/* roulang page: index */
:root {
    --night-900: #0B0820;
    --night-800: #171033;
    --night-700: #221A46;
    --night-600: #2F2458;
    --cream-50: #FAF6EF;
    --cream-100: #F3EBDF;
    --cream-200: #E8DDCB;
    --gold-300: #F2CE8A;
    --gold-400: #E8B45E;
    --gold-500: #D99A3D;
    --gold-600: #B87A28;
    --nebula-300: #B7A8E8;
    --nebula-500: #7C5CC8;
    --nebula-700: #4B3690;
    --text-dark-primary: #1F1A2E;
    --text-dark-secondary: #5B5470;
    --text-on-night: #F2EDE8;
    --text-on-night-dim: #C4BBD6;
    --success: #3F9B6E;
    --warning: #D99A3D;
    --error: #C45444;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 30px rgba(11, 8, 32, 0.08);
    --shadow-card-hover: 0 16px 44px rgba(11, 8, 32, 0.14);
    --shadow-gold: 0 8px 24px rgba(217, 154, 61, 0.35);
    --ring-focus: 0 0 0 4px rgba(217, 154, 61, 0.25);
    --container-max: 1200px;
    --section-space: 96px;
    --space-4: 24px;
    --space-6: 40px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Inter", system-ui, sans-serif;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-dark-primary);
    background-color: var(--cream-50);
    -webkit-font-smoothing: antialiased;
}
a { color: var(--gold-600); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--gold-500); }
img { max-width: 100%; height: auto; display: block; }
input, button, textarea, select { font-family: inherit; }
.container { max-width: var(--container-max); }
section { position: relative; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 1rem;
    border-radius: var(--radius-pill);
    min-height: 48px; padding: 0 32px;
    border: 1.5px solid transparent;
    transition: all .25s ease;
    line-height: 1.2;
    outline: none;
}
.btn:focus-visible { box-shadow: var(--ring-focus); }
.btn-gold {
    background: linear-gradient(135deg, var(--gold-300) 0%, var(--gold-500) 100%);
    color: var(--text-dark-primary);
    box-shadow: var(--shadow-gold);
}
.btn-gold:hover { color: var(--text-dark-primary); filter: brightness(1.05); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(217, 154, 61, 0.4); }
.btn-gold:active { transform: translateY(1px); background: var(--gold-600); }
.btn-ghost {
    background: transparent;
    border-color: var(--gold-500);
    color: var(--gold-500);
}
.btn-ghost:hover { background: rgba(217, 154, 61, 0.12); color: var(--gold-500); transform: translateY(-2px); }
.btn-ghost-light {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.7);
    color: var(--text-on-night);
}
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.1); color: var(--text-on-night); }
.btn-sm { min-height: 44px; padding: 0 24px; font-size: 0.9375rem; }
.btn-link-custom {
    display: inline-flex; align-items: center; gap: 6px;
    font-weight: 600; color: var(--gold-600);
    background: none; border: none; padding: 0;
    font-size: 0.9375rem; transition: gap .2s ease;
}
.btn-link-custom:hover { gap: 12px; color: var(--gold-500); }
.btn-link-custom i { font-size: 0.8125rem; }

/* ===== Header ===== */
.site-header {
    position: sticky; top: 0; z-index: 1000;
    background: linear-gradient(180deg, rgba(11, 8, 32, 0.95) 0%, rgba(23, 16, 51, 0.92) 100%);
    border-bottom: 1px solid rgba(217, 154, 61, 0.15);
    backdrop-filter: blur(6px);
}
.custom-navbar { padding: 14px 0; }
.brand-logo {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none;
}
.brand-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--night-900);
    font-size: 1.125rem;
    box-shadow: 0 4px 12px rgba(217, 154, 61, 0.3);
}
.brand-text {
    font-size: 1.25rem; font-weight: 700;
    color: var(--text-on-night);
    letter-spacing: 0.02em;
}
.brand-text span { color: var(--gold-300); }
.custom-navbar .nav-link {
    color: var(--text-on-night-dim);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 8px 16px;
    margin: 0 2px;
    border-radius: var(--radius-pill);
    transition: all .2s ease;
}
.custom-navbar .nav-link:hover { color: var(--text-on-night); background: rgba(255, 255, 255, 0.08); }
.custom-navbar .nav-link.active {
    color: var(--gold-300);
    position: relative;
}
.custom-navbar .nav-link.active::after {
    content: '';
    position: absolute;
    left: 16px; right: 16px; bottom: 0;
    height: 2px;
    background: var(--gold-500);
    border-radius: 2px;
}
.nav-command {
    display: flex; align-items: center; gap: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    height: 40px;
    color: var(--text-on-night-dim);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all .2s ease;
    min-width: 160px;
}
.nav-command:hover { border-color: rgba(217, 154, 61, 0.5); background: rgba(255, 255, 255, 0.1); }
.nav-command:focus-within { box-shadow: var(--ring-focus); border-color: var(--gold-500); }
.nav-command i { font-size: 0.875rem; color: var(--gold-300); }
.nav-command .kbd-hint {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.6875rem;
    color: var(--text-on-night-dim);
    font-family: monospace;
}
.nav-quick {
    width: 40px; height: 40px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-on-night-dim);
    font-size: 0.9375rem;
    transition: all .2s ease;
}
.nav-quick:hover { color: var(--gold-300); border-color: rgba(217, 154, 61, 0.4); background: rgba(217, 154, 61, 0.08); }
.custom-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-on-night);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
}
.custom-navbar .navbar-toggler:focus { box-shadow: var(--ring-focus); }
.custom-navbar .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(242, 237, 232, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Hero ===== */
.hero {
    background:
        radial-gradient(ellipse at 80% 20%, rgba(217, 154, 61, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, var(--night-900) 0%, var(--night-700) 45%, var(--gold-600) 130%);
    padding: 96px 0 80px;
    position: relative;
    overflow: hidden;
    color: var(--text-on-night);
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.25) 50%, transparent 50%),
        radial-gradient(1px 1px at 45% 65%, rgba(255,255,255,0.18) 50%, transparent 50%),
        radial-gradient(2px 2px at 70% 15%, rgba(255,255,255,0.2) 50%, transparent 50%),
        radial-gradient(1px 1px at 90% 45%, rgba(255,255,255,0.15) 50%, transparent 50%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-on-night);
    margin-bottom: 20px;
}
.hero h1 .gold-highlight { color: var(--gold-300); }
.hero-sub {
    font-size: 1.125rem;
    color: var(--text-on-night-dim);
    max-width: 480px;
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero-trust {
    display: flex; flex-wrap: wrap; gap: 20px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.trust-item {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.875rem;
    color: var(--text-on-night-dim);
}
.trust-item i { color: var(--gold-300); font-size: 0.8125rem; }
.hero-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    position: relative;
}
.hero-visual img { width: 100%; height: auto; display: block; }
.hero-visual::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(11, 8, 32, 0.4) 100%);
}
.hero-bottom-line {
    width: 40%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
    border-radius: 3px;
    margin: 64px auto 0;
    position: relative;
    z-index: 2;
}

/* ===== Pain Strip ===== */
.pain-strip {
    background: var(--cream-50);
    padding: 56px 0;
    border-bottom: 1px solid var(--cream-200);
}
.pain-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}
.pain-item {
    display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.pain-item i {
    font-size: 1.75rem;
    color: var(--gold-500);
    opacity: 0.8;
}
.pain-item p {
    font-size: 0.9375rem;
    color: var(--text-dark-secondary);
    margin: 0;
    line-height: 1.6;
    font-weight: 500;
}
@media (max-width: 992px) {
    .pain-row { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
@media (max-width: 576px) {
    .pain-row { grid-template-columns: 1fr; gap: 20px; }
}

/* ===== Solutions ===== */
.solutions {
    background: var(--cream-50);
    padding: var(--section-space) 0;
}
.section-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gold-600);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    display: inline-flex; align-items: center; gap: 8px;
}
.section-label::before {
    content: '';
    width: 24px; height: 2px;
    background: var(--gold-500);
    border-radius: 2px;
}
.section-h2 {
    font-size: clamp(1.5rem, 2.8vw, 2.125rem);
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-dark-primary);
    margin-bottom: 12px;
}
.section-desc {
    color: var(--text-dark-secondary);
    font-size: 1rem;
    max-width: 560px;
    margin-bottom: 48px;
    line-height: 1.7;
}
.solution-card {
    background: var(--cream-100);
    border-radius: var(--radius-lg);
    padding: 32px;
    height: 100%;
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}
.solution-card::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--gold-300), var(--gold-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
}
.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    background: var(--cream-50);
}
.solution-card:hover::before { transform: scaleX(1); }
.solution-icon {
    width: 56px; height: 56px;
    border-radius: var(--radius-md);
    background: rgba(217, 154, 61, 0.12);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.375rem;
    color: var(--gold-600);
    margin-bottom: 20px;
}
.solution-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark-primary);
    margin-bottom: 10px;
}
.solution-card > p {
    font-size: 0.9375rem;
    color: var(--text-dark-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.solution-tags {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-bottom: 20px;
}
.solution-tags .tag {
    background: rgba(217, 154, 61, 0.08);
    border: 1px solid rgba(217, 154, 61, 0.2);
    color: var(--text-dark-secondary);
    font-size: 0.8125rem;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-weight: 500;
}
.solution-card .btn-link-custom { margin-top: auto; }
.solution-wide {
    background: linear-gradient(135deg, var(--night-800) 0%, var(--night-700) 60%, rgba(184, 122, 40, 0.3) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 32px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.solution-wide-left {
    display: flex; align-items: center; gap: 24px;
    flex: 1; min-width: 280px;
}
.solution-wide-icon {
    width: 64px; height: 64px;
    border-radius: var(--radius-md);
    background: rgba(217, 154, 61, 0.15);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    color: var(--gold-300);
    flex-shrink: 0;
}
.solution-wide h3 {
    color: var(--text-on-night);
    font-size: 1.25rem; font-weight: 600;
    margin-bottom: 6px;
}
.solution-wide p {
    color: var(--text-on-night-dim);
    font-size: 0.9375rem;
    margin: 0;
    line-height: 1.6;
}
.solution-wide .tags-row {
    display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px;
}
.solution-wide .tags-row .tag {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text-on-night-dim);
}
@media (max-width: 768px) {
    .solution-wide { flex-direction: column; align-items: flex-start; }
    .solution-wide-left { flex-direction: column; align-items: flex-start; }
}

/* ===== Stats ===== */
.stats-section {
    background: var(--cream-100);
    padding: 64px 0;
}
.stats-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}
.stat-badge {
    background: var(--cream-50);
    border: 2px solid var(--gold-400);
    border-radius: var(--radius-md);
    padding: 24px 32px;
    text-align: center;
    min-width: 160px;
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease;
}
.stat-badge:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}
.stat-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold-500);
    line-height: 1.2;
    font-family: "Inter", sans-serif;
}
.stat-label {
    font-size: 0.875rem;
    color: var(--text-dark-secondary);
    margin-top: 6px;
    font-weight: 500;
}

/* ===== CTA Banner ===== */
.cta-banner {
    background:
        radial-gradient(ellipse at 15% 80%, rgba(217, 154, 61, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, var(--night-900) 0%, var(--night-700) 60%, rgba(184, 122, 40, 0.2) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--text-on-night);
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        radial-gradient(1px 1px at 15% 25%, rgba(255,255,255,0.2) 50%, transparent 50%),
        radial-gradient(1px 1px at 85% 20%, rgba(255,255,255,0.15) 50%, transparent 50%),
        radial-gradient(2px 2px at 50% 80%, rgba(255,255,255,0.1) 50%, transparent 50%);
    pointer-events: none;
}
.cta-banner .container { position: relative; z-index: 2; }
.cta-banner h2 {
    font-size: clamp(1.5rem, 2.8vw, 2rem);
    font-weight: 700;
    margin-bottom: 12px;
}
.cta-banner p {
    color: var(--text-on-night-dim);
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto 28px;
}
.cta-banner .btn-gold { min-height: 52px; }

/* ===== Privacy Note ===== */
.privacy-note {
    background: var(--cream-100);
    padding: 24px 0;
    border-bottom: 1px solid var(--cream-200);
}
.privacy-inner {
    display: flex; align-items: center; justify-content: center;
    gap: 16px;
    text-align: left;
    max-width: 720px;
    margin: 0 auto;
    flex-wrap: wrap;
}
.privacy-inner i {
    font-size: 1.375rem;
    color: var(--gold-600);
    flex-shrink: 0;
}
.privacy-inner p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--text-dark-secondary);
    line-height: 1.6;
}
.privacy-inner a {
    font-size: 0.8125rem;
    color: var(--gold-600);
    text-decoration: underline;
    margin-left: 8px;
}

/* ===== News Section ===== */
.news-section {
    background: var(--cream-50);
    padding: var(--section-space) 0;
}
.news-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap; gap: 16px;
}
.news-head h2 { margin: 0; }
.news-link-all {
    font-weight: 600;
    color: var(--gold-600);
    font-size: 0.9375rem;
    display: inline-flex; align-items: center; gap: 6px;
}
.news-link-all:hover { gap: 12px; color: var(--gold-500); }
.news-list {
    background: var(--cream-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--cream-200);
    overflow: hidden;
}
.news-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 24px 32px;
    border-bottom: 1px solid var(--cream-200);
    transition: background .2s ease;
    text-decoration: none;
    gap: 20px;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: rgba(217, 154, 61, 0.04); }
.news-left { flex: 1; min-width: 0; }
.news-cat {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold-600);
    background: rgba(217, 154, 61, 0.1);
    border-radius: var(--radius-pill);
    padding: 2px 12px;
    margin-bottom: 8px;
}
.news-item h4 {
    font-size: 1.0625rem;
    color: var(--text-dark-primary);
    margin: 0 0 6px;
    transition: color .2s ease;
    line-height: 1.4;
    font-weight: 600;
}
.news-item:hover h4 { color: var(--gold-600); }
.news-item p {
    font-size: 0.875rem;
    color: var(--text-dark-secondary);
    margin: 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-meta {
    font-size: 0.75rem;
    color: var(--text-dark-secondary);
    margin-top: 8px;
    display: flex; align-items: center; gap: 12px;
}
.news-meta i { color: var(--gold-400); font-size: 0.6875rem; }
.news-date {
    text-align: center;
    flex-shrink: 0;
}
.date-num {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gold-500);
    font-family: "Inter", sans-serif;
    display: block;
    line-height: 1;
}
.date-month {
    font-size: 0.75rem;
    color: var(--text-dark-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-top: 4px;
}
.news-empty {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-dark-secondary);
}
.news-empty i {
    font-size: 2rem;
    color: var(--gold-400);
    display: block;
    margin-bottom: 12px;
}
.news-empty p { margin: 0; font-size: 0.9375rem; }
@media (max-width: 768px) {
    .news-item { flex-direction: column; align-items: flex-start; padding: 20px; }
    .news-date { display: none; }
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--cream-100);
    padding: var(--section-space) 0;
}
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-card {
    background: var(--cream-50);
    border: 1px solid var(--cream-200);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: border-color .2s ease;
}
.faq-card:hover { border-color: var(--gold-400); }
.faq-card.open { border-color: var(--gold-500); }
.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark-primary);
    transition: color .2s ease;
}
.faq-question:hover { color: var(--gold-600); }
.faq-question .faq-icon {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(217, 154, 61, 0.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.875rem;
    color: var(--gold-600);
    transition: transform .3s ease;
    flex-shrink: 0;
}
.faq-card.open .faq-icon { transform: rotate(45deg); background: var(--gold-500); color: #fff; }
.faq-answer {
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    font-size: 0.9375rem;
    color: var(--text-dark-secondary);
    line-height: 1.75;
}
.faq-card.open .faq-answer { max-height: 300px; padding-bottom: 20px; }
.faq-more {
    text-align: center;
    margin-top: 28px;
    font-size: 0.9375rem;
    color: var(--text-dark-secondary);
}
.faq-more a { font-weight: 600; }

/* ===== Footer ===== */
.site-footer {
    background: linear-gradient(180deg, var(--night-900) 0%, var(--night-800) 100%);
    color: var(--text-on-night-dim);
    padding: 72px 0 0;
    border-top: 1px solid rgba(217, 154, 61, 0.15);
}
.footer-brand .brand-text { font-size: 1.375rem; }
.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-on-night-dim);
    margin-top: 16px;
    line-height: 1.7;
    max-width: 280px;
}
.footer-social {
    display: flex; gap: 12px; margin-top: 20px;
}
.footer-social a {
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-on-night-dim);
    font-size: 0.875rem;
    transition: all .2s ease;
}
.footer-social a:hover { color: var(--gold-300); border-color: rgba(217, 154, 61, 0.4); background: rgba(217, 154, 61, 0.08); }
.footer-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-on-night);
    margin-bottom: 18px;
}
.footer-links-list { list-style: none; padding: 0; margin: 0; }
.footer-links-list li { margin-bottom: 10px; }
.footer-links-list a {
    color: var(--text-on-night-dim);
    font-size: 0.875rem;
    transition: color .2s ease;
}
.footer-links-list a:hover { color: var(--gold-300); }
.footer-contact p {
    font-size: 0.875rem;
    color: var(--text-on-night-dim);
    margin-bottom: 10px;
    display: flex; align-items: center; gap: 8px;
}
.footer-contact i { color: var(--gold-400); font-size: 0.8125rem; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px 0;
    margin-top: 48px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
    font-size: 0.8125rem;
    color: var(--text-on-night-dim);
}
.footer-bottom-links a {
    color: var(--text-on-night-dim);
    font-size: 0.8125rem;
    margin-left: 20px;
    transition: color .2s ease;
}
.footer-bottom-links a:hover { color: var(--gold-300); }

/* ===== Modal ===== */
.custom-modal .modal-content {
    background: var(--cream-50);
    border-radius: var(--radius-lg);
    border: none;
    padding: 16px;
    box-shadow: 0 20px 60px rgba(11, 8, 32, 0.3);
}
.custom-modal .modal-header {
    border-bottom: none;
    padding: 16px 16px 8px;
}
.custom-modal .modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark-primary);
}
.custom-modal .btn-close {
    background: transparent;
    border: 1px solid var(--cream-200);
    border-radius: 50%;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    opacity: 1;
    transition: all .2s ease;
}
.custom-modal .btn-close:hover { border-color: var(--gold-500); color: var(--gold-600); }
.custom-modal .modal-body { padding: 16px 24px 24px; }
.custom-modal .form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark-primary);
    margin-bottom: 6px;
}
.custom-modal .form-control {
    height: 48px;
    border-radius: 12px;
    border: 1.5px solid var(--cream-200);
    background: var(--cream-50);
    padding: 0 16px;
    font-size: 0.9375rem;
    transition: all .2s ease;
    color: var(--text-dark-primary);
}
.custom-modal .form-control:focus {
    border-color: var(--gold-500);
    box-shadow: var(--ring-focus);
    background: #fff;
}
.custom-modal textarea.form-control {
    height: auto;
    min-height: 100px;
    padding: 12px 16px;
    resize: vertical;
}
.custom-modal .btn-submit {
    width: 100%;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
    border: none;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-dark-primary);
    box-shadow: var(--shadow-gold);
    transition: all .2s ease;
}
.custom-modal .btn-submit:hover { filter: brightness(1.05); transform: translateY(-1px); }
.custom-modal .btn-submit:active { transform: translateY(1px); background: var(--gold-600); }
.modal-privacy {
    font-size: 0.75rem;
    color: var(--text-dark-secondary);
    margin-top: 16px;
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.modal-privacy i { color: var(--success); }

/* ===== Accessibility ===== */
:focus-visible {
    outline: none;
    box-shadow: var(--ring-focus);
}
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .custom-navbar .navbar-collapse {
        background: var(--night-800);
        border-radius: var(--radius-md);
        padding: 16px;
        margin-top: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .custom-navbar .nav-link { padding: 10px 16px; }
    .nav-right {
        display: flex; align-items: center; gap: 12px;
        margin-top: 12px;
        flex-wrap: wrap;
    }
    .nav-command { flex: 1; min-width: 200px; }
    .hero { padding: 64px 0 56px; }
    .hero-visual { margin-top: 32px; }
    .section-space { --section-space: 64px; }
}
@media (max-width: 768px) {
    :root { --section-space: 56px; }
    .hero h1 { font-size: 1.75rem; }
    .hero-sub { font-size: 1rem; }
    .btn { min-height: 44px; padding: 0 24px; }
    .solution-card { padding: 24px; }
    .stats-wrap { gap: 16px; }
    .stat-badge { min-width: 130px; padding: 18px 20px; }
    .stat-num { font-size: 1.625rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-bottom-links a { margin: 0 10px; }
    .privacy-inner { text-align: center; flex-direction: column; gap: 8px; }
}

/* roulang page: article */
:root{
    --night-900:#0B0820;--night-800:#171033;--night-700:#221A46;--night-600:#2F2458;
    --cream-50:#FAF6EF;--cream-100:#F3EBDF;--cream-200:#E8DDCB;
    --gold-300:#F2CE8A;--gold-400:#E8B45E;--gold-500:#D99A3D;--gold-600:#B87A28;
    --nebula-300:#B7A8E8;--nebula-500:#7C5CC8;--nebula-700:#4B3690;
    --text-dark-primary:#1F1A2E;--text-dark-secondary:#5B5470;
    --text-on-night:#F2EDE8;--text-on-night-dim:#C4BBD6;
    --success:#3F9B6E;--warning:#D99A3D;--error:#C45444;
    --radius-lg:24px;--radius-md:16px;--radius-sm:10px;--radius-pill:999px;
    --shadow-card:0 8px 30px rgba(11,8,32,0.08);
    --shadow-card-hover:0 16px 44px rgba(11,8,32,0.14);
    --shadow-gold:0 8px 24px rgba(217,154,61,0.35);
    --ring-focus:0 0 0 4px rgba(217,154,61,0.25);
    --container-max:1200px;--section-space:96px;--space-4:24px;--space-6:40px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
    background:var(--cream-50);color:var(--text-dark-primary);line-height:1.75;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--gold-500)}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.container{max-width:1200px}
@media(max-width:575.98px){
    body{font-size:.9375rem}
    .container{padding-left:18px;padding-right:18px}
}
/* 按钮体系 */
.btn{
    border-radius:var(--radius-pill);font-weight:600;transition:all .25s;letter-spacing:.01em;
}
.btn-gold{
    background:linear-gradient(135deg,var(--gold-300),var(--gold-500));
    color:#1F1A2E;border:none;min-height:44px;padding:10px 30px;box-shadow:var(--shadow-gold);
}
.btn-gold:hover{
    color:#1F1A2E;transform:translateY(-2px);filter:brightness(1.05);
    box-shadow:0 12px 30px rgba(217,154,61,.45);
}
.btn-gold:active{transform:translateY(0);background:var(--gold-600)}
.btn-gold:focus-visible{box-shadow:var(--ring-focus)}
.btn-gold.btn-sm{min-height:40px;padding:8px 22px;font-size:.875rem}
.btn-outline-gold{
    background:transparent;border:1.5px solid var(--gold-500);color:var(--gold-500);min-height:44px;padding:10px 28px;
}
.btn-outline-gold:hover{background:rgba(217,154,61,.1);color:var(--gold-600);transform:translateY(-2px)}
.btn-outline-gold:active{background:rgba(217,154,61,.18)}
.btn-outline-gold:focus-visible{box-shadow:var(--ring-focus)}
.btn-text-link{display:inline-flex;align-items:center;gap:8px;color:var(--gold-600);font-weight:600;padding:6px 4px;border-radius:4px}
.btn-text-link:hover{gap:12px;color:var(--gold-500)}
.btn-text-link:focus-visible{outline:none;box-shadow:var(--ring-focus)}
/* Header 导航 */
.site-header{
    position:sticky;top:0;z-index:1000;background:rgba(11,8,32,.92);
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    border-bottom:1px solid rgba(255,255,255,.06);
}
.custom-navbar{padding-top:12px;padding-bottom:12px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
    width:40px;height:40px;border-radius:50%;
    background:linear-gradient(135deg,var(--gold-300),var(--gold-500));
    color:#1F1A2E;display:inline-flex;align-items:center;justify-content:center;
    font-size:17px;box-shadow:var(--shadow-gold);
}
.brand-text{font-size:1.125rem;font-weight:700;color:var(--text-on-night);letter-spacing:.02em;white-space:nowrap}
.brand-text span{color:var(--gold-300)}
.navbar-nav{gap:4px;margin:0 auto}
.nav-link{
    color:var(--text-on-night-dim);font-size:.9375rem;font-weight:500;
    padding:10px 16px !important;border-radius:var(--radius-sm);
    position:relative;transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--text-on-night);background:rgba(255,255,255,.06)}
.nav-link:focus-visible{box-shadow:var(--ring-focus)}
.nav-link.active{color:var(--text-on-night);font-weight:600}
.nav-link.active::after{
    content:'';position:absolute;left:16px;right:16px;bottom:4px;height:2px;
    border-radius:2px;background:linear-gradient(90deg,var(--gold-300),var(--gold-500));
}
.nav-right{gap:10px;flex-shrink:0}
.nav-command{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
    border-radius:var(--radius-pill);background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);color:var(--text-on-night-dim);
    font-size:.875rem;cursor:pointer;transition:all .2s;user-select:none;
}
.nav-command:hover{border-color:var(--gold-400);background:rgba(255,255,255,.1);color:var(--text-on-night)}
.nav-command:focus{outline:none;box-shadow:var(--ring-focus)}
.kbd-hint{font-size:.75rem;padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.12);color:var(--text-on-night-dim);font-family:inherit}
.nav-quick{
    width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.06);
    color:var(--text-on-night-dim);display:inline-flex;align-items:center;justify-content:center;
    font-size:.9375rem;transition:all .2s;
}
.nav-quick:hover{color:var(--gold-300);background:rgba(255,255,255,.12);transform:translateY(-1px)}
.nav-quick:focus-visible{box-shadow:var(--ring-focus)}
.navbar-toggler{border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:6px 10px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(217,154,61,.3)}
.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(242,237,232,.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
/* 面包屑 */
.breadcrumb-bar{
    background:var(--cream-100);border-bottom:1px solid var(--cream-200);padding:14px 0;
}
.breadcrumb{margin-bottom:0;padding:0;background:transparent}
.breadcrumb-item{font-size:.875rem;color:var(--text-dark-secondary)}
.breadcrumb-item a{color:var(--text-dark-secondary);transition:color .2s}
.breadcrumb-item a:hover{color:var(--gold-600)}
.breadcrumb-item.active{color:var(--text-dark-secondary)}
.breadcrumb-item+.breadcrumb-item::before{color:var(--gold-500);content:"›"}
/* 文章主体 */
.article-wrapper{padding:64px 0 72px;background:var(--cream-50)}
.article-head{max-width:860px;margin:0 auto 32px;text-align:center;padding:0 24px}
.article-head h1{
    font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.3;font-weight:700;color:var(--text-dark-primary);
    margin-bottom:18px;letter-spacing:-.01em;
}
.article-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 22px;color:var(--text-dark-secondary);font-size:.875rem}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--gold-500);font-size:.8125rem}
.article-cover{
    max-width:960px;margin:0 auto 44px;border-radius:var(--radius-lg);overflow:hidden;
    aspect-ratio:16/9;background:linear-gradient(135deg,var(--night-800),var(--night-700),var(--gold-600));
    display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card);position:relative;
}
.article-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.article-cover:hover img{transform:scale(1.02)}
.article-cover-placeholder{color:var(--gold-300);font-size:2.5rem;opacity:.8}
.article-cover-placeholder i{filter:drop-shadow(0 0 12px rgba(217,154,61,.4))}
.article-content-wrap{max-width:760px;margin:0 auto;padding:0 24px}
.article-content{font-size:1rem;line-height:1.9;color:var(--text-dark-primary)}
.article-content h2{
    font-size:1.5rem;font-weight:700;margin-top:46px;margin-bottom:18px;
    padding-bottom:10px;border-bottom:1px solid var(--cream-200);position:relative;
}
.article-content h2::before{
    content:'';position:absolute;bottom:-1px;left:0;width:52px;height:2px;
    background:linear-gradient(90deg,var(--gold-400),var(--gold-500));border-radius:2px;
}
.article-content h3{font-size:1.2rem;font-weight:600;margin-top:34px;margin-bottom:14px}
.article-content p{margin-bottom:22px}
.article-content a{color:var(--gold-600);text-decoration:underline;text-decoration-color:rgba(217,154,61,.3);text-underline-offset:4px;transition:all .2s}
.article-content a:hover{color:var(--gold-500);text-decoration-color:var(--gold-500)}
.article-content blockquote{
    border-left:4px solid var(--gold-500);background:var(--cream-100);padding:18px 24px;
    margin:28px 0;border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-dark-secondary);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul,.article-content ol{margin:20px 0;padding-left:24px}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius-md);margin:26px 0;box-shadow:var(--shadow-card)}
.article-content figure{margin:26px 0}
.article-content figcaption{font-size:.8125rem;color:var(--text-dark-secondary);text-align:center;margin-top:10px}
.article-content table{width:100%;margin:26px 0;border-collapse:collapse;font-size:.9375rem}
.article-content th,.article-content td{border:1px solid var(--cream-200);padding:10px 14px;text-align:left}
.article-content th{background:var(--cream-100);font-weight:600}
/* 标签区 */
.article-tags{max-width:760px;margin:42px auto 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:0 24px}
.article-tag{
    display:inline-block;padding:6px 16px;border-radius:var(--radius-pill);
    background:var(--cream-100);border:1px solid var(--cream-200);
    color:var(--text-dark-secondary);font-size:.8125rem;transition:all .2s;
}
.article-tag:hover{border-color:var(--gold-500);color:var(--gold-600);background:rgba(217,154,61,.08)}
.article-tag:focus-visible{outline:none;box-shadow:var(--ring-focus)}
/* 上一篇/下一篇 */
.article-pagination{max-width:760px;margin:48px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:0 24px}
.article-pagination a{
    display:flex;flex-direction:column;padding:18px 22px;background:var(--cream-100);
    border-radius:var(--radius-md);border:1px solid var(--cream-200);color:var(--text-dark-primary);
    font-size:.875rem;transition:all .25s;
}
.article-pagination a:hover{border-color:var(--gold-400);background:#fff;box-shadow:var(--shadow-card);transform:translateY(-2px);color:var(--text-dark-primary)}
.article-pagination a:focus-visible{box-shadow:var(--ring-focus)}
.article-pagination .pagination-label{color:var(--text-dark-secondary);font-size:.75rem;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.article-pagination .pagination-next{text-align:right}
.article-pagination .pagination-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 内容未找到 */
.article-not-found{max-width:560px;margin:0 auto;padding:88px 24px;text-align:center}
.not-found-icon{
    width:76px;height:76px;margin:0 auto 22px;border-radius:50%;
    background:linear-gradient(135deg,var(--gold-300),var(--gold-500));color:#1F1A2E;
    font-size:30px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-gold);
}
.article-not-found h2{font-size:1.5rem;font-weight:700;margin-bottom:12px;color:var(--text-dark-primary)}
.article-not-found p{color:var(--text-dark-secondary);margin-bottom:26px}
/* 相关推荐 */
.related-section{padding:72px 0;background:var(--cream-100)}
.section-title-wrap{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}
.section-title{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;color:var(--text-dark-primary);margin:0;position:relative;padding-left:16px}
.section-title::before{
    content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:4px;height:26px;border-radius:4px;background:linear-gradient(180deg,var(--gold-300),var(--gold-500));
}
.section-link{color:var(--gold-600);font-weight:600;font-size:.9375rem;display:inline-flex;align-items:center;gap:6px;transition:gap .2s,color .2s}
.section-link:hover{gap:10px;color:var(--gold-500)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
    background:var(--cream-50);border-radius:var(--radius-lg);overflow:hidden;
    border:1px solid var(--cream-200);box-shadow:var(--shadow-card);transition:all .3s;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:var(--gold-300)}
.related-card-img{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--night-700),var(--night-800));position:relative}
.related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .related-card-img img{transform:scale(1.04)}
.related-card-body{padding:22px 24px}
.related-card-body h3{font-size:1.0625rem;font-weight:600;line-height:1.5;margin-bottom:10px}
.related-card-body h3 a{color:var(--text-dark-primary);transition:color .2s}
.related-card-body h3 a:hover{color:var(--gold-600)}
.related-card-time{font-size:.8125rem;color:var(--text-dark-secondary);display:flex;align-items:center;gap:6px}
/* 返回入口 */
.article-return{padding:44px 0 80px;background:var(--cream-100);text-align:center}
/* Footer */
.site-footer{
    background:linear-gradient(180deg,var(--night-900),var(--night-800));
    color:var(--text-on-night-dim);padding-top:72px;border-top:1px solid rgba(217,154,61,.15);
    font-size:.9375rem;
}
.footer-brand .brand-text{font-size:1.25rem}
.footer-brand p{margin-top:16px;line-height:1.8;max-width:320px;color:var(--text-on-night-dim)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
    width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:50%;background:rgba(255,255,255,.06);color:var(--text-on-night-dim);transition:all .2s;
}
.footer-social a:hover{color:var(--gold-300);background:rgba(255,255,255,.12);transform:translateY(-2px)}
.footer-title{color:var(--text-on-night);font-weight:600;font-size:1rem;margin-bottom:18px}
.footer-links-list{list-style:none;padding:0;margin:0}
.footer-links-list li{margin-bottom:10px}
.footer-links-list a{color:var(--text-on-night-dim);transition:all .2s}
.footer-links-list a:hover{color:var(--gold-300);padding-left:4px}
.footer-contact p{margin:0 0 8px;display:flex;align-items:center;gap:8px;color:var(--text-on-night-dim)}
.footer-contact i{color:var(--gold-400);width:16px;text-align:center}
.footer-bottom{
    margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;
    font-size:.8125rem;color:var(--text-on-night-dim);
}
@media(max-width:991.98px){
    .navbar-collapse{
        background:rgba(11,8,32,.98);border-radius:var(--radius-md);padding:18px;
        margin-top:12px;border:1px solid rgba(255,255,255,.08);
    }
    .navbar-nav{margin:0 0 14px}
    .nav-right{flex-wrap:wrap;gap:10px}
    .nav-command span:nth-child(2){display:none}
    .nav-command{width:40px;padding:0;justify-content:center;gap:0}
    .kbd-hint{display:none}
    .nav-quick{width:40px;height:40px}
}
@media(max-width:767.98px){
    .article-wrapper{padding:40px 0 56px}
    .related-section{padding:48px 0}
    .related-grid{grid-template-columns:1fr}
    .article-pagination{grid-template-columns:1fr}
    .article-meta{gap:10px 16px}
    .article-cover{margin-bottom:28px}
    .section-title-wrap{flex-direction:column;align-items:flex-start;gap:10px}
    .footer-bottom{flex-direction:column;gap:10px;text-align:center}
    .site-footer{padding-top:48px}
}
@media(max-width:575.98px){
    .brand-text{font-size:1rem}
    .brand-icon{width:36px;height:36px;font-size:15px}
    .nav-right .btn-gold{padding:8px 14px;font-size:.8125rem;min-height:38px}
    .nav-quick{display:none}
    .article-head h1{font-size:1.5rem}
    .article-content{font-size:.9375rem}
    .article-pagination .pagination-title{white-space:normal}
    .article-tags{justify-content:flex-start}
}
/* Modal 表单 */
.modal-content{border-radius:var(--radius-lg);border:none;background:var(--cream-50);box-shadow:var(--shadow-card-hover)}
.modal-header{border-bottom:1px solid var(--cream-200);padding:24px 32px 16px}
.modal-title{font-weight:700;color:var(--text-dark-primary)}
.modal-body{padding:24px 32px 32px}
.btn-close{background:transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231F1A2E'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;opacity:.5;width:36px;height:36px;border-radius:50%;transition:all .2s}
.btn-close:hover{opacity:.85;background-color:var(--cream-100);transform:rotate(90deg)}
.btn-close:focus{box-shadow:none;outline:2px solid var(--gold-400);outline-offset:2px;border-radius:50%}
.form-label{font-size:.875rem;font-weight:600;color:var(--text-dark-primary);margin-bottom:6px}
.form-control{
    height:48px;border-radius:var(--radius-sm);border:1.5px solid var(--cream-200);
    background:#fff;color:var(--text-dark-primary);padding:10px 16px;font-size:.9375rem;transition:all .2s;
}
.form-control::placeholder{color:#9B93A8;opacity:.7}
.form-control:focus{border-color:var(--gold-400);box-shadow:0 0 0 4px rgba(217,154,61,.15);outline:none;background:#fff}
textarea.form-control{height:auto;min-height:96px}
.modal-privacy{font-size:.75rem;color:var(--text-dark-secondary);margin-top:16px;text-align:center;display:flex;align-items:center;justify-content:center;gap:6px;line-height:1.5}
.modal-dialog{margin:1rem auto}
/* 搜索 Modal */
.search-modal-content{background:var(--cream-50);border-radius:var(--radius-lg);border:none}
.search-modal-content .modal-body{padding:28px 32px 32px}
.search-input-wrap{
    display:flex;align-items:center;gap:12px;background:#fff;border:1.5px solid var(--cream-200);
    border-radius:var(--radius-md);padding:4px 18px;transition:border-color .2s,box-shadow .2s;
}
.search-input-wrap:focus-within{border-color:var(--gold-400);box-shadow:var(--ring-focus)}
.search-input-wrap i{color:var(--text-dark-secondary)}
.search-input-wrap input{border:none;flex:1;height:48px;background:transparent;font-size:1rem;outline:none;color:var(--text-dark-primary)}
.search-input-wrap input::placeholder{color:#9B93A8;opacity:.8}
.search-input-wrap kbd{background:var(--cream-100);color:var(--text-dark-secondary);border-radius:6px;padding:3px 8px;font-size:.75rem;font-family:inherit;border:1px solid var(--cream-200)}
.search-suggest-title{font-size:.8125rem;color:var(--text-dark-secondary);margin-bottom:12px}
.search-tags{display:flex;flex-wrap:wrap;gap:8px}
.search-tags a{
    padding:6px 16px;border-radius:var(--radius-pill);background:var(--cream-100);
    border:1px solid var(--cream-200);color:var(--text-dark-secondary);font-size:.8125rem;transition:all .2s;
}
.search-tags a:hover{border-color:var(--gold-400);color:var(--gold-600);background:rgba(217,154,61,.08)}
/* 通用焦点 */
a:focus-visible,button:focus-visible{outline:none;box-shadow:var(--ring-focus);border-radius:6px}

/* roulang page: category1 */
:root {
            --night-900: #0B0820;
            --night-800: #171033;
            --night-700: #221A46;
            --night-600: #2F2458;
            --cream-50: #FAF6EF;
            --cream-100: #F3EBDF;
            --cream-200: #E8DDCB;
            --gold-300: #F2CE8A;
            --gold-400: #E8B45E;
            --gold-500: #D99A3D;
            --gold-600: #B87A28;
            --nebula-300: #B7A8E8;
            --nebula-500: #7C5CC8;
            --nebula-700: #4B3690;
            --text-dark-primary: #1F1A2E;
            --text-dark-secondary: #5B5470;
            --text-on-night: #F2EDE8;
            --text-on-night-dim: #C4BBD6;
            --success: #3F9B6E;
            --warning: #D99A3D;
            --error: #C45444;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 30px rgba(11, 8, 32, 0.08);
            --shadow-card-hover: 0 16px 44px rgba(11, 8, 32, 0.14);
            --shadow-gold: 0 8px 24px rgba(217, 154, 61, 0.35);
            --ring-focus: 0 0 0 4px rgba(217, 154, 61, 0.25);
            --container-max: 1200px;
            --section-space: 96px;
            --space-4: 24px;
            --space-6: 40px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--cream-50);
            color: var(--text-dark-primary);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

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

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

        .container {
            max-width: var(--container-max);
        }

        section {
            position: relative;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9375rem;
            line-height: 1.2;
            min-height: 48px;
            padding: 12px 32px;
            border: 1.5px solid transparent;
            transition: all .25s ease;
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: var(--ring-focus) !important;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold-300) 0%, var(--gold-500) 100%);
            color: var(--text-dark-primary) !important;
            border-color: transparent;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(217, 154, 61, 0.45);
        }

        .btn-gold:active {
            transform: translateY(1px) scale(0.98);
            filter: brightness(0.96);
            background: var(--gold-600);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.75);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            background: transparent;
            border-color: var(--gold-500);
            color: var(--gold-500);
        }

        .btn-outline-gold:hover {
            background: rgba(217, 154, 61, 0.1);
            color: var(--gold-600);
            border-color: var(--gold-600);
        }

        .btn-sm {
            min-height: 44px;
            padding: 10px 24px;
            font-size: 0.875rem;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: none;
            border: none;
            color: var(--gold-600);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 6px 0;
            cursor: pointer;
        }

        .btn-text i {
            transition: transform .25s ease;
        }

        .btn-text:hover i {
            transform: translateX(4px);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 8, 32, 0.92);
            border-bottom: 1px solid rgba(242, 206, 138, 0.12);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 8, 32, 0.97);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.25);
        }

        .custom-navbar {
            padding: 12px 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-on-night);
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--gold-300);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
            color: var(--night-900);
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
        }

        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .brand-text span {
            color: var(--gold-400);
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: rgba(242, 237, 232, 0.78);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            transition: all .2s ease;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--text-on-night);
            background: rgba(255, 255, 255, 0.08);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            background: rgba(242, 206, 138, 0.1);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 20%;
            right: 20%;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--gold-300), var(--gold-500));
        }

        .nav-right {
            gap: 8px;
        }

        .nav-command {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            min-height: 40px;
            color: rgba(242, 237, 232, 0.65);
            font-size: 0.875rem;
            cursor: pointer;
            transition: all .2s ease;
            min-width: 220px;
        }

        .nav-command:hover {
            border-color: var(--gold-400);
            box-shadow: 0 0 0 3px rgba(217, 154, 61, 0.15);
        }

        .nav-command i {
            color: var(--gold-400);
            font-size: 0.8125rem;
        }

        .kbd-hint {
            margin-left: auto;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.75rem;
            color: rgba(242, 237, 232, 0.6);
        }

        .nav-quick {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-on-night-dim);
            font-size: 0.9375rem;
            transition: all .2s ease;
        }

        .nav-quick:hover {
            background: rgba(242, 206, 138, 0.15);
            color: var(--gold-300);
        }

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

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(217, 154, 61, 0.25);
        }

        .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(242,206,138,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Category Hero */
        .cat-hero {
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--night-900) 0%, var(--night-700) 50%, var(--gold-600) 135%);
            padding: 150px 0 90px;
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(242, 206, 138, 0.10) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 206, 138, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(242, 206, 138, 0.12);
            border: 1px solid rgba(242, 206, 138, 0.3);
            color: var(--gold-300);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3rem);
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-on-night);
            margin: 0 0 20px;
            letter-spacing: 0.01em;
        }

        .hero-title .highlight {
            color: var(--gold-300);
            position: relative;
        }

        .hero-subtitle {
            color: var(--text-on-night-dim);
            font-size: 1.0625rem;
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--text-on-night-dim);
            font-size: 0.875rem;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust i {
            color: var(--gold-400);
            font-size: 0.75rem;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(11, 8, 32, 0.4);
            border: 1px solid rgba(242, 206, 138, 0.15);
        }

        .hero-visual img {
            display: block;
            width: 100%;
            object-fit: cover;
        }

        .visual-star {
            position: absolute;
            color: var(--gold-400);
            opacity: 0.7;
            font-size: 1rem;
        }

        .visual-star.star-1 {
            top: 18px;
            right: 28px;
            font-size: 1.2rem;
        }

        .visual-star.star-2 {
            bottom: 22px;
            left: 20px;
            font-size: 0.85rem;
        }

        .hero-divider {
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 40%;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
            opacity: 0.85;
        }

        /* Intro */
        .cat-intro {
            background: var(--cream-50);
            padding: var(--section-space) 0 64px;
        }

        .intro-lead {
            font-size: 1.125rem;
            line-height: 1.8;
            color: var(--text-dark-primary);
            max-width: 860px;
            margin-bottom: 40px;
        }

        .intro-lead strong {
            color: var(--gold-600);
        }

        .intro-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .stat-chip {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--cream-100);
            border: 1px solid var(--cream-200);
            border-radius: var(--radius-pill);
            padding: 14px 24px;
            transition: all .25s ease;
        }

        .stat-chip:hover {
            border-color: var(--gold-400);
            box-shadow: var(--shadow-card);
        }

        .stat-chip .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gold-600);
            line-height: 1.2;
        }

        .stat-chip .stat-desc {
            font-size: 0.875rem;
            color: var(--text-dark-secondary);
        }

        /* Cards grid */
        .cat-cards {
            background: var(--cream-100);
            padding: 64px 0 var(--section-space);
        }

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

        .section-head h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.125rem);
            font-weight: 700;
            color: var(--text-dark-primary);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-dark-secondary);
            max-width: 640px;
            margin: 0 auto;
            font-size: 1rem;
        }

        .card-item {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            height: 100%;
            border: 1px solid var(--cream-200);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .card-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-300), var(--gold-500));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
            z-index: 1;
            border-radius: 3px 3px 0 0;
        }

        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold-400);
        }

        .card-item:hover::before {
            transform: scaleX(1);
        }

        .card-cover {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .card-cover .cover-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 8, 32, 0.72);
            color: var(--gold-300);
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            backdrop-filter: blur(4px);
        }

        .card-body-info {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body-info h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-body-info p {
            color: var(--text-dark-secondary);
            font-size: 0.9375rem;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .tag {
            display: inline-block;
            background: rgba(217, 154, 61, 0.08);
            border: 1px solid rgba(217, 154, 61, 0.22);
            color: var(--gold-600);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
            font-size: 0.8125rem;
            line-height: 1.5;
        }

        .card-link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold-600);
            font-size: 0.9375rem;
            font-weight: 600;
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
        }

        .card-link-more i {
            transition: transform .25s ease;
        }

        .card-link-more:hover {
            color: var(--gold-600);
        }

        .card-link-more:hover i {
            transform: translateX(4px);
        }

        /* CTA section */
        .cat-cta {
            background: linear-gradient(135deg, var(--night-900) 0%, var(--night-800) 55%, var(--night-700) 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cat-cta::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 520px;
            height: 520px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(242, 206, 138, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            color: var(--text-on-night);
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: var(--text-on-night-dim);
            font-size: 1.0625rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-inner .btn-gold {
            min-height: 52px;
            padding: 14px 44px;
            font-size: 1rem;
        }

        .cta-note {
            color: rgba(196, 187, 214, 0.65);
            font-size: 0.8125rem;
            margin-top: 18px;
        }

        /* FAQ */
        .cat-faq {
            background: var(--cream-50);
            padding: var(--section-space) 0;
        }

        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--cream-200) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color .25s ease;
        }

        .faq-accordion .accordion-item:hover {
            border-color: var(--gold-400) !important;
        }

        .faq-accordion .accordion-button {
            background: #fff;
            color: var(--text-dark-primary);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 28px;
            display: flex;
            align-items: center;
            gap: 14px;
            position: relative;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--text-dark-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--cream-200);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: var(--ring-focus);
            border-radius: var(--radius-md);
            z-index: 1;
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '+';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--gold-600);
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s ease;
            background: none;
            margin-left: auto;
            transform: none;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .faq-accordion .accordion-button::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 3px;
            border-radius: 3px;
            background: linear-gradient(180deg, var(--gold-300), var(--gold-500));
            opacity: 0;
            transition: opacity .25s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed)::before {
            opacity: 1;
        }

        .faq-accordion .accordion-body {
            padding: 20px 28px 24px;
            color: var(--text-dark-secondary);
            font-size: 0.9375rem;
            line-height: 1.75;
        }

        .faq-footnote {
            text-align: center;
            margin-top: 32px;
            color: var(--text-dark-secondary);
            font-size: 0.9375rem;
        }

        .faq-footnote a {
            color: var(--gold-600);
            font-weight: 600;
            border-bottom: 1px solid transparent;
        }

        .faq-footnote a:hover {
            border-bottom-color: var(--gold-600);
        }

        /* Footer */
        .site-footer {
            background: linear-gradient(180deg, var(--night-900) 0%, var(--night-800) 100%);
            border-top: 1px solid rgba(242, 206, 138, 0.15);
            padding: 64px 0 0;
            color: var(--text-on-night-dim);
        }

        .site-footer .brand-logo {
            margin-bottom: 16px;
        }

        .site-footer .footer-brand p {
            font-size: 0.9375rem;
            color: var(--text-on-night-dim);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-on-night-dim);
            font-size: 0.9375rem;
            transition: all .2s ease;
        }

        .footer-social a:hover {
            background: rgba(242, 206, 138, 0.15);
            color: var(--gold-300);
            border-color: var(--gold-400);
        }

        .footer-title {
            color: var(--text-on-night);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-links-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-list a {
            color: var(--text-on-night-dim);
            font-size: 0.9375rem;
            transition: all .2s ease;
        }

        .footer-links-list a:hover {
            color: var(--gold-300);
            padding-left: 4px;
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-on-night-dim);
            font-size: 0.9375rem;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--gold-400);
            font-size: 0.9375rem;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 48px;
            padding: 20px 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.875rem;
            color: rgba(196, 187, 214, 0.6);
        }

        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom-links a {
            color: rgba(196, 187, 214, 0.6);
            font-size: 0.875rem;
        }

        .footer-bottom-links a:hover {
            color: var(--gold-300);
        }

        /* Modal */
        .modal-content-custom {
            border-radius: var(--radius-lg);
            border: none;
            background: var(--cream-50);
            overflow: hidden;
        }

        .modal-header-custom {
            background: linear-gradient(135deg, var(--night-900), var(--night-700));
            color: var(--text-on-night);
            border: none;
            padding: 28px 32px 20px;
        }

        .modal-header-custom .modal-title {
            font-size: 1.375rem;
            font-weight: 700;
        }

        .modal-header-custom .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }

        .modal-header-custom .btn-close:focus {
            box-shadow: 0 0 0 3px rgba(242, 206, 138, 0.3);
        }

        .modal-header-custom p {
            margin: 6px 0 0;
            color: var(--text-on-night-dim);
            font-size: 0.875rem;
        }

        .modal-body-custom {
            padding: 28px 32px;
        }

        .form-label-custom {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            margin-bottom: 6px;
        }

        .form-control-custom {
            width: 100%;
            height: 48px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--cream-200);
            background: #fff;
            padding: 10px 16px;
            font-size: 0.9375rem;
            color: var(--text-dark-primary);
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .form-control-custom:focus {
            outline: none;
            border-color: var(--gold-500);
            box-shadow: 0 0 0 4px rgba(217, 154, 61, 0.15);
        }

        textarea.form-control-custom {
            height: auto;
            min-height: 90px;
            resize: vertical;
        }

        .modal-submit {
            width: 100%;
            min-height: 52px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            color: var(--text-dark-primary);
            border: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all .25s ease;
        }

        .modal-submit:hover {
            filter: brightness(1.05);
            box-shadow: var(--shadow-gold);
        }

        .modal-submit:active {
            transform: translateY(1px);
            background: var(--gold-600);
        }

        .privacy-note {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.75rem;
            color: var(--text-dark-secondary);
            padding: 14px 0;
            border-top: 1px solid var(--cream-200);
            margin-top: 20px;
        }

        .privacy-note i {
            color: var(--gold-600);
        }

        /* Search modal */
        .search-modal .modal-content {
            border-radius: var(--radius-lg);
            background: var(--cream-50);
            border: none;
            overflow: hidden;
        }

        .search-modal .modal-body {
            padding: 24px;
        }

        .search-input-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1.5px solid var(--cream-200);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            transition: border-color .2s ease;
        }

        .search-input-wrap:focus-within {
            border-color: var(--gold-500);
            box-shadow: 0 0 0 4px rgba(217, 154, 61, 0.12);
        }

        .search-input-wrap i {
            color: var(--gold-500);
        }

        .search-input-wrap input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 1rem;
            background: transparent;
            color: var(--text-dark-primary);
            min-height: 28px;
        }

        .search-hint-text {
            font-size: 0.8125rem;
            color: var(--text-dark-secondary);
            margin: 18px 0 10px;
            font-weight: 600;
        }

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

        .search-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--cream-100);
            border: 1px solid var(--cream-200);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.875rem;
            color: var(--text-dark-secondary);
            cursor: pointer;
            transition: all .2s ease;
        }

        .search-tag:hover {
            border-color: var(--gold-400);
            color: var(--gold-600);
            background: rgba(217, 154, 61, 0.06);
        }

        .search-empty {
            text-align: center;
            padding: 36px 0 20px;
            color: var(--text-dark-secondary);
            font-size: 0.9375rem;
        }

        .search-empty i {
            font-size: 2rem;
            color: var(--gold-400);
            margin-bottom: 12px;
            display: block;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .custom-navbar .container {
                position: relative;
            }

            .navbar-collapse {
                background: var(--night-900);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(242, 206, 138, 0.12);
            }

            .navbar-nav {
                gap: 4px;
                margin-bottom: 12px;
            }

            .navbar-nav .nav-link {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-right {
                flex-wrap: wrap;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                padding-top: 12px;
            }

            .nav-command {
                width: 100%;
            }

            .nav-quick {
                width: 44px;
                height: 44px;
            }

            .cat-hero {
                padding: 130px 0 70px;
            }

            .hero-visual {
                margin-top: 10px;
            }

            .cat-intro,
            .cat-faq {
                --section-space: 72px;
            }

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

        @media (max-width: 767.98px) {
            .cat-hero {
                padding: 120px 0 60px;
                text-align: center;
            }

            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-trust {
                justify-content: center;
            }

            .cat-intro {
                padding-top: 56px;
            }

            .intro-badges {
                justify-content: center;
            }

            .card-item {
                margin-bottom: 16px;
            }

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

        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 0.875rem;
            }

            .cat-hero {
                padding: 110px 0 50px;
            }

            .hero-title {
                font-size: 1.75rem;
            }

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

            .stat-chip {
                width: 100%;
                justify-content: center;
            }

            .section-head {
                margin-bottom: 32px;
            }

            .modal-header-custom,
            .modal-body-custom {
                padding-left: 20px;
                padding-right: 20px;
            }

            .footer-bottom-links {
                gap: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --night-900: #0B0820;
            --night-800: #171033;
            --night-700: #221A46;
            --night-600: #2F2458;
            --cream-50: #FAF6EF;
            --cream-100: #F3EBDF;
            --cream-200: #E8DDCB;
            --gold-300: #F2CE8A;
            --gold-400: #E8B45E;
            --gold-500: #D99A3D;
            --gold-600: #B87A28;
            --nebula-300: #B7A8E8;
            --nebula-500: #7C5CC8;
            --nebula-700: #4B3690;
            --text-dark-primary: #1F1A2E;
            --text-dark-secondary: #5B5470;
            --text-on-night: #F2EDE8;
            --text-on-night-dim: #C4BBD6;
            --success: #3F9B6E;
            --warning: #D99A3D;
            --error: #C45444;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 30px rgba(11, 8, 32, 0.08);
            --shadow-card-hover: 0 16px 44px rgba(11, 8, 32, 0.14);
            --shadow-gold: 0 8px 24px rgba(217, 154, 61, 0.35);
            --ring-focus: 0 0 0 4px rgba(217, 154, 61, 0.25);
            --container-max: 1200px;
            --section-space: 96px;
            --space-4: 24px;
            --space-6: 40px;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Inter", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-dark-primary);
            background-color: var(--cream-50);
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--gold-600);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--gold-500);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        [role="button"]:focus-visible {
            outline: none;
            box-shadow: var(--ring-focus);
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: var(--section-space) 0;
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 56px;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 8, 32, 0.88);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-bottom: 1px solid rgba(242, 206, 138, 0.15);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 8, 32, 0.96);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        }

        .custom-navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--night-900);
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
        }

        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-on-night);
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .brand-text span {
            color: var(--gold-400);
            font-weight: 400;
        }

        .custom-navbar .navbar-toggler {
            border: 1px solid rgba(242, 206, 138, 0.4);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
        }

        .custom-navbar .navbar-toggler:focus {
            box-shadow: var(--ring-focus);
        }

        .custom-navbar .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(242,206,138,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .custom-navbar .navbar-nav {
            gap: 4px;
        }

        .custom-navbar .nav-link {
            color: var(--text-on-night-dim);
            font-size: .9375rem;
            font-weight: 500;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            position: relative;
            transition: color .2s ease, background .2s ease;
        }

        .custom-navbar .nav-link:hover {
            color: var(--text-on-night);
            background: rgba(242, 206, 138, 0.08);
        }

        .custom-navbar .nav-link.active {
            color: var(--text-on-night);
            background: rgba(242, 206, 138, 0.10);
        }

        .custom-navbar .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold-500);
        }

        .nav-right {
            flex-shrink: 0;
        }

        .nav-command {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-pill);
            color: var(--text-on-night-dim);
            font-size: .8125rem;
            cursor: pointer;
            transition: border-color .2s ease, box-shadow .2s ease;
            white-space: nowrap;
        }

        .nav-command:hover {
            border-color: var(--gold-400);
        }

        .kbd-hint {
            font-size: .6875rem;
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-on-night-dim);
            letter-spacing: .04em;
        }

        .nav-quick {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-on-night-dim);
            font-size: .9375rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: background .2s ease, color .2s ease, border-color .2s ease;
        }

        .nav-quick:hover {
            color: var(--gold-300);
            background: rgba(242, 206, 138, 0.08);
            border-color: rgba(242, 206, 138, 0.25);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
            border: none;
            color: var(--text-dark-primary);
            font-weight: 600;
            font-size: .9375rem;
            box-shadow: var(--shadow-gold);
            transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
            text-decoration: none;
        }

        .btn-gold:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(217, 154, 61, 0.45);
            color: var(--text-dark-primary);
        }

        .btn-gold:active {
            transform: translateY(0);
            background: var(--gold-600);
        }

        .btn-gold.btn-sm {
            min-height: 40px;
            padding: 0 22px;
            font-size: .875rem;
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            background: transparent;
            border: 1.5px solid var(--gold-400);
            color: var(--gold-400);
            font-weight: 600;
            font-size: .9375rem;
            transition: background .2s ease, color .2s ease, transform .2s ease;
            text-decoration: none;
        }

        .btn-outline-gold:hover {
            background: rgba(217, 154, 61, 0.10);
            color: var(--gold-500);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            background: transparent;
            border: 1.5px solid rgba(242, 206, 138, 0.6);
            color: var(--text-on-night);
            font-weight: 500;
            font-size: .9375rem;
            transition: background .2s ease, color .2s ease, transform .2s ease;
            text-decoration: none;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-on-night);
            transform: translateY(-1px);
        }

        .btn-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold-600);
            font-weight: 600;
            font-size: .875rem;
            text-decoration: none;
            padding: 4px 0;
            transition: gap .2s ease, color .2s ease;
        }

        .btn-link-arrow:hover {
            gap: 10px;
            color: var(--gold-500);
        }

        .btn-link-arrow i {
            font-size: .8125rem;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            padding-top: 140px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, var(--night-900) 0%, var(--night-700) 45%, var(--gold-600) 130%);
            overflow: hidden;
            color: var(--text-on-night);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3) 0, transparent 100%),
                radial-gradient(1px 1px at 45% 65%, rgba(242, 206, 138, 0.25) 0, transparent 100%),
                radial-gradient(1.5px 1.5px at 70% 25%, rgba(255, 255, 255, 0.2) 0, transparent 100%),
                radial-gradient(2px 2px at 85% 70%, rgba(242, 206, 138, 0.2) 0, transparent 100%),
                radial-gradient(1px 1px at 10% 80%, rgba(255, 255, 255, 0.15) 0, transparent 100%);
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: -20%;
            right: -10%;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(217, 154, 61, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(242, 206, 138, 0.3);
            color: var(--gold-300);
            font-size: .8125rem;
            letter-spacing: .04em;
            margin-bottom: 24px;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-on-night);
            letter-spacing: .01em;
        }

        .category-hero h1 .highlight {
            color: var(--gold-300);
        }

        .category-hero .hero-sub {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: var(--text-on-night-dim);
            max-width: 620px;
            margin-bottom: 32px;
        }

        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-trust li {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-on-night-dim);
            font-size: .875rem;
        }

        .hero-trust li i {
            color: var(--gold-400);
            font-size: .8125rem;
        }

        .hero-gold-line {
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40%;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
            z-index: 2;
        }

        /* ========== 导读条 ========== */
        .category-intro {
            background: var(--cream-50);
            padding: 56px 0;
            border-bottom: 1px solid var(--cream-200);
        }

        .category-intro .intro-text {
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text-dark-secondary);
            max-width: 820px;
            margin-bottom: 32px;
        }

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

        @media (max-width: 768px) {
            .intro-metrics {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .metric-badge {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            background: var(--cream-100);
            border: 1px solid var(--cream-200);
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .metric-badge:hover {
            border-color: var(--gold-400);
            box-shadow: var(--shadow-card);
        }

        .metric-number {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--gold-600);
            line-height: 1.1;
            white-space: nowrap;
        }

        .metric-label {
            font-size: .8125rem;
            color: var(--text-dark-secondary);
            line-height: 1.4;
        }

        /* ========== 内容卡片区 ========== */
        .category-cards-section {
            padding: var(--section-space) 0;
            background: var(--cream-50);
        }

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

        .section-heading .section-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(217, 154, 61, 0.10);
            border: 1px solid rgba(217, 154, 61, 0.2);
            color: var(--gold-600);
            font-size: .8125rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .section-heading h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.125rem);
            font-weight: 700;
            color: var(--text-dark-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-heading p {
            color: var(--text-dark-secondary);
            font-size: .9375rem;
            max-width: 680px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--cream-200);
            box-shadow: var(--shadow-card);
            padding: 0;
            overflow: hidden;
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-300), var(--gold-500));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
            border-radius: 0 0 3px 3px;
            z-index: 2;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(217, 154, 61, 0.3);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--night-800);
        }

        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .service-card .card-body {
            padding: 24px 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-icon-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .service-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(217, 154, 61, 0.12);
            color: var(--gold-600);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.0625rem;
        }

        .service-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .service-card .card-desc {
            font-size: .875rem;
            line-height: 1.75;
            color: var(--text-dark-secondary);
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(217, 154, 61, 0.08);
            border: 1px solid rgba(217, 154, 61, 0.18);
            color: var(--gold-600);
            font-size: .75rem;
            font-weight: 500;
            line-height: 1.4;
        }

        .badge-tag.nebula {
            background: rgba(124, 92, 200, 0.08);
            border-color: rgba(124, 92, 200, 0.18);
            color: var(--nebula-700);
        }

        .service-card .card-link {
            margin-top: auto;
        }

        /* ========== 流程 ========== */
        .process-section {
            background: var(--cream-100);
            padding: var(--section-space) 0;
            border-top: 1px solid var(--cream-200);
            border-bottom: 1px solid var(--cream-200);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: process;
        }

        @media (max-width: 992px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        .process-step {
            counter-increment: process;
            position: relative;
            padding: 32px 24px;
            background: var(--cream-50);
            border-radius: var(--radius-lg);
            border: 1px solid var(--cream-200);
            transition: box-shadow .2s ease, transform .2s ease;
        }

        .process-step:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .process-step .step-num {
            font-size: .8125rem;
            font-weight: 700;
            color: var(--gold-600);
            letter-spacing: .06em;
            margin-bottom: 12px;
            display: block;
        }

        .process-step .step-num::before {
            content: "0" counter(process);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gold-500);
            display: block;
            margin-bottom: 8px;
        }

        .process-step h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: .875rem;
            line-height: 1.7;
            color: var(--text-dark-secondary);
            margin-bottom: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: var(--section-space) 0;
            background: linear-gradient(135deg, var(--night-900) 0%, var(--night-800) 60%, var(--night-700) 100%);
            color: var(--text-on-night);
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(217, 154, 61, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--text-on-night);
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-on-night-dim);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-section .btn-gold {
            min-height: 52px;
            padding: 0 40px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-space) 0;
            background: var(--cream-50);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--cream-200);
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .faq-item:hover {
            border-color: var(--gold-400);
        }

        .faq-item.accordion-item {
            position: relative;
        }

        .faq-item.accordion-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gold-500);
            opacity: 0;
            border-radius: 0 3px 3px 0;
            transition: opacity .25s ease;
        }

        .faq-item.accordion-item:has(.accordion-button:not(.collapsed))::before {
            opacity: 1;
        }

        .faq-item .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            background: transparent;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md);
        }

        .faq-item .accordion-button:not(.collapsed) {
            background: rgba(217, 154, 61, 0.05);
            color: var(--text-dark-primary);
        }

        .faq-item .accordion-button:focus {
            box-shadow: var(--ring-focus);
        }

        .faq-item .accordion-button::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: .875rem;
            background-image: none;
            color: var(--gold-600);
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .25s ease;
            flex-shrink: 0;
        }

        .faq-item .accordion-button:not(.collapsed)::after {
            content: "\f068";
            transform: rotate(0deg);
            color: var(--gold-600);
        }

        .faq-item .accordion-body {
            padding: 0 24px 24px;
            font-size: .9375rem;
            line-height: 1.75;
            color: var(--text-dark-secondary);
            border-top: 1px solid var(--cream-200);
            padding-top: 16px;
        }

        .faq-more {
            text-align: center;
            margin-top: 32px;
        }

        .faq-more a {
            color: var(--gold-600);
            font-weight: 500;
            font-size: .9375rem;
        }

        /* ========== Footer ========== */
        .site-footer {
            position: relative;
            background: linear-gradient(180deg, var(--night-900) 0%, var(--night-800) 100%);
            color: var(--text-on-night-dim);
            padding-top: 72px;
            border-top: 1px solid rgba(242, 206, 138, 0.15);
            font-size: .875rem;
            line-height: 1.7;
        }

        .site-footer .brand-logo .brand-text {
            color: var(--text-on-night);
        }

        .footer-brand p {
            color: var(--text-on-night-dim);
            font-size: .875rem;
            line-height: 1.8;
            margin-top: 16px;
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-on-night-dim);
            font-size: .9375rem;
            transition: background .2s ease, color .2s ease, border-color .2s ease;
        }

        .footer-social a:hover {
            background: rgba(242, 206, 138, 0.10);
            border-color: rgba(242, 206, 138, 0.3);
            color: var(--gold-300);
        }

        .footer-title {
            font-size: .9375rem;
            font-weight: 600;
            color: var(--text-on-night);
            margin-bottom: 16px;
            letter-spacing: .03em;
        }

        .footer-links-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links-list li a {
            color: var(--text-on-night-dim);
            font-size: .875rem;
            transition: color .2s ease, padding-left .2s ease;
            text-decoration: none;
        }

        .footer-links-list li a:hover {
            color: var(--gold-300);
            padding-left: 6px;
        }

        .footer-contact p {
            margin-bottom: 10px;
            color: var(--text-on-night-dim);
            font-size: .875rem;
        }

        .footer-contact p i {
            color: var(--gold-400);
            margin-right: 8px;
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            margin-top: 56px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: .8125rem;
            color: var(--text-on-night-dim);
        }

        .footer-bottom a {
            color: var(--text-on-night-dim);
            font-size: .8125rem;
            text-decoration: none;
            transition: color .2s ease;
        }

        .footer-bottom a:hover {
            color: var(--gold-300);
        }

        /* ========== 模态框 ========== */
        .modal-content {
            border-radius: var(--radius-lg);
            background: var(--cream-50);
            border: 1px solid var(--cream-200);
            box-shadow: var(--shadow-card-hover);
            padding: 8px;
        }

        .modal-header {
            border-bottom: 1px solid var(--cream-200);
            padding: 20px 24px 16px;
        }

        .modal-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark-primary);
        }

        .modal-header .btn-close {
            filter: none;
            opacity: .6;
            transition: opacity .2s ease;
        }

        .modal-header .btn-close:hover {
            opacity: 1;
        }

        .modal-body {
            padding: 24px;
        }

        .modal-footer {
            border-top: 1px solid var(--cream-200);
            padding: 16px 24px 20px;
            flex-wrap: wrap;
        }

        .privacy-note {
            font-size: .75rem;
            color: var(--text-dark-secondary);
            line-height: 1.6;
            margin: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .privacy-note i {
            color: var(--gold-600);
        }

        .form-label {
            font-size: .875rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            margin-bottom: 6px;
        }

        .form-control {
            height: 48px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--cream-200);
            background: #fff;
            font-size: .9375rem;
            color: var(--text-dark-primary);
            padding: 0 16px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .form-control:focus {
            border-color: var(--gold-500);
            box-shadow: var(--ring-focus);
            background: #fff;
            color: var(--text-dark-primary);
        }

        textarea.form-control {
            height: auto;
            padding-top: 12px;
            padding-bottom: 12px;
            min-height: 96px;
        }

        .modal .btn-gold {
            width: 100%;
            min-height: 52px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
        }

        /* ========== 响应式调整 ========== */
        @media (max-width: 991.98px) {
            .site-header {
                background: rgba(11, 8, 32, 0.96);
            }

            .custom-navbar .navbar-collapse {
                background: var(--night-800);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(242, 206, 138, 0.12);
            }

            .custom-navbar .navbar-nav {
                gap: 4px;
            }

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

            .custom-navbar .nav-link.active::after {
                left: 16px;
            }

            .nav-right {
                margin-top: 12px;
                flex-wrap: wrap;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                padding-top: 16px;
            }

            .nav-command {
                flex: 1;
                min-width: 200px;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                min-height: auto;
                padding-top: 120px;
                padding-bottom: 64px;
            }

            .category-hero h1 {
                font-size: 1.75rem;
            }

            .category-hero .hero-sub {
                font-size: .9375rem;
            }

            .intro-metrics {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 575.98px) {
            .service-card .card-body {
                padding: 20px;
            }

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

            .custom-navbar .nav-command {
                min-width: 160px;
            }

            .nav-quick {
                display: none;
            }
        }

        .card-img-placeholder {
            aspect-ratio: 16 / 10;
            background: linear-gradient(135deg, var(--night-800), var(--night-700));
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(242, 206, 138, 0.5);
            font-size: 2rem;
        }

/* roulang page: category3 */
:root {
            --night-900: #0B0820;
            --night-800: #171033;
            --night-700: #221A46;
            --night-600: #2F2458;
            --cream-50: #FAF6EF;
            --cream-100: #F3EBDF;
            --cream-200: #E8DDCB;
            --gold-300: #F2CE8A;
            --gold-400: #E8B45E;
            --gold-500: #D99A3D;
            --gold-600: #B87A28;
            --nebula-300: #B7A8E8;
            --nebula-500: #7C5CC8;
            --nebula-700: #4B3690;
            --text-dark-primary: #1F1A2E;
            --text-dark-secondary: #5B5470;
            --text-on-night: #F2EDE8;
            --text-on-night-dim: #C4BBD6;
            --success: #3F9B6E;
            --warning: #D99A3D;
            --error: #C45444;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 30px rgba(11, 8, 32, 0.08);
            --shadow-card-hover: 0 16px 44px rgba(11, 8, 32, 0.14);
            --shadow-gold: 0 8px 24px rgba(217, 154, 61, 0.35);
            --ring-focus: 0 0 0 4px rgba(217, 154, 61, 0.25);
            --container-max: 1200px;
            --section-space: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background-color: var(--cream-50);
            color: var(--text-dark-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }
        a:hover {
            color: var(--gold-500);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
        }

        /* ===== 按钮体系 ===== */
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            line-height: 1.4;
            padding: 12px 28px;
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all .3s ease;
            border: none;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: var(--ring-focus);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold-300) 0%, var(--gold-500) 100%);
            color: var(--text-dark-primary);
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            color: var(--text-dark-primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(217, 154, 61, 0.45);
            background: linear-gradient(135deg, #f7daa0 0%, var(--gold-400) 100%);
        }
        .btn-gold:active {
            background: var(--gold-600);
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-gold.btn-sm {
            min-height: 44px;
            padding: 10px 22px;
            font-size: .9375rem;
        }

        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(242, 237, 232, 0.8);
            color: var(--text-on-night);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
            background: rgba(255, 255, 255, 0.18);
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold-600);
            font-weight: 600;
            font-size: .9375rem;
            transition: color .2s ease, gap .2s ease;
        }
        .link-arrow:hover {
            color: var(--gold-500);
            gap: 10px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 8, 32, 0.35);
            transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
        }
        .site-header.scrolled {
            background: rgba(11, 8, 32, 0.9);
            backdrop-filter: blur(6px);
            box-shadow: 0 4px 30px rgba(11, 8, 32, 0.25);
        }
        .custom-navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--night-900);
            font-size: 15px;
            box-shadow: var(--shadow-gold);
        }
        .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-on-night);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .brand-text span {
            color: var(--gold-400);
        }

        .custom-navbar .navbar-nav {
            gap: 6px;
        }
        .custom-navbar .navbar-nav .nav-link {
            color: var(--text-on-night-dim);
            font-weight: 500;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            position: relative;
            transition: color .3s ease, background .3s ease;
            font-size: .9375rem;
        }
        .custom-navbar .navbar-nav .nav-link:hover {
            color: var(--text-on-night);
            background: rgba(255, 255, 255, 0.06);
        }
        .custom-navbar .navbar-nav .nav-link.active {
            color: var(--text-on-night);
        }
        .custom-navbar .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 5px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold-500);
        }

        .nav-command {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            color: var(--text-on-night-dim);
            font-size: .875rem;
            cursor: pointer;
            transition: all .3s ease;
            white-space: nowrap;
        }
        .nav-command:hover {
            border-color: var(--gold-500);
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-on-night);
        }
        .nav-command .kbd-hint {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: .75rem;
            color: var(--text-on-night-dim);
            letter-spacing: 0.5px;
        }

        .nav-quick {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-on-night-dim);
            transition: all .3s ease;
            font-size: .9375rem;
        }
        .nav-quick:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--gold-400);
        }

        .custom-navbar .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            background: transparent;
            color: var(--text-on-night);
            font-size: 1rem;
            line-height: 1;
        }
        .custom-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(217, 154, 61, 0.25);
            outline: none;
        }
        .custom-navbar .navbar-toggler-icon {
            display: none;
        }

        @media (max-width: 991.98px) {
            .custom-navbar .navbar-collapse {
                background: var(--night-800);
                border-radius: var(--radius-lg);
                padding: 20px 24px;
                margin-top: 14px;
                box-shadow: 0 20px 50px rgba(11, 8, 32, 0.5);
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            .custom-navbar .navbar-nav {
                gap: 2px;
                margin-bottom: 16px !important;
            }
            .custom-navbar .navbar-nav .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .custom-navbar .navbar-nav .nav-link.active::after {
                display: none;
            }
            .custom-navbar .navbar-nav .nav-link.active {
                background: rgba(217, 154, 61, 0.15);
                color: var(--gold-300);
            }
            .nav-right {
                flex-wrap: wrap;
            }
            .nav-command {
                flex: 1 1 100%;
                justify-content: space-between;
            }
            .nav-quick {
                width: 44px;
                height: 44px;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 170px 0 90px;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--night-900) 0%, var(--night-700) 45%, var(--gold-600) 130%);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(217, 154, 61, 0.15), transparent 70%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217, 154, 61, 0.15);
            border: 1px solid rgba(217, 154, 61, 0.3);
            border-radius: var(--radius-pill);
            padding: 6px 18px;
            color: var(--gold-300);
            font-size: .8125rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3rem);
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-on-night);
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-title .text-gold {
            color: var(--gold-400);
        }
        .hero-subtitle {
            font-size: 1.0625rem;
            color: var(--text-on-night-dim);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-on-night-dim);
            font-size: .875rem;
        }
        .hero-trust i {
            color: var(--gold-400);
            font-size: .8125rem;
        }

        .hero-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(11, 8, 32, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transform: translateY(20px);
        }
        .hero-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .hero-media-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(11, 8, 32, 0.75);
            border: 1px solid rgba(217, 154, 61, 0.35);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            color: var(--gold-300);
            font-size: .8125rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(4px);
        }

        .hero-divider {
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40%;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
            z-index: 3;
        }

        @media (max-width: 991.98px) {
            .category-hero {
                padding: 140px 0 70px;
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-trust {
                justify-content: center;
            }
            .hero-media {
                margin-top: 30px;
                transform: none;
            }
            .hero-media img {
                height: 260px;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: var(--cream-50);
            padding: 16px 0;
            border-bottom: 1px solid var(--cream-200);
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            font-size: .875rem;
        }
        .breadcrumb-bar .breadcrumb-item a {
            color: var(--text-dark-secondary);
        }
        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--gold-600);
        }
        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--text-dark-primary);
            font-weight: 500;
        }
        .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
            content: '›';
            color: var(--cream-200);
            font-weight: 700;
        }

        /* ===== 导读条 ===== */
        .category-guide {
            padding: 70px 0 50px;
            background: var(--cream-50);
        }
        .guide-intro {
            max-width: 800px;
            margin: 0 auto 50px;
            text-align: center;
            font-size: 1.0625rem;
            color: var(--text-dark-secondary);
            line-height: 1.9;
        }
        .guide-intro p {
            margin: 0;
        }
        .guide-metrics .metric-badge {
            background: var(--cream-100);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--cream-200);
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            height: 100%;
        }
        .guide-metrics .metric-badge:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .metric-num {
            display: block;
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold-600);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: .875rem;
            color: var(--text-dark-secondary);
        }

        /* ===== 案例卡片网格 ===== */
        .case-grid-section {
            padding: var(--section-space) 0;
            background: linear-gradient(180deg, var(--cream-50) 0%, var(--cream-100) 100%);
        }
        .section-header {
            margin-bottom: 56px;
        }
        .section-header h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.125rem);
            font-weight: 700;
            color: var(--text-dark-primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-header p {
            color: var(--text-dark-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1rem;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(232, 221, 203, 0.6);
            transition: transform .35s ease, box-shadow .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .case-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--gold-300), var(--gold-600));
            transition: width .4s ease;
            z-index: 2;
        }
        .case-card:hover::before {
            width: 100%;
        }
        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold-200);
        }

        .case-card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .case-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .case-card:hover .case-card-media img {
            transform: scale(1.04);
        }
        .case-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(11, 8, 32, 0.45));
        }
        .case-card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-pill);
            padding: 4px 16px;
            font-size: .8125rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .case-card-tag i {
            color: var(--gold-600);
            font-size: .75rem;
        }

        .case-card-body {
            padding: 28px 28px 30px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .case-card-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-dark-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .case-card-body p {
            font-size: .9375rem;
            color: var(--text-dark-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }
        .case-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(217, 154, 61, 0.08);
            border: 1px solid rgba(217, 154, 61, 0.2);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: .8125rem;
            color: var(--gold-600);
            transition: all .3s ease;
        }
        .tag-pill:hover {
            background: rgba(217, 154, 61, 0.15);
            border-color: var(--gold-500);
        }
        .case-card .case-link {
            margin-top: auto;
        }

        /* ===== 流程区 ===== */
        .process-section {
            position: relative;
            padding: var(--section-space) 0;
            background: linear-gradient(135deg, var(--night-900) 0%, var(--night-800) 100%);
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }
        .process-section .container {
            position: relative;
            z-index: 1;
        }
        .process-section .section-header h2 {
            color: var(--text-on-night);
        }
        .process-section .section-header p {
            color: var(--text-on-night-dim);
        }

        .process-step {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            transition: all .3s ease;
            height: 100%;
        }
        .process-step:hover {
            border-color: rgba(217, 154, 61, 0.4);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-4px);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
            color: var(--night-900);
            font-size: 1.125rem;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: var(--shadow-gold);
        }
        .process-step h3 {
            color: var(--text-on-night);
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .process-step p {
            color: var(--text-on-night-dim);
            font-size: .875rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--section-space) 0;
            background: linear-gradient(135deg, var(--night-900) 0%, var(--night-700) 60%, var(--gold-600) 130%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(217, 154, 61, 0.18), transparent 70%);
        }
        .cta-inner {
            position: relative;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: var(--text-on-night);
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: var(--text-on-night-dim);
            font-size: 1.0625rem;
            margin-bottom: 32px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-space) 0;
            background: var(--cream-50);
        }
        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--cream-200);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color .3s ease, box-shadow .3s ease;
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--gold-400);
            box-shadow: 0 8px 30px rgba(217, 154, 61, 0.1);
        }
        .faq-accordion .accordion-button {
            background: #fff;
            color: var(--text-dark-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 22px 28px;
            border-radius: var(--radius-md) !important;
            position: relative;
            transition: background .3s ease, color .3s ease;
        }
        .faq-accordion .accordion-button::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background: none;
            width: auto;
            height: auto;
            color: var(--gold-600);
            font-size: .875rem;
            transition: transform .3s ease, content .3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--cream-100);
            color: var(--gold-600);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '\f068';
            transform: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: var(--ring-focus);
            outline: none;
        }
        .faq-accordion .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-dark-secondary);
            font-size: .9375rem;
            line-height: 1.8;
        }
        .faq-footer {
            margin-top: 32px;
        }
        .faq-footer a {
            color: var(--gold-600);
            font-weight: 600;
            font-size: .9375rem;
        }
        .faq-footer a:hover {
            color: var(--gold-500);
        }

        /* ===== 隐私说明条 ===== */
        .privacy-bar {
            background: var(--cream-100);
            padding: 32px 0;
            border-top: 1px solid var(--cream-200);
            border-bottom: 1px solid var(--cream-200);
        }
        .privacy-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--cream-50);
            border-radius: var(--radius-lg);
            padding: 24px 32px;
            border: 1px solid var(--cream-200);
        }
        .privacy-inner > i {
            font-size: 2rem;
            color: var(--gold-600);
            flex-shrink: 0;
        }
        .privacy-inner strong {
            display: block;
            font-size: .9375rem;
            margin-bottom: 4px;
            color: var(--text-dark-primary);
        }
        .privacy-inner p {
            margin: 0;
            font-size: .8125rem;
            color: var(--text-dark-secondary);
            line-height: 1.6;
        }
        .privacy-link {
            margin-left: auto;
            color: var(--gold-600);
            font-size: .875rem;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        @media (max-width: 767.98px) {
            .privacy-inner {
                flex-wrap: wrap;
                gap: 16px;
                padding: 20px;
            }
            .privacy-link {
                margin-left: 0;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: linear-gradient(180deg, var(--night-900) 0%, var(--night-800) 100%);
            padding: 70px 0 0;
            border-top: 1px solid rgba(217, 154, 61, 0.15);
        }
        .site-footer .brand-text {
            font-size: 1.125rem;
        }
        .footer-brand p {
            color: var(--text-on-night-dim);
            font-size: .875rem;
            line-height: 1.8;
            margin: 18px 0 24px;
            max-width: 260px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-on-night-dim);
            font-size: .9375rem;
            transition: all .3s ease;
        }
        .footer-social a:hover {
            background: rgba(217, 154, 61, 0.2);
            border-color: var(--gold-500);
            color: var(--gold-400);
            transform: translateY(-2px);
        }
        .footer-title {
            color: var(--text-on-night);
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold-500);
        }
        .footer-links-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links-list li {
            margin-bottom: 12px;
        }
        .footer-links-list a {
            color: var(--text-on-night-dim);
            font-size: .875rem;
            transition: color .3s ease, padding-left .3s ease;
        }
        .footer-links-list a:hover {
            color: var(--gold-400);
            padding-left: 6px;
        }
        .footer-contact p {
            color: var(--text-on-night-dim);
            font-size: .875rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--gold-500);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            margin-top: 50px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom p {
            margin: 0;
            color: var(--text-on-night-dim);
            font-size: .75rem;
        }
        .footer-bottom a {
            color: var(--text-on-night-dim);
            font-size: .75rem;
            margin-left: 20px;
        }
        .footer-bottom a:hover {
            color: var(--gold-400);
        }

        /* ===== Modal ===== */
        .modal-content {
            border: none;
            border-radius: var(--radius-lg);
            background: var(--cream-50);
            box-shadow: 0 24px 80px rgba(11, 8, 32, 0.4);
            overflow: hidden;
        }
        .modal-header {
            border-bottom: 1px solid var(--cream-200);
            padding: 24px 32px 0;
        }
        .modal-title {
            font-weight: 700;
            color: var(--text-dark-primary);
            font-size: 1.375rem;
        }
        .modal-header .btn-close {
            border-radius: 50%;
            width: 36px;
            height: 36px;
            padding: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.04);
            opacity: 1;
            transition: background .3s ease, transform .3s ease;
        }
        .modal-header .btn-close:hover {
            background: rgba(217, 154, 61, 0.2);
            transform: rotate(90deg);
        }
        .modal-body {
            padding: 24px 32px 32px;
        }
        .form-label {
            font-size: .875rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            margin-bottom: 8px;
        }
        .form-control {
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--cream-200);
            padding: 12px 16px;
            font-size: .9375rem;
            min-height: 48px;
            background: #fff;
            color: var(--text-dark-primary);
            transition: border-color .3s ease, box-shadow .3s ease;
        }
        .form-control:focus {
            border-color: var(--gold-500);
            box-shadow: 0 0 0 4px rgba(217, 154, 61, 0.15);
            outline: none;
            background: #fff;
        }
        .form-control::placeholder {
            color: #b6ad9e;
        }
        textarea.form-control {
            min-height: 110px;
            resize: vertical;
        }
        .modal-body .btn-gold {
            width: 100%;
            min-height: 52px;
            border-radius: var(--radius-sm);
            margin-top: 8px;
        }
        .privacy-note {
            margin-top: 16px;
            text-align: center;
            font-size: .75rem;
            color: var(--text-dark-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        .privacy-note i {
            color: var(--gold-600);
        }

        /* 搜索 Modal */
        .search-modal-content {
            border-radius: var(--radius-lg);
            background: var(--cream-50);
            padding: 16px;
        }
        .search-input-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1.5px solid var(--cream-200);
            border-radius: var(--radius-pill);
            padding: 12px 20px;
            margin-bottom: 20px;
            transition: border-color .3s ease, box-shadow .3s ease;
        }
        .search-input-wrap:focus-within {
            border-color: var(--gold-500);
            box-shadow: 0 0 0 4px rgba(217, 154, 61, 0.15);
        }
        .search-input-wrap > i {
            color: var(--gold-600);
        }
        .search-input-wrap input {
            border: none;
            outline: none;
            flex: 1;
            font-size: 1rem;
            background: transparent;
            color: var(--text-dark-primary);
        }
        .search-input-wrap input::placeholder {
            color: #b6ad9e;
        }
        .search-input-wrap .kbd-hint {
            background: var(--cream-100);
            border-radius: 6px;
            padding: 4px 10px;
            font-size: .75rem;
            color: var(--text-dark-secondary);
            white-space: nowrap;
        }
        .search-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .search-tag-label {
            font-size: .875rem;
            font-weight: 600;
            color: var(--text-dark-primary);
            margin-right: 4px;
        }
        .search-tags .tag-pill {
            font-size: .8125rem;
            cursor: pointer;
        }

        /* ===== 通用 ===== */
        .section {
            padding: var(--section-space) 0;
        }
        .text-gold {
            color: var(--gold-600);
        }

        @media (max-width: 767.98px) {
            :root {
                --section-space: 56px;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-subtitle {
                font-size: .9375rem;
            }
            .hero-trust {
                gap: 14px;
                justify-content: center;
            }
            .case-card-body {
                padding: 22px;
            }
            .process-step {
                padding: 28px 20px;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .faq-accordion .accordion-button {
                font-size: .9375rem;
                padding: 18px 20px;
            }
            .faq-accordion .accordion-body {
                padding: 0 20px 20px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-actions .btn {
                width: 100%;
            }
            .guide-metrics .metric-badge {
                padding: 20px 12px;
            }
        }