/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
    --bg-primary: #0F1B1D;
    --bg-secondary: #162B2E;
    --bg-card: rgba(28, 58, 62, 0.8);
    --bg-card-solid: #1C3A3E;
    --gold: #C9A063;
    --gold-bright: #E0B97C;
    --green: #2F9E8F;
    --green-soft: rgba(47, 158, 143, 0.08);
    --text-heading: #F7F3EB;
    --text-body: #C8D4D0;
    --text-muted: #93A6A2;
    --border-soft: rgba(255, 255, 255, 0.06);
    --border-gold: rgba(201, 160, 99, 0.45);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-xs: 8px;
    --radius-pill: 999px;
    --shadow-default: 0 10px 30px rgba(0, 0, 0, 0.22);
    --shadow-hover: 0 18px 44px rgba(0, 0, 0, 0.32);
    --transition-base: all 0.3s ease;
}

/* ========== 基础重置 ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.75;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}
a:hover {
    color: var(--green);
}
img {
    max-width: 100%;
    height: auto;
}
button,
input {
    font-family: inherit;
}
section {
    position: relative;
}
.section {
    padding: 90px 0;
}
.container {
    max-width: 1240px;
}

/* ========== 通用按钮 ========== */
.btn {
    border-radius: var(--radius-pill);
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: var(--transition-base);
    padding: 12px 30px;
    border: 2px solid transparent;
}
.btn:focus,
.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 158, 143, 0.5);
}
.btn-gold {
    background: var(--gold);
    color: #1A2A2C;
    border-color: var(--gold);
}
.btn-gold:hover {
    background: var(--gold-bright);
    border-color: var(--gold-bright);
    color: #1A2A2C;
    box-shadow: 0 6px 25px rgba(201, 160, 99, 0.35);
    transform: translateY(-2px);
}
.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.7);
    color: var(--text-heading);
    background: transparent;
}
.btn-outline-light:hover {
    border-color: var(--gold);
    background: rgba(201, 160, 99, 0.1);
    color: var(--gold-bright);
    transform: translateY(-2px);
}
.btn-lg-pill {
    padding: 14px 38px;
    font-size: 16px;
}
.btn-sm-pill {
    padding: 9px 24px;
    font-size: 15px;
}
.btn-sm-outline {
    display: inline-block;
    padding: 8px 22px;
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-pill);
    color: var(--text-body);
    font-size: 14px;
    transition: var(--transition-base);
    background: transparent;
}
.btn-sm-outline:hover {
    border-color: var(--gold);
    color: var(--gold-bright);
    background: rgba(201, 160, 99, 0.08);
}

/* ========== 标签 ========== */
.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 18px;
    border-radius: var(--radius-pill);
    background: rgba(47, 158, 143, 0.12);
    border: 1px solid rgba(47, 158, 143, 0.28);
    color: var(--green);
    font-size: 14px;
    font-weight: 500;
}
.section-tag {
    display: inline-block;
    padding: 6px 20px;
    border-radius: var(--radius-pill);
    background: rgba(201, 160, 99, 0.14);
    border: 1px solid rgba(201, 160, 99, 0.35);
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 14px;
}
.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.25;
    margin-bottom: 16px;
}
.section-sub {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ========== 导航 ========== */
.site-header {
    position: fixed;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1080;
    width: min(1220px, calc(100% - 28px));
}
.nav-pill {
    background: rgba(18, 30, 32, 0.78);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.07);
    padding: 10px 18px 10px 26px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
    transition: box-shadow 0.4s ease;
}
.nav-pill.nav-scrolled {
    box-shadow: 0 14px 50px rgba(0, 0, 0, 0.42);
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}
.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-bright) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1A2A2C;
    font-size: 15px;
    box-shadow: 0 4px 14px rgba(201, 160, 99, 0.3);
}
.brand-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: 0.5px;
}
.navbar-toggler {
    border: none;
    padding: 6px 9px;
}
.navbar-toggler:focus {
    box-shadow: none;
}
.custom-toggler .navbar-toggler-icon {
    background-image: none;
    position: relative;
    width: 26px;
    height: 2px;
    background: var(--text-heading);
    border-radius: 3px;
    transition: var(--transition-base);
}
.custom-toggler .navbar-toggler-icon::before,
.custom-toggler .navbar-toggler-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--text-heading);
    border-radius: 3px;
}
.custom-toggler .navbar-toggler-icon::before {
    top: -8px;
}
.custom-toggler .navbar-toggler-icon::after {
    bottom: -8px;
}
.nav-link-custom {
    color: var(--text-body);
    font-size: 15px;
    font-weight: 500;
    padding: 7px 16px !important;
    border-radius: var(--radius-pill);
    transition: var(--transition-base);
}
.nav-link-custom:hover {
    color: var(--green);
    background: rgba(47, 158, 143, 0.1);
}
.nav-link-custom.active {
    background: var(--gold);
    color: #1A2A2C;
    font-weight: 600;
}
.nav-link-custom.active:hover {
    background: var(--gold-bright);
    color: #1A2A2C;
}

/* ========== Hero ========== */
.hero-section {
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: 140px 0 90px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 27, 29, 0.94) 0%, rgba(15, 27, 29, 0.82) 55%, rgba(22, 43, 46, 0.7) 100%);
    z-index: 1;
}
.hero-section .container {
    position: relative;
    z-index: 2;
}
.hero-kicker {
    display: inline-block;
    padding: 7px 22px;
    border-radius: var(--radius-pill);
    background: rgba(201, 160, 99, 0.12);
    border: 1px solid rgba(201, 160, 99, 0.32);
    color: var(--gold);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1.5px;
    margin-bottom: 26px;
}
.hero-title {
    font-size: 56px;
    font-weight: 900;
    color: var(--text-heading);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}
.hero-subtitle {
    font-size: 18px;
    color: var(--text-body);
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.8;
}
.hero-actions {
    gap: 16px;
}

/* ========== 信任指标条 ========== */
.hero-metrics {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
    padding: 28px 0;
}
.metric-item {
    text-align: center;
    padding: 10px;
}
.metric-num {
    display: block;
    font-size: 30px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1.2;
}
.metric-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ========== 品牌理念 ========== */
.brand-section {
    background: var(--bg-primary);
}
.brand-img-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-default);
}
.brand-img-wrapper::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(15, 27, 29, 0.45) 100%);
    border-radius: var(--radius-lg);
    pointer-events: none;
}
.brand-img-wrapper img {
    width: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}
.section-desc {
    font-size: 16px;
    color: var(--text-body);
    line-height: 1.9;
    margin-bottom: 0;
}
.brand-tags {
    margin-top: 22px;
}
.brand-tags .tag-pill {
    margin-bottom: 4px;
}

/* ========== 精选内容 ========== */
.featured-section {
    background: var(--bg-primary);
}
.section-head {
    position: relative;
    z-index: 2;
}
.feature-card {
    display: block;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    overflow: hidden;
    height: 100%;
    transition: var(--transition-base);
    box-shadow: var(--shadow-default);
}
.feature-card:hover {
    border-color: var(--border-gold);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.feature-card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--bg-card-solid);
}
.feature-card-lg .feature-card-img {
    aspect-ratio: 16 / 8;
}
.feature-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.feature-card:hover .feature-card-img img {
    transform: scale(1.03);
}
.feature-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    background: rgba(15, 27, 29, 0.72);
    backdrop-filter: blur(6px);
    color: var(--gold);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid rgba(201, 160, 99, 0.3);
    z-index: 2;
}
.feature-card-body {
    padding: 22px 24px;
}
.feature-card-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 10px;
    line-height: 1.4;
}
.feature-card-lg .feature-card-title {
    font-size: 22px;
}
.feature-card-desc {
    font-size: 14.5px;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.65;
}
.feature-card-meta {
    font-size: 13px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ========== 资讯列表 ========== */
.news-section {
    background: var(--bg-secondary);
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.news-item {
    display: grid;
    grid-template-columns: 110px 1fr 2fr 130px 36px;
    gap: 16px;
    align-items: center;
    padding: 18px 22px;
    background: rgba(28, 58, 62, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    transition: var(--transition-base);
    position: relative;
}
.news-item:hover {
    background: rgba(28, 58, 62, 0.82);
    border-color: var(--border-gold);
    transform: translateY(-2px);
}
.news-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--gold);
    border-radius: 0 4px 4px 0;
    transition: height 0.3s ease;
}
.news-item:hover::before {
    height: 70%;
}
.news-cat {
    font-size: 12px;
    font-weight: 600;
    color: var(--green);
    background: rgba(47, 158, 143, 0.12);
    border: 1px solid rgba(47, 158, 143, 0.3);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    text-align: center;
    white-space: nowrap;
    width: fit-content;
}
.news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
    line-height: 1.4;
}
.news-desc {
    font-size: 14px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.5;
}
.news-date {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
}
.news-arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(201, 160, 99, 0.1);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}
.news-item:hover .news-arrow {
    background: var(--gold);
    color: #1A2A2C;
}
.empty-state {
    background: rgba(28, 58, 62, 0.35);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-soft);
}
.empty-state p {
    color: var(--text-muted);
}

/* ========== 信任背书 ========== */
.trust-section {
    background: var(--bg-primary);
    padding: 70px 0;
}
.trust-panel {
    background: var(--bg-card-solid);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    padding: 44px 40px;
    box-shadow: var(--shadow-default);
}
.trust-intro .section-tag {
    margin-bottom: 10px;
}
.trust-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 0;
}
.trust-item {
    text-align: center;
    padding: 10px 0;
}
.trust-num {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1.2;
}
.trust-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ========== FAQ ========== */
.faq-section {
    background: var(--bg-secondary);
}
.accordion-item.faq-item {
    background: rgba(28, 58, 62, 0.55);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md) !important;
    margin-bottom: 14px;
    overflow: hidden;
}
.accordion-item.faq-item:first-of-type {
    border-radius: var(--radius-md) !important;
}
.accordion-item.faq-item:last-of-type {
    border-radius: var(--radius-md) !important;
}
.faq-btn {
    background: transparent !important;
    color: var(--text-heading) !important;
    font-size: 16px;
    font-weight: 600;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: none !important;
}
.faq-btn:hover {
    background: rgba(47, 158, 143, 0.06) !important;
}
.faq-btn::after {
    flex-shrink: 0;
}
.faq-num {
    font-size: 14px;
    font-weight: 700;
    color: var(--gold);
    background: rgba(201, 160, 99, 0.12);
    border: 1px solid rgba(201, 160, 99, 0.3);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.faq-answer {
    padding: 0 22px 20px;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.8;
    border-left: 3px solid var(--gold);
    margin: 0 22px 16px;
    border-radius: 0 8px 8px 0;
    background: var(--green-soft);
    padding-left: 18px;
    margin-left: 52px;
}

/* ========== 订阅CTA ========== */
.cta-section {
    background: var(--bg-primary);
    padding: 80px 0;
}
.cta-panel {
    background: linear-gradient(135deg, var(--bg-card-solid) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    padding: 54px 50px;
    box-shadow: var(--shadow-default);
    position: relative;
    overflow: hidden;
}
.cta-panel::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(201, 160, 99, 0.06);
    pointer-events: none;
}
.cta-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 12px;
}
.cta-desc {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.7;
}
.subscribe-group {
    background: rgba(15, 27, 29, 0.6);
    border-radius: var(--radius-pill);
    padding: 6px;
    border: 1px solid var(--border-soft);
    transition: border-color 0.3s ease;
}
.subscribe-group:focus-within {
    border-color: var(--green);
}
.subscribe-input {
    background: transparent;
    border: none;
    color: var(--text-heading);
    padding: 12px 20px;
    font-size: 15px;
    border-radius: var(--radius-pill) 0 0 var(--radius-pill);
}
.subscribe-input::placeholder {
    color: var(--text-muted);
}
.subscribe-input:focus {
    background: transparent;
    border: none;
    box-shadow: none;
    color: var(--text-heading);
}
.subscribe-btn {
    border-radius: var(--radius-pill);
    padding: 10px 26px;
    font-size: 15px;
    white-space: nowrap;
}
.form-tip {
    font-size: 12.5px;
    color: var(--text-muted);
}

/* ========== 页脚 ========== */
.site-footer {
    background: #0B1416;
    border-top: 1px solid rgba(201, 160, 99, 0.25);
    padding-top: 60px;
}
.footer-top {
    padding-bottom: 40px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-brand .brand-text {
    font-size: 18px;
}
.footer-desc {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 340px;
}
.footer-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: var(--text-body);
    font-size: 14.5px;
    transition: var(--transition-base);
}
.footer-links a:hover {
    color: var(--gold);
    padding-left: 4px;
}
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-contact li {
    color: var(--text-body);
    font-size: 14.5px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact i {
    color: var(--gold);
    width: 16px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-bottom p {
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
    .section {
        padding: 70px 0;
    }
    .hero-title {
        font-size: 42px;
    }
    .nav-pill {
        border-radius: 20px;
        padding: 8px 14px;
    }
    .navbar-collapse {
        background: rgba(18, 30, 32, 0.96);
        backdrop-filter: blur(14px);
        border-radius: 16px;
        padding: 14px 18px;
        margin-top: 12px;
        border: 1px solid var(--border-soft);
    }
    .nav-link-custom {
        padding: 10px 14px !important;
    }
    .nav-link-custom.active {
        width: fit-content;
    }
    .navbar-nav {
        gap: 4px;
    }
    .btn-sm-pill {
        margin-left: 0 !important;
        margin-top: 8px;
        width: fit-content;
    }
    .feature-card-lg .feature-card-img {
        aspect-ratio: 16 / 9;
    }
    .news-item {
        grid-template-columns: 90px 1fr 120px 30px;
        padding: 14px 16px;
    }
    .news-desc {
        display: none;
    }
    .cta-panel {
        padding: 40px 30px;
    }
    .brand-text {
        font-size: 16px;
    }
}

@media (max-width: 767.98px) {
    .section {
        padding: 56px 0;
    }
    .hero-section {
        min-height: auto;
        padding: 150px 0 60px;
    }
    .hero-title {
        font-size: 34px;
    }
    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 28px;
    }
    .hero-actions .btn {
        padding: 12px 26px;
        font-size: 14px;
    }
    .section-title {
        font-size: 27px;
    }
    .section-sub {
        font-size: 15px;
    }
    .metric-num {
        font-size: 24px;
    }
    .trust-num {
        font-size: 26px;
    }
    .trust-panel {
        padding: 30px 22px;
    }
    .news-item {
        grid-template-columns: 1fr auto;
        gap: 8px;
        padding: 14px 16px;
    }
    .news-cat {
        grid-column: 1 / -1;
        margin-bottom: 4px;
    }
    .news-title {
        font-size: 15px;
    }
    .news-date {
        font-size: 12px;
    }
    .news-arrow {
        display: none;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 4px;
    }
    .cta-panel {
        padding: 30px 22px;
    }
    .subscribe-group {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
        gap: 10px;
    }
    .subscribe-input {
        background: rgba(15, 27, 29, 0.6);
        border: 1px solid var(--border-soft);
        border-radius: var(--radius-pill);
    }
    .subscribe-btn {
        width: 100%;
        border-radius: var(--radius-pill);
    }
    .faq-answer {
        margin-left: 22px;
    }
    .brand-img-wrapper {
        margin-bottom: 10px;
    }
    .feature-card-body {
        padding: 18px;
    }
}

@media (max-width: 520px) {
    .hero-title {
        font-size: 29px;
    }
    .hero-kicker {
        font-size: 12px;
        padding: 6px 16px;
    }
    .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
    .brand-text {
        font-size: 14.5px;
    }
    .site-header {
        top: 10px;
        width: calc(100% - 20px);
    }
    .nav-pill {
        padding: 6px 10px;
    }
    .feature-card-lg .feature-card-title {
        font-size: 19px;
    }
    .feature-card-title {
        font-size: 17px;
    }
    .trust-item {
        padding: 6px 0;
    }
    .trust-num {
        font-size: 22px;
    }
}

/* roulang page: category1 */
:root {
  --bg-deep: #0F1B1D;
  --bg-sub: #162B2E;
  --bg-card: rgba(28, 58, 62, 0.8);
  --bg-card-solid: #1C3A3E;
  --primary-deep: #1A3A3F;
  --gold: #C9A063;
  --gold-bright: #E0B97C;
  --teal: #2F9E8F;
  --heading-color: #F7F3EB;
  --body-color: #C8D4D0;
  --muted-color: #93A6A2;
  --danger: #D2695B;
  --light-block: #F5F1E8;
  --border-soft: rgba(255, 255, 255, 0.06);
  --border-gold: rgba(201, 160, 99, 0.45);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 14px;
  --radius-pill: 999px;
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 18px 44px rgba(0, 0, 0, 0.32);
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --spacing-section: 100px;
  --spacing-section-md: 60px;
  --transition-base: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body-color);
  background-color: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--heading-color);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 0.6em;
}

p {
  margin-top: 0;
  margin-bottom: 1.2em;
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--gold-bright);
}

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

button,
input,
select,
textarea {
  font-family: inherit;
}

.container {
  max-width: 1280px;
}

section {
  position: relative;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1030;
  padding-top: 0;
  margin-bottom: -8px;
}

.site-header .container {
  max-width: 1320px;
}

.nav-pill {
  background: rgba(18, 30, 32, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.nav-pill .navbar-brand {
  margin-right: 0;
}

.nav-pill.scrolled {
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.42);
  background: rgba(14, 24, 26, 0.85);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  color: #10211f;
  font-size: 16px;
  box-shadow: 0 0 16px rgba(201, 160, 99, 0.35);
}

.brand-text {
  font-size: 18px;
  font-weight: 900;
  color: var(--heading-color);
  letter-spacing: 0.5px;
}

.navbar-nav .nav-item {
  margin: 0 3px;
}

.nav-link-custom {
  color: var(--body-color) !important;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px !important;
  border-radius: var(--radius-pill);
  transition: var(--transition-base);
}

.nav-link-custom:hover {
  color: var(--heading-color) !important;
  background: rgba(47, 158, 143, 0.16);
}

.nav-link-custom.active {
  color: #10211f !important;
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  font-weight: 700;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  color: #10211f;
  border: none;
  border-radius: var(--radius-pill);
  font-weight: 700;
  padding: 9px 26px;
  font-size: 15px;
  transition: var(--transition-base);
  box-shadow: 0 4px 14px rgba(201, 160, 99, 0.25);
}

.btn-gold:hover,
.btn-gold:focus {
  background: linear-gradient(135deg, var(--gold-bright), #f0cc8b);
  color: #10211f;
  box-shadow: 0 6px 22px rgba(201, 160, 99, 0.42);
  transform: translateY(-2px);
}

.btn-sm-pill {
  padding: 7px 20px;
  font-size: 14px;
}

.custom-toggler {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 6px 10px;
}

.custom-toggler .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(247,243,235,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.custom-toggler:focus {
  box-shadow: 0 0 0 3px rgba(47, 158, 143, 0.4);
}

/* ===== Hero Banner ===== */
.hero-banner {
  min-height: 320px;
  display: flex;
  align-items: center;
  background: linear-gradient(100deg, rgba(15, 27, 29, 0.9) 18%, rgba(15, 27, 29, 0.55) 65%, rgba(15, 27, 29, 0.25) 100%), url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat;
  border-bottom: 1px solid var(--border-soft);
  padding: 90px 0 70px;
  margin-top: -16px;
}

.hero-banner::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(to top, var(--bg-deep), transparent);
  pointer-events: none;
}

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

.hero-breadcrumb {
  font-size: 13px;
  color: var(--muted-color);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-breadcrumb a {
  color: var(--muted-color);
}

.hero-breadcrumb a:hover {
  color: var(--gold-bright);
}

.hero-breadcrumb span {
  color: var(--gold);
  margin: 0 6px;
}

.hero-title {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--heading-color);
  margin-bottom: 16px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 17px;
  color: var(--body-color);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-outline-custom {
  background: transparent;
  border: 1.5px solid rgba(247, 243, 235, 0.55);
  color: var(--heading-color);
  border-radius: var(--radius-pill);
  font-weight: 600;
  padding: 9px 26px;
  font-size: 15px;
  transition: var(--transition-base);
}

.btn-outline-custom:hover,
.btn-outline-custom:focus {
  background: rgba(201, 160, 99, 0.15);
  border-color: var(--gold);
  color: var(--heading-color);
}

/* ===== Section Common ===== */
.section-block {
  padding: var(--spacing-section) 0;
}

.section-block-sub {
  background: var(--bg-sub);
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding: 4px 14px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-pill);
  background: rgba(201, 160, 99, 0.06);
}

.section-title {
  font-size: clamp(28px, 3.6vw, 38px);
  font-weight: 900;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--muted-color);
  max-width: 640px;
  margin-bottom: 0;
}

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

/* ===== Intro ===== */
.intro-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.intro-text p {
  font-size: 16px;
  margin-bottom: 1.2em;
}

.intro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.intro-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: rgba(28, 58, 62, 0.75);
  border: 1px solid var(--border-soft);
  color: var(--body-color);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-base);
}

.intro-tag i {
  color: var(--gold);
  font-size: 12px;
}

.intro-tag:hover {
  border-color: var(--border-gold);
  color: var(--heading-color);
  transform: translateY(-2px);
}

.intro-visual {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.intro-visual img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* ===== Guide Cards ===== */
.guide-card-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.guide-card,
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.guide-card:hover,
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-gold);
}

.guide-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #14252a;
}

.guide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.guide-card:hover .guide-media img,
.feature-card:hover .guide-media img {
  transform: scale(1.04);
}

.guide-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 27, 29, 0.05) 60%, rgba(15, 27, 29, 0.55));
}

.guide-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 2;
  background: rgba(15, 27, 29, 0.78);
  color: var(--gold-bright);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-gold);
  backdrop-filter: blur(6px);
}

.guide-body {
  padding: 26px 26px 28px;
}

.guide-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.guide-body p {
  font-size: 15px;
  color: var(--muted-color);
  margin-bottom: 20px;
  line-height: 1.7;
}

.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-weight: 600;
  font-size: 14px;
}

.guide-link:hover {
  color: var(--gold-bright);
  gap: 12px;
}

/* ===== Security Panel ===== */
.security-panel {
  background: rgba(22, 43, 46, 0.85);
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}

.security-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.security-item {
  text-align: center;
  padding: 20px 12px;
}

.security-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(201, 160, 99, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--gold);
  font-size: 26px;
  margin-bottom: 18px;
  transition: var(--transition-base);
}

.security-item:hover .security-icon {
  background: rgba(201, 160, 99, 0.2);
  box-shadow: 0 0 22px rgba(201, 160, 99, 0.25);
  transform: translateY(-3px);
}

.security-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.security-item p {
  font-size: 14px;
  color: var(--muted-color);
  margin-bottom: 0;
  line-height: 1.6;
}

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

.faq-item {
  background: rgba(22, 43, 46, 0.7);
  border: 1px solid var(--border-soft) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item .accordion-button {
  background: transparent;
  color: var(--heading-color);
  font-size: 16px;
  font-weight: 600;
  padding: 22px 28px;
  border: none;
  box-shadow: none;
  gap: 14px;
}

.faq-item .accordion-button:not(.collapsed) {
  color: var(--gold-bright);
  background: rgba(47, 158, 143, 0.06);
}

.faq-item .accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(47, 158, 143, 0.3);
}

.faq-item .accordion-button::after {
  flex-shrink: 0;
  border: none;
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  width: auto;
  height: auto;
  background: none;
  font-size: 14px;
  color: var(--gold);
  transition: transform 0.3s ease;
}

.faq-item .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}

.faq-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(201, 160, 99, 0.12);
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.faq-answer {
  background: rgba(47, 158, 143, 0.04);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--body-color);
  font-size: 15px;
  line-height: 1.8;
  padding: 20px 28px 24px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* ===== CTA ===== */
.cta-section {
  padding: 90px 0;
  background: linear-gradient(135deg, rgba(201, 160, 99, 0.08), rgba(47, 158, 143, 0.06)), var(--bg-deep);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.cta-box {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.cta-box .section-title {
  font-size: clamp(26px, 3vw, 36px);
}

.cta-box .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 36px auto 0;
}

.cta-form input[type="email"] {
  flex: 1;
  height: 50px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(15, 27, 29, 0.6);
  padding: 0 24px;
  color: var(--heading-color);
  font-size: 15px;
  transition: var(--transition-base);
}

.cta-form input[type="email"]::placeholder {
  color: var(--muted-color);
}

.cta-form input[type="email"]:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(47, 158, 143, 0.25);
}

.cta-form input[type="email"].error {
  border-color: var(--danger);
}

.cta-form .btn-gold {
  height: 50px;
  padding: 0 28px;
  flex-shrink: 0;
}

.cta-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted-color);
}

/* ===== Footer ===== */
.site-footer {
  background: #0B1416;
  border-top: 1px solid rgba(201, 160, 99, 0.25);
  padding: 70px 0 30px;
}

.footer-top {
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 14px;
  color: var(--muted-color);
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 380px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--muted-color);
  font-size: 14px;
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--gold-bright);
  padding-left: 4px;
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li {
  color: var(--muted-color);
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-contact i {
  color: var(--gold);
}

.footer-bottom {
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--muted-color);
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  :root {
    --spacing-section: 70px;
  }

  .site-header {
    top: 12px;
  }

  .nav-pill {
    border-radius: 24px;
    padding: 10px 16px;
  }

  .navbar-collapse {
    margin-top: 12px;
  }

  .navbar-nav {
    padding: 14px;
    background: rgba(14, 24, 26, 0.92);
    border-radius: 20px;
  }

  .nav-link-custom {
    padding: 12px 16px !important;
  }

  .nav-link-custom.active {
    background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  }

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

  .security-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

@media (max-width: 767.98px) {
  :root {
    --spacing-section: 52px;
  }

  body {
    font-size: 15px;
  }

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

  .hero-banner {
    min-height: 280px;
    padding: 70px 0 50px;
  }

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

  .hero-subtitle {
    font-size: 15px;
  }

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

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

  .security-panel {
    padding: 40px 24px;
  }

  .security-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .security-icon {
    width: 52px;
    height: 52px;
    font-size: 22px;
  }

  .cta-section {
    padding: 60px 0;
  }

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

  .cta-form .btn-gold {
    width: 100%;
  }

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

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

  .hero-cta .btn-gold,
  .hero-cta .btn-outline-custom {
    width: 100%;
    text-align: center;
  }

  .cta-form input[type="email"],
  .cta-form .btn-gold {
    width: 100%;
  }

  .intro-visual img {
    height: 240px;
  }

  .faq-item .accordion-button {
    font-size: 15px;
    padding: 18px 18px;
  }

  .faq-answer {
    padding: 16px 18px 20px;
  }
}

/* roulang page: article */
:root {
  --bg-dark: #0F1B1D;
  --bg-deep: #0B1416;
  --bg-soft: #162B2E;
  --card-bg: rgba(28, 58, 62, 0.8);
  --primary: #1A3A3F;
  --gold: #C9A063;
  --gold-light: #E0B97C;
  --teal: #2F9E8F;
  --danger: #D2695B;
  --text-title: #F7F3EB;
  --text-body: #C8D4D0;
  --text-muted: #93A6A2;
  --border-soft: rgba(255,255,255,.06);
  --border-gold: rgba(201,160,99,.45);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.22);
  --shadow-hover: 0 18px 44px rgba(0,0,0,.32);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: radial-gradient(ellipse at 20% -10%, rgba(201,160,99,.06), transparent 45%), linear-gradient(180deg, #0F1B1D 0%, #0C1719 100%);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--teal); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--gold-light); }
img { max-width: 100%; height: auto; vertical-align: middle; }
ul, ol { padding-left: 0; }
section[id], div[id] { scroll-margin-top: 96px; }

.site-header { position: sticky; top: 0; z-index: 1080; padding: 16px 0 0; }
.nav-pill {
  background: rgba(18, 30, 32, .72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
  transition: box-shadow .3s ease, background .3s ease;
}
.nav-pill.scrolled {
  box-shadow: 0 18px 44px rgba(0,0,0,.42);
  background: rgba(14, 25, 27, .86);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  margin-right: 0;
  padding-top: 0;
  padding-bottom: 0;
}
.brand-icon {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(201,160,99,.14);
  color: var(--gold);
  font-size: 1.15rem;
  border: 1px solid rgba(201,160,99,.35);
  flex-shrink: 0;
}
.brand-text { font-size: 1.25rem; font-weight: 900; letter-spacing: .04em; color: var(--text-title) !important; }
.nav-link-custom {
  color: var(--text-body) !important;
  font-weight: 500;
  border-radius: 999px;
  padding: 8px 18px !important;
  margin: 0 2px;
  transition: all .25s ease;
  position: relative;
}
.nav-link-custom:hover { color: var(--gold-light) !important; background: rgba(201,160,99,.08); }
.nav-link-custom.active { background: rgba(201,160,99,.16); color: var(--gold-light) !important; font-weight: 700; }
.nav-link-custom:focus { outline: 2px solid var(--teal); outline-offset: 2px; }
.custom-toggler { border: none !important; background: transparent !important; padding: 8px; border-radius: 12px; }
.custom-toggler:focus { box-shadow: 0 0 0 2px var(--teal); }
.custom-toggler .navbar-toggler-icon {
  background-image: none;
  position: relative;
  width: 24px; height: 2px;
  background: var(--gold-light);
  border-radius: 2px;
  box-shadow: 0 -8px 0 var(--gold-light), 0 8px 0 var(--gold-light);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #142225 !important;
  border: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 11px 26px;
  transition: all .3s ease;
  box-shadow: 0 6px 18px rgba(201,160,99,.22);
}
.btn-gold:hover { transform: translateY(-2px); color: #0B1416 !important; box-shadow: 0 10px 28px rgba(201,160,99,.4); }
.btn-gold:focus { outline: 2px solid var(--teal); outline-offset: 2px; }
.btn-outline-light {
  border: 1.5px solid rgba(247,243,235,.55);
  color: var(--text-title) !important;
  border-radius: 999px;
  padding: 11px 26px;
  background: transparent;
  transition: all .3s ease;
  font-weight: 600;
}
.btn-outline-light:hover { background: rgba(201,160,99,.1); border-color: var(--gold-light); color: var(--gold-light) !important; transform: translateY(-2px); }
.btn-outline-light:focus { outline: 2px solid var(--teal); outline-offset: 2px; }
.btn-sm-pill { padding: 8px 22px; font-size: .875rem; }

.article-page-hero {
  padding: 56px 0 48px;
  border-radius: 0 0 28px 28px;
  background: linear-gradient(135deg, rgba(15,27,29,.9), rgba(22,43,46,.82)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 48px;
}
.breadcrumb-wrap { margin-bottom: 20px; }
.breadcrumb-list { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 0; margin: 0; font-size: .875rem; color: var(--text-muted); }
.breadcrumb-list li { display: inline-flex; align-items: center; }
.breadcrumb-list li + li::before { content: "\203A"; color: var(--gold); margin: 0 10px; font-size: 1rem; line-height: 1; }
.breadcrumb-list a { color: var(--text-muted); }
.breadcrumb-list a:hover { color: var(--gold-light); }
.breadcrumb-list .active { color: var(--gold-light); }
.article-h1 { font-size: clamp(1.6rem, 3.2vw, 2.5rem); font-weight: 900; line-height: 1.25; color: var(--text-title); margin: 0 0 18px; letter-spacing: .01em; }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; }
.meta-item { font-size: .875rem; color: var(--text-muted); display: inline-flex; align-items: center; gap: 7px; }
.meta-item i { color: var(--gold); }
.meta-pill { display: inline-block; background: rgba(201,160,99,.14); color: var(--gold-light); font-size: .8125rem; padding: 4px 14px; border-radius: 999px; border: 1px solid rgba(201,160,99,.3); }

.article-body-wrap { padding: 0 0 56px; }
.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 5vw, 56px);
  box-shadow: var(--shadow);
  position: relative;
}
.article-card::before {
  content: "";
  position: absolute;
  top: 0; left: 32px; right: 32px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 0 0 8px 8px;
}
.article-body { max-width: 720px; margin: 0 auto; font-size: 1rem; line-height: 1.85; color: var(--text-body); }
.article-body p { margin: 1.2em 0; }
.article-body h2 { font-size: 1.55rem; font-weight: 800; color: var(--text-title); margin: 1.8em 0 .7em; line-height: 1.3; }
.article-body h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-title); margin: 1.6em 0 .5em; }
.article-body h4 { font-size: 1.1rem; font-weight: 700; color: var(--gold-light); margin: 1.4em 0 .5em; }
.article-body img { border-radius: var(--radius-sm); border: 1px solid var(--border-gold); margin: 1.5em auto; display: block; }
.article-body blockquote { border-left: 4px solid var(--gold); background: rgba(47,158,143,.08); padding: 14px 22px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 1.5em 0; color: var(--text-body); }
.article-body code { background: rgba(47,158,143,.12); color: var(--gold-light); border-radius: 6px; padding: 2px 8px; font-size: .9em; }
.article-body pre { background: rgba(15,27,29,.8); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 16px 20px; overflow-x: auto; }
.article-body ul, .article-body ol { padding-left: 1.5rem; margin: 1.2em 0; }
.article-body li { margin: .5em 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.article-body th, .article-body td { border: 1px solid var(--border-soft); padding: 10px 14px; }
.article-body th { background: var(--bg-soft); color: var(--text-title); }
.article-body a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 4px; }
.article-body a:hover { color: var(--gold); }
.article-empty { padding: 60px 20px; text-align: center; }
.article-empty i { color: var(--gold); font-size: 2.5rem; display: block; margin-bottom: 16px; }
.article-empty p { font-size: 1.1rem; color: var(--text-title); margin: 16px 0 24px; }

.brand-note { padding: 16px 0 72px; }
.brand-note-inner {
  background: radial-gradient(ellipse at 90% 10%, rgba(201,160,99,.07), transparent 50%), var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--shadow);
}
.brand-note h2 { font-size: 1.8rem; font-weight: 800; color: var(--text-title); margin-bottom: 16px; line-height: 1.3; }
.brand-note p { color: var(--text-body); font-size: 1rem; line-height: 1.8; margin-bottom: 0; }
.brand-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; padding: 0; }
.brand-tags li { background: rgba(201,160,99,.12); border: 1px solid rgba(201,160,99,.28); color: var(--gold-light); padding: 6px 16px; border-radius: 999px; font-size: .875rem; }
.brand-note-img { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-gold); box-shadow: var(--shadow); }
.brand-note-img img { width: 100%; height: 260px; object-fit: cover; }

.section-title { font-size: 1.9rem; font-weight: 800; color: var(--text-title); margin-bottom: 28px; position: relative; padding-bottom: 16px; line-height: 1.3; }
.section-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 3px; border-radius: 4px; background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
.related-section { padding: 16px 0 72px; }
.related-card {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .35s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover { transform: translateY(-4px); border-color: var(--border-gold); box-shadow: var(--shadow-hover); }
.related-card .img-wrap { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-soft); position: relative; }
.related-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.related-card:hover .img-wrap img { transform: scale(1.04); }
.related-card .card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.related-card .card-title { font-size: 1.1rem; font-weight: 700; color: var(--text-title); line-height: 1.45; margin-bottom: 12px; }
.related-card .card-title a { color: inherit; }
.related-card .card-title a:hover { color: var(--gold-light); }
.card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.card-date { font-size: .8125rem; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }
.card-date i { color: var(--gold); }
.card-more { color: var(--gold); font-size: .875rem; font-weight: 600; }
.card-more:hover { color: var(--gold-light); }

.cta-section {
  padding: 72px 0;
  margin-bottom: 0;
  background: linear-gradient(135deg, rgba(15,27,29,.94), rgba(28,58,62,.88)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
}
.cta-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at top right, rgba(201,160,99,.18), transparent 60%); }
.cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 1.9rem; font-weight: 800; color: var(--text-title); margin-bottom: 12px; line-height: 1.3; }
.cta-inner p { color: var(--text-body); margin-bottom: 26px; font-size: 1rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

.site-footer { background: var(--bg-deep); border-top: 1px solid rgba(201,160,99,.2); padding: 64px 0 0; }
.footer-top { padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-icon { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(201,160,99,.14); color: var(--gold); font-size: 1.1rem; border: 1px solid rgba(201,160,99,.35); }
.footer-brand .brand-text { font-size: 1.25rem; font-weight: 900; color: var(--text-title); }
.footer-desc { color: var(--text-muted); font-size: .9375rem; line-height: 1.8; max-width: 360px; margin: 0; }
.footer-title { font-size: 1rem; font-weight: 700; color: var(--text-title); margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; border-radius: 2px; background: var(--gold); }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted); font-size: .9375rem; transition: all .25s; }
.footer-links a:hover { color: var(--gold-light); padding-left: 6px; }
.footer-contact { list-style: none; margin: 0; padding: 0; }
.footer-contact li { color: var(--text-muted); font-size: .9375rem; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding: 22px 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.footer-bottom p { margin: 0; color: var(--text-muted); font-size: .875rem; }

@media (max-width: 991.98px) {
  .nav-pill { border-radius: 22px; padding: 14px 20px; }
  .navbar-collapse { background: rgba(14,25,27,.96); border-radius: 20px; padding: 18px; margin-top: 14px; border: 1px solid var(--border-soft); box-shadow: var(--shadow); }
  .nav-link-custom { padding: 12px 18px !important; }
  .article-page-hero { padding: 40px 0 36px; margin-bottom: 36px; }
  .brand-note { padding: 0 0 56px; }
  .related-section { padding: 0 0 56px; }
}
@media (max-width: 767.98px) {
  .article-h1 { font-size: 1.5rem; }
  .article-card { padding: 24px 18px; }
  .section-title { font-size: 1.5rem; }
  .brand-note h2 { font-size: 1.4rem; }
  .cta-section { padding: 48px 20px; }
  .cta-inner h2 { font-size: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
  .brand-note-img img { height: 220px; }
}
@media (max-width: 576.98px) {
  .article-meta { gap: 10px 16px; }
  .related-card .card-title { font-size: 1rem; }
  .brand-tags li { font-size: .8125rem; padding: 5px 12px; }
}