/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
    --primary: #FF4D24;
    --primary-dark: #E84314;
    --secondary: #4E2A84;
    --secondary-dark: #3E2170;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --bg-dark: #1C1B29;
    --bg-dark-soft: #16151F;
    --border: #E5E7EB;
    --border-soft: #F0F0F0;
    --text-title: #111827;
    --text-body: #4B5563;
    --text-muted: #9CA3AF;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08);
    --shadow-primary: 0 8px 20px rgba(255, 77, 36, 0.25);
    --gradient-main: linear-gradient(135deg, #FF4D24, #4E2A84);
    --gradient-hover: linear-gradient(135deg, #E84314, #3E2170);
    --font-sans: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-body);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.25s ease;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input {
    font-family: inherit;
    outline: none;
}

ul, ol {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

section {
    padding: 96px 0;
}

/* ===== 顶部通告条 ===== */
.top-bar {
    height: 40px;
    background: #F3F4F6;
    font-size: 13px;
    color: var(--text-body);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
}
.top-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.top-bar-links a {
    color: var(--text-body);
    margin-left: 20px;
    font-size: 13px;
}
.top-bar-links a:hover {
    color: var(--primary);
}

/* ===== 导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(248, 249, 250, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-logo .logo-dot {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    box-shadow: var(--shadow-primary);
}
.nav-logo .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-title);
    letter-spacing: 0.5px;
}
.site-nav {
    display: flex;
    align-items: center;
    gap: 36px;
}
.nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-body);
    padding: 8px 2px;
    transition: color 0.25s;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.nav-link:hover {
    color: var(--primary);
}
.nav-link:hover::after {
    width: 100%;
}
.nav-link.active {
    color: var(--text-title);
    font-weight: 600;
}
.nav-link.active::after {
    width: 100%;
}

/* 移动端汉堡 */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 110;
}
.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-title);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 全屏抽屉 */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    z-index: 105;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.1);
}
.mobile-drawer.open {
    transform: translateX(0);
}
.mobile-drawer a {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-title);
    padding: 16px 0;
    transition: color 0.25s;
}
.mobile-drawer a:hover {
    color: var(--primary);
}
.mobile-drawer .drawer-cta {
    margin-top: 32px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 77, 36, 0.35);
}
.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
}
.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    transform: translateY(-2px);
}
.btn-white {
    background: #fff;
    color: var(--primary);
}
.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    background: var(--gradient-main);
    overflow: hidden;
    padding: 100px 0;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    top: -20%;
    right: -5%;
    width: 620px;
    height: 620px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}
.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 64px;
    align-items: center;
}
.hero-title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    max-width: 480px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.hero-badges {
    display: flex;
    align-items: center;
    gap: 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.hero-badge {
    padding: 0 28px;
    text-align: left;
}
.hero-badge:first-child {
    padding-left: 0;
}
.hero-badge + .hero-badge {
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}
.hero-badge .num {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    font-variant-numeric: tabular-nums;
}
.hero-badge .label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 2px;
}
.hero-image {
    position: relative;
}
.hero-image .img-wrap {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}
.hero-image .img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(28, 27, 41, 0.4), transparent 40%);
    border-radius: 20px;
}
.hero-image img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}
.hero-float-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 3;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(6px);
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}
.hero-float-badge .live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse-dot 1.5s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.75); }
}

/* ===== 品牌故事区 ===== */
.story-section {
    background: #fff;
    border-bottom: 1px solid var(--border);
}
.story-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 64px;
    align-items: center;
}
.story-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.story-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.story-content .section-tag {
    display: inline-block;
    background: rgba(255, 77, 36, 0.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
}
.story-content h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.3;
    margin-bottom: 20px;
}
.story-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: 16px;
}
.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    color: var(--primary);
    margin-top: 8px;
    transition: gap 0.25s ease;
}
.text-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

/* ===== 精选内容卡 ===== */
.featured-section {
    background: #F5F6F8;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
    gap: 24px;
}
.section-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.3;
    position: relative;
    padding-left: 16px;
}
.section-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: 2px;
    background: var(--primary);
}
.view-all {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-body);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    transition: all 0.3s ease;
}
.view-all:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.content-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}
.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.content-card:hover .card-img img {
    transform: scale(1.03);
}
.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.card-tag {
    align-self: flex-start;
    background: rgba(255, 77, 36, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}
.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.4;
    margin-bottom: 10px;
    transition: color 0.25s;
}
.card-title a:hover {
    color: var(--primary);
}
.card-text {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 18px;
    flex-grow: 1;
}
.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}
.card-meta .read-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-body);
    font-weight: 600;
    font-size: 13px;
    position: relative;
    transition: color 0.25s;
}
.card-meta .read-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.content-card:hover .card-meta .read-link {
    color: var(--primary);
}
.content-card:hover .card-meta .read-link::after {
    width: 100%;
}

/* ===== 最新资讯动态 ===== */
.news-section {
    background: #fff;
}
.news-head {
    text-align: center;
    margin-bottom: 48px;
}
.news-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 28px;
}
.tab-group {
    display: inline-flex;
    background: #F3F4F6;
    border-radius: 999px;
    padding: 4px;
    gap: 4px;
}
.tab-btn {
    padding: 9px 24px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-body);
    transition: all 0.3s ease;
}
.tab-btn.active {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-primary);
}
.tab-btn:hover:not(.active) {
    color: var(--text-title);
}
.news-list-wrap {
    max-width: 860px;
    margin: 0 auto;
}
.news-list {
    border-top: 1px solid var(--border);
}
.news-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease;
}
.news-item:hover {
    background: #FAFBFC;
}
.news-date {
    flex-shrink: 0;
    text-align: center;
    width: 72px;
    padding: 10px 0;
    border-radius: var(--radius-md);
    background: #F7F7F8;
}
.news-date .day {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-title);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}
.news-date .my {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.news-content {
    flex: 1;
    min-width: 0;
}
.news-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 6px;
    line-height: 1.4;
}
.news-content h3 a:hover {
    color: var(--primary);
}
.news-content .summary {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}
.news-content .meta-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.news-tag {
    display: inline-block;
    background: rgba(78, 42, 132, 0.08);
    color: var(--secondary);
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 4px;
}
.news-time {
    font-size: 12px;
    color: var(--text-muted);
}
.read-more-btn {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-body);
    transition: all 0.3s ease;
}
.read-more-btn svg {
    width: 18px;
    height: 18px;
}
.news-item:hover .read-more-btn {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateX(3px);
}

/* 空状态 */
.empty-state {
    border: 2px dashed #D1D5DB;
    border-radius: var(--radius-lg);
    padding: 64px 32px;
    text-align: center;
    background: #FAFBFC;
    margin-top: 32px;
}
.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
.empty-state p {
    font-size: 16px;
    color: var(--text-muted);
}

/* ===== 数据信任区 ===== */
.stats-section {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.stats-section .container {
    position: relative;
    z-index: 1;
}
.stats-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}
.stats-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.stats-head p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 36px 20px;
    transition: background 0.3s ease, transform 0.3s ease;
}
.stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}
.stat-card .num {
    font-size: 38px;
    font-weight: 800;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}
.stat-card .num-suffix {
    font-size: 20px;
    color: var(--primary);
    font-weight: 700;
}
.stat-card .label {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-top: 10px;
}
.stat-card .desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 6px;
    line-height: 1.5;
}

/* ===== FAQ ===== */
.faq-section {
    background: #F5F6F8;
}
.faq-head {
    text-align: center;
    margin-bottom: 48px;
}
.faq-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-title);
}
.faq-head p {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 8px;
}
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}
.faq-item:hover {
    box-shadow: var(--shadow-sm);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 28px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-title);
    cursor: pointer;
    transition: color 0.25s;
}
.faq-question:hover {
    color: var(--primary);
}
.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #F3F4F6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 400;
    color: var(--text-body);
    transition: all 0.35s ease;
}
.faq-item.active .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-answer-inner {
    padding: 0 28px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-body);
}

/* ===== CTA订阅 ===== */
.cta-section {
    background: #fff;
    padding: 96px 0;
}
.cta-card {
    background: var(--gradient-main);
    border-radius: 24px;
    padding: 72px 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-card::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 60%);
    border-radius: 50%;
}
.cta-card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -5%;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 60%);
    border-radius: 50%;
}
.cta-card .container-cta {
    position: relative;
    z-index: 2;
    max-width: 680px;
    margin: 0 auto;
}
.cta-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 20px;
}
.cta-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 12px;
}
.cta-card .cta-sub {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
}
.subscribe-form {
    display: flex;
    gap: 12px;
    max-width: 520px;
    margin: 0 auto 48px;
}
.subscribe-form .input-wrap {
    flex: 1;
    position: relative;
}
.subscribe-form .input-wrap svg {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: rgba(255, 255, 255, 0.6);
    pointer-events: none;
}
.subscribe-form input[type="email"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    padding: 14px 20px 14px 48px;
    font-size: 15px;
    color: #fff;
    transition: all 0.3s ease;
}
.subscribe-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.65);
}
.subscribe-form input[type="email"]:focus {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15);
    outline: none;
}
.subscribe-form input[type="email"].error {
    border-color: #FFD1C9;
}
.subscribe-form .btn-submit {
    background: #fff;
    color: var(--primary);
    border-radius: 999px;
    padding: 14px 32px;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.subscribe-form .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.cta-perks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 620px;
    margin: 0 auto;
}
.perk-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 14px;
    color: #fff;
}
.perk-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}
.subscribe-success {
    padding: 32px 0;
}
.subscribe-success .success-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    margin-bottom: 16px;
}
.subscribe-success .success-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}
.subscribe-success .success-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

/* ===== 页脚 ===== */
.site-footer {
    background: linear-gradient(180deg, #16151F, #1C1B29);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 20px;
}
.footer-top-line {
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin-bottom: 64px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
}
.footer-brand .logo-text {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    max-width: 280px;
}
.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}
.footer-col ul li {
    margin-bottom: 12px;
}
.footer-col ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.25s;
}
.footer-col ul a:hover {
    color: var(--primary);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
}
.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}
.footer-bottom .links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    margin-left: 20px;
}
.footer-bottom .links a:hover {
    color: var(--primary);
}
.icp-line {
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.25);
    padding-bottom: 20px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .hero-title {
        font-size: 36px;
    }
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    section {
        padding: 64px 0;
    }
    .site-nav {
        display: none;
    }
    .mobile-toggle {
        display: flex;
    }
    .hero {
        padding: 72px 0;
    }
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-badges {
        flex-wrap: wrap;
        gap: 12px;
    }
    .hero-badge {
        padding: 0 16px;
    }
    .hero-badge:first-child {
        padding-left: 0;
    }
    .story-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .featured-grid {
        grid-template-columns: 1fr;
    }
    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .news-item {
        gap: 12px;
        padding: 20px 0;
    }
    .news-content h3 {
        font-size: 16px;
    }
    .news-date {
        width: 58px;
    }
    .news-date .day {
        font-size: 22px;
    }
    .cta-card {
        padding: 48px 24px;
    }
    .subscribe-form {
        flex-direction: column;
    }
    .cta-perks {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 520px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-badges {
        flex-direction: column;
        align-items: flex-start;
    }
    .hero-badge + .hero-badge {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding-top: 12px;
        width: 100%;
    }
    .hero-badge {
        padding: 8px 0;
    }
    .news-item {
        flex-wrap: wrap;
    }
    .news-content {
        width: 100%;
        order: 1;
    }
    .read-more-btn {
        margin-left: auto;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .faq-question {
        padding: 18px 20px;
        font-size: 15px;
    }
    .faq-answer-inner {
        padding: 0 20px 20px;
    }
    .cta-card h2 {
        font-size: 24px;
    }
}

/* roulang page: category1 */
:root {
            --primary: #FF4D24;
            --primary-dark: #E84314;
            --secondary: #4E2A84;
            --secondary-dark: #3E2170;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --border: #E5E7EB;
            --text-dark: #111827;
            --text-body: #4B5563;
            --text-light: #9CA3AF;
            --dark-bg: #1C1B29;
            --rad-lg: 20px;
            --rad-md: 12px;
            --rad-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08);
            --gradient-main: linear-gradient(135deg, #FF4D24, #4E2A84);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(248, 249, 250, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }

        .logo-dot {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--gradient-main);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 900;
            box-shadow: 0 4px 12px rgba(255, 77, 36, 0.3);
        }

        .site-nav {
            display: flex;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            transition: color 0.25s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--text-dark);
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: scaleX(1);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: var(--bg-white);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 99;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 24px;
            padding: 24px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .mobile-menu a.active {
            color: var(--primary);
        }

        .mobile-close {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 28px;
            background: none;
            cursor: pointer;
            color: var(--text-dark);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 88px 0 72px;
            background: linear-gradient(135deg, rgba(255, 77, 36, 0.08), rgba(78, 42, 132, 0.12)), var(--bg-light);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 77, 36, 0.10), transparent 70%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(78, 42, 132, 0.10), transparent 70%);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

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

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

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

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-dark);
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
            max-width: 860px;
        }

        .page-hero h1 span {
            color: var(--primary);
        }

        .page-hero .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 680px;
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }

        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 77, 36, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 77, 36, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-dark);
            border: 1.5px solid rgba(0, 0, 0, 0.15);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 77, 36, 0.04);
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            font-variant-numeric: tabular-nums;
        }

        .hero-stat .label {
            font-size: 13px;
            color: var(--text-light);
        }

        /* ========== Section ========== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== Intro section ========== */
        .split-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-text h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 20px;
        }

        .intro-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .intro-text .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 77, 36, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
        }

        .intro-image {
            border-radius: var(--rad-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .intro-image .img-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(6px);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* ========== Cards section ========== */
        .cards-section {
            background: var(--bg-white);
            padding: 96px 0;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--rad-lg);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card:hover .card-img img {
            transform: scale(1.03);
        }

        .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: rgba(255, 77, 36, 0.92);
            color: #fff;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .card-footer .date {
            font-size: 12px;
            color: var(--text-light);
        }

        .card-footer .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 1414px;
            color: var(--primary);
            font-weight: 500;
            transition: gap 0.3s ease;
            background: none;
        }

        .arrow-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
        }

        .card-footer .arrow-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-body);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .card:hover .arrow-btn {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ========== Table section ========== */
        .table-section {
            padding: 96px 0;
            background: var(--bg-light);
        }

        .table-wrap {
            background: var(--bg-white);
            border-radius: var(--rad-lg);
            border: 1px solid var(--border);
            overflow-x: auto;
            box-shadow: var(--shadow-sm);
        }

        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }

        .table-wrap th,
        .table-wrap td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .table-wrap th {
            background: rgba(248, 249, 250, 0.8);
            font-weight: 700;
            color: var(--text-dark);
            white-space: nowrap;
        }

        .table-wrap tr:last-child td {
            border-bottom: none;
        }

        .table-wrap td {
            color: var(--text-body);
        }

        .table-wrap .table-icon {
            color: var(--primary);
            margin-right: 6px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--rad-md);
            background: var(--bg-white);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item.open {
            border-color: rgba(255, 77, 36, 0.4);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-q .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 77, 36, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .faq-item.open .faq-q .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-a-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 96px 0;
            background: var(--bg-light);
        }

        .cta-card {
            background: var(--gradient-main);
            border-radius: var(--rad-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -30px;
            width: 200px;
            height: 200px;
            background: rgba(0, 0, 0, 0.06);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            min-width: 240px;
            padding: 14px 20px;
            border-radius: 999px;
            border: none;
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 14px;
            backdrop-filter: blur(4px);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }

        .cta-form input:focus {
            background: rgba(255, 255, 255, 0.3);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
        }

        .cta-form .btn-white {
            padding: 14px 32px;
            border-radius: 999px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
        }

        .cta-form .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .cta-form .success-msg {
            display: none;
            color: #fff;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.15);
            padding: 10px 20px;
            border-radius: 999px;
            margin-top: 8px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: linear-gradient(to top, #16151F, #1C1B29);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
            position: relative;
        }

        .footer-top-line {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gradient-main);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
        }

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

        .icp-line {
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.3);
            padding-bottom: 24px;
            margin: 0;
            display: block;
            width: 100%;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .split-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .site-nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .section {
                padding: 64px 0;
            }

            .cards-section {
                padding: 64px 0;
            }

            .table-section {
                padding: 64px 0;
            }

            .faq-section {
                padding: 64px 0;
            }

            .cta-section {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .cta-card {
                padding: 40px 24px;
            }

            .cta-form {
                flex-direction: column;
                align-items: center;
            }

            .cta-form input {
                width: 100%;
                min-width: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }

            .hero-btns {
                flex-direction: column;
                width: 100%;
            }

            .hero-btns .btn {
                width: 100%;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat .num {
                font-size: 26px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Table responsive */
        @media (max-width: 768px) {
            .table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .table-wrap table {
                min-width: 640px;
            }
        }

/* roulang page: article */
:root {
            --primary: #FF4D24;
            --primary-dark: #E84314;
            --primary-light: #FFF0EB;
            --secondary: #4E2A84;
            --secondary-dark: #3E2170;
            --secondary-light: #F0EBFA;
            --bg-body: #F8F9FA;
            --bg-white: #FFFFFF;
            --bg-dark: #1C1B29;
            --border-light: #E5E7EB;
            --text-dark: #111827;
            --text-body: #4B5563;
            --text-muted: #9CA3AF;
            --gradient-main: linear-gradient(135deg, #FF4D24 0%, #4E2A84 100%);
            --gradient-hover: linear-gradient(135deg, #E84314 0%, #3E2170 100%);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 6px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 28px rgba(0,0,0,0.08);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ======= Header & Nav ======= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 249, 250, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--gradient-main);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(255, 77, 36, 0.3);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, #FF4D24, #4E2A84);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 8px 2px;
            transition: color 0.3s;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--text-dark);
            font-weight: 600;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            cursor: pointer;
            background: none;
            z-index: 1001;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: #ffffff;
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.35s, visibility 0.35s;
        }

        .mobile-menu.open {
            display: flex;
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu .nav-link {
            font-size: 26px;
            font-weight: 600;
            color: var(--text-dark);
            padding: 8px 16px;
        }

        /* ======= 文章 Banner ======= */
        .article-hero {
            position: relative;
            padding: 72px 0 72px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(17, 24, 39, 0.92) 0%, rgba(78, 42, 132, 0.78) 100%);
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.3s;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.55);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.35;
            color: #fff;
            max-width: 820px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            font-size: 13px;
            opacity: 0.7;
        }

        /* ======= 正文区 ======= */
        .article-body-section {
            padding: 56px 0 88px;
            background: var(--bg-body);
        }

        .article-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 360px;
            gap: 40px;
            align-items: start;
        }

        .article-main {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            min-width: 0;
            word-break: break-word;
        }

        /* CMS 内容样式 */
        .article-main h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 32px 0 16px;
            line-height: 1.4;
            padding-left: 16px;
            position: relative;
        }

        .article-main h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 20px;
            background: var(--primary);
            border-radius: 2px;
        }

        .article-main h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 28px 0 12px;
            line-height: 1.5;
        }

        .article-main h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 20px 0 10px;
        }

        .article-main p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 1.5em;
        }

        .article-main strong {
            font-weight: 600;
            color: var(--text-dark);
        }

        .article-main em {
            font-style: italic;
        }

        .article-main a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-main a:hover {
            color: var(--primary-dark);
        }

        .article-main ul {
            margin: 0 0 1.5em;
            padding: 0;
        }

        .article-main ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 8px;
            line-height: 1.8;
            font-size: 16px;
        }

        .article-main ul li::before {
            content: '';
            position: absolute;
            left: 2px;
            top: 15px;
            width: 7px;
            height: 7px;
            background: var(--primary);
            border-radius: 50%;
        }

        .article-main ol {
            margin: 0 0 1.5em;
            padding-left: 22px;
        }

        .article-main ol li {
            margin-bottom: 8px;
            line-height: 1.8;
            font-size: 16px;
            list-style: decimal;
        }

        .article-main blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 18px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.7;
        }

        .article-main blockquote p {
            margin-bottom: 0;
        }

        .article-main img {
            border-radius: var(--radius-md);
            margin: 28px auto;
            box-shadow: var(--shadow-sm);
        }

        .article-main pre {
            background: var(--bg-dark);
            color: #e5e7eb;
            padding: 22px 26px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 28px 0;
            font-size: 14px;
            line-height: 1.7;
            font-family: "SF Mono", "Fira Code", "Consolas", monospace;
            white-space: pre-wrap;
            word-break: break-word;
        }

        .article-main code {
            background: #f3f4f6;
            padding: 3px 7px;
            border-radius: 5px;
            font-size: 14px;
            color: var(--primary-dark);
            font-family: "SF Mono", "Fira Code", "Consolas", monospace;
        }

        .article-main pre code {
            background: transparent;
            padding: 0;
            color: inherit;
            border-radius: 0;
            font-size: 14px;
        }

        .article-main table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
            font-size: 14px;
            overflow-x: auto;
            display: block;
        }

        .article-main table th,
        .article-main table td {
            border: 1px solid var(--border-light);
            padding: 10px 14px;
            text-align: left;
        }

        .article-main table th {
            background: var(--bg-body);
            font-weight: 600;
            color: var(--text-dark);
        }

        .article-main hr {
            border: none;
            border-top: 1px solid var(--border-light);
            margin: 32px 0;
        }

        /* 内容未找到 */
        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found h2 {
            font-size: 26px;
            color: var(--text-dark);
            margin-bottom: 12px;
            padding-left: 0;
        }

        .not-found h2::before {
            display: none;
        }

        .not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .btn-back {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 4px 14px rgba(255, 77, 36, 0.25);
        }

        .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 77, 36, 0.3);
            color: #fff;
        }

        /* ======= 侧边栏 ======= */
        .article-sidebar {
            min-width: 0;
        }

        .sidebar-widget {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .sidebar-widget h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 20px;
            position: relative;
            padding-left: 14px;
            line-height: 1.4;
        }

        .sidebar-widget h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            width: 4px;
            height: 16px;
            background: var(--primary);
            border-radius: 2px;
        }

        .toc-list {
            padding: 0;
            margin: 0;
        }

        .toc-list li {
            margin-bottom: 4px;
        }

        .toc-list a {
            font-size: 14px;
            line-height: 1.5;
            color: var(--text-body);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            display: block;
            transition: all 0.25s;
            border-left: 2px solid transparent;
        }

        .toc-list a:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-left-color: var(--primary);
        }

        .toc-list a.active {
            color: var(--primary);
            background: var(--primary-light);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .hot-list {
            padding: 0;
            margin: 0;
        }

        .hot-item {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid #f3f4f6;
        }

        .hot-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-thumb {
            width: 84px;
            height: 62px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }

        .hot-item a {
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.25s;
        }

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

        .hot-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 5px;
        }

        .sidebar-cta {
            background: var(--gradient-main);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .sidebar-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .sidebar-cta .cta-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .sidebar-cta .cta-desc {
            font-size: 13px;
            opacity: 0.85;
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-full);
            padding: 10px 28px;
            font-weight: 600;
            font-size: 14px;
            display: inline-block;
            transition: all 0.3s;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
            color: var(--primary-dark);
        }

        /* ======= 相关推荐 ======= */
        .related-section {
            padding: 64px 0 80px;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
        }

        .section-title-wrap {
            display: flex;
            align-items: center;
            margin-bottom: 36px;
        }

        .section-title-wrap h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            position: relative;
            padding-left: 16px;
            line-height: 1.3;
        }

        .section-title-wrap h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            width: 4px;
            height: 22px;
            background: var(--primary);
            border-radius: 2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid #f0f0f0;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .card-img-wrap {
            overflow: hidden;
            display: block;
        }

        .related-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .card-img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 22px 22px 18px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            font-size: 12px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 12px;
            border-radius: var(--radius-full);
            display: inline-block;
            margin-bottom: 12px;
            align-self: flex-start;
            font-weight: 500;
        }

        .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.5;
            flex-grow: 1;
        }

        .card-title a {
            transition: color 0.25s;
        }

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

        .card-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .back-to-list {
            margin-top: 36px;
            text-align: center;
        }

        .back-to-list a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            transition: all 0.3s;
        }

        .back-to-list a:hover {
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* ======= CTA ======= */
        .cta-section {
            padding: 64px 0 88px;
            background: var(--bg-body);
        }

        .cta-card {
            background: var(--gradient-main);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(78, 42, 132, 0.2);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 160px;
            height: 160px;
            background: rgba(255, 77, 36, 0.2);
            border-radius: 50%;
        }

        .cta-card .cta-badge {
            position: relative;
            z-index: 1;
            display: inline-block;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 5px 18px;
            border-radius: var(--radius-full);
            font-size: 13px;
            margin-bottom: 22px;
            backdrop-filter: blur(4px);
        }

        .cta-card h2 {
            position: relative;
            z-index: 1;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-card p {
            position: relative;
            z-index: 1;
            font-size: 16px;
            opacity: 0.92;
            margin-bottom: 30px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-form {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            max-width: 460px;
            margin: 0 auto;
        }

        .cta-form .input-wrap {
            position: relative;
            flex: 1;
        }

        .cta-form .input-wrap i {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        .cta-form input {
            width: 100%;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-full);
            padding: 14px 20px 14px 44px;
            color: #fff;
            font-size: 14px;
            transition: all 0.3s;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.65);
        }

        .cta-form input:focus {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.5);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
        }

        .cta-form button {
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-full);
            padding: 14px 30px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.3s;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .cta-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .cta-form button.success {
            background: #10b981;
            color: #fff;
        }

        /* ======= 页脚 ======= */
        .site-footer {
            background: linear-gradient(180deg, #16151F, #1C1B29);
            color: #9CA3AF;
            position: relative;
        }

        .footer-top-line {
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .site-footer .container {
            padding-top: 56px;
            padding-bottom: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
        }

        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            background: linear-gradient(135deg, #FF4D24, #b388ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #9CA3AF;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 500;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            padding: 0;
            margin: 0;
        }

        .footer-col li {
            margin-bottom: 12px;
        }

        .footer-col a {
            font-size: 14px;
            color: #9CA3AF;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0;
            padding-bottom: 0;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #6B7280;
            margin: 0;
        }

        .footer-bottom .links {
            display: flex;
            gap: 28px;
        }

        .footer-bottom .links a {
            font-size: 13px;
            color: #6B7280;
            transition: color 0.3s;
        }

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

        .icp-line {
            text-align: center;
            font-size: 12px;
            color: #4B5563;
            padding-bottom: 20px;
            margin: 0;
        }

        /* ======= 响应式 ======= */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .sidebar-widget:first-child {
                grid-column: 1 / -1;
            }

            .sidebar-cta {
                grid-column: 1 / -1;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .site-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .article-hero {
                padding: 48px 0;
            }

            .article-hero h1 {
                font-size: 30px;
            }

            .article-main {
                padding: 28px 22px;
                border-radius: var(--radius-md);
            }

            .article-main h2 {
                font-size: 21px;
            }

            .article-main h3 {
                font-size: 18px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-card {
                padding: 44px 22px;
                border-radius: var(--radius-md);
            }

            .cta-card h2 {
                font-size: 26px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form button {
                padding: 14px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-bottom .container {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }

            .article-sidebar {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .article-hero h1 {
                font-size: 26px;
            }

            .breadcrumb {
                font-size: 13px;
                gap: 6px;
            }

            .article-main {
                padding: 22px 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom .links {
                flex-wrap: wrap;
                justify-content: center;
            }

            .cta-card {
                padding: 36px 20px;
            }

            .cta-card h2 {
                font-size: 22px;
            }

            .cta-card p {
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF4D24;
            --primary-dark: #E84314;
            --secondary: #4E2A84;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --border: #E5E7EB;
            --dark-bg: #1C1B29;
            --text-title: #111827;
            --text-body: #4B5563;
            --text-mute: #9CA3AF;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08);
            --gradient-main: linear-gradient(135deg, #FF4D24, #4E2A84);
            --container: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--text-body);
            background-color: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 249, 250, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .brand {
            font-size: 21px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -0.5px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand span {
            color: var(--primary);
            font-weight: 700;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 10px;
            cursor: pointer;
            border-radius: 8px;
            transition: background 0.2s;
        }

        .menu-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text-title);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

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

        .nav-link {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            position: relative;
            transition: color 0.3s;
            display: inline-block;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--text-title);
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, #FFF1ED 0%, #F8F9FA 55%, #F0EBF8 100%);
            padding: 72px 0 88px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 77, 36, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: 10%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(78, 42, 132, 0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb a {
            color: var(--text-mute);
            transition: color 0.2s;
        }

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

        .breadcrumb .sep {
            color: #c0c4cc;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.2;
            margin: 0 0 16px;
            letter-spacing: -1px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            border: 1px solid rgba(0, 0, 0, 0.06);
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(8px);
            padding: 20px 28px;
            width: fit-content;
            box-shadow: var(--shadow-sm);
        }

        .hero-stats .stat-item {
            padding-right: 28px;
            margin-right: 28px;
            border-right: 1px solid var(--border);
        }

        .hero-stats .stat-item:last-child {
            padding-right: 0;
            margin-right: 0;
            border-right: none;
        }

        .hero-stats .stat-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .hero-stats .stat-label {
            font-size: 13px;
            color: var(--text-mute);
            margin-top: 4px;
            display: block;
        }

        /* ===== Intro Section ===== */
        .intro-section {
            padding: 88px 0;
            background: var(--bg-white);
            border-bottom: 1px solid #f0f0f0;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.35;
            margin: 0 0 20px;
            letter-spacing: -0.4px;
        }

        .intro-content h2::before {
            content: "";
            display: inline-block;
            width: 4px;
            height: 22px;
            background: var(--primary);
            border-radius: 2px;
            margin-right: 10px;
            vertical-align: -3px;
        }

        .intro-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 20px;
        }

        .feature-list {
            margin-top: 28px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            border: 1px solid #f0f0f0;
        }

        .feature-item .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            margin-top: 6px;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .intro-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .intro-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(28, 27, 41, 0.35));
            pointer-events: none;
        }

        .intro-media .media-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            color: var(--text-title);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
        }

        /* ===== News Grid ===== */
        .news-section {
            padding: 88px 0;
            background: var(--bg-light);
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 10px;
            letter-spacing: -0.4px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-mute);
            margin: 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid #f0f0f0;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .card-media img {
            transform: scale(1.03);
        }

        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(255, 77, 36, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.2px;
        }

        .card-body {
            padding: 20px 22px 18px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.45;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .news-card:hover .card-title {
            color: var(--primary);
        }

        .card-excerpt {
            font-size: 14px;
            color: var(--text-mute);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid #f5f5f5;
        }

        .card-date {
            font-size: 12px;
            color: var(--text-mute);
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-title);
            transition: color 0.2s;
        }

        .read-more .arrow-circle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: background 0.3s, color 0.3s, border-color 0.3s;
        }

        .read-more:hover {
            color: var(--primary);
        }

        .read-more:hover .arrow-circle {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ===== Tags Section ===== */
        .tags-section {
            padding: 88px 0;
            background: var(--bg-white);
        }

        .tags-container {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            border: 1px solid #f0f0f0;
        }

        .tags-title {
            text-align: center;
            font-size: 26px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .tags-subtitle {
            text-align: center;
            color: var(--text-mute);
            font-size: 14px;
            margin-bottom: 32px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .tag-item {
            display: inline-block;
            padding: 8px 18px;
            background: #fff;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-body);
            border: 1px solid var(--border);
            transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.2s;
        }

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

        /* ===== FAQ ===== */
        .faq-section {
            padding: 88px 0;
            background: var(--bg-light);
        }

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

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid #f0f0f0;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.3s;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            gap: 16px;
            user-select: none;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            transition: transform 0.3s, background 0.3s;
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            border-top: 0 solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
            border-top-width: 1px;
            border-top-color: #f5f5f5;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 88px 0;
            background: var(--bg-white);
        }

        .cta-card {
            background: var(--gradient-main);
            border-radius: 24px;
            padding: 64px 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -40px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-card .cta-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .cta-card h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 14px;
            position: relative;
            z-index: 2;
            letter-spacing: -0.3px;
        }

        .cta-card .cta-desc {
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
            margin-bottom: 30px;
            position: relative;
            z-index: 2;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 460px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 2;
        }

        .cta-form input {
            flex: 1;
            padding: 12px 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.92);
            font-size: 14px;
            color: var(--text-title);
            transition: box-shadow 0.2s, border-color 0.2s;
            min-width: 0;
        }

        .cta-form input::placeholder {
            color: var(--text-mute);
        }

        .cta-form input:focus {
            border-color: #fff;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25);
        }

        .cta-form button {
            padding: 12px 28px;
            border-radius: 999px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
        }

        .cta-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
        }

        .cta-perks {
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .cta-perk {
            color: rgba(255, 255, 255, 0.92);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-perk .check-icon {
            color: #fff;
            font-weight: 700;
        }

        .cta-success {
            display: none;
            padding: 14px 20px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 12px;
            color: #fff;
            font-size: 15px;
            margin-top: 0;
        }

        .cta-success.show {
            display: block;
            max-width: 460px;
            margin: 0 auto 30px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: linear-gradient(180deg, #16151F, #1C1B29);
            color: #9CA3AF;
            position: relative;
        }

        .footer-top-line {
            height: 2px;
            background: linear-gradient(90deg, #FF4D24, #4E2A84);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 56px 0 44px;
        }

        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            max-width: 280px;
            color: #9CA3AF;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #9CA3AF;
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: #9CA3AF;
        }

        .footer-bottom .links a {
            font-size: 13px;
            color: #9CA3AF;
            margin-left: 20px;
            transition: color 0.2s;
        }

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

        .icp-line {
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.3);
            padding: 10px 0 18px;
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .cta-card {
                padding: 48px 32px;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            .site-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 28px;
                transform: translateX(100%);
                transition: transform 0.35s ease;
                z-index: 999;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.08);
            }

            body.menu-open {
                overflow: hidden;
            }

            body.menu-open .site-nav {
                transform: translateX(0);
            }

            .nav-link {
                font-size: 22px;
                font-weight: 600;
                padding: 12px 20px;
            }

            .nav-link::after {
                left: 20px;
                right: 20px;
                bottom: 6px;
            }

            .menu-toggle {
                position: relative;
                z-index: 1001;
            }

            body.menu-open .menu-toggle span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }

            body.menu-open .menu-toggle span:nth-child(2) {
                opacity: 0;
            }

            body.menu-open .menu-toggle span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }

            .category-hero {
                padding: 48px 0 60px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .hero-stats {
                padding: 16px 20px;
                gap: 16px;
                flex-wrap: wrap;
            }

            .hero-stats .stat-item {
                padding-right: 16px;
                margin-right: 16px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .feature-list {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .intro-section,
            .news-section,
            .tags-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }

            .tags-container {
                padding: 32px 20px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form button {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 0 32px;
            }

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom .links a {
                margin: 0 10px;
            }

            .cta-card h2 {
                font-size: 24px;
            }

            .cta-card .cta-desc {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                height: 60px;
            }

            .brand {
                font-size: 18px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .hero-stats .stat-num {
                font-size: 22px;
            }

            .hero-stats .stat-item {
                padding-right: 12px;
                margin-right: 12px;
            }

            .hero-stats .stat-label {
                font-size: 12px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .tags-title {
                font-size: 22px;
            }

            .tag-cloud {
                gap: 8px;
            }

            .tag-item {
                font-size: 13px;
                padding: 6px 14px;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }

            .faq-answer {
                font-size: 13px;
            }

            .cta-card {
                padding: 40px 20px;
                border-radius: 18px;
            }

            .cta-perks {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --c-primary: #FF4D24;
            --c-primary-dark: #E84314;
            --c-secondary: #4E2A84;
            --c-surface: #F8F9FA;
            --c-white: #FFFFFF;
            --c-border: #E5E7EB;
            --c-text: #111827;
            --c-text-body: #4B5563;
            --c-text-muted: #9CA3AF;
            --c-dark: #1C1B29;
            --r-lg: 20px;
            --r-md: 12px;
            --r-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08);
            --grad-main: linear-gradient(135deg, #FF4D24 0%, #4E2A84 100%);
            --grad-hover: linear-gradient(135deg, #E84314 0%, #3E2170 100%);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background: var(--c-surface);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(248, 249, 250, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--c-text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-text em {
            font-style: normal;
            color: var(--c-primary);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-body);
            border-radius: 6px;
            transition: color 0.25s ease;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--c-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }
        .nav-link:hover {
            color: var(--c-primary);
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--c-text);
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: 8px;
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--c-text);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(160deg, #FDF3EE 0%, #F8F9FA 45%, #F1EDF7 100%);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            overflow: hidden;
            padding: 88px 0 72px;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            text-align: center;
            max-width: 840px;
        }
        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--c-text-muted);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 28px;
        }
        .breadcrumb a:hover {
            color: var(--c-primary);
        }
        .breadcrumb .current {
            color: var(--c-text);
            font-weight: 500;
        }
        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--c-text);
        }
        .hero-sub {
            font-size: 18px;
            line-height: 1.7;
            color: var(--c-text-body);
            max-width: 640px;
            margin: 0 auto 32px;
        }
        .hero-stats {
            display: inline-flex;
            align-items: center;
            gap: 24px;
            background: rgba(255, 255, 255, 0.75);
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: 16px;
            padding: 16px 32px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .stat-item {
            text-align: center;
        }
        .stat-item strong {
            display: block;
            font-size: 26px;
            font-weight: 800;
            color: var(--c-primary);
            font-variant-numeric: tabular-nums;
        }
        .stat-item span {
            font-size: 13px;
            color: var(--c-text-muted);
        }
        .stat-divider {
            width: 1px;
            height: 36px;
            background: var(--c-border);
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 77, 36, 0.25);
        }
        .btn-primary:hover {
            background: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 77, 36, 0.3);
        }
        .btn-outline {
            border: 1.5px solid rgba(0, 0, 0, 0.15);
            color: var(--c-text);
            background: rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--c-primary);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        .btn-light:hover {
            background: #fff6f3;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
        }

        /* ===== 板块 ===== */
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: var(--c-white);
        }
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-head.left {
            text-align: left;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            position: relative;
            display: inline-block;
        }
        .section-head.left h2 {
            padding-left: 18px;
        }
        .section-head.left h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 24px;
            border-radius: 3px;
            background: var(--c-primary);
        }
        .section-head p {
            font-size: 16px;
            color: var(--c-text-muted);
            margin-top: 10px;
            max-width: 640px;
        }
        .section-head.left p {
            margin-left: 18px;
        }

        /* ===== 介绍区 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .intro-copy p {
            color: var(--c-text-body);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .intro-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary);
            font-weight: 600;
            font-size: 15px;
            margin-top: 8px;
        }
        .intro-link:hover {
            color: var(--c-primary-dark);
            gap: 10px;
        }
        .intro-media {
            position: relative;
            border-radius: var(--r-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--r-lg);
        }
        .intro-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--r-lg);
            background: linear-gradient(180deg, transparent 60%, rgba(78, 42, 132, 0.25) 100%);
            pointer-events: none;
        }

        /* ===== 卡片 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card {
            background: var(--c-white);
            border: 1px solid #F0F0F0;
            border-radius: var(--r-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #eef0f2;
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-media img {
            transform: scale(1.03);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 77, 36, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }
        .card-body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            color: var(--c-text);
        }
        .card-body p {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary);
            font-size: 14px;
            font-weight: 600;
            margin-top: 16px;
            transition: gap 0.25s ease;
        }
        .card-more:hover {
            gap: 10px;
            color: var(--c-primary-dark);
        }

        /* ===== 热榜 ===== */
        .hot-section {
            background: var(--c-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hot-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        .hot-section .section-head h2 {
            color: #fff;
        }
        .hot-section .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }
        .hot-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            margin-bottom: 14px;
            transition: background 0.25s ease, transform 0.25s ease;
        }
        .hot-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(4px);
        }
        .hot-rank {
            font-size: 30px;
            font-weight: 800;
            color: var(--c-primary);
            width: 56px;
            text-align: center;
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
        }
        .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-meta {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .hot-heat {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-variant-numeric: tabular-nums;
            background: rgba(255, 255, 255, 0.08);
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ===== 步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 40px 28px;
            background: var(--c-white);
            border: 1px solid #F0F0F0;
            border-radius: var(--r-lg);
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: var(--grad-main);
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(255, 77, 36, 0.25);
        }
        .step-item h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            background: var(--c-white);
            border: 1px solid #F0F0F0;
            border-radius: var(--r-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-item {
            border-bottom: 1px solid var(--c-border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text);
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .faq-q:hover {
            background: #F9FAFB;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1.5px solid var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
            position: relative;
        }
        .faq-icon::before {
            content: "";
            width: 10px;
            height: 1.5px;
            background: var(--c-primary);
            border-radius: 2px;
        }
        .faq-icon::after {
            content: "";
            position: absolute;
            width: 1.5px;
            height: 10px;
            background: var(--c-primary);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-icon {
            background: var(--c-primary);
        }
        .faq-item.active .faq-icon::before {
            background: #fff;
        }
        .faq-item.active .faq-icon::after {
            background: #fff;
            transform: rotate(90deg);
            opacity: 0;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-a p {
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--c-text-body);
            line-height: 1.8;
        }
        .faq-item.active .faq-a {
            max-height: 320px;
        }

        /* ===== CTA ===== */
        .cta-wrap {
            background: var(--grad-main);
            border-radius: var(--r-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(78, 42, 132, 0.2);
        }
        .cta-wrap::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-wrap::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.1);
        }
        .cta-wrap>* {
            position: relative;
            z-index: 1;
        }
        .cta-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }
        .cta-wrap h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-wrap p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 580px;
            margin: 0 auto 30px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: linear-gradient(180deg, #16151F 0%, #1C1B29 100%);
            color: rgba(255, 255, 255, 0.7);
            position: relative;
        }
        .footer-top-line {
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-secondary) 100%);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 48px;
            padding: 64px 0 48px;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s ease;
        }
        .footer-col ul a:hover {
            color: var(--c-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }
        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .links a:hover {
            color: var(--c-primary);
        }
        .icp-line {
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.3);
            padding: 0 0 20px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 80px 0;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .hero {
                padding: 64px 0 56px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 16px;
                padding: 16px 20px;
            }
            .stat-divider {
                display: none;
            }
            .stat-item strong {
                font-size: 22px;
            }

            .nav-toggle {
                display: flex;
            }
            .site-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 24px 24px 32px;
                gap: 4px;
                border-bottom: 1px solid rgba(0, 0, 0, 0.08);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 49;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }
            .site-nav.open {
                transform: translateY(0);
            }
            .nav-link {
                padding: 14px 16px;
                font-size: 18px;
                border-radius: 12px;
            }
            .nav-link::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(255, 77, 36, 0.1);
                color: var(--c-primary);
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hot-item {
                padding: 16px;
                flex-wrap: wrap;
            }
            .hot-rank {
                width: 40px;
                font-size: 24px;
            }
            .hot-heat {
                margin-left: auto;
            }
            .cta-wrap {
                padding: 48px 24px;
            }
            .cta-wrap h2 {
                font-size: 25px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                padding: 48px 0 32px;
            }
            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 29px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-stats {
                width: 100%;
                justify-content: space-around;
                gap: 8px;
                padding: 14px 12px;
            }
            .stat-item strong {
                font-size: 20px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 280px;
            }
            .card-body {
                padding: 20px 18px 16px;
            }
            .hot-title {
                font-size: 14px;
            }
            .footer-bottom .links {
                gap: 12px;
            }
        }