/* roulang page: index */
:root {
    --primary: #0F6E5E;
    --primary-dark: #0A4F44;
    --primary-light: #E5F2EE;
    --accent: #F2A93B;
    --highlight: #E85D3E;
    --bg: #F7F5F0;
    --card: #FFFFFF;
    --dark: #17241E;
    --text: #252B26;
    --text-2: #6E776F;
    --border: #E6E1D8;
    --radius-lg: 28px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --shadow: 0 12px 32px rgba(15,110,94,0.10);
    --shadow-hover: 0 20px 40px rgba(15,110,94,0.16);
    --gradient-brand: linear-gradient(135deg, #0F6E5E 0%, #1B8A70 45%, #F2A93B 100%);
    --font-mono: "SF Mono", "Roboto Mono", "Liberation Mono", "Courier New", monospace;
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }

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

.section {
    padding: 90px 0;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 44px;
    gap: 24px;
}

.section-title-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.section-line {
    width: 56px;
    height: 6px;
    background: var(--gradient-brand);
    border-radius: 999px;
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text);
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-2);
    max-width: 600px;
}

.section-more {
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 999px;
    padding: 14px 32px;
    transition: transform 0.25s, box-shadow 0.25s, background 0.25s, opacity 0.25s;
    border: none;
    line-height: 1.4;
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.btn-primary:active {
    transform: translateY(2px) scale(0.98);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary-light);
}

.btn-outline:active {
    transform: translateY(2px);
}

.btn-accent {
    background: var(--accent);
    color: var(--dark);
    box-shadow: 0 8px 24px rgba(242,169,59,0.35);
}

.btn-accent:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 14px 32px rgba(242,169,59,0.45);
}

.btn-accent:active {
    transform: translateY(2px) scale(0.98);
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: 76px;
    background: rgba(247,245,240,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.header.scrolled {
    background: rgba(247,245,240,0.96);
    border-bottom-color: var(--border);
    box-shadow: 0 6px 24px rgba(15,110,94,0.06);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-mark {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-brand);
    border-radius: 12px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-dark);
    white-space: nowrap;
    letter-spacing: -0.3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    display: inline-block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-2);
    border-radius: 999px;
    position: relative;
    transition: color 0.25s, background 0.25s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 18px;
    right: 18px;
    height: 3px;
    border-radius: 999px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.3s;
}

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

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

.nav-link.active {
    color: var(--primary-dark);
    background: var(--primary-light);
}

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

.nav-cta-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.nav-cta {
    padding: 10px 24px;
    font-size: 14px;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--primary-light);
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-direction: column;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--primary-dark);
    border-radius: 999px;
    transition: transform 0.3s, opacity 0.3s;
}

.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);
}

/* 倒计时条 */
.countdown-bar {
    background: var(--dark);
    border-radius: 20px;
    margin-top: 96px;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}

.countdown-bar::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(242,169,59,0.25), transparent 65%);
    pointer-events: none;
}

.countdown-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.9);
    font-size: 15px;
    font-weight: 600;
    flex-shrink: 0;
}

.countdown-label .pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.countdown-items {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    align-items: baseline;
    gap: 4px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    padding: 8px 16px;
}

.countdown-num {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    min-width: 44px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.countdown-unit {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
}

/* Hero */
.hero {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    margin-top: 76px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(23,36,30,0.72) 0%, rgba(23,36,30,0.45) 55%, rgba(10,79,68,0.35) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    width: 100%;
}

.hero-copy {
    max-width: 580px;
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.25;
    color: #fff;
    letter-spacing: -0.5px;
    margin-bottom: 18px;
}

.hero-title .accent-text {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.hero-badge {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 20px;
    padding: 18px 22px;
    backdrop-filter: blur(8px);
    transition: background 0.3s, transform 0.3s;
}

.hero-badge:hover {
    background: rgba(255,255,255,0.16);
    transform: translateY(-3px);
}

.badge-num {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.badge-label {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-top: 2px;
}

/* Bento 卖点区 */
.bento-section {
    padding: 90px 0 70px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
}

.bento-card {
    border-radius: var(--radius-lg);
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.bento-large {
    grid-column: span 7;
    grid-row: span 2;
    min-height: 360px;
    padding: 36px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    border: none;
}

.bento-large::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(23,36,30,0.85) 100%);
}

.bento-large > * {
    position: relative;
    z-index: 1;
}

.bento-large .bento-tag {
    position: absolute;
    top: 28px;
    left: 28px;
    background: rgba(255,255,255,0.16);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    backdrop-filter: blur(6px);
}

.bento-large .bento-card-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
    line-height: 1.3;
}

.bento-large .bento-card-text {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    max-width: 420px;
    margin-bottom: 16px;
}

.bento-large .bento-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--dark);
    font-size: 14px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 999px;
    width: fit-content;
}

.bento-small {
    grid-column: span 5;
    padding: 28px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    min-height: 165px;
}

.bento-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
}

.bento-small .bento-card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.bento-small .bento-card-text {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.6;
}

.data-bar {
    grid-column: 1 / -1;
    background: var(--dark);
    border-radius: var(--radius-lg);
    padding: 28px 36px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 20px;
}

.data-bar-item {
    text-align: center;
    position: relative;
}

.data-bar-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 15%;
    bottom: 15%;
    width: 1px;
    background: rgba(255,255,255,0.12);
}

.data-bar-num {
    font-family: var(--font-mono);
    font-size: 30px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.data-bar-label {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    margin-top: 4px;
}

/* 图墙 */
.gallery-section {
    padding: 70px 0 90px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
    gap: 16px;
    grid-auto-flow: dense;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item:nth-child(4) {
    grid-column: span 2;
}

.gallery-item:nth-child(6) {
    grid-column: span 3;
}

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

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(23,36,30,0.82) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.35s;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-tag {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gallery-tag::before {
    content: '';
    width: 20px;
    height: 3px;
    background: var(--accent);
    border-radius: 999px;
}

/* CTA 区块 */
.cta-section {
    padding: 90px 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -8%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(242,169,59,0.35), transparent 65%);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(15,110,94,0.5), transparent 60%);
    border-radius: 50%;
}

.cta-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    background: linear-gradient(135deg, rgba(15,110,94,0.35), rgba(23,36,30,0.5));
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 32px;
    padding: 64px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-title {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 10px;
}

.cta-subtitle {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    max-width: 520px;
}

.cta-btn-wrap {
    flex-shrink: 0;
}

/* FAQ */
.faq-section {
    padding: 90px 0;
}

.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item.open {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    transition: color 0.3s;
}

.faq-question:hover {
    color: var(--primary-dark);
}

.faq-question:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    border-radius: var(--radius-md);
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    transition: transform 0.3s, background 0.3s;
}

.faq-icon::before {
    content: '';
    width: 10px;
    height: 2px;
    background: var(--primary);
    border-radius: 999px;
}

.faq-icon::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 10px;
    background: var(--primary);
    border-radius: 999px;
    transition: opacity 0.3s;
}

.faq-item.open .faq-icon {
    background: var(--primary);
    transform: rotate(135deg);
}

.faq-item.open .faq-icon::before {
    background: #fff;
}

.faq-item.open .faq-icon::after {
    background: #fff;
    opacity: 0;
}

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

.faq-answer-inner {
    padding: 0 24px 22px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-2);
    border-top: 1px dashed var(--border);
    padding-top: 16px;
    margin-top: 4px;
}

/* 最新资讯 */
.news-section {
    padding: 90px 0;
    background: var(--primary-light);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.news-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 24px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.news-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity 0.3s;
}

.news-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.news-card:hover::before {
    opacity: 1;
}

.news-index {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 800;
    color: var(--border);
    width: 48px;
    text-align: center;
    flex-shrink: 0;
}

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

.news-body {
    flex: 1;
    min-width: 0;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.news-tag {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 999px;
}

.news-date {
    font-size: 13px;
    color: var(--text-2);
    font-family: var(--font-mono);
}

.news-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
    line-height: 1.4;
}

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

.news-summary {
    font-size: 14px;
    color: var(--text-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.news-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
    transition: background 0.3s, transform 0.3s;
}

.news-arrow:hover {
    background: var(--primary);
    color: #fff;
    transform: translateX(4px);
}

.empty-state {
    background: var(--card);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    color: var(--text-2);
    font-size: 15px;
}

/* 页脚 */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.75);
    padding-top: 60px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 40px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
}

.footer-brand .logo-text {
    color: #fff;
    margin-bottom: 12px;
    display: block;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.6);
    max-width: 340px;
}

.footer-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color 0.25s, padding-left 0.25s;
}

.footer-link:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact {
    font-size: 14px;
    line-height: 2;
    color: rgba(255,255,255,0.6);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

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

/* 响应式 */
@media (max-width: 1199px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-badges {
        max-width: 480px;
    }
}

@media (max-width: 991px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px 24px;
        box-shadow: 0 20px 40px rgba(23,36,30,0.1);
        border-bottom: 1px solid var(--border);
        gap: 4px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 16px;
    }

    .nav-link::after {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .bento-grid {
        gap: 14px;
    }

    .bento-large {
        grid-column: span 12;
        grid-row: span 1;
    }

    .bento-small {
        grid-column: span 6;
    }

    .data-bar {
        grid-column: 1 / -1;
    }

    .gallery-grid {
        grid-auto-rows: 160px;
    }

    .cta-inner {
        flex-direction: column;
        text-align: center;
        padding: 48px 32px;
    }

    .cta-subtitle {
        margin: 0 auto;
    }

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

@media (max-width: 767px) {
    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .hero {
        min-height: auto;
        margin-top: 76px;
    }

    .hero-content {
        padding: 56px 24px;
    }

    .hero-title {
        font-size: 30px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-badges {
        grid-template-columns: 1fr 1fr;
    }

    .countdown-bar {
        padding: 16px 20px;
        gap: 16px;
    }

    .countdown-items {
        gap: 8px;
    }

    .countdown-item {
        padding: 6px 10px;
    }

    .countdown-num {
        font-size: 20px;
        min-width: 30px;
    }

    .bento-small {
        grid-column: span 12;
    }

    .bento-large {
        padding: 24px;
        min-height: 280px;
    }

    .data-bar {
        grid-template-columns: 1fr 1fr;
        padding: 24px;
        gap: 20px;
    }

    .data-bar-item:not(:last-child)::after {
        display: none;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: 140px;
    }

    .gallery-item:nth-child(1) {
        grid-column: span 2;
        grid-row: span 2;
    }

    .gallery-item:nth-child(4),
    .gallery-item:nth-child(6) {
        grid-column: span 2;
    }

    .news-card {
        padding: 18px;
        gap: 14px;
        flex-wrap: wrap;
    }

    .news-index {
        width: 36px;
        font-size: 20px;
    }

    .news-arrow {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

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

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

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

    .header-inner {
        padding: 0 16px;
    }

    .logo-text {
        font-size: 16px;
    }

    .logo-mark {
        width: 34px;
        height: 34px;
    }

    .nav-cta {
        padding: 8px 18px;
        font-size: 13px;
    }

    .hero-badges {
        grid-template-columns: 1fr;
    }

    .hero-badge {
        padding: 14px 18px;
    }

    .countdown-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .countdown-items {
        width: 100%;
        justify-content: space-between;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        grid-auto-rows: 120px;
    }

    .gallery-item:nth-child(1) {
        grid-column: span 2;
        grid-row: span 2;
    }

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

    .cta-title {
        font-size: 24px;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 15px;
    }.faq-answer-inner {
        padding: 14px 18px 18px;
        font-size: 14px;
    }

    .news-card {
        flex-wrap: nowrap;
    }

    .news-index {
        display: none;
    }

    .news-title {
        font-size: 15px;
    }

    .news-summary {
        display: none;
    }
}

/* roulang page: category1 */
:root {
            --primary: #0F6E5E;
            --primary-dark: #0A4F44;
            --primary-light: #E5F2EE;
            --accent: #F2A93B;
            --accent-2: #E85D3E;
            --bg: #F7F5F0;
            --card: #FFFFFF;
            --dark: #17241E;
            --text: #252B26;
            --text-muted: #6E776F;
            --border: #E6E1D8;
            --gradient: linear-gradient(135deg, #0F6E5E 0%, #1B8A70 45%, #F2A93B 100%);
            --radius-lg: 28px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 32px rgba(15, 110, 94, 0.10);
            --shadow-hover: 0 20px 40px rgba(15, 110, 94, 0.16);
            --transition: all 0.3s ease;
            --font-mono: "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; }
        button { font-family: inherit; border: none; background: none; cursor: pointer; }
        ul, ol { list-style: none; }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .header.scrolled {
            background: rgba(247, 245, 240, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--gradient);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            position: relative;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }

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

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

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

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 999px;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(15, 110, 94, 0.25);
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(15, 110, 94, 0.35);
        }

        .nav-cta:active {
            transform: translateY(1px);
            box-shadow: 0 4px 16px rgba(15, 110, 94, 0.3);
        }

        .nav-cta:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: #d0e7e0;
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            padding: 88px 0 72px;
            background: var(--dark);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(23, 36, 30, 0.92) 0%, rgba(23, 36, 30, 0.70) 55%, rgba(23, 36, 30, 0.55) 100%);
        }

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

        .category-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
        }

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

        .category-breadcrumb .sep {
            opacity: 0.5;
        }

        .category-hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .category-hero .hero-desc {
            max-width: 640px;
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .hero-tag:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--dark);
        }

        /* ===== 板块标题 ===== */
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 14px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 6px;
            height: 30px;
            background: var(--gradient);
            border-radius: 6px;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 44px;
            max-width: 680px;
        }

        /* ===== 流程板块 ===== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: #fff;
        }

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

        .step-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--gradient);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 12px;
            margin-bottom: 18px;
            font-family: var(--font-mono);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 内容卡片 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .content-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .content-card:hover .card-img img {
            transform: scale(1.05);
        }

        .card-img .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(23, 36, 30, 0.85);
            color: #fff;
            font-size: 12px;
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            z-index: 2;
        }

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

        .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: var(--transition);
        }

        .content-card:hover .card-body h3 {
            color: var(--primary);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .card-meta .label {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .feature-block.reverse {
            direction: rtl;
        }

        .feature-block.reverse > * {
            direction: ltr;
        }

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

        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform 0.5s ease;
        }

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

        .feature-content h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .feature-content p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .feature-list {
            margin: 20px 0 28px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text);
            padding: 8px 0;
            line-height: 1.6;
        }

        .feature-list li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 999px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 8px 24px rgba(15, 110, 94, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 14px 34px rgba(15, 110, 94, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 4px 16px rgba(15, 110, 94, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .btn-outline:active {
            background: #d0e7e0;
            transform: translateY(1px);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
        }

        .btn-light:active {
            transform: translateY(1px);
        }

        /* ===== 注意事项 ===== */
        .notice-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .notice-card {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }

        .notice-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .notice-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .notice-icon.gear { background: #E8F5F1; }
        .notice-icon.time { background: #FEF4E3; }
        .notice-icon.info { background: #FDEAE4; }
        .notice-icon.pin { background: #EDF1F7; }

        .notice-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .notice-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 2px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: #c9c2b5;
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question:focus-visible {
            outline: none;
            background: var(--primary-light);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 16px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(242, 169, 59, 0.18) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 10%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(15, 110, 94, 0.5) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-wrapper {
            position: relative;
            z-index: 2;
            background: var(--gradient);
            border-radius: 32px;
            padding: 64px 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
        }

        .cta-content {
            flex: 1;
        }

        .cta-content h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            max-width: 520px;
        }

        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: 14px;
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.82);
            padding: 72px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
            margin-bottom: 16px;
            display: inline-block;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 14px;
            max-width: 360px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-link {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
        }

        .footer-link::before {
            content: '›';
            font-size: 16px;
            color: var(--accent);
            transition: var(--transition);
        }

        .footer-link:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-wrapper {
                padding: 48px 40px;
                flex-direction: column;
                text-align: center;
            }

            .cta-content p {
                margin: 0 auto;
            }

            .cta-actions {
                flex-direction: row;
            }
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--bg);
                flex-direction: column;
                padding: 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-link {
                padding: 14px 12px;
                width: 100%;
                border-radius: 12px;
                font-size: 16px;
            }

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

            .nav-link::after {
                display: none;
            }

            .nav-link.active {
                background: var(--primary-light);
            }

            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }

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

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

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

        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }

            .section {
                padding: 64px 0;
            }

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

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

            .section-title {
                font-size: 26px;
                padding-left: 16px;
            }

            .section-title::before {
                height: 26px;
                top: 4px;
            }

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

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

            .cta-section {
                padding: 56px 0;
            }

            .cta-wrapper {
                padding: 40px 24px;
                border-radius: 24px;
            }

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

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .header-inner {
                gap: 12px;
            }

            .logo-text {
                font-size: 17px;
            }

            .footer-bottom .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .logo-text {
                font-size: 15px;
            }

            .nav-cta {
                font-size: 13px;
                padding: 10px 18px;
            }

            .hero-tags {
                flex-wrap: wrap;
            }

            .card-img {
                height: 180px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0F6E5E;
            --primary-dark: #0A4F44;
            --primary-light: #E5F2EE;
            --accent: #F2A93B;
            --alert: #E85D3E;
            --bg: #F7F5F0;
            --card: #FFFFFF;
            --dark: #17241E;
            --text: #252B26;
            --text-weak: #6E776F;
            --border: #E6E1D8;
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 10px;
            --shadow: 0 12px 32px rgba(15,110,94,0.10);
            --shadow-hover: 0 20px 40px rgba(15,110,94,0.16);
            --gradient: linear-gradient(135deg, #0F6E5E 0%, #1B8A70 45%, #F2A93B 100%);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-narrow {
            max-width: 780px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--primary);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(247, 245, 240, 0.95);
            box-shadow: 0 6px 24px rgba(15, 110, 94, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 78px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(15, 110, 94, 0.25);
            transform: rotate(-3deg);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .nav-link {
            position: relative;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 2px;
            width: 0;
            height: 4px;
            border-radius: 4px;
            background: var(--primary);
            transform: translateX(-50%);
            transition: width 0.3s ease;
        }

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

        .nav-link:hover::after {
            width: 60%;
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-link.active::after {
            width: 60%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 999px;
            transition: all 0.25s ease;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 6px 18px rgba(15, 110, 94, 0.22);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(15, 110, 94, 0.32);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(15, 110, 94, 0.24);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-outline {
            background: var(--card);
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--dark);
            box-shadow: 0 6px 18px rgba(242, 169, 59, 0.35);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(242, 169, 59, 0.45);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-accent:focus-visible {
            outline: 2px solid var(--alert);
            outline-offset: 3px;
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 10px;
            border: 2px solid var(--border);
            background: var(--card);
            transition: all 0.3s ease;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 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);
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding: 24px 0 8px;
            font-size: 14px;
            color: var(--text-weak);
        }

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

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

        .breadcrumb .sep {
            color: var(--border);
            font-weight: 300;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            background:
                linear-gradient(rgba(23, 36, 30, 0.82), rgba(23, 36, 30, 0.72)),
                url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            padding: 56px 0 72px;
            border-bottom: 4px solid var(--accent);
        }

        .article-hero .breadcrumb {
            color: rgba(255, 255, 255, 0.7);
        }

        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }

        .article-hero .breadcrumb a:hover {
            color: var(--accent);
        }

        .article-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .article-hero .breadcrumb .current {
            color: #fff;
        }

        .article-hero-inner {
            max-width: 780px;
        }

        .article-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.24;
            color: #fff;
            margin-top: 18px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-top: 22px;
        }

        .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--accent);
            color: var(--dark);
            font-size: 13px;
            font-weight: 700;
            border-radius: 999px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
        }

        .meta-date,
        .meta-read {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .meta-date::before {
            content: "🕒";
            font-size: 14px;
        }

        .meta-read::before {
            content: "📖";
            font-size: 14px;
        }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 64px 0 40px;
        }

        .article-content {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px 56px;
            position: relative;
        }

        .article-content::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .article-content>*+* {
            margin-top: 1.5em;
        }

        .article-content h1,
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.4;
            margin-top: 1.8em;
        }

        .article-content h2 {
            font-size: 26px;
            border-left: 6px solid var(--accent);
            padding-left: 16px;
        }

        .article-content h3 {
            font-size: 21px;
        }

        .article-content p {
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--text);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
        }

        .article-content li {
            font-size: 16.5px;
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .article-content ul li::marker {
            color: var(--primary);
        }

        .article-content ol li::marker {
            color: var(--primary);
            font-weight: 700;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--primary-light);
            padding: 20px 24px;
            border-radius: 0 14px 14px 0;
            font-style: italic;
            color: var(--text);
            position: relative;
        }

        .article-content blockquote::before {
            content: "”";
            position: absolute;
            top: 8px;
            right: 14px;
            font-size: 40px;
            color: rgba(15, 110, 94, 0.15);
            font-family: Georgia, serif;
        }

        .article-content img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            margin: 2em auto;
        }

        .article-content a {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s ease;
        }

        .article-content a:hover {
            border-bottom-color: var(--primary);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            margin: 2em 0;
        }

        .article-content th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 12px 16px;
            text-align: left;
        }

        .article-content td {
            border-bottom: 1px solid var(--border);
            padding: 12px 16px;
        }

        .article-content hr {
            border: none;
            height: 1px;
            background: var(--border);
            margin: 2.5em 0;
            position: relative;
        }

        .article-content hr::after {
            content: "❖";
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--card);
            padding: 0 12px;
            color: var(--accent);
            font-size: 16px;
        }

        .article-content code {
            font-family: var(--mono);
            background: var(--primary-light);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 14px;
            color: var(--primary-dark);
        }

        .article-content pre {
            background: var(--dark);
            color: #E8F0EC;
            padding: 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 2em 0;
        }

        .article-content pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        /* ===== Empty State ===== */
        .empty-state {
            background: var(--card);
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
        }

        .empty-state-icon {
            font-size: 48px;
            margin-bottom: 16px;
            display: block;
        }

        .empty-state p {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        /* ===== Article Footer Nav ===== */
        .article-footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0 80px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary-dark);
            position: relative;
            padding-left: 20px;
            margin-bottom: 36px;
            line-height: 1.3;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 6px;
            border-radius: 6px;
            background: var(--gradient);
        }

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

        .related-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 110, 94, 0.3);
        }

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .related-info {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-info .tag {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        .related-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

        .related-card:hover .related-info h3 {
            color: var(--primary);
        }

        .related-info p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            flex: 1;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0 0 80px;
        }

        .cta-box {
            position: relative;
            background:
                radial-gradient(ellipse at 80% 20%, rgba(242, 169, 59, 0.35) 0%, transparent 50%),
                radial-gradient(ellipse at 10% 80%, rgba(15, 110, 94, 0.5) 0%, transparent 50%),
                var(--dark);
            border-radius: 32px;
            padding: 64px 60px;
            overflow: hidden;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            border: 2px solid rgba(242, 169, 59, 0.4);
            box-shadow: 0 20px 48px rgba(23, 36, 30, 0.25);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 160px;
            height: 160px;
            border: 2px dashed rgba(242, 169, 59, 0.2);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
        }

        .cta-box .btn {
            position: relative;
            z-index: 2;
            flex-shrink: 0;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
            position: relative;
        }

        .footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer .logo-text {
            color: #fff;
            font-size: 22px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 400px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-link {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-link::before {
            content: "→";
            color: var(--accent);
            opacity: 0.7;
        }

        .footer-link:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact p {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .footer-contact p::before {
            content: "·";
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
        }

        .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;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 48px 40px;
            }

            .article-title {
                font-size: 32px;
            }

            .article-content {
                padding: 40px 36px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 68px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 2px solid var(--primary);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 20px;
                gap: 6px;
                box-shadow: 0 16px 24px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                opacity: 0;
                pointer-events: none;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-link {
                padding: 14px 16px;
                border-radius: 12px;
                text-align: center;
                font-size: 16px;
            }

            .nav-link::after {
                display: none;
            }

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

            .header-actions .btn-sm {
                display: none;
            }

            .header-actions .nav-toggle {
                display: flex;
            }

            .cta-box {
                padding: 40px 28px;
                border-radius: 24px;
            }

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

            .cta-box .btn {
                width: 100%;
            }

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

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

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

            .article-content {
                padding: 32px 24px;
                border-radius: 20px;
            }

            .article-title {
                font-size: 26px;
            }
        }

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

            .logo-text {
                font-size: 17px;
            }

            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 18px;
                border-radius: 10px;
            }

            .article-hero {
                padding: 40px 0 52px;
            }

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

            .article-meta {
                gap: 8px;
            }

            .meta-tag {
                font-size: 12px;
                padding: 4px 10px;
            }

            .meta-date,
            .meta-read {
                font-size: 13px;
            }

            .article-content {
                padding: 24px 18px;
            }

            .article-content p {
                font-size: 16px;
            }

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

            .article-footer-nav {
                flex-direction: column;
            }

            .article-footer-nav .btn {
                width: 100%;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-box {
                padding: 32px 20px;
            }

            .cta-content h2 {
                font-size: 21px;
            }
        }