/* roulang page: index */
:root {
    --bg: #F7F8FA;
    --primary: #5A7D9A;
    --primary-dark: #2E4A62;
    --accent: #C9A063;
    --text: #1F2D3A;
    --text-weak: #6B7A8B;
    --border: rgba(90,125,154,0.18);
    --shadow: 0 4px 16px rgba(46,74,98,0.08);
    --shadow-hover: 0 8px 24px rgba(46,74,98,0.12);
    --radius-lg: 16px;
    --radius-btn: 999px;
    --radius-input: 8px;
    --space: 90px;
    --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input {
    font-family: inherit;
    font-size: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.row {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}

.row .columns {
    padding-left: 15px;
    padding-right: 15px;
    display: flex;
    flex-direction: column;
}

.row .columns > .pg-card,
.row .columns > .pg-block {
    width: 100%;
}

.pg-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 64px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(90, 125, 154, 0.18);
    box-shadow: 0 2px 12px rgba(46, 74, 98, 0.06);
    transition: all 0.3s ease;
}

.pg-header.scrolled {
    height: 56px;
    background: #fff;
    border-bottom-color: rgba(46, 74, 98, 0.12);
    box-shadow: 0 4px 16px rgba(46, 74, 98, 0.1);
}

.pg-header-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.pg-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

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

.pg-nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-weak);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: all 0.2s ease;
}

.pg-nav-link:hover {
    color: var(--primary);
    background: rgba(90, 125, 154, 0.08);
}

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

.pg-nav-link.active::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
}

.pg-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pg-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(90, 125, 154, 0.1);
    color: var(--primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pg-search-btn:hover {
    background: var(--primary);
    color: #fff;
}

.pg-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0 8px;
}

.pg-burger span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--primary-dark);
    transition: all 0.25s ease;
}

.pg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.pg-btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(90, 125, 154, 0.2);
}

.pg-btn-primary:hover {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 6px 20px rgba(90, 125, 154, 0.3);
    transform: translateY(-2px);
}

.pg-btn-ghost {
    background: #fff;
    border-color: var(--primary);
    color: var(--primary);
}

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

.pg-btn-sm {
    height: 36px;
    padding: 0 18px;
    font-size: 14px;
}

.pg-section {
    padding: 90px 0;
}

.pg-section-alt {
    background: #EDF1F4;
}

.pg-section-soft {
    background: #fff;
}

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

.pg-section-head {
    margin-bottom: 44px;
}

.pg-section-deco {
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    opacity: 0.7;
    font-weight: 600;
}

.pg-section-title-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 6px;
}

.pg-section-title-wrap i {
    width: 24px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
    flex-shrink: 0;
}

.pg-section-title-wrap h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0;
}

.pg-section-head p {
    margin-top: 10px;
    color: var(--text-weak);
    font-size: 15px;
    max-width: 560px;
}

.pg-hero {
    min-height: 92vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(247, 248, 250, 0.95) 20%, rgba(90, 125, 154, 0.45) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.pg-hero::after {
    content: '';
    position: absolute;
    right: -60px;
    bottom: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 40px rgba(255, 255, 255, 0.08), 0 0 0 80px rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

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

.pg-hero-eyebrow {
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.75);
    display: inline-flex;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(46, 74, 98, 0.06);
}

.pg-hero h1 {
    font-size: 40px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0 0 18px;
    max-width: 640px;
}

.pg-hero-desc {
    font-size: 17px;
    color: var(--text-weak);
    max-width: 520px;
    margin: 0 0 32px;
    line-height: 1.7;
}

.pg-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 16px;
}

.pg-hero-side {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(46, 74, 98, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.pg-hero-stat {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(90, 125, 154, 0.12);
}

.pg-hero-stat:last-child {
    border-bottom: none;
}

.pg-hero-stat b {
    font-size: 30px;
    color: var(--primary);
    font-weight: 700;
    line-height: 1;
    min-width: 56px;
}

.pg-hero-stat span {
    color: var(--text-weak);
    font-size: 14px;
}

.pg-benefit-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(90, 125, 154, 0.08);
    padding: 32px 30px;
    height: 100%;
    position: relative;
    transition: all 0.25s ease;
}

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

.pg-benefit-card.featured {
    border: 1px solid rgba(201, 160, 99, 0.6);
    box-shadow: 0 8px 24px rgba(201, 160, 99, 0.14);
    transform: scale(1.02);
}

.pg-benefit-card.featured:hover {
    box-shadow: 0 12px 32px rgba(201, 160, 99, 0.2);
}

.pg-badge-ribbon {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 14px;
    border-radius: 999px;
    box-shadow: 0 4px 10px rgba(201, 160, 99, 0.35);
}

.pg-benefit-head {
    text-align: center;
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid rgba(90, 125, 154, 0.12);
}

.pg-benefit-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    display: block;
}

.pg-benefit-price {
    display: inline-block;
    margin-top: 4px;
    font-size: 14px;
    color: var(--text-weak);
    background: rgba(90, 125, 154, 0.08);
    border-radius: 999px;
    padding: 2px 14px;
}

.pg-benefit-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pg-benefit-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
    line-height: 1.5;
}

.pg-icon-yes {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.pg-icon-no {
    color: #B6C3CC;
    flex-shrink: 0;
    margin-top: 2px;
}

.pg-level-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 32px 28px;
    height: 100%;
    position: relative;
    transition: all 0.25s ease;
    border-top: 2px solid transparent;
}

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

.pg-level-card.lifted {
    transform: translateY(-12px);
    border-top: 2px solid var(--accent);
    box-shadow: 0 12px 28px rgba(46, 74, 98, 0.1);
}

.pg-level-card.lifted:hover {
    transform: translateY(-16px);
}

.pg-level-top {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.pg-level-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(90, 125, 154, 0.12);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.pg-level-top h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0;
}

.pg-level-card p {
    color: var(--text-weak);
    font-size: 14px;
    margin: 0 0 16px;
}

.pg-level-list {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin-bottom: 20px;
}

.pg-level-list li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--text);
    line-height: 1.5;
}

.pg-level-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
}

.pg-text-link {
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s ease;
}

.pg-text-link:hover {
    gap: 8px;
    color: var(--primary-dark);
}

.pg-preview-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.25s ease;
}

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

.pg-preview-cover {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, #D6E2EB, #EDF1F4);
}

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

.pg-preview-card:hover .pg-preview-cover img {
    transform: scale(1.04);
}

.pg-lock-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(201, 160, 99, 0.95);
    color: #fff;
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 10px rgba(201, 160, 99, 0.35);
}

.pg-preview-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.pg-tag {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(90, 125, 154, 0.12);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    align-self: flex-start;
}

.pg-preview-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 12px 0 6px;
    line-height: 1.4;
}

.pg-preview-body p {
    font-size: 14px;
    color: var(--text-weak);
    margin: 0 0 16px;
    line-height: 1.6;
    flex: 1;
}

.pg-news-feature {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.25s ease;
}

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

.pg-news-cover {
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #D6E2EB, #EDF1F4);
}

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

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

.pg-news-body {
    padding: 22px 24px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.pg-news-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 12px 0 8px;
    line-height: 1.4;
}

.pg-news-body p {
    font-size: 14px;
    color: var(--text-weak);
    margin: 0 0 14px;
    flex: 1;
    line-height: 1.6;
}

.pg-news-meta {
    font-size: 12px;
    color: #9AAEBD;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pg-news-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: #fff;
    border-radius: 12px;
    padding: 14px 18px;
    margin-bottom: 10px;
    box-shadow: 0 2px 8px rgba(46, 74, 98, 0.05);
    transition: all 0.2s ease;
}

.pg-news-list-item:hover {
    box-shadow: 0 4px 16px rgba(46, 74, 98, 0.1);
    transform: translateX(4px);
}

.pg-news-list-text h4 {
    margin: 0 0 4px;
    font-size: 15px;
    color: var(--text);
    font-weight: 600;
    line-height: 1.4;
}

.pg-news-list-text p {
    margin: 0 0 6px;
    color: var(--text-weak);
    font-size: 13px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pg-news-list-meta {
    font-size: 12px;
    color: #9AAEBD;
}

.pg-news-arrow {
    color: var(--primary);
    font-size: 18px;
    flex-shrink: 0;
}

.pg-news-empty {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 60px 24px;
    text-align: center;
    color: var(--text-weak);
    font-size: 15px;
}

.pg-news-empty svg {
    margin: 0 auto 16px;
    color: #C2D0DA;
    display: block;
}

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

.pg-faq-item {
    background: #fff;
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(46, 74, 98, 0.05);
    border: 1px solid rgba(90, 125, 154, 0.08);
    transition: box-shadow 0.2s ease;
}

.pg-faq-item.open {
    box-shadow: 0 4px 16px rgba(46, 74, 98, 0.1);
}

.pg-faq-question {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.pg-faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(90, 125, 154, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    font-size: 14px;
}

.pg-faq-arrow {
    margin-left: auto;
    transition: transform 0.2s ease;
    color: var(--primary);
    flex-shrink: 0;
}

.pg-faq-item.open .pg-faq-arrow {
    transform: rotate(45deg);
}

.pg-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.pg-faq-item.open .pg-faq-answer {
    max-height: 320px;
}

.pg-faq-answer p {
    padding: 0 22px 20px 70px;
    margin: 0;
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.7;
}

.pg-cta-box {
    background: var(--primary-dark);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.pg-cta-box::after {
    content: '';
    position: absolute;
    right: -60px;
    top: -60px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.pg-cta-box::before {
    content: '';
    position: absolute;
    left: 30%;
    bottom: -120px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.pg-cta-box h2 {
    color: #fff;
    font-size: 28px;
    line-height: 1.4;
    margin: 0 0 8px;
    position: relative;
    z-index: 1;
}

.pg-cta-box p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 15px;
    position: relative;
    z-index: 1;
}

.pg-cta-box .pg-btn {
    position: relative;
    z-index: 1;
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 18px rgba(201, 160, 99, 0.3);
}

.pg-cta-box .pg-btn:hover {
    background: #D8B678;
    box-shadow: 0 8px 24px rgba(201, 160, 99, 0.4);
    transform: translateY(-2px);
}

.pg-footer {
    background: #1D2B3A;
    color: rgba(255, 255, 255, 0.75);
    padding: 70px 0 0;
    margin-top: 30px;
}

.pg-footer-brand h3 {
    color: #fff;
    font-size: 20px;
    margin: 0 0 14px;
    font-weight: 700;
}

.pg-footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
    max-width: 320px;
}

.pg-footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 18px;
}

.pg-footer-col ul li {
    margin-bottom: 10px;
    font-size: 14px;
}

.pg-footer-col ul li a {
    transition: color 0.2s ease;
}

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

.pg-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 50px;
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 992px) {
    .pg-hero {
        padding: 120px 0 60px;
    }
    .pg-hero h1 {
        font-size: 34px;
    }
    .pg-cta-box {
        padding: 44px;
    }
    .pg-footer [class*='columns'] {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    .pg-section {
        padding: 56px 0;
    }
    .pg-header-inner {
        padding: 0 16px;
    }
    .pg-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 8px 16px 16px;
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.25s ease;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 24px rgba(46, 74, 98, 0.08);
    }
    .pg-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .pg-nav-link {
        height: 48px;
        display: flex;
        align-items: center;
        padding: 0 12px;
        border-bottom: 1px solid rgba(90, 125, 154, 0.1);
        border-radius: 0;
    }
    .pg-nav-link.active::after {
        display: none;
    }
    .pg-nav-link.active {
        color: var(--primary);
        font-weight: 600;
    }
    .pg-burger {
        display: flex;
    }
    .pg-header-actions .pg-btn-sm {
        display: none;
    }
    .pg-hero {
        min-height: auto;
        padding: 110px 0 56px;
    }
    .pg-hero h1 {
        font-size: 29px;
    }
    .pg-hero-desc {
        font-size: 15px;
    }
    .pg-hero-side {
        margin-top: 32px;
    }
    .pg-section-title-wrap h2 {
        font-size: 24px;
    }
    .pg-benefit-card,
    .pg-level-card {
        margin-bottom: 20px;
    }
    .pg-level-card.lifted {
        transform: translateY(0);
    }
    .pg-level-card.lifted:hover {
        transform: translateY(-4px);
    }
    .pg-preview-card {
        margin-bottom: 20px;
    }
    .pg-news-list-item {
        margin-top: 12px;
    }
    .pg-faq-answer p {
        padding: 0 18px 18px 20px;
    }
    .pg-faq-question {
        padding: 16px 18px;
        font-size: 15px;
    }
    .pg-cta-box {
        padding: 36px 28px;
        border-radius: 20px;
    }
    .pg-cta-box h2 {
        font-size: 22px;
    }
    .pg-footer {
        padding-top: 56px;
    }
}

@media (max-width: 576px) {
    .pg-hero h1 {
        font-size: 26px;
    }
    .pg-hero-actions .pg-btn {
        width: 100%;
    }
    .pg-hero-stat b {
        font-size: 26px;
    }
    .pg-section-head p {
        font-size: 14px;
    }
}

/* roulang page: category1 */
:root {
  --pg-primary: #5A7D9A;
  --pg-dark: #2E4A62;
  --pg-gold: #C9A063;
  --pg-bg: #F7F8FA;
  --pg-text: #2C3E50;
  --pg-text-light: #6B7B8D;
  --pg-border: rgba(90, 125, 154, 0.18);
  --pg-footer-bg: #1D2B3A;
  --pg-radius-card: 16px;
  --pg-radius-btn: 999px;
  --pg-radius-input: 8px;
  --pg-shadow-card: 0 4px 16px rgba(46, 74, 98, 0.08);
  --pg-shadow-hover: 0 8px 24px rgba(46, 74, 98, 0.12);
  --pg-font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--pg-font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--pg-text);
  background: var(--pg-bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--pg-primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--pg-dark); }

button { font-family: inherit; cursor: pointer; }

input, textarea { font-family: inherit; }

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

.pg-container-narrow { max-width: 960px; }

/* Header */
.pg-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(90, 125, 154, 0.18);
  box-shadow: 0 2px 12px rgba(46, 74, 98, 0.06);
  transition: all 0.3s ease;
}

.pg-header.scrolled {
  background: #fff;
  border-bottom-color: rgba(46, 74, 98, 0.12);
  box-shadow: 0 4px 20px rgba(46, 74, 98, 0.10);
  height: 56px;
}

.pg-header-inner {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.pg-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--pg-dark);
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.pg-logo:hover { opacity: 0.85; color: var(--pg-dark); }

.pg-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.pg-nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--pg-text);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.pg-nav-link:hover {
  color: var(--pg-primary);
  background: rgba(90, 125, 154, 0.06);
}

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

.pg-nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--pg-primary);
}

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

.pg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--pg-radius-btn);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}

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

.pg-btn-primary:hover {
  background: linear-gradient(135deg, var(--pg-primary) 0%, var(--pg-gold) 100%);
  border-color: var(--pg-gold);
  color: #fff;
  box-shadow: 0 6px 20px rgba(201, 160, 99, 0.35);
  transform: translateY(-1px);
}

.pg-btn-outline {
  background: #fff;
  color: var(--pg-primary);
  border-color: var(--pg-primary);
}

.pg-btn-outline:hover {
  background: var(--pg-primary);
  color: #fff;
  border-color: var(--pg-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(90, 125, 154, 0.25);
}

.pg-btn-lg { height: 52px; padding: 0 36px; font-size: 16px; }

.pg-btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }

.pg-btn:focus-visible,
.pg-nav-link:focus-visible,
.pg-search-btn:focus-visible,
.pg-burger:focus-visible {
  outline: 2px solid var(--pg-gold);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(201, 160, 99, 0.25);
}

.pg-search-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--pg-radius-btn);
  color: var(--pg-dark);
  border: 1px solid rgba(90, 125, 154, 0.18);
  background: rgba(255, 255, 255, 0.6);
  transition: all 0.2s ease;
}

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

.pg-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid rgba(90, 125, 154, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
}

.pg-burger span {
  display: block;
  height: 2px;
  background: var(--pg-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero */
.pg-cat-hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background:
    linear-gradient(to bottom, rgba(46, 74, 98, 0.86), rgba(46, 74, 98, 0.68)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 140px 24px 80px;
  overflow: hidden;
}

.pg-cat-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -60px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  pointer-events: none;
}

.pg-cat-hero::before {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

.pg-cat-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.pg-cat-hero h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 16px;
  letter-spacing: 0.5px;
}

.pg-cat-hero p {
  font-size: 16px;
  line-height: 1.7;
  margin: 0 auto;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.88);
}

.pg-cat-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: var(--pg-radius-btn);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 20px;
  color: #fff;
}

/* Sections */
.pg-section {
  padding: 90px 0;
}

.pg-section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}

.pg-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--pg-gold);
  margin-bottom: 8px;
}

.pg-section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--pg-dark);
  line-height: 1.3;
  margin: 0 0 12px;
  position: relative;
}

.pg-section-head h2::before {
  content: "";
  display: block;
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: var(--pg-primary);
  margin: 0 auto 16px;
}

.pg-section-head p {
  color: var(--pg-text-light);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}

/* Left-right guide main */
.pg-guide-main {
  background: var(--pg-bg);
  padding: 90px 0;
}

.pg-text-block h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--pg-dark);
  margin: 0 0 16px;
  line-height: 1.35;
}

.pg-text-block .pg-eyebrow {
  margin-bottom: 10px;
}

.pg-text-block p {
  color: var(--pg-text);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 16px;
}

.pg-text-block a.pg-btn {
  margin-top: 8px;
}

.pg-preview-card {
  position: relative;
  border-radius: var(--pg-radius-card);
  overflow: hidden;
  box-shadow: var(--pg-shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid rgba(90, 125, 154, 0.12);
  background: #e8edf2;
  min-height: 260px;
}

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

.pg-preview-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.pg-preview-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  border-radius: var(--pg-radius-btn);
  background: var(--pg-gold);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(201, 160, 99, 0.4);
}

/* Steps / feature cards */
.pg-step-section {
  background: #fff;
  border-top: 1px solid rgba(90, 125, 154, 0.08);
  border-bottom: 1px solid rgba(90, 125, 154, 0.08);
}

.pg-step-card {
  background: #fff;
  border-radius: var(--pg-radius-card);
  padding: 32px 28px;
  box-shadow: var(--pg-shadow-card);
  border: 1px solid rgba(90, 125, 154, 0.10);
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.pg-step-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--pg-dark);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pg-step-card h3 i {
  color: var(--pg-primary);
  font-size: 20px;
}

.pg-step-card ol,
.pg-step-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pg-step-card ol li,
.pg-step-card ul li {
  position: relative;
  padding: 12px 0 12px 36px;
  border-bottom: 1px solid rgba(90, 125, 154, 0.08);
  font-size: 15px;
  line-height: 1.65;
  color: var(--pg-text);
}

.pg-step-card ol li:last-child,
.pg-step-card ul li:last-child {
  border-bottom: none;
}

.pg-step-card ol li::before {
  content: attr(data-num);
  position: absolute;
  left: 0;
  top: 12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(90, 125, 154, 0.12);
  color: var(--pg-primary);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pg-step-card ul li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 14px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(90, 125, 154, 0.12);
  color: var(--pg-primary);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* FAQ */
.pg-faq-section {
  background: var(--pg-bg);
}

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

.pg-faq-item {
  background: #fff;
  border: 1px solid rgba(90, 125, 154, 0.12);
  border-radius: 14px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(46, 74, 98, 0.04);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.pg-faq-item:hover {
  box-shadow: 0 4px 16px rgba(46, 74, 98, 0.08);
}

.pg-faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 22px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--pg-dark);
  cursor: pointer;
}

.pg-faq-q .pg-faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(90, 125, 154, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pg-primary);
  font-size: 13px;
  transition: background 0.2s ease;
}

.pg-faq-q:hover .pg-faq-icon {
  background: var(--pg-primary);
  color: #fff;
}

.pg-faq-chevron {
  margin-left: auto;
  color: var(--pg-text-light);
  font-size: 14px;
  transition: transform 0.2s ease;
}

.pg-faq-item.open .pg-faq-chevron {
  transform: rotate(180deg);
}

.pg-faq-a {
  display: none;
  padding: 0 22px 20px 64px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pg-text-light);
}

.pg-faq-item.open .pg-faq-a {
  display: block;
}

/* CTA */
.pg-cta-section {
  padding: 90px 0;
  background: var(--pg-bg);
}

.pg-cta-card {
  background: linear-gradient(135deg, #24465e 0%, var(--pg-dark) 60%, #55748a 100%);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(46, 74, 98, 0.18);
}

.pg-cta-card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
}

.pg-cta-card h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 12px;
}

.pg-cta-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 auto 28px;
  max-width: 520px;
}

/* Footer */
.pg-footer {
  background: var(--pg-footer-bg);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 60px;
  font-size: 15px;
}

.pg-footer .pg-container {
  padding-bottom: 40px;
}

.pg-footer-brand h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 14px;
}

.pg-footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin: 0;
  font-size: 14px;
  max-width: 360px;
}

.pg-footer-col h4 {
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px;
}

.pg-footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pg-footer-col ul li {
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.pg-footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s, padding-left 0.2s;
}

.pg-footer-col ul li a:hover {
  color: var(--pg-gold);
  padding-left: 4px;
}

.pg-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
}

/* Responsive */
@media (max-width: 1200px) {
  .pg-container { padding-left: 20px; padding-right: 20px; }
}

@media (max-width: 992px) {
  .pg-nav { gap: 4px; }
  .pg-nav-link { padding: 8px 10px; font-size: 14px; }
}

@media (max-width: 768px) {
  .pg-header-inner { padding: 0 16px; }

  .pg-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(46, 74, 98, 0.10);
    border-bottom: 1px solid rgba(90, 125, 154, 0.12);
    display: none;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }

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

  .pg-nav-link {
    padding: 14px 12px;
    font-size: 15px;
    border-bottom: 1px solid rgba(90, 125, 154, 0.06);
    border-radius: 0;
  }

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

  .pg-nav-link.active {
    background: rgba(90, 125, 154, 0.08);
    border-radius: 8px;
  }

  .pg-burger { display: flex; }

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

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

  .pg-cat-hero { min-height: 40vh; padding: 120px 20px 60px; }
  .pg-cat-hero h1 { font-size: 30px; }

  .pg-guide-main { padding: 56px 0; }

  .pg-text-block { margin-bottom: 32px; }

  .pg-preview-card img { height: 240px; }

  .pg-step-card { margin-bottom: 20px; }

  .pg-cta-card { padding: 40px 24px; }
  .pg-cta-card h2 { font-size: 23px; }

  .pg-footer { padding-top: 40px; }
  .pg-footer-brand { margin-bottom: 28px; }
  .pg-footer-col { margin-bottom: 20px; }
}

@media (max-width: 576px) {
  body { font-size: 15px; }

  .pg-header { height: 58px; }
  .pg-header.scrolled { height: 52px; }

  .pg-logo { font-size: 18px; }

  .pg-cat-hero h1 { font-size: 26px; }
  .pg-cat-hero p { font-size: 15px; }

  .pg-section-head h2 { font-size: 23px; }

  .pg-text-block h2 { font-size: 22px; }

  .pg-step-card { padding: 24px 18px; }

  .pg-cta-card h2 { font-size: 21px; }
  .pg-cta-card p { font-size: 14px; }

  .pg-faq-q { padding: 16px; font-size: 15px; }
  .pg-faq-a { padding: 0 16px 18px 48px; font-size: 14px; }

  .pg-btn-lg { height: 46px; padding: 0 24px; font-size: 15px; }
}

::selection {
  background: rgba(90, 125, 154, 0.2);
  color: var(--pg-dark);
}

.pg-guide-main .row {
  align-items: center;
}

.pg-step-section .row {
  display: flex;
  flex-wrap: wrap;
}

/* roulang page: article */
:root {
    --pg-bg: #F7F8FA;
    --pg-primary: #5A7D9A;
    --pg-primary-dark: #3E5E78;
    --pg-deep: #2E4A62;
    --pg-darker: #1D2B3A;
    --pg-gold: #C9A063;
    --pg-white: #ffffff;
    --pg-text: #2B3A47;
    --pg-text-light: #6B7B8A;
    --pg-border: #E3E9EF;
    --pg-radius: 16px;
    --pg-radius-btn: 999px;
    --pg-radius-input: 8px;
    --pg-shadow: 0 4px 16px rgba(46,74,98,0.08);
    --pg-shadow-hover: 0 8px 24px rgba(46,74,98,0.12);
    --pg-font: "Noto Sans SC","Microsoft YaHei","PingFang SC","Helvetica Neue",sans-serif;
    --pg-transition: all .28s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--pg-font);
    font-size: 15px;
    line-height: 1.7;
    color: var(--pg-text);
    background: var(--pg-bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--pg-primary);
    text-decoration: none;
    transition: var(--pg-transition);
}

a:hover {
    color: var(--pg-primary-dark);
}

ul, ol {
    list-style-position: inside;
}

button {
    font-family: var(--pg-font);
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: var(--pg-font);
}

:focus-visible {
    outline: 2px solid rgba(90,125,154,0.55);
    outline-offset: 2px;
}

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

.pg-section {
    padding: 90px 0;
}

.pg-section-head {
    margin-bottom: 46px;
    padding-left: 24px;
    position: relative;
}

.pg-section-head::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 4px;
    height: 28px;
    background: var(--pg-primary);
    border-radius: 4px;
}

.pg-section-deco {
    display: block;
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--pg-primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.pg-section-head h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--pg-deep);
    line-height: 1.35;
}

.pg-section-sub {
    font-size: 14px;
    color: var(--pg-text-light);
    margin-top: 8px;
    max-width: 620px;
}

.pg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 28px;
    border-radius: var(--pg-radius-btn);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: var(--pg-transition);
    white-space: nowrap;
}

.pg-btn-primary {
    background: var(--pg-primary);
    color: #fff;
}

.pg-btn-primary:hover {
    background: linear-gradient(135deg, var(--pg-gold), #b78a4e);
    color: #fff;
    box-shadow: 0 6px 20px rgba(201,160,99,0.35);
    transform: translateY(-1px);
}

.pg-btn-outline {
    background: #fff;
    color: var(--pg-primary);
    border-color: var(--pg-primary);
}

.pg-btn-outline:hover {
    background: var(--pg-primary);
    color: #fff;
    border-color: var(--pg-primary);
    box-shadow: var(--pg-shadow);
}

.pg-btn-sm {
    height: 36px;
    padding: 0 18px;
    font-size: 13px;
    border-radius: var(--pg-radius-btn);
}

.pg-btn:focus-visible {
    outline: 2px solid rgba(90,125,154,0.55);
    outline-offset: 2px;
}

/* ===== 导航 ===== */
.pg-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(90,125,154,0.18);
    box-shadow: 0 2px 12px rgba(46,74,98,0.06);
    transition: background .3s ease, box-shadow .3s ease, border-color .3s ease, height .3s ease;
    height: 64px;
}

.pg-header.scrolled {
    background: #fff;
    border-bottom-color: rgba(46,74,98,0.12);
    box-shadow: 0 4px 18px rgba(46,74,98,0.1);
    height: 56px;
}

.pg-header-inner {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.pg-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--pg-deep);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.pg-logo:hover {
    color: var(--pg-primary);
}

.pg-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pg-nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--pg-text);
    padding: 8px 14px;
    border-radius: 8px;
    transition: var(--pg-transition);
}

.pg-nav-link:hover {
    color: var(--pg-primary);
    background: rgba(90,125,154,0.08);
}

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

.pg-nav-link.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: var(--pg-primary);
    border-radius: 2px;
}

.pg-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pg-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--pg-text);
    border: 1px solid rgba(90,125,154,0.25);
    background: rgba(255,255,255,0.6);
    transition: var(--pg-transition);
}

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

.pg-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border-radius: 8px;
    background: rgba(90,125,154,0.1);
    transition: var(--pg-transition);
}

.pg-burger span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--pg-deep);
    transition: var(--pg-transition);
}

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

.pg-burger.is-open span:nth-child(2) {
    opacity: 0;
}

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

/* ===== 文章 Hero ===== */
.pg-article-hero {
    position: relative;
    padding: 140px 0 64px;
    background: linear-gradient(135deg, rgba(46,74,98,0.78) 0%, rgba(90,125,154,0.5) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}

.pg-article-hero::after {
    content: "";
    position: absolute;
    right: -80px;
    bottom: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    pointer-events: none;
}

.pg-breadcrumb {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.82);
    margin-bottom: 20px;
    padding: 0;
}

.pg-breadcrumb li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pg-breadcrumb li::after {
    content: "/";
    color: rgba(255,255,255,0.5);
}

.pg-breadcrumb li:last-child::after {
    display: none;
}

.pg-breadcrumb a {
    color: rgba(255,255,255,0.82);
    transition: var(--pg-transition);
}

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

.pg-article-title {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.4;
    color: #fff;
    margin-bottom: 20px;
    max-width: 880px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.18);
}

.pg-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    font-size: 14px;
    color: rgba(255,255,255,0.85);
}

.pg-article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pg-article-meta i {
    color: rgba(255,255,255,0.6);
}

.pg-meta-tag {
    background: rgba(255,255,255,0.18);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    backdrop-filter: blur(4px);
}

/* ===== 正文区 ===== */
.pg-article-body {
    padding: 40px 0 20px;
}

.pg-article-card {
    background: #fff;
    border-radius: var(--pg-radius);
    box-shadow: var(--pg-shadow);
    max-width: 860px;
    margin: 0 auto;
    padding: 56px 64px;
}

.pg-article-content {
    font-size: 16px;
    line-height: 1.75;
    color: var(--pg-text);
}

.pg-article-content > p {
    margin-bottom: 20px;
}

.pg-article-content > p:first-of-type {
    font-size: 18px;
    color: var(--pg-deep);
}

.pg-article-content h1,
.pg-article-content h2,
.pg-article-content h3,
.pg-article-content h4 {
    color: var(--pg-deep);
    margin-top: 36px;
    margin-bottom: 14px;
    line-height: 1.45;
    font-weight: 600;
}

.pg-article-content h1 { font-size: 26px; }
.pg-article-content h2 { font-size: 24px; }
.pg-article-content h3 { font-size: 19px; }
.pg-article-content h4 { font-size: 17px; }

.pg-article-content a {
    color: var(--pg-primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}

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

.pg-article-content blockquote {
    margin: 24px 0;
    padding: 20px 24px;
    background: #F0F3F6;
    border-left: 4px solid var(--pg-primary);
    border-radius: 12px;
    font-style: italic;
    color: var(--pg-text-light);
}

.pg-article-content ul,
.pg-article-content ol {
    margin: 18px 0;
    padding-left: 24px;
}

.pg-article-content li {
    margin-bottom: 8px;
}

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

.pg-article-content ol li::marker {
    font-weight: 600;
    color: var(--pg-primary);
}

.pg-article-content img {
    border-radius: 12px;
    margin: 24px 0;
    box-shadow: var(--pg-shadow);
}

.pg-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}

.pg-article-content table th {
    background: var(--pg-deep);
    color: #fff;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}

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

.pg-article-content table tr:nth-child(even) td {
    background: #F7F9FB;
}

.pg-article-content hr {
    margin: 32px 0;
    border: none;
    height: 1px;
    background: var(--pg-border);
}

.pg-article-empty {
    text-align: center;
    padding: 60px 20px;
}

.pg-article-empty i {
    font-size: 48px;
    color: var(--pg-border);
    margin-bottom: 16px;
    display: inline-block;
}

.pg-article-empty p {
    font-size: 20px;
    color: var(--pg-text);
    font-weight: 600;
    margin-bottom: 8px;
}

.pg-article-empty span {
    font-size: 14px;
    color: var(--pg-text-light);
    display: block;
    margin-bottom: 24px;
}

/* ===== 文末标签 + 分享 ===== */
.pg-article-foot {
    padding: 20px 0 60px;
}

.pg-article-foot-inner {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 0;
    border-top: 1px solid var(--pg-border);
}

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

.pg-tag {
    display: inline-block;
    padding: 5px 14px;
    background: #EEF2F5;
    color: var(--pg-primary);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    transition: var(--pg-transition);
}

.pg-tag:hover {
    background: var(--pg-primary);
    color: #fff;
}

.pg-article-share {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--pg-text-light);
}

.pg-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #F0F3F6;
    color: var(--pg-text-light);
    font-size: 14px;
    transition: var(--pg-transition);
}

.pg-share-btn:hover {
    background: var(--pg-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== 相关推荐 ===== */
.pg-related {
    padding: 70px 0 80px;
    background: #F0F3F6;
}

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

.pg-related-card {
    background: #fff;
    border-radius: var(--pg-radius);
    box-shadow: var(--pg-shadow);
    overflow: hidden;
    transition: var(--pg-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.pg-related-img {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.pg-related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

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

.pg-related-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(46,74,98,0) 55%, rgba(46,74,98,0.25));
    pointer-events: none;
}

.pg-related-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.pg-related-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--pg-deep);
    line-height: 1.5;
    margin-bottom: 8px;
}

.pg-related-body h3 a {
    color: inherit;
}

.pg-related-body h3 a:hover {
    color: var(--pg-primary);
}

.pg-related-body p {
    font-size: 13px;
    color: var(--pg-text-light);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 12px;
}

.pg-related-cat {
    font-size: 12px;
    color: var(--pg-primary);
    background: #EEF2F5;
    padding: 3px 10px;
    border-radius: 999px;
    align-self: flex-start;
}

/* ===== 返回入口 ===== */
.pg-back-entry {
    padding: 50px 0 20px;
    text-align: center;
}

/* ===== CTA ===== */
.pg-cta {
    padding: 40px 0 90px;
}

.pg-cta-inner {
    background: var(--pg-darker);
    border-radius: 24px;
    padding: 60px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 28px;
    position: relative;
    overflow: hidden;
}

.pg-cta-inner::after {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(201,160,99,0.14);
    pointer-events: none;
}

.pg-cta-text {
    max-width: 480px;
}

.pg-cta-text h2 {
    color: #fff;
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.pg-cta-text p {
    color: rgba(255,255,255,0.78);
    font-size: 15px;
    line-height: 1.7;
}

.pg-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.pg-cta .pg-btn-gold {
    background: var(--pg-gold);
    color: #fff;
}

.pg-cta .pg-btn-gold:hover {
    background: linear-gradient(135deg, #d8b47a, var(--pg-gold));
    box-shadow: 0 6px 24px rgba(201,160,99,0.4);
    transform: translateY(-2px);
}

.pg-cta .pg-btn-ghost {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
}

.pg-cta .pg-btn-ghost:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
}

/* ===== 页脚 ===== */
.pg-footer {
    background: var(--pg-darker);
    color: rgba(255,255,255,0.82);
    padding: 60px 0 0;
}

.pg-footer .row {
    max-width: 1200px;
    margin: 0 auto;
}

.pg-footer-brand h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.pg-footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255,255,255,0.62);
    max-width: 360px;
}

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

.pg-footer-col ul {
    list-style: none;
    padding: 0;
}

.pg-footer-col ul li {
    margin-bottom: 10px;
    font-size: 14px;
    color: rgba(255,255,255,0.62);
}

.pg-footer-col a {
    color: rgba(255,255,255,0.62);
    font-size: 14px;
}

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

.pg-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 44px;
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .pg-nav {
        gap: 4px;
    }
    .pg-nav-link {
        padding: 8px 10px;
        font-size: 14px;
    }
    .pg-article-card {
        padding: 44px 36px;
    }
    .pg-cta-inner {
        padding: 48px 36px;
    }
}

@media (max-width: 768px) {
    .pg-section {
        padding: 56px 0;
    }
    .pg-header {
        height: 56px;
    }
    .pg-header.scrolled {
        height: 52px;
    }
    .pg-burger {
        display: flex;
    }
    .pg-nav {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 12px 24px 20px;
        gap: 4px;
        border-bottom: 1px solid var(--pg-border);
        box-shadow: 0 12px 24px rgba(46,74,98,0.12);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: var(--pg-transition);
        z-index: 999;
    }
    .pg-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .pg-nav-link {
        display: block;
        height: 48px;
        display: flex;
        align-items: center;
        font-size: 15px;
        border-bottom: 1px solid #F0F3F6;
        border-radius: 0;
        padding: 0 8px;
    }
    .pg-nav-link:last-child {
        border-bottom: none;
    }
    .pg-nav-link.active::after {
        display: none;
    }
    .pg-nav-link.active {
        background: rgba(90,125,154,0.08);
    }
    .pg-article-hero {
        padding: 110px 0 44px;
    }
    .pg-article-title {
        font-size: 26px;
    }
    .pg-article-card {
        padding: 32px 22px;
    }
    .pg-article-content {
        font-size: 15px;
    }
    .pg-article-content > p:first-of-type {
        font-size: 16px;
    }
    .pg-section-head h2 {
        font-size: 24px;
    }
    .pg-related {
        padding: 56px 0 60px;
    }
    .pg-back-entry {
        padding: 36px 0 12px;
    }
    .pg-cta {
        padding: 30px 0 56px;
    }
    .pg-cta-inner {
        padding: 40px 24px;
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .pg-cta-actions {
        justify-content: center;
    }
    .pg-footer {
        padding-top: 44px;
    }
    .pg-footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    .pg-container {
        padding: 0 16px;
    }
    .pg-logo {
        font-size: 17px;
    }
    .pg-header-inner {
        padding: 0 16px;
        gap: 12px;
    }
    .pg-btn-sm {
        height: 32px;
        padding: 0 12px;
        font-size: 12px;
    }
    .pg-search-btn {
        width: 32px;
        height: 32px;
    }
    .pg-article-title {
        font-size: 22px;
    }
    .pg-article-meta {
        gap: 10px;
        font-size: 13px;
    }
    .pg-article-card {
        padding: 24px 16px;
        border-radius: 12px;
    }
    .pg-article-content h2 {
        font-size: 20px;
    }
    .pg-article-content h3 {
        font-size: 17px;
    }
    .pg-section-head {
        padding-left: 16px;
    }
    .pg-section-head::before {
        height: 22px;
        top: 8px;
    }
    .pg-section-head h2 {
        font-size: 21px;
    }
    .pg-related-body h3 {
        font-size: 16px;
    }
    .pg-cta-text h2 {
        font-size: 21px;
    }
    .pg-cta-inner {
        border-radius: 16px;
    }
}

/* roulang page: category2 */
:root {
    --pg-primary: #5A7D9A;
    --pg-primary-light: #7a9ab5;
    --pg-primary-dark: #486780;
    --pg-dark: #2E4A62;
    --pg-darker: #1D2B3A;
    --pg-accent: #C9A063;
    --pg-accent-light: #dcb877;
    --pg-bg: #F7F8FA;
    --pg-white: #ffffff;
    --pg-text: #2b3a47;
    --pg-text-light: #6b7b8a;
    --pg-border: rgba(90, 125, 154, 0.18);
    --pg-shadow: 0 4px 16px rgba(46, 74, 98, 0.08);
    --pg-shadow-lg: 0 8px 24px rgba(46, 74, 98, 0.12);
    --pg-radius: 16px;
    --pg-radius-btn: 999px;
    --pg-radius-input: 8px;
    --pg-space: 90px;
    --pg-space-mobile: 56px;
    --pg-font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--pg-font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--pg-text);
    background-color: var(--pg-bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--pg-primary); transition: color .25s ease; }
a:hover { color: var(--pg-primary-dark); }
ul { list-style: none; }
button { font-family: inherit; border: none; cursor: pointer; background: none; }

.row {
    max-width: 1200px;
    margin: 0 auto;
}

.columns, .column {
    padding-left: 0.9375rem;
    padding-right: 0.9375rem;
}

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

/* ===== Header / Nav ===== */
.pg-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 64px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(90, 125, 154, 0.18);
    box-shadow: 0 2px 12px rgba(46, 74, 98, 0.06);
    transition: all .3s ease;
}
.pg-header.is-scrolled {
    height: 56px;
    background: #fff;
    border-bottom-color: rgba(46, 74, 98, 0.12);
    box-shadow: 0 4px 20px rgba(46, 74, 98, 0.1);
}
.pg-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.pg-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--pg-dark);
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.pg-logo:hover { color: var(--pg-primary); }
.pg-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: 32px;
}
.pg-nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--pg-text);
    line-height: 64px;
    padding: 0 4px;
    transition: color .25s ease;
}
.pg-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--pg-primary);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform .25s ease;
}
.pg-nav-link:hover { color: var(--pg-primary); }
.pg-nav-link:hover::after { transform: scaleX(0.6); }
.pg-nav-link.active { color: var(--pg-primary); }
.pg-nav-link.active::after { transform: scaleX(1); }
.pg-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 12px;
}
.pg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--pg-radius-btn);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all .3s ease;
    white-space: nowrap;
}
.pg-btn-primary {
    background: var(--pg-primary);
    color: #fff;
}
.pg-btn-primary:hover {
    background: linear-gradient(135deg, var(--pg-accent), var(--pg-accent-light));
    color: #fff;
    box-shadow: 0 6px 20px rgba(201, 160, 99, 0.4);
    transform: translateY(-1px);
}
.pg-btn-sm { height: 36px; padding: 0 18px; font-size: 14px; }
.pg-btn-outline {
    background: #fff;
    color: var(--pg-primary);
    border-color: var(--pg-primary);
}
.pg-btn-outline:hover {
    background: var(--pg-primary);
    color: #fff;
    border-color: var(--pg-primary);
}
.pg-btn-accent {
    background: linear-gradient(135deg, var(--pg-accent), var(--pg-accent-light));
    color: #fff;
    box-shadow: 0 6px 20px rgba(201, 160, 99, 0.35);
}
.pg-btn-accent:hover {
    background: linear-gradient(135deg, var(--pg-accent-light), var(--pg-accent));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(201, 160, 99, 0.45);
}
.pg-btn:focus-visible {
    outline: 2px solid var(--pg-accent);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(201, 160, 99, 0.25);
}
.pg-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--pg-text);
    transition: all .25s ease;
}
.pg-search-btn:hover {
    background: rgba(90, 125, 154, 0.1);
    color: var(--pg-primary);
}
.pg-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    padding: 8px;
    background: rgba(90, 125, 154, 0.08);
}
.pg-burger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--pg-dark);
    border-radius: 2px;
    transition: all .3s ease;
}
.pg-burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.pg-burger.is-active span:nth-child(2) { opacity: 0; }
.pg-burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.pg-hero-cat2 {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(135deg, rgba(46, 74, 98, 0.55), rgba(46, 74, 98, 0.35)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    padding: 120px 0 60px;
    color: #fff;
}
.pg-hero-cat2 .pg-container {
    position: relative;
    z-index: 2;
}
.pg-hero-cat2 h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 14px;
    letter-spacing: 1px;
}
.pg-hero-cat2 .pg-hero-sub {
    font-size: 17px;
    opacity: 0.92;
    max-width: 580px;
    line-height: 1.8;
    margin-bottom: 24px;
}
.pg-hero-cat2 .pg-hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--pg-radius-btn);
    padding: 8px 20px;
    font-size: 14px;
    backdrop-filter: blur(6px);
}
.pg-hero-cat2 .pg-hero-meta i { color: var(--pg-accent-light); font-style: normal; }

/* ===== Section base ===== */
.pg-section {
    padding: var(--pg-space) 0;
}
.pg-section-alt {
    background: var(--pg-white);
}
.pg-section-head {
    margin-bottom: 48px;
}
.pg-section-head .pg-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--pg-primary);
    font-weight: 600;
    margin-bottom: 12px;
}
.pg-section-head .pg-eyebrow::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--pg-primary);
    border-radius: 2px;
    display: inline-block;
}
.pg-section-head h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--pg-dark);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
    line-height: 1.4;
}
.pg-section-head .pg-lead {
    font-size: 15px;
    color: var(--pg-text-light);
    max-width: 720px;
    line-height: 1.8;
}

/* ===== Card wide ===== */
.pg-cardwide {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    background-image: linear-gradient(105deg, rgba(29, 43, 58, 0.92), rgba(46, 74, 98, 0.75)), url('/assets/images/backpic/back-3.webp');
    background-size: cover;
    background-position: center;
    padding: 64px;
    color: #fff;
    box-shadow: var(--pg-shadow-lg);
    margin-bottom: 24px;
}
.pg-cardwide h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
}
.pg-cardwide p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
    max-width: 640px;
    margin-bottom: 32px;
}
.pg-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}
.pg-stat {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--pg-radius);
    padding: 20px 28px;
    text-align: center;
    backdrop-filter: blur(6px);
    min-width: 120px;
}
.pg-stat b {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--pg-accent-light);
    line-height: 1.2;
}
.pg-stat span {
    font-size: 13px;
    opacity: 0.85;
    display: block;
    margin-top: 6px;
}
.pg-cardwide .pg-cardwide-tag {
    display: inline-block;
    background: rgba(201, 160, 99, 0.2);
    border: 1px solid rgba(201, 160, 99, 0.4);
    color: var(--pg-accent-light);
    font-size: 13px;
    border-radius: var(--pg-radius-btn);
    padding: 4px 14px;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

/* ===== Steps ===== */
.pg-steps {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.pg-step-item {
    flex: 1;
    min-width: 220px;
    background: var(--pg-white);
    border-radius: var(--pg-radius);
    padding: 32px 28px;
    border: 1px solid var(--pg-border);
    box-shadow: var(--pg-shadow);
    transition: all .3s ease;
}
.pg-step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--pg-shadow-lg);
}
.pg-step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(90, 125, 154, 0.12);
    color: var(--pg-primary);
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.pg-step-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--pg-dark);
    margin-bottom: 8px;
}
.pg-step-item p {
    font-size: 14px;
    color: var(--pg-text-light);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== Dual list ===== */
.pg-group-card {
    background: var(--pg-white);
    border-radius: var(--pg-radius);
    padding: 36px 32px;
    border: 1px solid var(--pg-border);
    box-shadow: var(--pg-shadow);
    height: 100%;
    transition: box-shadow .3s ease;
}
.pg-group-card:hover {
    box-shadow: var(--pg-shadow-lg);
}
.pg-group-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--pg-dark);
    margin-bottom: 20px;
}
.pg-group-title .pg-group-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(90, 125, 154, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pg-primary);
    font-size: 16px;
    font-weight: 700;
}
.pg-list-block {
    border-top: 1px solid var(--pg-border);
}
.pg-list-item {
    display: flex;
    gap: 20px;
    padding: 26px 0;
    border-bottom: 1px solid var(--pg-border);
    transition: background .2s ease;
}
.pg-list-item:last-child {
    border-bottom: none;
}
.pg-list-num {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(90, 125, 154, 0.1);
    color: var(--pg-primary);
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(90, 125, 154, 0.12);
}
.pg-list-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--pg-dark);
    margin-bottom: 6px;
    line-height: 1.4;
}
.pg-list-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--pg-text-light);
    margin-bottom: 0;
}

/* ===== Scene cards ===== */
.pg-scene-grid {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.pg-scene-card {
    flex: 1;
    min-width: 260px;
    background: var(--pg-white);
    border-radius: var(--pg-radius);
    overflow: hidden;
    border: 1px solid var(--pg-border);
    box-shadow: var(--pg-shadow);
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
}
.pg-scene-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--pg-shadow-lg);
}
.pg-scene-img {
    height: 180px;
    overflow: hidden;
    position: relative;
}
.pg-scene-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.pg-scene-card:hover .pg-scene-img img {
    transform: scale(1.04);
}
.pg-scene-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(46, 74, 98, 0.1), rgba(46, 74, 98, 0.4));
}
.pg-scene-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    background: var(--pg-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--pg-radius-btn);
    padding: 4px 14px;
    box-shadow: 0 4px 12px rgba(201, 160, 99, 0.4);
}
.pg-scene-body {
    padding: 24px 24px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.pg-scene-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--pg-dark);
    margin-bottom: 8px;
}
.pg-scene-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--pg-text-light);
    margin-bottom: 16px;
    flex: 1;
}
.pg-scene-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.pg-tag {
    display: inline-block;
    background: rgba(90, 125, 154, 0.08);
    border: 1px solid rgba(90, 125, 154, 0.15);
    color: var(--pg-primary);
    font-size: 13px;
    border-radius: var(--pg-radius-btn);
    padding: 4px 12px;
}
.pg-scene-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--pg-primary);
    transition: color .2s ease;
}
.pg-scene-link:hover {
    color: var(--pg-accent);
}

/* ===== FAQ ===== */
.pg-faq-wrap {
    max-width: 820px;
    margin: 0 auto;
}
.pg-faq-list {
    border-radius: var(--pg-radius);
    background: var(--pg-white);
    border: 1px solid var(--pg-border);
    box-shadow: var(--pg-shadow);
    overflow: hidden;
}
.pg-faq-item {
    border-bottom: 1px solid var(--pg-border);
}
.pg-faq-item:last-child {
    border-bottom: none;
}
.pg-faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    list-style: none;
    padding: 24px 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--pg-dark);
    transition: background .2s ease;
}
.pg-faq-item summary::-webkit-details-marker {
    display: none;
}
.pg-faq-item summary:hover {
    background: rgba(90, 125, 154, 0.04);
}
.pg-faq-item summary::after {
    content: '+';
    font-size: 22px;
    font-weight: 400;
    color: var(--pg-primary);
    transition: transform .3s ease;
    flex-shrink: 0;
}
.pg-faq-item[open] summary::after {
    transform: rotate(45deg);
}
.pg-faq-a {
    padding: 0 28px 24px;
    color: var(--pg-text-light);
    font-size: 15px;
    line-height: 1.75;
}
.pg-faq-a p {
    margin-bottom: 0;
}
.pg-faq-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(90, 125, 154, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 14px;
    flex-shrink: 0;
    color: var(--pg-primary);
    font-size: 14px;
}
.pg-faq-q-wrap {
    display: flex;
    align-items: center;
}

/* ===== CTA ===== */
.pg-cta-section {
    padding: 40px 0 var(--pg-space);
}
.pg-cta {
    background: var(--pg-darker);
    border-radius: 24px;
    padding: 64px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.pg-cta::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(90, 125, 154, 0.18);
    top: -100px;
    right: -80px;
}
.pg-cta::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(201, 160, 99, 0.12);
    bottom: -80px;
    left: -50px;
}
.pg-cta h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}
.pg-cta p {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 28px;
    position: relative;
    z-index: 2;
    line-height: 1.8;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.pg-cta .pg-btn {
    position: relative;
    z-index: 2;
}

/* ===== Footer ===== */
.pg-footer {
    background: var(--pg-darker);
    color: rgba(255, 255, 255, 0.75);
    padding: 70px 0 0;
    font-size: 14px;
}
.pg-footer-brand h3 {
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}
.pg-footer-brand p {
    line-height: 1.8;
    opacity: 0.75;
    max-width: 360px;
}
.pg-footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}
.pg-footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--pg-accent);
    border-radius: 2px;
}
.pg-footer-col ul li {
    margin-bottom: 10px;
}
.pg-footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color .2s ease, padding-left .2s ease;
}
.pg-footer-col ul li a:hover {
    color: var(--pg-accent-light);
    padding-left: 4px;
}
.pg-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    margin-top: 50px;
    text-align: center;
    font-size: 13px;
    opacity: 0.7;
}
.pg-footer-bottom span {
    display: block;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .pg-nav {
        gap: 20px;
        margin-left: 16px;
    }
    .pg-nav-link {
        font-size: 14px;
    }
    .pg-cardwide {
        padding: 48px 36px;
    }
    .pg-cta {
        padding: 48px 36px;
    }
}
@media (max-width: 768px) {
    .pg-nav {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin: 0;
        padding: 0 24px 20px;
        border-bottom: 1px solid var(--pg-border);
        box-shadow: 0 12px 24px rgba(46, 74, 98, 0.08);
        transform: translateY(-120%);
        transition: transform .35s ease;
        display: flex;
        z-index: 999;
    }
    .pg-nav.is-open {
        transform: translateY(0);
    }
    .pg-nav-link,
    .pg-nav-link::after {
        line-height: 48px;
        border-bottom: 1px solid rgba(90, 125, 154, 0.08);
    }
    .pg-nav-link.active::after {
        height: 2px;
        bottom: 0;
    }
    .pg-burger {
        display: flex;
    }
    .pg-header-actions .pg-btn-sm {
        display: none;
    }
    .pg-hero-cat2 {
        min-height: 50vh;
        padding: 110px 0 50px;
    }
    .pg-hero-cat2 h1 {
        font-size: 28px;
    }
    .pg-hero-cat2 .pg-hero-sub {
        font-size: 15px;
    }
    .pg-section {
        padding: var(--pg-space-mobile) 0;
    }
    .pg-section-head h2 {
        font-size: 24px;
    }
    .pg-cardwide {
        padding: 40px 24px;
    }
    .pg-cardwide h3 {
        font-size: 20px;
    }
    .pg-cta {
        padding: 40px 24px;
    }
    .pg-cta h2 {
        font-size: 24px;
    }
    .pg-footer {
        padding-top: 50px;
    }
    .pg-footer .columns {
        margin-bottom: 32px;
    }
}
@media (max-width: 576px) {
    .pg-header-inner {
        padding: 0 16px;
    }
    .pg-container {
        padding: 0 16px;
    }
    .row {
        padding-left: 8px;
        padding-right: 8px;
    }
    .pg-hero-cat2 h1 {
        font-size: 24px;
    }
    .pg-stats {
        gap: 12px;
    }
    .pg-stat {
        padding: 16px 20px;
        min-width: 90px;
    }
    .pg-stat b {
        font-size: 26px;
    }
    .pg-list-item {
        gap: 14px;
        padding: 20px 0;
    }
    .pg-list-num {
        width: 38px;
        height: 38px;
        font-size: 14px;
    }
    .pg-list-body h3 {
        font-size: 16px;
    }
    .pg-step-item {
        min-width: 100%;
    }
    .pg-cta {
        padding: 32px 20px;
        border-radius: 16px;
    }
}