/* roulang page: index */
:root {
    --navy: #0b1a38;
    --primary: #2456d6;
    --primary-dark: #183fae;
    --gold: #f2b64b;
    --accent-2: #12b7a5;
    --bg: #f4f7fd;
    --bg-soft: #eef2f8;
    --ink: #12213d;
    --muted: #5e6d86;
    --border: #e3e9f3;
    --radius: 22px;
    --shadow: 0 8px 28px rgba(11, 26, 56, .08);
    --shadow-lg: 0 20px 50px rgba(11, 26, 56, .14);
    --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ========== Header & Navigation ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(255, 255, 255, .94);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 12px rgba(11, 26, 56, .05);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--navy);
    white-space: nowrap;
    letter-spacing: .01em;
}

.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--primary), var(--navy));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 8px 18px rgba(36, 86, 214, .28);
}

.header-search {
    flex: 1;
    max-width: 470px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 7px 8px 7px 18px;
    transition: border-color .25s, box-shadow .25s, background .25s;
}

.search-form:hover {
    border-color: #c6d2e8;
}

.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(36, 86, 214, .12);
    background: #fff;
}

.search-form .fa-magnifying-glass {
    color: var(--muted);
    font-size: .95rem;
}

.search-form input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: none;
    background: transparent;
    font-size: .95rem;
    color: var(--ink);
}

.search-form input::placeholder {
    color: #93a1b7;
}

.search-form button {
    background: var(--primary);
    color: #fff;
    border: 0;
    border-radius: 50px;
    padding: 9px 20px;
    font-size: .9rem;
    font-weight: 600;
    transition: background .2s, transform .2s;
}

.search-form button:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

.search-form button:focus-visible {
    outline: 3px solid rgba(242, 182, 75, .6);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-item a {
    display: inline-block;
    padding: 9px 15px;
    border-radius: 50px;
    font-size: .95rem;
    font-weight: 500;
    color: var(--ink);
    transition: background .2s, color .2s, box-shadow .2s;
}

.nav-item a:hover {
    background: var(--bg-soft);
    color: var(--primary);
}

.nav-item.active a {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(36, 86, 214, .22);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--ink);
    font-size: 1.1rem;
    padding: 9px 13px;
    border-radius: 12px;
    cursor: pointer;
    line-height: 1;
    transition: background .2s, border-color .2s;
}

.nav-toggle:hover {
    background: var(--bg-soft);
    border-color: #b8c6de;
}

/* ========== Hero ========== */
.hero {
    position: relative;
    isolation: isolate;
    padding: 118px 0 145px;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(115deg, rgba(5, 14, 32, .94) 0%, rgba(18, 52, 118, .86) 55%, rgba(36, 90, 190, .7) 100%);
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: .3;
    pointer-events: none;
}

.hero-inner {
    max-width: 900px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, .28);
    background: rgba(255, 255, 255, .1);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border-radius: 50px;
    padding: 8px 18px;
    font-size: .88rem;
    font-weight: 500;
    color: #fff;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2rem, 4.6vw, 3.6rem);
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: -.02em;
    margin-bottom: 22px;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.22rem);
    color: rgba(255, 255, 255, .86);
    max-width: 660px;
    line-height: 1.85;
    margin-bottom: 36px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 0;
    border-radius: 50px;
    padding: 13px 28px;
    font-size: .98rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}

.btn:focus-visible {
    outline: 3px solid rgba(242, 182, 75, .55);
    outline-offset: 3px;
}

.btn-gold {
    background: var(--gold);
    color: var(--navy);
    box-shadow: 0 12px 26px rgba(242, 182, 75, .28);
}

.btn-gold:hover {
    background: #ffc769;
    color: var(--navy);
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(242, 182, 75, .34);
}

.btn-ghost {
    background: rgba(255, 255, 255, .1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .35);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .2);
    color: #fff;
    border-color: rgba(255, 255, 255, .55);
    transform: translateY(-2px);
}

/* ========== Stats ========== */
.stats-section {
    position: relative;
    z-index: 4;
    margin-top: -72px;
    padding-bottom: 20px;
}

.stats-card {
    background: #fff;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 26px;
    box-shadow: var(--shadow-lg);
    padding: 30px 26px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 10px 6px;
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 6px;
}

.stat-item span:last-child {
    color: var(--muted);
    font-size: .92rem;
}

/* ========== Section Base ========== */
.section {
    padding: 96px 0;
}

.section-head {
    text-align: center;
    max-width: 660px;
    margin: 0 auto 50px;
}

.eyebrow {
    display: inline-block;
    color: var(--primary);
    font-size: .82rem;
    letter-spacing: .1em;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.7rem, 3.4vw, 2.7rem);
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--navy);
    line-height: 1.25;
    margin-bottom: 14px;
}

.section-sub {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 0;
}

/* ========== Feature Cards ========== */
.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    height: 100%;
    box-shadow: 0 4px 16px rgba(11, 26, 56, .04);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: #d0ddeb;
}

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 22px;
    box-shadow: 0 10px 22px rgba(36, 86, 214, .22);
}

.feature-card h3 {
    font-size: 1.22rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.8;
    margin-bottom: 0;
}

/* ========== Path / Step Section ========== */
.path-section {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 96px 0;
}

.step-list {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    counter-reset: step;
}

.step-list::before {
    content: "";
    position: absolute;
    top: 48px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--border) 0%, var(--primary) 50%, var(--border) 100%);
    border-radius: 2px;
}

.step-item {
    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 34px 24px 30px;
    text-align: center;
    transition: transform .3s, box-shadow .3s;
}

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

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 76px;
    height: 76px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--navy);
    color: var(--gold);
    font-size: 1.3rem;
    font-weight: 800;
    border: 4px solid #fff;
    box-shadow: 0 0 0 1px #d6e0ee, 0 10px 24px rgba(11, 26, 56, .14);
}

.step-item h3 {
    font-size: 1.16rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 10px;
}

.step-item p {
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.75;
    margin-bottom: 0;
}

/* ========== Category Explore ========== */
.category-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 4px 16px rgba(11, 26, 56, .04);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: #cdd9ea;
}

.category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform .5s ease;
}

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

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

.cat-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 10px;
}

.cat-body p {
    color: var(--muted);
    font-size: .93rem;
    line-height: 1.75;
    margin-bottom: 20px;
    flex: 1;
}

.cat-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: .95rem;
    transition: gap .25s ease;
}

.cat-link:hover {
    gap: 12px;
    color: var(--primary-dark);
}

/* ========== News / CMS List ========== */
.news-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 22px;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 4px 16px rgba(11, 26, 56, .04);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: #cdd9ea;
}

.news-thumb {
    height: 185px;
    overflow: hidden;
    position: relative;
}

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

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

.news-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.cate-badge {
    align-self: flex-start;
    background: rgba(36, 86, 214, .1);
    color: var(--primary);
    border-radius: 50px;
    font-size: .82rem;
    padding: 5px 14px;
    font-weight: 600;
}

.news-title {
    font-size: 1.16rem;
    font-weight: 700;
    line-height: 1.45;
    color: var(--navy);
    margin: 0;
}

.news-title a {
    color: inherit;
    transition: color .2s;
}

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

.news-text {
    color: var(--muted);
    font-size: .93rem;
    line-height: 1.75;
    flex: 1;
    margin: 0;
}

.news-date {
    color: var(--muted);
    font-size: .82rem;
    border-top: 1px dashed var(--border);
    padding-top: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.empty-state {
    background: #fff;
    border: 1px dashed #b9c7dc;
    border-radius: 18px;
    padding: 40px 20px;
    text-align: center;
    color: var(--muted);
}

/* ========== Immersive ========== */
.immersive-section {
    position: relative;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    padding: 100px 0;
}

.immersive-panel {
    background: linear-gradient(100deg, rgba(7, 16, 35, .94) 0%, rgba(7, 16, 35, .78) 55%, rgba(7, 16, 35, .55) 100%);
    border-radius: 30px;
    padding: 52px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .08);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.immersive-panel .eyebrow {
    color: var(--gold);
}

.immersive-panel h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
}

.immersive-panel p {
    color: rgba(255, 255, 255, .84);
    font-size: 1rem;
    line-height: 1.85;
    margin-bottom: 28px;
    max-width: 600px;
}

.immersive-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}

.immersive-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, .92);
    font-size: .96rem;
}

.immersive-list li i {
    color: var(--gold);
    margin-top: 5px;
}

/* ========== FAQ ========== */
.faq-wrap {
    max-width: 880px;
    margin: 0 auto;
}

.accordion-item {
    background: #fff;
    border: 1px solid var(--border) !important;
    border-radius: 18px !important;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(11, 26, 56, .04);
}

.accordion-button {
    background: #fff;
    color: var(--ink);
    font-weight: 600;
    font-size: 1rem;
    padding: 22px 26px;
    box-shadow: none !important;
    transition: color .2s, background .2s;
}

.accordion-button:not(.collapsed) {
    background: #f8faff;
    color: var(--primary);
}

.accordion-button:hover {
    background: #f8faff;
}

.accordion-button:focus {
    box-shadow: 0 0 0 4px rgba(36, 86, 214, .14) !important;
    border-radius: 18px;
}

.accordion-body {
    background: #fff;
    padding: 6px 26px 24px;
    color: var(--muted);
    line-height: 1.8;
    font-size: .95rem;
}

/* ========== CTA ========== */
.cta-panel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--navy) 0%, var(--primary) 100%);
    border-radius: 34px;
    padding: 68px 40px;
    color: #fff;
    text-align: center;
}

.cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, .13) 1px, transparent 1px);
    background-size: 26px 26px;
    opacity: .35;
    pointer-events: none;
}

.cta-panel h2 {
    position: relative;
    font-size: clamp(1.7rem, 3.4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 14px;
}

.cta-panel p {
    position: relative;
    color: rgba(255, 255, 255, .86);
    max-width: 560px;
    margin: 0 auto 34px;
    font-size: 1rem;
    line-height: 1.8;
}

.cta-actions {
    position: relative;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== Footer ========== */
.site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, .72);
    padding: 68px 0 0;
    margin-top: 96px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    margin-bottom: 30px;
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer-desc {
    font-size: .93rem;
    line-height: 1.8;
    max-width: 340px;
    color: rgba(255, 255, 255, .72);
}

.footer-title {
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 18px;
}

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

.footer-links li {
    margin-bottom: 11px;
}

.footer-links a {
    color: rgba(255, 255, 255, .7);
    font-size: .93rem;
    transition: color .2s, padding-left .2s;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding-bottom: 30px;
    font-size: .86rem;
    color: rgba(255, 255, 255, .55);
}

.footer-bottom a {
    color: rgba(255, 255, 255, .75);
}

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

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .header-inner {
        gap: 18px;
    }

    .header-search {
        flex: 1 1 100%;
        order: 3;
        max-width: none;
    }

    .main-nav {
        order: 2;
        margin-left: auto;
    }

    .hero {
        padding: 90px 0 130px;
    }

    .section {
        padding: 80px 0;
    }

    .path-section {
        padding: 80px 0;
    }

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

@media (max-width: 767px) {
    .header-inner {
        gap: 12px;
    }

    .brand-link {
        font-size: 1rem;
    }

    .brand-icon {
        width: 38px;
        height: 38px;
        font-size: .9rem;
    }

    .main-nav {
        display: none;
        order: 3;
        flex-basis: 100%;
        margin: 0;
        padding-top: 6px;
        border-top: 1px solid var(--border);
        margin-top: 4px;
    }

    .main-nav.open {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 8px 0 12px;
    }

    .nav-item a {
        display: block;
        padding: 12px 16px;
        border-radius: 14px;
    }

    .nav-toggle {
        display: inline-flex;
        order: 2;
        margin-left: auto;
    }

    .header-search {
        order: 4;
        flex-basis: 100%;
    }

    .hero {
        padding: 74px 0 120px;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    .stats-card {
        grid-template-columns: repeat(2, 1fr);
        padding: 24px 16px;
    }

    .step-list {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .step-list::before {
        display: none;
    }

    .step-item {
        padding: 26px 22px;
    }

    .section {
        padding: 64px 0;
    }

    .path-section {
        padding: 64px 0;
    }

    .immersive-panel {
        padding: 30px 24px;
    }

    .cta-panel {
        padding: 50px 22px;
        border-radius: 26px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }

    .site-footer {
        margin-top: 70px;
    }

    .section-head {
        margin-bottom: 38px;
    }
}

@media (max-width: 520px) {
    .header-search {
        max-width: none;
    }

    .stats-card {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        border-radius: 20px;
    }

    .hero-tag {
        font-size: .8rem;
        padding: 7px 14px;
    }

    .section-title {
        font-size: 1.55rem;
    }
}

/* roulang page: category1 */
/* ========== Design Tokens ========== */
        :root{
            --primary:#12192b;
            --primary-light:#1f2a43;
            --accent:#f0b647;
            --accent-dark:#d99a2b;
            --bg:#f4f6fb;
            --bg-soft:#eef1f7;
            --card:#ffffff;
            --card-soft:#fafbfe;
            --text:#182034;
            --text-muted:#5d6778;
            --border:#e3e8f0;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 10px 30px rgba(16,24,40,.08);
            --shadow-lg:0 20px 50px rgba(16,24,40,.12);
            --transition:.3s cubic-bezier(.4,0,.2,1);
        }
        *{margin:0;padding:0;box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:var(--primary);transition:color var(--transition)}
        a:hover{color:var(--accent-dark)}
        img{max-width:100%;display:block}
        .container{max-width:1200px;padding:0 24px}
        .section{padding:90px 0}
        .section-heading{text-align:center;max-width:700px;margin:0 auto 56px}
        .section-heading .tag-label{display:inline-flex;align-items:center;gap:8px;background:rgba(240,182,71,.12);color:#b88216;font-size:14px;font-weight:600;padding:6px 18px;border-radius:30px;letter-spacing:.05em;margin-bottom:16px}
        .section-heading h2{font-size:2.2rem;font-weight:800;color:var(--primary);letter-spacing:-.02em;margin-bottom:14px}
        .section-heading p{font-size:1.05rem;color:var(--text-muted)}
        .highlight{color:var(--accent)}

        /* ========== Header / Nav ========== */
        .site-header{background:rgba(18,25,43,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06);position:sticky;top:0;z-index:1000;box-shadow:0 4px 24px rgba(0,0,0,.12)}
        .header-inner{display:flex;align-items:center;gap:22px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
        .brand-link{display:inline-flex;align-items:center;gap:10px;font-size:1.28rem;font-weight:800;letter-spacing:-.01em;color:#fff;flex-shrink:0}
        .brand-link:hover{color:var(--accent)}
        .brand-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#ffc96b);display:flex;align-items:center;justify-content:center;color:#192035;font-size:1.05rem;box-shadow:0 4px 14px rgba(240,182,71,.35)}
        .header-search{flex:1;max-width:420px;min-width:220px}
        .search-form{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:50px;padding:5px 6px 5px 16px;transition:border-color var(--transition),background var(--transition)}
        .search-form:focus-within{border-color:var(--accent);background:rgba(255,255,255,.12)}
        .search-form i{color:#94a0b8;font-size:.9rem;margin-right:10px}
        .search-form input{flex:1;background:transparent;border:none;outline:none;color:#fff;font-size:.9rem;min-width:0}
        .search-form input::placeholder{color:#7e8aa3}
        .search-form button{background:var(--accent);border:none;color:#182034;font-weight:700;font-size:.84rem;padding:7px 18px;border-radius:50px;cursor:pointer;transition:background var(--transition),transform var(--transition)}
        .search-form button:hover{background:var(--accent-dark);transform:translateY(-1px)}
        .main-nav{margin-left:auto}
        .nav-menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
        .nav-menu .nav-link{display:block;padding:9px 16px;color:#c3cbdd;font-size:.92rem;font-weight:500;border-radius:8px;transition:color var(--transition),background var(--transition)}
        .nav-menu .nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
        .nav-menu .nav-link.active{color:var(--accent);background:rgba(240,182,71,.12)}
        .nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#fff;width:42px;height:42px;font-size:1.1rem;cursor:pointer;margin-left:auto;transition:background var(--transition),border-color var(--transition)}
        .nav-toggle:hover{background:rgba(255,255,255,.08)}
        @media(max-width:991px){
            .header-inner{gap:14px}
            .main-nav{display:none;flex-basis:100%;margin-left:0;order:4}
            .main-nav.open{display:block}
            .nav-menu{flex-direction:column;gap:0;padding:8px 0}
            .nav-menu .nav-link{padding:12px 16px;border-radius:8px}
            .nav-toggle{display:flex;align-items:center;justify-content:center}
            .header-search{order:3;flex-basis:100%;max-width:none}
        }
        @media(max-width:520px){
            .header-inner{padding-top:12px;padding-bottom:12px}
            .brand-link{font-size:1.1rem}
            .brand-icon{width:34px;height:34px;font-size:.95rem}
        }

        /* ========== Hero ========== */
        .hero{position:relative;background-size:cover;background-position:center;padding:120px 0 130px;color:#fff;overflow:hidden}
        .hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(8,13,26,.88) 0%,rgba(12,18,34,.72) 45%,rgba(18,25,43,.45) 100%)}
        .hero::after{content:"";position:absolute;bottom:-60px;left:0;right:0;height:120px;background:linear-gradient(transparent,var(--bg))}
        .hero-content{position:relative;z-index:2;max-width:720px}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(240,182,71,.16);border:1px solid rgba(240,182,71,.3);color:var(--accent);font-size:.84rem;font-weight:600;padding:6px 16px;border-radius:30px;letter-spacing:.04em;margin-bottom:20px}
        .hero h1{font-size:3.2rem;font-weight:900;line-height:1.15;letter-spacing:-.02em;margin-bottom:18px}
        .hero h1 .underline{position:relative;white-space:nowrap}
        .hero h1 .underline::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:8px;background:var(--accent);opacity:.32;border-radius:4px;z-index:-1}
        .hero-lead{font-size:1.12rem;color:#d3dbea;max-width:580px;line-height:1.8;margin-bottom:32px}
        .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
        .btn-custom{padding:13px 30px;border-radius:50px;font-size:.95rem;font-weight:700;border:none;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition),background var(--transition);display:inline-flex;align-items:center;gap:9px}
        .btn-accent{background:linear-gradient(135deg,var(--accent),#ffc96b);color:#1a2035;box-shadow:0 8px 24px rgba(240,182,71,.35)}
        .btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(240,182,71,.45);color:#1a2035}
        .btn-ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;backdrop-filter:blur(6px)}
        .btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}
        .hero-meta{display:flex;gap:24px;margin-top:44px;flex-wrap:wrap}
        .hero-meta-item{display:flex;align-items:center;gap:10px;color:#b8c1d4;font-size:.9rem}
        .hero-meta-item i{color:var(--accent)}
        @media(max-width:768px){
            .hero{padding:80px 0 90px}
            .hero h1{font-size:2.3rem}
            .hero-lead{font-size:1rem}
            .hero-meta{gap:14px;margin-top:30px}
        }
        @media(max-width:520px){
            .hero{padding:64px 0 76px}
            .hero h1{font-size:1.95rem}
            .hero-actions .btn-custom{width:100%;justify-content:center}
        }

        /* ========== Stats ========== */
        .stats-section{padding:70px 0;background:var(--card);border-bottom:1px solid var(--border)}
        .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
        .stat-item{padding:18px}
        .stat-number{font-size:2.8rem;font-weight:900;color:var(--primary);line-height:1.1;letter-spacing:-.02em}
        .stat-number .highlight{color:var(--accent)}
        .stat-label{font-size:.9rem;color:var(--text-muted);margin-top:8px}
        @media(max-width:768px){
            .stats-section{padding:50px 0}
            .stats-row{grid-template-columns:repeat(2,1fr);gap:20px}
            .stat-number{font-size:2.2rem}
        }

        /* ========== Category Cards ========== */
        .cards-section{background:var(--bg)}
        .card-category{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);height:100%;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
        .card-category:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
        .card-category .card-img{position:relative;height:190px;overflow:hidden}
        .card-category .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1)}
        .card-category:hover .card-img img{transform:scale(1.06)}
        .card-category .card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(12,18,34,.45))}
        .card-category .card-tag{position:absolute;top:16px;left:16px;z-index:2;background:var(--accent);color:#1a2035;font-size:.75rem;font-weight:700;padding:5px 14px;border-radius:30px;letter-spacing:.03em}
        .card-body-custom{padding:24px 26px 28px}
        .card-body-custom h3{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:8px}
        .card-body-custom p{font-size:.9rem;color:var(--text-muted);line-height:1.65;margin-bottom:16px}
        .card-link{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;font-weight:600;color:var(--accent-dark)}
        .card-link i{transition:transform var(--transition)}
        .card-link:hover i{transform:translateX(4px)}
        @media(max-width:768px){
            .cards-section .row{gap:24px}
        }

        /* ========== Steps ========== */
        .steps-section{background:var(--primary);color:#fff;position:relative;overflow:hidden}
        .steps-section::before{content:"";position:absolute;top:-120px;right:-120px;width:380px;height:380px;border-radius:50%;background:rgba(240,182,71,.08);pointer-events:none}
        .steps-section::after{content:"";position:absolute;bottom:-80px;left:-80px;width:260px;height:260px;border-radius:50%;background:rgba(240,182,71,.05);pointer-events:none}
        .steps-section .section-heading h2{color:#fff}
        .steps-section .section-heading p{color:#aeb8cc}
        .steps-section .section-heading .tag-label{background:rgba(240,182,71,.14);color:var(--accent)}
        .step-item{position:relative;text-align:center;padding:32px 18px}
        .step-number{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#ffc96b);display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:800;color:#1a2035;margin:0 auto 20px;box-shadow:0 8px 24px rgba(240,182,71,.3);position:relative;z-index:2}
        .step-item:not(:last-child)::after{content:"";position:absolute;top:64px;left:calc(50% + 44px);width:calc(100% - 88px);height:2px;background:rgba(255,255,255,.12);display:none}
        .step-item h3{font-size:1.12rem;font-weight:700;margin-bottom:10px;color:#fff}
        .step-item p{font-size:.88rem;color:#aeb8cc;line-height:1.65}
        .steps-divider{display:none}
        @media(min-width:992px){
            .steps-divider{display:block;position:absolute;top:60px;left:0;right:0;height:2px;background:rgba(255,255,255,.1);z-index:1}
        }
        @media(max-width:768px){
            .step-item{margin-bottom:20px}
        }

        /* ========== Scenarios ========== */
        .scenario-card{background:var(--card);border-radius:var(--radius);padding:30px 26px;border:1px solid var(--border);height:100%;transition:box-shadow var(--transition),transform var(--transition)}
        .scenario-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
        .scenario-icon{width:52px;height:52px;border-radius:14px;background:rgba(240,182,71,.12);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:18px}
        .scenario-card h3{font-size:1.1rem;font-weight:700;color:var(--primary);margin-bottom:10px}
        .scenario-card p{font-size:.9rem;color:var(--text-muted);line-height:1.7}

        /* ========== FAQ ========== */
        .faq-section{background:var(--card)}
        .faq-wrap{max-width:820px;margin:0 auto}
        .accordion-item{border:1px solid var(--border)!important;border-radius:14px!important;margin-bottom:14px;overflow:hidden;box-shadow:none!important}
        .accordion-button{font-size:.96rem!important;font-weight:600!important;color:var(--primary)!important;padding:18px 24px!important;background:var(--card)!important;transition:background var(--transition)}
        .accordion-button:not(.collapsed){background:rgba(240,182,71,.06)!important;color:var(--primary)!important;box-shadow:none!important}
        .accordion-button:focus{box-shadow:none!important}
        .accordion-button::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23d99a2b'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E")!important}
        .accordion-body{font-size:.92rem;color:var(--text-muted);line-height:1.75;padding:8px 24px 22px!important}

        /* ========== CTA ========== */
        .cta-section{position:relative;padding:90px 0;background-size:cover;background-position:center;text-align:center;color:#fff}
        .cta-section::before{content:"";position:absolute;inset:0;background:rgba(10,15,28,.82)}
        .cta-content{position:relative;z-index:2;max-width:680px;margin:0 auto}
        .cta-content h2{font-size:2.1rem;font-weight:800;margin-bottom:14px;letter-spacing:-.01em}
        .cta-content p{font-size:1.05rem;color:#cdd5e4;margin-bottom:32px;line-height:1.7}
        .cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
        .btn-outline-light-custom{background:transparent;border:2px solid rgba(255,255,255,.5);color:#fff;padding:12px 28px;border-radius:50px;font-weight:600;transition:border-color var(--transition),background var(--transition),transform var(--transition)}
        .btn-outline-light-custom:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
        @media(max-width:520px){
            .cta-section{padding:64px 0}
            .cta-content h2{font-size:1.6rem}
            .cta-buttons .btn-custom{width:100%;justify-content:center}
        }

        /* ========== Footer ========== */
        .site-footer{background:#0d1322;color:#a5adc0;padding:70px 0 30px;font-size:.9rem}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;margin-bottom:48px}
        .footer-brand{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:800;color:#fff;margin-bottom:14px}
        .footer-brand .brand-icon{width:36px;height:36px;font-size:.95rem}
        .footer-desc{line-height:1.7;color:#8c96aa;max-width:360px}
        .footer-title{font-size:1rem;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
        .footer-links{list-style:none;padding:0;margin:0}
        .footer-links li{margin-bottom:10px}
        .footer-links a{color:#8c96aa;transition:color var(--transition),padding-left var(--transition)}
        .footer-links a:hover{color:var(--accent);padding-left:6px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#667085}
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr;gap:32px}
            .footer-bottom{flex-direction:column;text-align:center;align-items:center}
        }

        /* ========== Responsive Utilities ========== */
        @media(max-width:520px){
            .section{padding:64px 0}
            .section-heading{margin-bottom:38px}
            .section-heading h2{font-size:1.6rem}
        }

/* roulang page: article */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0f2f5c;
            --primary-dark: #081b36;
            --primary-light: #1e4f8a;
            --accent: #f0b90b;
            --accent-hover: #d4a208;
            --text: #16233d;
            --muted: #60708c;
            --bg: #f3f6fb;
            --card-bg: #ffffff;
            --border: #e1e8f2;
            --shadow-sm: 0 2px 8px rgba(15, 47, 92, .06);
            --shadow-md: 0 10px 24px rgba(15, 47, 92, .1);
            --shadow-lg: 0 20px 45px rgba(15, 47, 92, .14);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition: all .25s ease;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            padding: 0 24px;
            margin: 0 auto;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 72px;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: var(--shadow-sm);
        }
        .header-search {
            flex: 1;
            max-width: 440px;
            margin: 0 auto;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 6px 8px 6px 18px;
            transition: var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(240, 185, 11, .2);
            background: #fff;
        }
        .search-form i {
            color: var(--muted);
            font-size: .95rem;
            margin-right: 8px;
        }
        .search-form input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: .95rem;
            color: var(--text);
            min-width: 0;
        }
        .search-form input::placeholder {
            color: #a7b4c6;
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 7px 18px;
            font-size: .9rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .main-nav {}
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .nav-item {}
        .nav-item a {
            display: block;
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: .92rem;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-item a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .nav-item.active a {
            background: var(--primary);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px 10px;
        }

        /* ========== 文章横幅 ========== */
        .article-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 90px 0 80px;
            color: #fff;
            text-align: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 27, 54, .65), rgba(8, 27, 54, .85));
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            justify-content: center;
            gap: 12px;
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
            font-size: .92rem;
            color: rgba(255, 255, 255, .85);
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: '/';
            opacity: .6;
        }
        .breadcrumb-custom a {
            color: #fff;
            transition: opacity .2s;
        }
        .breadcrumb-custom a:hover {
            opacity: .8;
        }
        .article-title {
            font-size: 2.4rem;
            font-weight: 800;
            max-width: 900px;
            margin: 0 auto 16px;
            line-height: 1.3;
            text-shadow: 0 4px 15px rgba(0, 0, 0, .3);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: .95rem;
            opacity: .9;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== 正文卡片 ========== */
        .article-section {
            margin-top: -40px;
            background: var(--bg);
            padding-bottom: 70px;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 50px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-body {
            font-size: 1.05rem;
            color: var(--text);
            line-height: 1.9;
        }
        .article-body h2,
        .article-body h3 {
            margin: 28px 0 16px;
            color: var(--primary);
            font-weight: 800;
            line-height: 1.4;
        }
        .article-body h2 {
            font-size: 1.6rem;
        }
        .article-body h3 {
            font-size: 1.3rem;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            margin: 24px auto;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--muted);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 10px;
        }
        .article-body a {
            color: var(--primary-light);
            font-weight: 600;
        }
        .article-tags {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border: 1px solid var(--border);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: .85rem;
            color: var(--muted);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .share-box {
            margin-top: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .share-box .share-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: .9rem;
            color: #fff;
            background: var(--primary-light);
            border: none;
            transition: var(--transition);
        }
        .share-box .share-btn:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }
        .not-found {
            text-align: center;
            padding: 40px 0;
        }
        .not-found h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }

        /* ========== FAQ 区块 ========== */
        .faq-section {
            padding: 70px 0;
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            text-align: center;
        }
        .section-subtitle {
            text-align: center;
            color: var(--muted);
            max-width: 600px;
            margin: 0 auto 40px;
        }
        .faq-section .accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .faq-section .accordion-button {
            background: var(--bg);
            font-weight: 700;
            color: var(--text);
            padding: 16px 24px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--primary);
            color: #fff;
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
        }
        .faq-section .accordion-body {
            padding: 20px 24px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 70px 0;
            background: var(--bg);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 20px;
        }
        .post-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .post-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .post-card-body {
            padding: 20px;
        }
        .post-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
            color: var(--text);
        }
        .post-card-text {
            font-size: .9rem;
            color: var(--muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .post-card-link {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .post-card-link:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light)), url('/assets/images/backpic/back-2.webp') center/cover;
            color: #fff;
            text-align: center;
            border-top: 4px solid var(--accent);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: .9;
            max-width: 640px;
            margin: 0 auto 36px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 1.05rem;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 10px 25px rgba(0, 0, 0, .2);
        }
        .btn-cta:hover {
            background: #fff;
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, .3);
            color: var(--primary-dark);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .brand-icon {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .footer-desc {
            font-size: .95rem;
            line-height: 1.7;
            opacity: .85;
            max-width: 320px;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .75);
            transition: var(--transition);
            font-size: .95rem;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            font-size: .85rem;
            opacity: .75;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .article-banner {
                padding: 70px 0 60px;
            }
            .article-title {
                font-size: 2rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-card {
                padding: 36px;
            }
        }
        @media (max-width: 992px) {
            .header-inner {
                flex-wrap: wrap;
                position: relative;
            }
            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: none;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-top: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: 16px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                z-index: 999;
            }
            .main-nav.open {
                display: block;
            }
            .nav-menu {
                flex-direction: column;
                gap: 4px;
            }
            .nav-item a {
                padding: 12px 20px;
                border-radius: 12px;
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 1.7rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 8px;
            }
            .article-meta span {
                justify-content: center;
            }
            .article-section {
                margin-top: -24px;
                padding-bottom: 50px;
            }
            .article-card {
                padding: 22px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .faq-section .accordion-button {
                font-size: .95rem;
                padding: 14px 16px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .article-title {
                font-size: 1.35rem;
            }
            .article-card {
                padding: 16px;
                border-radius: var(--radius-md);
            }
            .article-body {
                font-size: .98rem;
            }
            .btn-cta {
                width: 100%;
                justify-content: center;
            }
            .breadcrumb-custom {
                flex-wrap: wrap;
                gap: 8px;
            }
            .header-inner {
                gap: 12px;
            }
            .brand-link {
                font-size: 1.05rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: .95rem;
            }
            .search-form button {
                padding: 6px 14px;
                font-size: .82rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #C9A05B;
            --primary-dark: #A6823F;
            --primary-light: #E8C87E;
            --dark: #141A27;
            --dark-2: #1B2233;
            --body-bg: #F7F4EF;
            --card-bg: #FFFFFF;
            --text: #232833;
            --text-muted: #6B7280;
            --border: #E7E1D8;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 12px rgba(20, 26, 39, 0.06);
            --shadow-md: 0 8px 30px rgba(20, 26, 39, 0.08);
            --shadow-lg: 0 18px 50px rgba(20, 26, 39, 0.14);
            --nav-h: 76px;
            --transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--body-bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(231, 225, 216, 0.8);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 20px rgba(20, 26, 39, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            min-height: var(--nav-h);
            flex-wrap: nowrap;
        }
        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-link:hover {
            color: var(--primary-dark);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(201, 160, 91, 0.35);
        }
        .header-search {
            flex: 1;
            max-width: 420px;
            margin-left: auto;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: #F1EFEA;
            border: 1px solid transparent;
            border-radius: 50px;
            padding: 4px 4px 4px 16px;
            transition: var(--transition);
        }
        .search-form:focus-within {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(201, 160, 91, 0.18);
        }
        .search-form i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-form input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            outline: none;
            min-width: 0;
            padding: 8px 0;
        }
        .search-form input::placeholder {
            color: #9CA3AF;
        }
        .search-form button {
            background: var(--dark);
            border: none;
            color: #fff;
            border-radius: 40px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }

        .main-nav {
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 4px;
            margin: 0;
            padding: 0;
        }
        .nav-item a {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-item a:hover {
            background: rgba(201, 160, 91, 0.12);
            color: var(--primary-dark);
        }
        .nav-item.active a {
            background: var(--dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(20, 26, 39, 0.2);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            font-size: 18px;
            color: var(--dark);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: var(--dark);
            color: #fff;
            border-color: var(--dark);
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(rgba(20, 26, 39, 0.75), rgba(20, 26, 39, 0.65)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 110px 0 120px;
            position: relative;
            color: #fff;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--body-bg), transparent);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.24);
            border-radius: 30px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            backdrop-filter: blur(8px);
            margin-bottom: 22px;
        }
        .hero h1 {
            font-size: clamp(32px, 4.8vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            max-width: 760px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero .highlight {
            color: var(--primary-light);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            max-width: 620px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 34px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: var(--dark);
            border: none;
            border-radius: 50px;
            padding: 14px 32px;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(201, 160, 91, 0.4);
        }
        .btn-hero-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(201, 160, 91, 0.45);
            color: var(--dark);
        }
        .btn-hero-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 50px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }
        .btn-hero-ghost:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== Section ===== */
        .section-pad {
            padding: 90px 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(201, 160, 91, 0.12);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 6px 18px;
            border-radius: 30px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: clamp(28px, 3.6vw, 38px);
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ===== Dimension cards ===== */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .dimension-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 26px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .dimension-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light), transparent);
            opacity: 0;
            transition: var(--transition);
        }
        .dimension-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 160, 91, 0.35);
        }
        .dimension-card:hover::before {
            opacity: 1;
        }
        .dimension-icon {
            width: 62px;
            height: 62px;
            margin: 0 auto 20px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #fff;
            background: linear-gradient(135deg, var(--dark), #2D3648);
            box-shadow: 0 8px 20px rgba(20, 26, 39, 0.18);
        }
        .dimension-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .dimension-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Feature split ===== */
        .feature-block {
            background: var(--dark);
            color: #fff;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .feature-block::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 160, 91, 0.12), transparent 70%);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-media img {
            border-radius: 20px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            width: 100%;
            object-fit: cover;
        }
        .feature-media {
            position: relative;
        }
        .feature-media::after {
            content: '';
            position: absolute;
            inset: 18px -18px -18px 18px;
            border: 2px solid rgba(201, 160, 91, 0.35);
            border-radius: 20px;
            z-index: 0;
        }
        .feature-media img {
            position: relative;
            z-index: 1;
        }
        .feature-content .section-tag {
            color: var(--primary-light);
            background: rgba(201, 160, 91, 0.16);
        }
        .feature-content h2 {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .feature-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 24px;
        }
        .feature-list {
            list-style: none;
            margin: 0 0 30px;
            padding: 0;
        }
        .feature-list li {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
            align-items: flex-start;
        }
        .feature-list li i {
            color: var(--primary-light);
            margin-top: 4px;
            font-size: 16px;
            flex-shrink: 0;
        }

        /* ===== Process timeline ===== */
        .process-section {
            padding: 90px 0;
            background: #fff;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
        }
        .process-item {
            position: relative;
            padding: 30px 20px;
            background: var(--body-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            text-align: center;
            transition: var(--transition);
        }
        .process-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: #fff;
        }
        .process-step {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--dark);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 17px;
            margin: 0 auto 18px;
            box-shadow: 0 4px 14px rgba(20, 26, 39, 0.2);
        }
        .process-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .process-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .process-line {
            position: absolute;
            top: 48px;
            right: -24px;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), rgba(201, 160, 91, 0.2));
        }
        .process-item:last-child .process-line {
            display: none;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: url('/assets/images/backpic/back-2.webp') center/cover fixed;
            padding: 80px 0;
            position: relative;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(20, 26, 39, 0.88);
        }
        .stats-inner {
            position: relative;
            z-index: 1;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
            color: #fff;
        }
        .stat-num {
            font-size: clamp(36px, 4vw, 52px);
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 1px;
        }

        /* ===== PHP list cards ===== */
        .notes-section {
            padding: 90px 0;
            background: var(--body-bg);
        }
        .notes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .note-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .note-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 160, 91, 0.3);
        }
        .note-card-media {
            height: 180px;
            overflow: hidden;
        }
        .note-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .note-card:hover .note-card-media img {
            transform: scale(1.05);
        }
        .note-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .note-card-tag {
            display: inline-flex;
            align-self: flex-start;
            background: rgba(201, 160, 91, 0.12);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .note-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .note-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .note-card-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: #9CA3AF;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 90px 0;
            background: #fff;
        }
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            padding: 20px 24px;
            background: #fff;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(201, 160, 91, 0.06);
            color: var(--primary-dark);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 160, 91, 0.2) !important;
            border-radius: var(--radius-sm);
        }
        .accordion-body {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            padding: 8px 24px 24px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, var(--dark) 0%, #202A40 60%, #2A1F14 100%);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
            color: #fff;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(201, 160, 91, 0.28), transparent 70%);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(28px, 3.6vw, 38px);
            font-weight: 800;
            margin-bottom: 18px;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 34px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            background: var(--primary);
            color: var(--dark);
            border-radius: 50px;
            padding: 15px 36px;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 8px 30px rgba(201, 160, 91, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .btn-cta-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            color: var(--dark);
        }
        .btn-cta-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            padding: 13px 34px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--dark);
            color: var(--primary-light);
            border: none;
            font-size: 18px;
            cursor: pointer;
            box-shadow: var(--shadow-lg);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: var(--transition);
        }
        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                padding-top: 12px;
                padding-bottom: 12px;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
                margin-top: 4px;
            }
            .main-nav {
                order: 2;
                flex: 1;
                overflow-x: auto;
            }
            .nav-menu {
                flex-wrap: nowrap;
                overflow-x: auto;
                scrollbar-width: none;
            }
            .nav-menu::-webkit-scrollbar {
                display: none;
            }
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-line {
                display: none;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .notes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-h: 64px;
            }
            .header-inner {
                gap: 12px;
            }
            .brand-link {
                font-size: 17px;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                order: 4;
                flex-basis: 100%;
                overflow: visible;
                background: #fff;
                border-radius: 14px;
                padding: 12px;
                box-shadow: var(--shadow-md);
            }
            .main-nav.open {
                display: block;
            }
            .nav-menu {
                flex-direction: column;
                overflow: visible;
            }
            .nav-item a {
                display: flex;
                width: 100%;
                padding: 12px 18px;
                border-radius: 10px;
            }
            .hero {
                padding: 80px 0 90px;
            }
            .section-pad {
                padding: 60px 0;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .notes-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .faq-section,
            .process-section,
            .notes-section {
                padding: 60px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .cta-section {
                padding: 60px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-link {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-hero-primary,
            .btn-hero-ghost {
                justify-content: center;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .search-form button {
                padding: 8px 14px;
                font-size: 12px;
            }
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-primary: #122b4a;
            --brand-deep: #0d2038;
            --brand-accent: #f5a524;
            --brand-teal: #13b5b1;
            --bg-soft: #eef2f7;
            --text-main: #1a2029;
            --text-muted: #6b7683;
            --border-light: #dfe6ee;
            --radius-lg: 1.25rem;
            --radius-md: .9rem;
            --shadow-light: 0 10px 30px rgba(18, 43, 74, .08);
            --shadow-mid: 0 20px 45px rgba(18, 43, 74, .12);
            --space-y: 5.5rem;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-main);
            background: #fff;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        a {
            transition: all .2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(19, 181, 177, .4);
            outline-offset: 2px;
        }

        .container {
            max-width: 1240px;
        }

        .section {
            padding: var(--space-y) 0;
        }
        .bg-soft {
            background: var(--bg-soft);
        }
        .section-head {
            margin-bottom: 2.75rem;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(19, 181, 177, .1);
            color: #0b8e8b;
            font-weight: 700;
            font-size: .875rem;
            letter-spacing: .04em;
            padding: .45rem 1.1rem;
            border-radius: 999px;
            margin-bottom: 1rem;
            border: 1px solid rgba(19, 181, 177, .2);
        }
        .section-label i {
            color: var(--brand-teal);
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--brand-primary);
            margin-bottom: 1rem;
            letter-spacing: -.02em;
        }
        .section-lead {
            max-width: 720px;
            color: var(--text-muted);
            font-size: 1.0625rem;
            margin-bottom: 0;
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding-top: .85rem;
            padding-bottom: .85rem;
        }
        .brand-link {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            text-decoration: none;
            color: var(--brand-primary);
            font-weight: 800;
            font-size: 1.3rem;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-link:hover {
            color: var(--brand-primary);
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand-primary) 10%, var(--brand-teal) 90%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            box-shadow: 0 10px 20px rgba(18, 43, 74, .22);
            flex: 0 0 auto;
        }
        .header-search {
            flex: 1 1 auto;
            max-width: 420px;
            margin-left: .25rem;
        }
        .search-form {
            display: flex;
            align-items: center;
            gap: .5rem;
            background: var(--bg-soft);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: .42rem .42rem .42rem 1.1rem;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .search-form i {
            color: var(--text-muted);
            font-size: .95rem;
        }
        .search-form input {
            border: 0;
            background: transparent;
            outline: none;
            flex: 1 1 auto;
            min-width: 0;
            font-size: .95rem;
            color: var(--text-main);
        }
        .search-form input::placeholder {
            color: #9aa7b4;
        }
        .search-form button {
            flex: 0 0 auto;
            border: 0;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 700;
            font-size: .9rem;
            border-radius: 999px;
            padding: .45rem 1.2rem;
            transition: background .2s ease, transform .2s ease;
        }
        .search-form button:hover {
            background: #173c63;
            transform: translateY(-1px);
        }
        .main-nav {
            margin-left: auto;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: .25rem;
        }
        .nav-item>a {
            display: inline-flex;
            align-items: center;
            padding: .55rem 1.15rem;
            font-weight: 600;
            font-size: .95rem;
            color: var(--text-main);
            text-decoration: none;
            border-radius: 999px;
            gap: .25rem;
            transition: background .2s ease, color .2s ease, transform .2s ease;
        }
        .nav-item>a:hover {
            background: var(--bg-soft);
            color: var(--brand-primary);
            transform: translateY(-1px);
        }
        .nav-item.active>a {
            background: var(--brand-primary);
            color: #fff;
            box-shadow: 0 8px 16px rgba(18, 43, 74, .18);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            background: #fff;
            border-radius: 12px;
            color: var(--brand-primary);
            font-size: 1.1rem;
        }

        /* Hero */
        .hero-section {
            position: relative;
            isolation: isolate;
            padding: 6.5rem 0 7rem;
            background: linear-gradient(115deg, rgba(8, 19, 38, .94) 0%, rgba(14, 44, 74, .86) 60%, rgba(0, 180, 182, .28) 130%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 165, 36, .5), transparent 70%);
            z-index: -1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            padding: .5rem 1.1rem;
            border-radius: 999px;
            font-size: .875rem;
            font-weight: 600;
            color: #f1f4f7;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            color: var(--brand-accent);
        }
        .hero-title {
            font-size: clamp(2.1rem, 4vw, 3.3rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -.02em;
            margin-bottom: 1.25rem;
        }
        .hero-sub {
            font-size: 1.125rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .82);
            max-width: 760px;
            margin: 0 0 2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .75rem;
            margin-bottom: 3rem;
        }
        .hero-btn-primary,
        .hero-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            padding: .85rem 1.7rem;
            border-radius: 999px;
            font-weight: 700;
            text-decoration: none;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }
        .hero-btn-primary {
            background: var(--brand-accent);
            color: #142a44;
            box-shadow: 0 12px 26px rgba(245, 165, 36, .28);
        }
        .hero-btn-primary:hover {
            background: #f0a214;
            color: #142a44;
            transform: translateY(-2px);
            box-shadow: 0 16px 32px rgba(245, 165, 36, .38);
        }
        .hero-btn-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .55);
        }
        .hero-btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-route {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, .15);
            color: rgba(255, 255, 255, .8);
            font-size: .925rem;
        }
        .route-step {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }
        .route-step i {
            color: var(--brand-teal);
        }
        .route-line {
            width: 40px;
            height: 1px;
            border-top: 1px dashed rgba(255, 255, 255, .45);
            opacity: .8;
        }

        /* 评分卡片 */
        .score-card {
            height: 100%;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2rem 1.4rem;
            text-align: center;
            box-shadow: var(--shadow-light);
            transition: all .25s ease;
            position: relative;
        }
        .score-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-mid);
        }
        .score-card::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            width: 60px;
            height: 4px;
            border-radius: 0 0 8px 8px;
            background: linear-gradient(90deg, var(--brand-teal), var(--brand-accent));
            transform: translateX(-50%);
        }
        .score-value {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -.03em;
            color: var(--brand-primary);
            line-height: 1.15;
        }
        .score-unit {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text-muted);
            margin-left: .15rem;
        }
        .score-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-main);
            margin-top: .5rem;
        }
        .score-desc {
            font-size: .875rem;
            color: var(--text-muted);
            margin: .5rem 0 0;
        }

        /* 维度卡片 */
        .dim-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-light);
            position: relative;
            transition: transform .25s ease, box-shadow .25s ease;
            overflow: hidden;
        }
        .dim-card::after {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-teal), var(--brand-accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }
        .dim-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-mid);
        }
        .dim-card:hover::after {
            transform: scaleX(1);
        }
        .dim-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-teal));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.25rem;
            box-shadow: 0 10px 20px rgba(18, 43, 74, .16);
        }
        .dim-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 .65rem;
            color: var(--text-main);
        }
        .dim-card p {
            font-size: .95rem;
            color: var(--text-muted);
            margin: 0 0 1.2rem;
        }
        .dim-score {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            font-size: .875rem;
            color: #0b8e8b;
            font-weight: 700;
        }
        .dim-score span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 2rem;
            background: rgba(19, 181, 177, .1);
            border-radius: 999px;
            padding: .15rem .5rem;
            color: #0b8e8b;
            font-weight: 800;
        }

        /* 亮点模块 */
        .feature-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-mid);
        }
        .feature-visual img {
            width: 100%;
            display: block;
            object-fit: cover;
            min-height: 320px;
        }
        .feature-badge {
            position: absolute;
            left: 1.25rem;
            bottom: 1.25rem;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            padding: .65rem 1rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: .9rem;
            color: var(--brand-primary);
            box-shadow: var(--shadow-light);
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }
        .feature-list {
            display: grid;
            gap: 1.1rem;
            margin-top: .25rem;
        }
        .feature-item {
            display: flex;
            gap: .9rem;
            align-items: flex-start;
        }
        .feature-item>i {
            flex: 0 0 auto;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(19, 181, 177, .12);
            color: #0b8e8b;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
            margin-top: .25rem;
        }
        .feature-item strong {
            display: block;
            font-weight: 700;
            color: var(--text-main);
        }
        .feature-item span {
            font-size: .9rem;
            color: var(--text-muted);
        }
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: .75rem;
            margin-top: 1.6rem;
        }
        .feature-tags .tag-item {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            background: var(--bg-soft);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: .4rem 1rem;
            font-size: .85rem;
            color: var(--text-muted);
            font-weight: 600;
        }
        .feature-tags .tag-item i {
            color: var(--brand-accent);
        }

        /* 评测方法 */
        .method-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.6rem;
            margin-top: 2rem;
        }
        .method-step {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.9rem 1.5rem;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-light);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .method-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-mid);
        }
        .step-index {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-teal));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 1.1rem;
            box-shadow: 0 10px 18px rgba(18, 43, 74, .2);
        }
        .method-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 .5rem;
        }
        .method-step p {
            font-size: .9rem;
            color: var(--text-muted);
            margin: 0;
        }
        .method-note {
            margin-top: 2rem;
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            background: rgba(19, 181, 177, .08);
            color: #0b8e8b;
            border-radius: 999px;
            padding: .7rem 1.2rem;
            font-weight: 600;
            font-size: .9rem;
        }

        /* 用户反馈 */
        .testimonial-card {
            height: 100%;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            box-shadow: var(--shadow-light);
            position: relative;
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-mid);
        }
        .testimonial-stars {
            color: var(--brand-accent);
            font-size: .9rem;
            letter-spacing: 2px;
            margin-bottom: 1rem;
        }
        .testimonial-card p {
            font-size: 1rem;
            color: #434e5c;
            line-height: 1.8;
        }
        .testimonial-person {
            display: flex;
            align-items: center;
            margin-top: 1.5rem;
        }
        .avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1c3c5e, #13b5b1);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            margin-right: .8rem;
            flex: 0 0 auto;
        }
        .testimonial-person strong {
            display: block;
            font-size: .95rem;
            color: var(--text-main);
        }
        .testimonial-person span {
            font-size: .85rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .accordion-item {
            background: #fff;
            border: 1px solid var(--border-light) !important;
            border-radius: var(--radius-lg) !important;
            margin-bottom: 1rem;
            overflow: hidden;
            box-shadow: var(--shadow-light);
        }
        .accordion-button {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--text-main);
            padding: 1.2rem 1.5rem;
            background: #fff;
            transition: background .2s ease, color .2s ease;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(19, 181, 177, .05);
            color: var(--brand-primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(19, 181, 177, .15);
        }
        .accordion-body {
            color: var(--text-muted);
            line-height: 1.85;
            padding: 0 1.5rem 1.25rem;
            font-size: .95rem;
        }

        /* CTA */
        .cta-section {
            position: relative;
            isolation: isolate;
            padding: 5.5rem 0;
            color: #fff;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(8, 19, 38, .95), rgba(14, 44, 74, .82));
            z-index: -1;
        }
        .cta-inner {
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-tag {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .22);
            padding: .5rem 1.1rem;
            border-radius: 999px;
            font-size: .875rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }
        .cta-title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .82);
            max-width: 640px;
            margin: 0 auto 1.5rem;
        }
        .cta-actions .btn-primary-glow,
        .cta-actions .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            padding: .9rem 1.8rem;
            border-radius: 999px;
            font-weight: 700;
            text-decoration: none;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }
        .cta-actions .btn-primary-glow {
            background: var(--brand-accent);
            color: #142a44;
            box-shadow: 0 12px 26px rgba(245, 165, 36, .26);
        }
        .cta-actions .btn-primary-glow:hover {
            color: #142a44;
            transform: translateY(-2px);
            box-shadow: 0 16px 34px rgba(245, 165, 36, .36);
        }
        .cta-actions .btn-ghost-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .55);
            margin-left: .5rem;
        }
        .cta-actions .btn-ghost-light:hover {
            color: #fff;
            background: rgba(255, 255, 255, .12);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: #0b1526;
            color: rgba(255, 255, 255, .75);
            padding: 4rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: .9rem;
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
        }
        .footer-desc {
            max-width: 360px;
            font-size: .9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            margin: 0;
        }
        .footer-title {
            font-weight: 700;
            font-size: .95rem;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: .6rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            text-decoration: none;
            font-size: .9rem;
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: .5rem;
            padding: 1.5rem 0;
            font-size: .875rem;
            color: rgba(255, 255, 255, .5);
        }

        @media (min-width: 992px) {
            .method-step:not(:last-child)::after {
                content: '';
                position: absolute;
                top: 50%;
                right: -1.1rem;
                width: 2.2rem;
                border-top: 2px dashed var(--brand-teal);
                z-index: 2;
            }
        }

        @media (max-width: 1199.98px) {
            .brand-link {
                font-size: 1.15rem;
            }
            .header-search {
                max-width: 320px;
            }
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 4rem 0;
            }
            .header-inner {
                flex-wrap: wrap;
                row-gap: .8rem;
            }
            .header-search {
                order: 3;
                flex-basis: 100%;
                max-width: none;
                margin-left: 0;
            }
            .main-nav {
                order: 4;
                flex-basis: 100%;
                margin-left: 0;
                display: none;
            }
            .main-nav.open {
                display: block;
            }
            .nav-menu {
                flex-direction: column;
                width: 100%;
                padding: .5rem 0;
                align-items: stretch;
            }
            .nav-item>a {
                width: 100%;
                justify-content: flex-start;
                padding: .7rem 1rem;
            }
            .nav-toggle {
                display: inline-flex;
                margin-left: auto;
            }
            .method-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 4.5rem 0 5rem;
            }
            .cta-actions .btn-ghost-light {
                margin-left: 0;
                margin-top: .5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 575.98px) {
            body {
                font-size: .95rem;
            }
            .brand-link {
                font-size: 1.05rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
            }
            .score-value {
                font-size: 2rem;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .method-grid {
                grid-template-columns: 1fr;
            }
            .hero-route {
                gap: .6rem;
            }
            .route-line {
                width: 18px;
            }
        }