/* roulang page: index */
/* ============================================================
   Design Variables
   ============================================================ */
:root {
    --red: #C8102E;
    --red-dark: #9A0D24;
    --red-light: #F4E3E5;
    --bg: #F5F2ED;
    --white: #FFFFFF;
    --ink: #1A1A1A;
    --gray: #3D3A34;
    --gray-light: #6B655C;
    --border: #E8E2D8;
    --gold: #B08D57;
    --gold-light: #D6BD9C;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-serif: Georgia, "Times New Roman", "Songti SC", serif;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow-card: 0 8px 24px rgba(26, 26, 26, 0.06);
    --transition: 0.2s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--gray);
    background-color: var(--bg);
    overflow-x: hidden;
}

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

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

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

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

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

.container {
    max-width: 1200px;
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--ink);
    font-weight: 700;
    letter-spacing: -0.3px;
    line-height: 1.3;
}

h1 {
    font-size: clamp(38px, 5.5vw, 56px);
    font-weight: 700;
    letter-spacing: -0.5px;
}

h2 {
    font-size: clamp(28px, 3.5vw, 36px);
    font-weight: 700;
    letter-spacing: -0.3px;
}

h3 {
    font-size: 22px;
    font-weight: 600;
}

.eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--red);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
}

.section-padding {
    padding: 96px 0;
}

@media (max-width: 991px) {
    .section-padding {
        padding: 64px 0;
    }
}

/* ============================================================
   Header / Topbar / Nav
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.topbar {
    height: 34px;
    background: var(--ink);
    color: #C9C4BC;
    font-size: 12px;
    display: flex;
    align-items: center;
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-left {
    letter-spacing: 1px;
}

.topbar-right a {
    color: #C9C4BC;
    margin-left: 12px;
    font-size: 12px;
}

.topbar-right a:hover {
    color: var(--gold-light);
}

.topbar-right .divider {
    color: #555;
    margin-left: 12px;
}

.main-nav {
    padding: 0;
    background: transparent;
    min-height: 72px;
}

.main-nav .navbar-brand {
    font-size: 24px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.5px;
    padding: 0;
}

.main-nav .navbar-brand span {
    color: var(--red);
}

.main-nav .navbar-nav {
    gap: 40px;
}

.main-nav .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray);
    padding: 24px 0;
    position: relative;
    text-align: center;
}

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

.main-nav .nav-link:hover::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 18px;
    height: 1px;
    background: var(--red);
}

.main-nav .nav-link.active {
    color: var(--red);
}

.main-nav .nav-link.active::after {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--red);
    margin: 6px auto 0;
}

.nav-cta {
    padding: 8px 24px;
    font-size: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--red);
    background: transparent;
    color: var(--red);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--red-light);
    color: var(--red-dark);
    border-color: var(--red-dark);
}

.navbar-toggler {
    border: none;
    padding: 6px 10px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%231A1A1A' stroke-width='2' stroke-linecap='round'%3e%3cline x1='3' y1='6' x2='21' y2='6'/%3e%3cline x1='3' y1='12' x2='21' y2='12'/%3e%3cline x1='3' y1='18' x2='21' y2='18'/%3e%3c/svg%3e");
}

@media (max-width: 991px) {
    .main-nav {
        min-height: 60px;
    }
    .main-nav .navbar-nav {
        gap: 0;
        padding: 16px 0;
    }
    .main-nav .nav-link {
        padding: 12px 0;
        text-align: left;
        border-bottom: 1px solid var(--border);
    }
    .main-nav .nav-link:hover::before {
        display: none;
    }
    .main-nav .nav-link.active::after {
        margin: 4px 0 0 0;
    }
    .nav-cta {
        margin-top: 16px;
        display: inline-block;
        text-align: center;
    }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-red {
    display: inline-block;
    background: var(--red);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    padding: 13px 30px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--red);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-red:hover {
    background: var(--red-dark);
    border-color: var(--red-dark);
    color: var(--white);
}

.btn-outline-red {
    display: inline-block;
    background: transparent;
    color: var(--red);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--red);
    transition: all var(--transition);
    cursor: pointer;
}

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

.btn-gold {
    display: inline-block;
    background: transparent;
    color: var(--gold-light);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gold);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-gold:hover {
    background: var(--gold);
    color: var(--ink);
    border-color: var(--gold);
}

/* ============================================================
   Hero
   ============================================================ */
.hero-section {
    position: relative;
    padding: 140px 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center 30%;
    background-color: var(--bg);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(245, 242, 237, 0.95) 0%, rgba(245, 242, 237, 0.92) 45%, rgba(245, 242, 237, 0.45) 100%);
    z-index: 1;
}

.hero-section .hero-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
}

.hero-section h1 {
    font-size: clamp(44px, 6vw, 68px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero-divider {
    width: 64px;
    height: 2px;
    background: var(--gold);
    border: none;
    margin: 28px 0;
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: left;
}

.hero-stat-number {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.2;
}

.hero-stat-label {
    font-size: 13px;
    color: var(--gray-light);
    letter-spacing: 1px;
    margin-top: 4px;
}

@media (max-width: 767px) {
    .hero-section {
        padding: 80px 0;
    }
    .hero-stats {
        gap: 28px;
    }
    .hero-stat-number {
        font-size: 28px;
    }
}

/* ============================================================
   Features
   ============================================================ */
.features-section {
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

@media (max-width: 991px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
    border-color: var(--red);
    box-shadow: var(--shadow-card);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--red-light);
    border-radius: 50%;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--red);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-light);
    margin-bottom: 0;
}

.feature-card:hover .feature-link {
    opacity: 1;
    transform: translateX(0);
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--red);
    margin-top: 16px;
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition);
}

.feature-link svg {
    width: 14px;
    height: 14px;
}

/* ============================================================
   Featured Content
   ============================================================ */
.featured-section {
    position: relative;
}

.featured-block {
    display: flex;
    align-items: center;
    gap: 56px;
    margin-bottom: 96px;
}

.featured-block:last-child {
    margin-bottom: 0;
}

.featured-block.reverse {
    flex-direction: row-reverse;
}

.featured-image {
    flex: 0 0 55%;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.featured-image img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.4s ease;
}

.featured-block:hover .featured-image img {
    transform: scale(1.02);
}

.featured-image::after {
    content: '';
    position: absolute;
    top: 14px;
    left: 14px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--gold);
    border-radius: 8px;
    z-index: -1;
    pointer-events: none;
}

.featured-text {
    flex: 1;
}

.featured-text .eyebrow {
    display: block;
    margin-bottom: 8px;
}

.featured-text h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 16px;
}

.featured-text p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-light);
    margin-bottom: 20px;
}

.featured-link {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--red);
    border-bottom: 1px solid var(--red);
    padding-bottom: 2px;
    transition: all var(--transition);
}

.featured-link:hover {
    color: var(--red-dark);
    border-bottom-width: 2px;
}

@media (max-width: 991px) {
    .featured-block,
    .featured-block.reverse {
        flex-direction: column;
        gap: 32px;
    }
    .featured-image {
        flex: 0 0 100%;
        width: 100%;
    }
    .featured-block {
        margin-bottom: 64px;
    }
}

/* ============================================================
   Proof / Dark Section
   ============================================================ */
.proof-section {
    background: var(--ink);
    padding: 96px 0;
}

.proof-section h2 {
    color: var(--white);
    font-size: clamp(24px, 3vw, 32px);
    margin-bottom: 16px;
}

.proof-subtitle {
    color: var(--gold-light);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto 56px;
    line-height: 1.8;
}

.proof-quote {
    max-width: 760px;
    margin: 0 auto 64px;
    text-align: center;
    position: relative;
}

.proof-quote::before {
    content: '“';
    font-family: var(--font-serif);
    font-size: 84px;
    color: var(--gold);
    display: block;
    line-height: 1;
    margin-bottom: 8px;
}

.proof-quote blockquote {
    font-size: 20px;
    line-height: 1.8;
    color: var(--white);
    font-weight: 400;
    border: none;
    padding: 0;
    margin: 0 0 20px;
}

.proof-quote cite {
    font-style: normal;
    font-size: 13px;
    color: #8A8378;
    display: block;
}

.proof-badges {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.proof-badge {
    text-align: center;
}

.proof-badge-number {
    font-family: var(--font-serif);
    font-size: 44px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.2;
}

.proof-badge-label {
    font-size: 13px;
    color: var(--white);
    letter-spacing: 1px;
    margin-top: 8px;
}

@media (max-width: 767px) {
    .proof-section {
        padding: 64px 0;
    }
    .proof-badges {
        gap: 40px;
    }
    .proof-badge-number {
        font-size: 32px;
    }
}

/* ============================================================
   Pricing
   ============================================================ */
.pricing-section {
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

@media (max-width: 991px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 40px 32px;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition);
}

.pricing-card:hover {
    box-shadow: var(--shadow-card);
}

.pricing-card.recommended {
    border: 2px solid var(--red);
}

.pricing-recommend-tag {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: var(--red);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px 12px 0 0;
}

.pricing-plan-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 40px;
    font-weight: 700;
    color: var(--ink);
    font-family: var(--font-serif);
    line-height: 1.2;
    margin-bottom: 24px;
}

.pricing-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--gray-light);
    font-family: var(--font-body);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    flex-grow: 1;
}

.pricing-features li {
    font-size: 14px;
    color: var(--gray);
    padding-left: 20px;
    position: relative;
    margin-bottom: 14px;
    line-height: 1.6;
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
}

.pricing-card .btn-red,
.pricing-card .btn-outline-red {
    text-align: center;
}

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

.faq-wrap {
    max-width: 800px;
    margin: 48px auto 0;
    border-top: 1px solid var(--border);
}

.faq-item {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.faq-item:hover {
    background: #F9F6F0;
}

.faq-item.open {
    background: #F9F6F0;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
    cursor: pointer;
    user-select: none;
}

.faq-question-text {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    flex: 1;
}

.faq-question-text::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--red);
    border-radius: 2px;
    flex-shrink: 0;
}

.faq-toggle {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    position: relative;
    transition: transform var(--transition);
}

.faq-toggle::before,
.faq-toggle::after {
    content: '';
    position: absolute;
    background: var(--red);
    transition: all var(--transition);
}

.faq-toggle::before {
    width: 14px;
    height: 2px;
    top: 9px;
    left: 3px;
}

.faq-toggle::after {
    width: 2px;
    height: 14px;
    top: 3px;
    left: 9px;
}

.faq-item.open .faq-toggle::after {
    transform: scaleY(0);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-inner {
    padding: 0 24px 22px 42px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray);
}

/* ============================================================
   News / CMS List
   ============================================================ */
.news-section {
    background: var(--white);
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
}

.news-link-all {
    font-size: 14px;
    font-weight: 600;
    color: var(--red);
}

.news-link-all:hover {
    color: var(--red-dark);
}

.article-card {
    display: flex;
    gap: 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    height: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.article-card:hover {
    border-color: var(--red);
    box-shadow: var(--shadow-card);
}

.article-card-thumb {
    flex: 0 0 120px;
    width: 120px;
    min-height: 90px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg);
}

.article-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

.article-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.article-card-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--red);
    background: var(--red-light);
    padding: 3px 10px;
    border-radius: 20px;
    display: inline-block;
    align-self: flex-start;
    margin-bottom: 8px;
}

.article-card-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
}

.article-card-title a {
    color: var(--ink);
}

.article-card-title a:hover {
    color: var(--red-dark);
}

.article-card-excerpt {
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-light);
    margin-bottom: 12px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--gray-light);
    margin-top: auto;
    flex-wrap: wrap;
}

.article-card-meta .meta-dot {
    color: var(--red);
}

.read-more {
    font-size: 13px;
    font-weight: 600;
    color: var(--red);
    margin-left: auto;
}

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

.news-empty {
    text-align: center;
    color: var(--gray-light);
    font-size: 15px;
    padding: 48px 0;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

@media (max-width: 575px) {
    .article-card {
        flex-direction: column;
    }
    .article-card-thumb {
        flex: none;
        width: 100%;
        height: 160px;
    }
}

/* ============================================================
   CTA Band
   ============================================================ */
.cta-section {
    background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
    padding: 72px 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    font-size: clamp(26px, 3vw, 34px);
    margin-bottom: 14px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
    margin-bottom: 32px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.btn-white {
    display: inline-block;
    background: var(--white);
    color: var(--red);
    font-size: 14px;
    font-weight: 600;
    padding: 13px 34px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    border: 1px solid var(--white);
}

.btn-white:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background: var(--ink);
    color: #C9C4BC;
    padding: 72px 0 0;
}

.site-footer .footer-top {
    display: grid;
    grid-template-columns: 4fr 2fr 2fr 4fr;
    gap: 40px;
    padding-bottom: 56px;
}

@media (max-width: 991px) {
    .site-footer .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 575px) {
    .site-footer .footer-top {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.footer-brand span {
    color: var(--red);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #A49E94;
    max-width: 300px;
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

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

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

.footer-links a {
    color: #A49E94;
    font-size: 14px;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--gold-light);
}

.footer-subscribe {
    font-size: 14px;
    color: #A49E94;
    line-height: 1.8;
    margin-bottom: 18px;
}

.footer-subscribe-form {
    display: flex;
    gap: 0;
}

.footer-subscribe-form input {
    flex: 1;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid #3D3A34;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    padding: 10px 16px;
    font-size: 14px;
    color: var(--white);
    transition: border-color var(--transition);
}

.footer-subscribe-form input::placeholder {
    color: #6B655C;
}

.footer-subscribe-form input:focus {
    border-color: var(--gold);
    outline: none;
}

.footer-subscribe-form button {
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold-light);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    transition: all var(--transition);
}

.footer-subscribe-form button:hover {
    background: var(--gold);
    color: var(--ink);
    border-color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid #3D3A34;
    padding: 24px 0;
    font-size: 13px;
    color: #6B655C;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom a {
    color: #6B655C;
}

.footer-bottom a:hover {
    color: var(--gold-light);
}

/* ============================================================
   Floating CTA (Homepage Only)
   ============================================================ */
.floating-cta {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
}

.floating-toggle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--red);
    color: var(--white);
    border: none;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(200, 16, 46, 0.25);
    transition: transform 0.3s ease, background var(--transition);
}

.floating-toggle:hover {
    background: var(--red-dark);
    transform: rotate(90deg);
}

.floating-menu {
    position: absolute;
    bottom: 76px;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(26, 26, 26, 0.12);
    padding: 12px;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.3s ease;
}

.floating-cta.open .floating-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-menu a {
    display: block;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray);
    border-radius: 8px;
    transition: background var(--transition), color var(--transition);
}

.floating-menu a:hover {
    background: var(--red-light);
    color: var(--red);
}

/* ============================================================
   Responsive Adjustments
   ============================================================ */
@media (max-width: 991px) {
    .navbar-collapse {
        padding-bottom: 16px;
    }
}

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

@media (max-width: 575px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-buttons .btn-red,
    .hero-buttons .btn-outline-red {
        text-align: center;
    }
    .topbar-left {
        font-size: 11px;
    }
    .topbar-right a {
        font-size: 11px;
        margin-left: 8px;
    }
    .floating-cta {
        bottom: 20px;
        right: 20px;
    }
    .floating-toggle {
        width: 56px;
        height: 56px;
    }
}

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
    --red: #C8102E;
    --red-dark: #9A0D24;
    --red-light: #F4E3E5;
    --bg: #F5F2ED;
    --white: #FFFFFF;
    --ink: #1A1A1A;
    --gray: #3D3A34;
    --gray-light: #6B655C;
    --border: #E8E2D8;
    --gold: #B08D57;
    --gold-light: #D6BD9C;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow: 0 8px 24px rgba(26,26,26,0.06);
    --font-body: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
    --font-serif: Georgia,"Times New Roman","PingFang SC","Source Han Serif SC",serif;
}
/* ========== Reset ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--gray);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--red);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--red-dark)}
ul,ol{list-style:none}
input,button,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;border-radius:2px}
::selection{background:var(--red);color:#fff}

/* ========== 排版 ========== */
.container{max-width:1200px}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.3px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:2px;color:var(--red);text-transform:uppercase;margin-bottom:12px}
.section-padding{padding:96px 0}

/* ========== 按钮 ========== */
.btn{border-radius:var(--radius-sm);font-size:14px;font-weight:600;padding:12px 28px;transition:all .2s ease-in-out;border:1px solid transparent}
.btn-red{background:var(--red);color:#fff;border-color:var(--red)}
.btn-red:hover{background:var(--red-dark);border-color:var(--red-dark);color:#fff}
.btn-outline-red{background:transparent;color:var(--red);border-color:var(--red)}
.btn-outline-red:hover{background:var(--red-light);color:var(--red-dark);border-color:var(--red-dark)}
.btn-gold{background:transparent;color:var(--gold-light);border-color:var(--gold)}
.btn-gold:hover{background:var(--gold);color:#1A1A1A;border-color:var(--gold)}

/* ========== Header ========== */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.92);border-bottom:1px solid var(--border);backdrop-filter:none;transition:background .3s}
.topbar{background:var(--ink);color:#C9C4BC;font-size:12px;height:32px;display:flex;align-items:center}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#C9C4BC;font-size:12px;padding:0 4px}
.topbar a:hover{color:var(--gold-light)}
.topbar .divider{color:#555;margin:0 4px}
.main-nav{padding:0;background:transparent;min-height:72px}
.main-nav .navbar-brand{font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-1px;font-family:var(--font-serif)}
.main-nav .navbar-brand span{color:var(--red);font-weight:800}
.main-nav .navbar-nav{gap:8px}
.main-nav .nav-link{font-size:14px;font-weight:500;color:var(--gray);padding:24px 16px;position:relative;letter-spacing:.3px}
.main-nav .nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:18px;height:1px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link:hover{color:var(--red-dark)}
.main-nav .nav-link.active{color:var(--red-dark);font-weight:600}
.main-nav .nav-link.active::after{content:"";position:absolute;left:50%;right:auto;top:auto;bottom:14px;width:6px;height:6px;border-radius:50%;background:var(--red);transform:translateX(-50%) scaleX(1)}
.nav-cta{border-color:var(--red);color:var(--red);background:transparent;padding:10px 24px;font-size:13px}
.nav-cta:hover{background:var(--red);color:#fff}
.navbar-toggler{border:none;background:transparent;padding:8px}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='%231A1A1A' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E")}

/* ========== 面包屑 ========== */
.breadcrumb-bar{background:#EFECE6;border-bottom:1px solid var(--border);padding:14px 0}
.breadcrumb-list{display:flex;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--gray-light)}
.breadcrumb-list a{color:var(--gray-light)}
.breadcrumb-list a:hover{color:var(--red)}
.breadcrumb-list .sep{margin:0 8px;color:#B8B0A4}
.breadcrumb-list .current{color:var(--gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:340px}

/* ========== 文章标题区 ========== */
.article-hero{padding:72px 0 48px;background:var(--white);border-bottom:1px solid var(--border)}
.article-heading{max-width:860px;margin:0 auto;text-align:left}
.article-heading .eyebrow{display:inline-block;background:var(--red-light);color:var(--red);padding:5px 14px;border-radius:20px;letter-spacing:1px;font-weight:600;margin-bottom:22px}
.article-heading h1{font-size:clamp(32px,4vw,40px);font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.5px;margin-bottom:20px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--gray-light)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--gold);display:inline-block}
.meta-cat{color:var(--red);font-weight:500;border-bottom:1px solid transparent}
.meta-cat:hover{color:var(--red-dark);border-color:var(--red-dark)}

/* ========== 文章正文 ========== */
.article-section{padding:56px 0 72px;background:var(--white)}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--gray)}
.article-body p{margin-bottom:28px}
.article-body h2{font-size:26px;font-weight:700;margin:44px 0 20px;color:var(--ink);padding-top:8px}
.article-body h3{font-size:20px;font-weight:600;margin:36px 0 16px;color:var(--ink)}
.article-body img{max-width:100%;border-radius:10px;border:1px solid var(--border);margin:32px auto;height:auto}
.article-body img + em,.article-body .wp-caption-text{display:block;text-align:center;font-size:13px;color:var(--gray-light);font-style:normal;margin:-20px auto 28px}
.article-body blockquote{border-left:4px solid var(--gold);background:#F9F6F0;padding:24px 28px;margin:36px 0;border-radius:0 8px 8px 0;font-family:var(--font-serif);font-size:17px;line-height:1.8;color:var(--gray)}
.article-body blockquote p{margin-bottom:12px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:36px 0;font-size:14px}
.article-body table th,.article-body table td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.article-body table th{background:var(--bg);font-weight:600;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 28px 0;padding-left:24px}
.article-body ul li{list-style:disc;margin-bottom:10px}
.article-body ol li{list-style:decimal;margin-bottom:10px}
.article-body a{border-bottom:1px solid rgba(200,16,46,.4)}
.article-body a:hover{border-color:var(--red-dark)}
.article-body hr{border:none;border-top:1px solid var(--border);margin:40px 0}

/* 文章缺失 */
.article-missing{text-align:center;padding:80px 0}
.article-missing p{font-size:24px;font-weight:600;color:var(--ink);margin-bottom:20px}
.article-missing a{color:var(--red);border-bottom:1px solid var(--red)}

/* 返回栏目 */
.back-to-category{max-width:760px;margin:48px auto 0;text-align:center}
.back-to-category a{font-size:14px;color:var(--red);border-bottom:1px solid var(--red);padding-bottom:2px}
.back-to-category a:hover{color:var(--red-dark);border-color:var(--red-dark)}

/* ========== 相关推荐 ========== */
.related-section{padding:72px 0 32px;background:var(--bg)}
.section-divider{width:64px;height:2px;background:var(--gold);margin-bottom:24px}
.related-title{font-size:26px;font-weight:700;color:var(--ink);margin-bottom:36px}
.related-card{display:block;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .2s ease-in-out;height:100%}
.related-card:hover{border-color:var(--red);box-shadow:var(--shadow)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFECE6;position:relative;display:flex;align-items:center;justify-content:center}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-thumb .watermark{font-size:12px;color:#B8B0A4;letter-spacing:1px}
.related-body{padding:20px 22px 22px}
.related-body h4{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.related-card:hover .related-body h4{color:var(--red-dark)}
.related-date{font-size:13px;color:var(--gray-light);display:flex;align-items:center;gap:6px}
.related-date::before{content:"";width:12px;height:1px;background:var(--gold);display:inline-block}

/* ========== 订阅 CTA ========== */
.article-cta{padding:72px 0;background:var(--ink)}
.cta-inner{max-width:680px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:#fff;margin-bottom:16px}
.cta-inner p{font-size:15px;line-height:1.8;color:#C9C4BC;margin-bottom:32px}
.cta-form{display:flex;gap:12px;max-width:480px;margin:0 auto}
.cta-form input{flex:1;height:48px;border-radius:var(--radius-sm);border:1px solid #3D3A34;background:#24201C;color:#fff;padding:0 18px;font-size:14px;transition:border-color .2s}
.cta-form input::placeholder{color:#6B655C}
.cta-form input:focus{border-color:var(--gold);outline:none}
.cta-form button{height:48px;padding:0 28px;background:transparent;color:var(--gold-light);border:1px solid var(--gold);border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:all .2s ease;white-space:nowrap}
.cta-form button:hover{background:var(--gold);color:#1A1A1A}

/* ========== Footer ========== */
.site-footer{background:var(--ink);color:#C9C4BC;font-size:14px}
.footer-top{display:grid;grid-template-columns:4fr 3fr 3fr 4fr;gap:48px;padding:72px 0 56px;border-bottom:1px solid #3D3A34}
.footer-brand{font-size:22px;font-weight:800;color:#fff;font-family:var(--font-serif);margin-bottom:16px}
.footer-brand span{color:var(--red)}
.footer-desc{font-size:13px;line-height:1.9;color:#9C968C;max-width:300px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:1px;background:var(--gold)}
.footer-links li{margin-bottom:12px}
.footer-links a{color:#C9C4BC;font-size:13px;transition:color .2s}
.footer-links a:hover{color:var(--gold-light)}
.footer-subscribe{font-size:13px;line-height:1.8;color:#9C968C;margin-bottom:16px}
.footer-subscribe-form{display:flex;gap:8px}
.footer-subscribe-form input{flex:1;height:42px;background:#24201C;border:1px solid #3D3A34;border-radius:var(--radius-sm);color:#fff;padding:0 14px;font-size:13px}
.footer-subscribe-form input::placeholder{color:#6B655C}
.footer-subscribe-form input:focus{border-color:var(--gold);outline:none}
.footer-subscribe-form button{height:42px;padding:0 18px;background:transparent;border:1px solid var(--gold);color:var(--gold-light);border-radius:var(--radius-sm);font-size:13px;font-weight:600;transition:all .2s ease;white-space:nowrap}
.footer-subscribe-form button:hover{background:var(--gold);color:#1A1A1A}
.footer-bottom{display:flex;justify-content:space-between;padding:24px 0;font-size:13px;color:#8A8378;flex-wrap:wrap;gap:8px}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
    .main-nav{min-height:64px}
    .main-nav .navbar-collapse{background:var(--white);border-top:1px solid var(--border);padding:16px 0;margin-top:0}
    .main-nav .nav-link{padding:14px 16px}
    .main-nav .nav-link::after{display:none}
    .main-nav .nav-link.active::after{left:16px;right:auto;top:50%;bottom:auto;transform:translateY(-50%);width:6px;height:6px}
    .nav-cta{margin:12px 16px 8px;display:inline-block}
    .footer-top{grid-template-columns:1fr 1fr;gap:40px;padding:56px 0 40px}
}

@media (max-width: 767.98px) {
    .section-padding{padding:64px 0}
    .article-hero{padding:48px 0 36px}
    .article-section{padding:40px 0 56px}
    .related-section{padding:56px 0 24px}
    .footer-top{grid-template-columns:1fr;gap:36px;padding:48px 0 32px}
    .footer-bottom{flex-direction:column;align-items:center;text-align:center}
}

@media (max-width: 575.98px) {
    .topbar-left{display:none}
    .topbar .container{justify-content:center}
    .article-heading h1{font-size:30px;line-height:1.35}
    .article-body{font-size:15px;line-height:1.85}
    .article-body p{margin-bottom:24px}
    .article-body blockquote{padding:18px 20px;font-size:15px}
    .cta-form{flex-direction:column}
    .cta-form button{width:100%}
    .footer-subscribe-form{flex-direction:column}
    .footer-subscribe-form button{width:100%}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
    --red: #C8102E;
    --red-dark: #9A0D24;
    --red-light: #F4E3E5;
    --bg: #F5F2ED;
    --white: #FFFFFF;
    --ink: #1A1A1A;
    --gray: #3D3A34;
    --gray-light: #6B655C;
    --border: #E8E2D8;
    --gold: #B08D57;
    --gold-light: #D6BD9C;
    --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --radius-card: 14px;
    --radius-btn: 6px;
    --shadow-card: 0 8px 24px rgba(26, 26, 26, 0.06);
    --transition: 0.2s ease-in-out;
}

/* ========== Reset / Base ========== */
* {
    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(--ink);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--red);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--red-dark);
}
img {
    max-width: 100%;
    display: block;
}
.container {
    max-width: 1200px;
}
section {
    position: relative;
}

/* ========== 排版 ========== */
.eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--red);
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}
.section-head {
    max-width: 680px;
    margin-bottom: 48px;
}
.section-head h2 {
    font-size: clamp(28px, 3.5vw, 36px);
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 16px;
    line-height: 1.3;
    color: var(--ink);
}
.section-head p {
    color: var(--gray-light);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 0;
}
.section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.section-head.center .eyebrow {
    display: block;
}

/* ========== 按钮 ========== */
.btn {
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 28px;
    transition: all var(--transition);
    letter-spacing: 0.3px;
}
.btn:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 2px;
}
.btn-primary {
    background: var(--red);
    border: 1px solid var(--red);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--red-dark);
    border-color: var(--red-dark);
    color: var(--white);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--red);
    color: var(--red);
}
.btn-outline:hover {
    background: var(--red-light);
    border-color: var(--red-dark);
    color: var(--red-dark);
}
.btn-white {
    background: var(--white);
    border: 1px solid var(--white);
    color: var(--red);
}
.btn-white:hover {
    background: var(--red-light);
    border-color: var(--white);
    color: var(--red-dark);
}

/* ========== Header ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border);
}
.topbar {
    background: var(--ink);
    color: #C9C4BC;
    font-size: 12px;
    min-height: 32px;
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 32px;
}
.topbar a {
    color: var(--gold-light);
    font-size: 12px;
}
.topbar a:hover {
    color: #fff;
}
.topbar .divider {
    margin: 0 8px;
    color: #6B655C;
}
.main-nav {
    padding: 0;
    background: transparent;
}
.main-nav .navbar-brand {
    font-size: 24px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.5px;
}
.main-nav .navbar-brand span {
    color: var(--red);
}
.navbar-nav .nav-link {
    font-size: 14px;
    font-weight: 500;
    padding: 26px 16px;
    color: var(--gray);
    border-bottom: 1px solid transparent;
    position: relative;
}
.navbar-nav .nav-link:hover {
    color: var(--red);
    border-bottom-color: var(--red);
}
.navbar-nav .nav-link.active {
    color: var(--red);
    border-bottom-color: transparent;
}
.navbar-nav .nav-link.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--red);
}
.nav-cta {
    background: transparent;
    border: 1px solid var(--red);
    color: var(--red);
    padding: 8px 20px;
}
.nav-cta:hover {
    background: var(--red-light);
    border-color: var(--red-dark);
    color: var(--red-dark);
}
.navbar-toggler {
    border: none;
    padding: 8px;
}
.navbar-toggler:focus {
    box-shadow: none;
}
.navbar-toggler-icon {
    display: inline-block;
    width: 22px;
    height: 22px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23C8102E' stroke-width='2' stroke-linecap='round'%3E%3Cline x1='3' y1='6' x2='21' y2='6'/%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cline x1='3' y1='18' x2='21' y2='18'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ========== 分类页 Banner ========== */
.cat-banner {
    background: var(--bg);
    padding: 72px 0;
    border-bottom: 1px solid var(--border);
}
.cat-banner-inner {
    position: relative;
    max-width: 780px;
}
.cat-banner-tag {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--red);
    margin-bottom: 14px;
    display: inline-block;
}
.cat-banner h1 {
    font-size: clamp(34px, 5vw, 48px);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    line-height: 1.2;
}
.cat-banner p {
    font-size: 15px;
    color: var(--gray);
    max-width: 640px;
    margin-bottom: 0;
    line-height: 1.8;
}

/* ========== 卖点区 ========== */
.feature-grid {
    background: var(--bg);
    padding: 96px 0;
}
.feature-grid .row {
    row-gap: 24px;
}
.info-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    height: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.info-card:hover {
    border-color: var(--red);
    box-shadow: var(--shadow-card);
}
.info-card .icon {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    color: var(--red);
}
.info-card .icon svg {
    flex: 0 0 auto;
}
.info-card .icon .arrow {
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity var(--transition), transform var(--transition);
    display: inline-flex;
}
.info-card:hover .icon .arrow {
    opacity: 1;
    transform: translateX(0);
}
.info-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--ink);
}
.info-card p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--gray-light);
    margin-bottom: 0;
}

/* ========== 图文交替区 ========== */
.split-blocks {
    background: var(--white);
}
.split-block {
    padding: 96px 0;
    border-bottom: 1px solid var(--border);
}
.split-block:last-child {
    border-bottom: none;
}
.split-image {
    border-radius: 10px;
    overflow: hidden;
}
.split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 16 / 10;
}
.split-content {
    padding: 24px 16px;
}
.split-content .tag {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--red);
    text-transform: uppercase;
    display: block;
    margin-bottom: 14px;
}
.split-content h3 {
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 600;
    letter-spacing: -0.3px;
    margin-bottom: 16px;
    line-height: 1.3;
}
.split-content p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.85;
    margin-bottom: 20px;
}
.split-content .more-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--red);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
}
.split-content .more-link:hover {
    color: var(--red-dark);
    text-decoration-thickness: 2px;
}

/* ========== 深色证据区 ========== */
.proof-section {
    background: linear-gradient(rgba(26, 26, 26, 0.88), rgba(26, 26, 26, 0.92)), url('/assets/images/backpic/back-2.png') center/cover;
    padding: 96px 0;
    color: #C9C4BC;
}
.proof-quote {
    max-width: 820px;
    margin: 0 auto 56px;
    text-align: center;
}
.proof-quote .quote-mark {
    color: var(--gold);
    font-size: 56px;
    line-height: 1;
    font-family: var(--font-serif);
    margin-bottom: 8px;
}
.proof-quote blockquote {
    font-size: clamp(20px, 2.5vw, 26px);
    line-height: 1.8;
    font-weight: 400;
    color: #fff;
    margin: 0 0 20px;
    border: none;
    padding: 0;
}
.proof-quote cite {
    font-style: normal;
    font-size: 13px;
    color: #8A8378;
    letter-spacing: 1px;
}
.proof-stats {
    display: flex;
    justify-content: center;
    gap: 72px;
    flex-wrap: wrap;
}
.proof-stats .stat {
    text-align: center;
}
.proof-stats .num {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    color: var(--gold-light);
    line-height: 1;
}
.proof-stats .label {
    font-size: 13px;
    color: #C9C4BC;
    margin-top: 8px;
    letter-spacing: 1px;
}

/* ========== 受众场景 ========== */
.audience-section {
    background: var(--bg);
    padding: 96px 0;
}
.audience-section .row {
    row-gap: 24px;
}
.audience-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    height: 100%;
    position: relative;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.audience-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 28px;
    bottom: 28px;
    width: 3px;
    border-radius: 2px;
    background: var(--red);
    opacity: 0.7;
}
.audience-card:hover {
    border-color: var(--red);
    box-shadow: var(--shadow-card);
}
.audience-card .au-icon {
    width: 40px;
    height: 40px;
    color: var(--red);
    margin-bottom: 18px;
}
.audience-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--ink);
}
.audience-card p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--gray-light);
    margin-bottom: 0;
}

/* ========== 流程区 ========== */
.process-section {
    background: var(--white);
    padding: 96px 0;
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}
.step {
    text-align: center;
    padding: 0 16px;
    position: relative;
}
.step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 36px;
    right: -30px;
    width: 60px;
    border-top: 1px dashed var(--border);
}
.step-num {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--red);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
}
.step h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--ink);
}
.step p {
    font-size: 14px;
    color: var(--gray-light);
    line-height: 1.75;
    max-width: 280px;
    margin: 0 auto;
}

/* ========== FAQ ========== */
.faq-section {
    background: var(--bg);
    padding: 96px 0;
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
}
.faq-item {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.faq-item:has(.show) {
    background: #F9F6F0;
}
.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 22px 16px 22px 24px;
    text-align: left;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    position: relative;
    font-family: var(--font-sans);
}
.faq-question::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    border-radius: 2px;
    background: var(--red);
}
.faq-question:hover {
    color: var(--red);
}
.faq-question:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: -2px;
}
.faq-question .icon {
    flex: 0 0 18px;
    display: inline-flex;
    color: var(--gray-light);
}
.faq-question[aria-expanded="false"] .icon-close {
    display: none;
}
.faq-question[aria-expanded="true"] .icon-plus {
    display: none;
}
.faq-answer {
    padding: 0 24px 22px 24px;
    font-size: 15px;
    color: var(--gray);
    line-height: 1.8;
}

/* ========== CTA 订阅区 ========== */
.cta-section {
    background: var(--red);
    padding: 96px 0;
    color: var(--white);
}
.cta-inner {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}
.cta-inner h2 {
    font-size: clamp(28px, 3.5vw, 40px);
    color: var(--white);
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 16px;
}
.cta-inner p {
    color: rgba(255, 255, 255, 0.88);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 32px;
}
.subscribe-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
}
.subscribe-form input {
    flex: 1;
    border: none;
    border-radius: var(--radius-btn);
    padding: 14px 18px;
    font-size: 14px;
    color: var(--ink);
    background: var(--white);
}
.subscribe-form input:focus {
    outline: 2px solid var(--ink);
}
.subscribe-form input::placeholder {
    color: #A8A29A;
}
.subscribe-form button {
    border: none;
    border-radius: var(--radius-btn);
    padding: 14px 26px;
    font-size: 14px;
    font-weight: 600;
    background: var(--ink);
    color: var(--white);
    cursor: pointer;
    transition: background var(--transition);
}
.subscribe-form button:hover {
    background: #333;
}
.subscribe-form button:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

/* ========== Footer ========== */
.site-footer {
    background: var(--ink);
    color: #C9C4BC;
    padding: 72px 0 0;
}
.footer-top {
    display: grid;
    grid-template-columns: 4fr 2fr 2fr 3fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-brand {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}
.footer-brand span {
    color: var(--red);
}
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #9A948A;
    margin-bottom: 0;
    max-width: 320px;
}
.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: #C9C4BC;
    font-size: 14px;
    transition: color var(--transition);
}
.footer-links a:hover {
    color: var(--gold-light);
}
.footer-subscribe {
    font-size: 13px;
    color: #9A948A;
    line-height: 1.7;
    margin-bottom: 16px;
}
.footer-subscribe-form {
    display: flex;
    gap: 8px;
}
.footer-subscribe-form input {
    flex: 1;
    min-width: 0;
    background: #fff;
    border: 1px solid #3D3A34;
    border-radius: var(--radius-btn);
    padding: 10px 14px;
    font-size: 13px;
    color: var(--ink);
}
.footer-subscribe-form input:focus {
    outline: 2px solid var(--gold);
}
.footer-subscribe-form button {
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold-light);
    border-radius: var(--radius-btn);
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}
.footer-subscribe-form button:hover {
    background: var(--gold);
    color: var(--ink);
}
.footer-bottom {
    border-top: 1px solid #3D3A34;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #8A8378;
}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
    .main-nav .navbar-collapse {
        background: var(--white);
        padding: 12px 0;
        border-top: 1px solid var(--border);
    }
    .navbar-nav .nav-link {
        padding: 14px 4px;
        border-bottom: none;
    }
    .navbar-nav .nav-link.active::after {
        left: -14px;
        top: 50%;
        bottom: auto;
        transform: translateY(-50%);
    }
    .nav-cta {
        margin: 12px 0 8px;
        display: inline-block;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .process-steps {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .step:not(:last-child)::after {
        display: none;
    }
    .split-content {
        padding: 24px 0 0;
    }
}

@media (max-width: 767.98px) {
    .feature-grid,
    .split-block,
    .proof-section,
    .audience-section,
    .process-section,
    .faq-section,
    .cta-section {
        padding: 64px 0;
    }
    .cat-banner {
        padding: 48px 0;
    }
    .proof-stats {
        gap: 40px;
    }
    .proof-stats .num {
        font-size: 36px;
    }
    .subscribe-form {
        flex-direction: column;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
    .topbar-right {
        display: none;
    }
    .topbar .container {
        justify-content: center;
    }
}

@media (max-width: 575.98px) {
    .cat-banner h1 {
        font-size: 32px;
    }
    .btn {
        padding: 10px 20px;
    }
    .info-card {
        padding: 24px 20px;
    }
    .audience-card {
        padding: 24px 18px;
    }
    .faq-question {
        font-size: 15px;
        padding-left: 18px;
    }
    .faq-answer {
        padding-left: 18px;
        padding-right: 18px;
        font-size: 14px;
    }
}

/* ========== 通用 focus ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 2px;
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --red: #C8102E;
            --red-dark: #9A0D24;
            --red-light: #F4E3E5;
            --bg: #F5F2ED;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --gray: #3D3A34;
            --gray-light: #6B655C;
            --border: #E8E2D8;
            --gold: #B08D57;
            --gold-light: #D6BD9C;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
            --radius: 12px;
            --radius-sm: 6px;
            --shadow: 0 8px 24px rgba(26, 26, 26, 0.06);
            --transition: 0.2s ease-in-out;
        }

        /* ========== Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--ink);
            background: var(--bg);
            padding-top: 104px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        :focus-visible {
            outline: 2px solid var(--red);
            outline-offset: 2px;
        }

        /* ========== 排版 ========== */
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            color: var(--ink);
            line-height: 1.25;
            letter-spacing: -0.3px;
            margin: 0 0 8px;
        }
        h1 {
            font-size: clamp(32px, 4vw, 42px);
        }
        h2 {
            font-size: clamp(28px, 3.5vw, 36px);
            letter-spacing: -0.3px;
        }
        h3 {
            font-size: 22px;
            font-weight: 600;
        }
        .eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--red);
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading p {
            color: var(--gray-light);
            max-width: 640px;
            margin-top: 8px;
            font-size: 15px;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1200px;
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease;
        }
        .site-header .topbar {
            height: 32px;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            font-size: 12px;
            color: var(--gray-light);
            display: flex;
            align-items: center;
        }
        .site-header .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .site-header .topbar a {
            color: var(--gray-light);
            font-size: 12px;
            transition: color var(--transition);
        }
        .site-header .topbar a:hover {
            color: var(--red);
        }
        .site-header .topbar .divider {
            margin: 0 6px;
            color: var(--border);
        }
        .main-nav.navbar {
            padding: 0;
            background: transparent;
            min-height: 72px;
        }
        .main-nav .navbar-brand {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--ink);
            padding: 0;
            display: flex;
            align-items: center;
            line-height: 1;
        }
        .main-nav .navbar-brand span {
            color: var(--red);
            margin-left: 2px;
        }
        .main-nav .navbar-nav .nav-item {
            margin: 0 2px;
        }
        .main-nav .navbar-nav .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--gray);
            padding: 24px 20px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav .navbar-nav .nav-link:hover {
            color: var(--red);
        }
        .main-nav .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 14px;
            height: 1px;
            background: transparent;
            transition: background var(--transition);
        }
        .main-nav .navbar-nav .nav-link:hover::after {
            background: var(--red);
        }
        .main-nav .navbar-nav .nav-link.active {
            color: var(--ink);
            font-weight: 600;
        }
        .main-nav .navbar-nav .nav-link.active::after {
            left: 50%;
            right: auto;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--red);
            bottom: 10px;
        }
        .nav-cta {
            font-size: 14px;
            font-weight: 600;
            color: var(--red);
            border: 1px solid var(--red);
            background: transparent;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--red);
            color: #fff;
            border-color: var(--red);
        }
        .navbar-toggler {
            border: none;
            padding: 6px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--red);
        }
        .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(26,26,26,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }
        .breadcrumb-nav .container {
            display: flex;
            align-items: center;
            font-size: 13px;
            color: var(--gray-light);
        }
        .breadcrumb-nav a {
            color: var(--gray-light);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--red);
        }
        .breadcrumb-nav .sep {
            margin: 0 8px;
            color: var(--border);
        }
        .breadcrumb-nav .current {
            color: var(--gray);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            background: var(--bg);
            padding: 88px 0 64px;
            text-align: center;
        }
        .page-hero h1 {
            font-size: clamp(34px, 4.5vw, 44px);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .page-hero h1 .accent {
            color: var(--red);
        }
        .page-hero .lead {
            font-size: 16px;
            color: var(--gray-light);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .page-hero .hero-actions {
            margin-top: 32px;
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 按钮 ========== */
        .btn-red {
            display: inline-block;
            background: var(--red);
            color: #fff;
            border: 1px solid var(--red);
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            line-height: 1.4;
        }
        .btn-red:hover {
            background: var(--red-dark);
            border-color: var(--red-dark);
            color: #fff;
        }
        .btn-outline-red {
            display: inline-block;
            background: transparent;
            color: var(--red);
            border: 1px solid var(--red);
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            line-height: 1.4;
        }
        .btn-outline-red:hover {
            background: var(--red-light);
            border-color: var(--red-dark);
            color: var(--red-dark);
        }

        /* ========== 卖点区 ========== */
        .features-section {
            padding: 96px 0 80px;
            background: var(--white);
        }
        .features-section .section-heading {
            text-align: center;
        }
        .features-section .section-heading p {
            margin-left: auto;
            margin-right: auto;
        }
        .info-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            height: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
            position: relative;
        }
        .info-card:hover {
            border-color: var(--red);
            box-shadow: var(--shadow);
        }
        .info-card .card-icon {
            width: 40px;
            height: 40px;
            margin-bottom: 18px;
            color: var(--red);
        }
        .info-card .card-icon svg {
            width: 36px;
            height: 36px;
        }
        .info-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .info-card p {
            font-size: 14px;
            color: var(--gray-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .info-card .card-arrow {
            display: inline-flex;
            align-items: center;
            margin-top: 14px;
            color: var(--red);
            font-size: 14px;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .info-card .card-arrow svg {
            width: 16px;
            height: 16px;
            margin-left: 4px;
        }
        .info-card:hover .card-arrow {
            opacity: 1;
        }

        /* ========== 场景区 ========== */
        .audience-section {
            padding: 96px 0;
            background: var(--bg);
        }
        .audience-section .section-heading {
            text-align: center;
        }
        .audience-section .section-heading p {
            margin-left: auto;
            margin-right: auto;
        }
        .audience-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            height: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .audience-card:hover {
            border-color: var(--red);
            box-shadow: var(--shadow);
        }
        .audience-card .audience-num {
            font-family: var(--font-serif);
            font-size: 14px;
            color: var(--red);
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 10px;
            display: block;
        }
        .audience-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .audience-card p {
            font-size: 14px;
            color: var(--gray-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 流程区 ========== */
        .process-section {
            padding: 96px 0;
            background: var(--white);
        }
        .process-section .section-heading {
            text-align: center;
        }
        .process-section .section-heading p {
            margin-left: auto;
            margin-right: auto;
        }
        .process-step {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }
        .process-step .step-number {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--border);
            line-height: 1;
            margin-bottom: 12px;
        }
        .process-step .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--red-light);
            color: var(--red);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .process-step .step-icon svg {
            width: 24px;
            height: 24px;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--gray-light);
            line-height: 1.7;
            max-width: 260px;
            margin: 0 auto;
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -16px;
            width: 32px;
            height: 1px;
            background: var(--border);
            display: none;
        }
        @media (min-width: 992px) {
            .process-step:not(:last-child)::after {
                display: block;
            }
        }

        /* ========== 内容精选 + 侧边栏 ========== */
        .topics-section {
            padding: 96px 0;
            background: var(--bg);
        }
        .topics-section .section-heading {
            margin-bottom: 32px;
        }
        .topics-section .section-heading p {
            margin-top: 8px;
            font-size: 15px;
            color: var(--gray-light);
        }
        .topic-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
            margin-bottom: 24px;
        }
        .topic-card:hover {
            border-color: var(--red);
            box-shadow: var(--shadow);
        }
        .topic-card .topic-card-img {
            width: 100%;
            height: 100%;
            min-height: 220px;
            object-fit: cover;
        }
        .topic-card .topic-card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }
        .topic-tag {
            display: inline-block;
            background: var(--red-light);
            color: var(--red);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .topic-card .topic-card-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .topic-card .topic-card-body p {
            font-size: 14px;
            color: var(--gray-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--red);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .read-more:hover {
            color: var(--red-dark);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .read-more svg {
            width: 16px;
            height: 16px;
        }

        /* 侧边栏 */
        .sidebar-wrapper {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar-wrapper .sidebar-title {
            font-size: 16px;
            font-weight: 600;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 16px;
        }
        .sidebar-wrapper p {
            font-size: 14px;
            color: var(--gray-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            display: inline-block;
            background: var(--bg);
            color: var(--gray);
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 20px;
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--red);
            color: #fff;
        }
        .sidebar-subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .sidebar-subscribe-form input {
            flex: 1;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 9px 12px;
            font-size: 14px;
            transition: border-color var(--transition);
            background: var(--white);
        }
        .sidebar-subscribe-form input:focus {
            outline: none;
            border-color: var(--red);
        }
        .sidebar-subscribe-form button {
            background: var(--red);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .sidebar-subscribe-form button:hover {
            background: var(--red-dark);
        }

        /* ========== 数据区 ========== */
        .stats-section {
            background: #1A1A1A;
            padding: 88px 0;
            position: relative;
        }
        .stats-section .container {
            text-align: center;
        }
        .stats-section .eyebrow {
            color: var(--gold-light);
        }
        .stats-section h2 {
            color: var(--white);
            margin-bottom: 48px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-item .stat-num {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 96px 0;
            background: var(--white);
        }
        .faq-section .section-heading {
            text-align: center;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .faq-item.open {
            background: #F9F6F0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 20px 20px 24px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            position: relative;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--red);
        }
        .faq-question::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: var(--red);
            border-radius: 2px;
        }
        .faq-question .faq-icon {
            position: relative;
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            margin-left: auto;
        }
        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--gray-light);
            border-radius: 1px;
            transition: background var(--transition), transform var(--transition);
        }
        .faq-question .faq-icon::before {
            width: 16px;
            height: 2px;
            top: 7px;
            left: 0;
        }
        .faq-question .faq-icon::after {
            width: 2px;
            height: 16px;
            left: 7px;
            top: 0;
        }
        .faq-item.open .faq-question .faq-icon::after {
            transform: scaleY(0);
        }
        .faq-item.open .faq-question .faq-icon::before {
            background: var(--red);
        }
        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.3s ease;
        }
        .faq-answer .faq-answer-inner {
            overflow: hidden;
        }
        .faq-answer p {
            padding: 0 40px 24px 48px;
            font-size: 15px;
            color: var(--gray-light);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }

        /* ========== CTA区 ========== */
        .cta-section {
            padding: 96px 0;
            background: linear-gradient(rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0.85)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-form input {
            flex: 1;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transition: border-color var(--transition), background var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--gold);
            background: rgba(255, 255, 255, 0.15);
        }
        .cta-form button {
            background: var(--red);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: var(--red-dark);
        }
        .cta-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 16px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1A1A1A;
            color: #C9C4BC;
            padding: 64px 0 0;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 4fr 2fr 2fr 3fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .site-footer .footer-brand {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .site-footer .footer-brand span {
            color: var(--red);
        }
        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #A09A90;
            max-width: 340px;
        }
        .site-footer .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            font-size: 14px;
            color: #C9C4BC;
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--gold-light);
        }
        .site-footer .footer-subscribe {
            font-size: 13px;
            color: #A09A90;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .site-footer .footer-subscribe-form {
            display: flex;
            gap: 8px;
        }
        .site-footer .footer-subscribe-form input {
            flex: 1;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            color: #fff;
            transition: border-color var(--transition);
        }
        .site-footer .footer-subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-subscribe-form input:focus {
            outline: none;
            border-color: var(--gold);
        }
        .site-footer .footer-subscribe-form button {
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--gold-light);
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .site-footer .footer-subscribe-form button:hover {
            background: var(--gold);
            color: #1A1A1A;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid #3D3A34;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #8A8378;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            body {
                padding-top: 64px;
            }
            .site-header .topbar {
                display: none;
            }
            .main-nav.navbar {
                min-height: 64px;
            }
            .main-nav .navbar-collapse {
                background: var(--white);
                border-top: 1px solid var(--border);
                padding: 16px 0 20px;
            }
            .main-nav .navbar-nav .nav-link {
                padding: 14px 20px;
                font-size: 16px;
            }
            .main-nav .navbar-nav .nav-link::after {
                display: none;
            }
            .main-nav .navbar-nav .nav-link.active::after {
                display: block;
                left: 24px;
                right: auto;
                transform: none;
                width: 6px;
                height: 6px;
                top: 50%;
                bottom: auto;
                margin-top: -3px;
                border-radius: 50%;
                background: var(--red);
            }
            .main-nav .navbar-nav .nav-link.active {
                color: var(--red);
            }
            .nav-cta {
                margin: 12px 20px 4px;
                display: inline-block;
                text-align: center;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .process-step::after {
                display: none;
            }
            .topic-card .topic-card-img {
                min-height: 180px;
            }
        }
        @media (max-width: 767.98px) {
            .page-hero {
                padding: 64px 0 48px;
            }
            .features-section,
            .audience-section,
            .process-section,
            .topics-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }
            .stats-section {
                padding: 64px 0;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form button {
                width: 100%;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 16px 16px 20px;
            }
            .faq-answer p {
                padding: 0 20px 20px 24px;
                font-size: 14px;
            }
            .sidebar-wrapper {
                padding: 20px;
            }
        }
        @media (max-width: 575.98px) {
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .lead {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-red,
            .hero-actions .btn-outline-red {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
            .topic-card .topic-card-body {
                padding: 20px;
            }
            .topic-card .topic-card-body h3 {
                font-size: 18px;
            }
            .site-footer .footer-subscribe-form {
                flex-direction: column;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }