/* roulang page: index */
:root {
    --c-primary: #F26419;
    --c-primary-dark: #C94F10;
    --c-primary-soft: #FDEADD;
    --c-secondary: #14332E;
    --c-secondary-deep: #0E2521;
    --c-bg: #F7F4EF;
    --c-surface: #FBF8F3;
    --c-white: #FFFFFF;
    --c-text: #2B2B2B;
    --c-text-muted: #5A5A5A;
    --c-text-light: #9E9E9E;
    --c-border: #E5DDD2;
    --c-border-light: #EDE9E1;
    --c-footer-text: #AFBFB8;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, .05);
    --shadow-hover: 0 8px 22px rgba(0, 0, 0, .1);
    --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --transition: all .25s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

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

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

a { color: var(--c-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--c-primary-dark); }

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-top: 0;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(32px, 4vw, 46px); }
h2 { font-size: clamp(26px, 2.6vw, 34px); }
h3 { font-size: 20px; }

p { margin-top: 0; }

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

.container {
    max-width: 1200px;
}

/* =========== Header & Nav =========== */
.site-header {
    background: var(--c-secondary);
    position: sticky;
    top: 0;
    z-index: 1050;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.site-header .navbar {
    padding-top: 12px;
    padding-bottom: 12px;
    min-height: 70px;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-right: 20px;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 12px;
    font-weight: 800;
    font-size: 17px;
    letter-spacing: -0.02em;
    box-shadow: 0 4px 12px rgba(242, 100, 25, .35);
    flex: 0 0 auto;
}

.brand-text {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.brand-sub {
    display: block;
    color: #8FABA2;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .04em;
    line-height: 1.2;
    margin-top: 2px;
}

.navbar-nav {
    align-items: center;
    gap: 2px;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, .88);
    font-size: 15px;
    font-weight: 500;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: #fff;
    background: rgba(255, 255, 255, .08);
}

.navbar-nav .nav-link.active {
    color: #fff;
    background: rgba(242, 100, 25, .18);
    box-shadow: inset 0 -2px 0 var(--c-primary);
}

.nav-cta {
    margin-left: auto;
}

.nav-cta .btn-nav {
    height: 44px;
    padding: 0 26px;
    font-size: 15px;
    font-weight: 600;
    background: var(--c-primary);
    color: #fff;
    border: 0;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 14px rgba(242, 100, 25, .32);
    transition: var(--transition);
}

.nav-cta .btn-nav:hover {
    background: #FF7A35;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(242, 100, 25, .4);
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, .35);
    color: #fff;
    border-radius: 8px;
    padding: 6px 10px;
}

.navbar-toggler:hover {
    border-color: var(--c-primary);
}

.navbar-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        padding: 18px 0 12px;
        border-top: 1px solid rgba(255, 255, 255, .08);
        margin-top: 10px;
    }

    .navbar-nav {
        align-items: flex-start;
    }

    .navbar-nav .nav-link {
        width: 100%;
        padding: 12px 10px;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 14px;
    }

    .nav-cta .btn-nav {
        width: 100%;
    }
}

/* =========== Hero =========== */
.hero {
    position: relative;
    min-height: 650px;
    display: flex;
    align-items: center;
    color: #fff;
    background: linear-gradient(98deg, rgba(20, 51, 46, .94) 0%, rgba(20, 51, 46, .78) 52%, rgba(20, 51, 46, .62) 100%), url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
    padding: 96px 0 84px;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    right: -90px;
    bottom: -120px;
    background: rgba(242, 100, 25, .28);
    border-radius: 50%;
    filter: blur(20px);
    pointer-events: none;
}

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

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .22);
    color: #F5DCD1;
    font-size: 14px;
    font-weight: 500;
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 24px;
}

.hero h1 {
    color: #fff;
    font-size: clamp(34px, 4.5vw, 50px);
    line-height: 1.16;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 22px;
}

.hero h1 .accent {
    color: #FF8A47;
}

.hero-lead {
    max-width: 640px;
    color: rgba(255, 255, 255, .92);
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 34px;
}

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

.hero-actions .btn {
    min-height: 52px;
    padding: 0 34px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-hero-primary {
    background: var(--c-primary);
    border: 1px solid var(--c-primary);
    color: #fff;
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(242, 100, 25, .4);
}

.btn-hero-primary:hover {
    background: #FF7A35;
    border-color: #FF7A35;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(242, 100, 25, .42);
}

.btn-hero-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .65);
    color: #fff;
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, .1);
    border-color: #fff;
    color: #fff;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 38px;
}

.hero-badges li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, .82);
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .15);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
}

.hero-badges i {
    color: #FF8A47;
}

@media (max-width: 767.98px) {
    .hero {
        min-height: auto;
        padding: 60px 0 54px;
    }

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

    .hero-badges {
        gap: 8px;
    }

    .hero-badges li {
        padding: 5px 12px;
        font-size: 13px;
    }
}

/* =========== Section base =========== */
.section {
    padding: 92px 0;
}

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

.section-surface {
    background: var(--c-surface);
}

.section-white {
    background: #fff;
}

.section-head {
    max-width: 760px;
    margin: 0 auto 54px;
    text-align: center;
}

.section-head-left {
    text-align: left;
    margin-bottom: 36px;
}

.eyebrow {
    display: inline-block;
    color: var(--c-primary);
    font-size: 14px;
    font-weight: 600;
    background: var(--c-primary-soft);
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 14px;
    letter-spacing: .03em;
}

.section-head h2,
.section-head-left h2 {
    font-weight: 800;
    margin-bottom: 14px;
}

.section-head .section-desc,
.section-head-left .section-desc {
    color: var(--c-text-muted);
    font-size: 16px;
}

.head-rule {
    display: inline-block;
    width: 60px;
    height: 3px;
    background: var(--c-primary);
    border-radius: 3px;
    margin-bottom: 10px;
}

/* =========== Category cards =========== */
.category-card {
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
}

.category-card:hover {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.category-cover {
    height: 170px;
    background: #ECE7DF;
    overflow: hidden;
}

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

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

.category-body {
    padding: 25px 24px 28px;
    position: relative;
}

.category-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--c-primary-soft);
    color: var(--c-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 18px;
}

.category-body h3 {
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 10px;
}

.category-body p {
    color: var(--c-text-muted);
    font-size: 15px;
    line-height: 1.85;
    margin-bottom: 20px;
}

.category-link {
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--c-primary);
}

.category-link i {
    transition: var(--transition);
}

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

/* =========== Feature small cards =========== */
.feature-card {
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 30px 26px;
    height: 100%;
    transition: var(--transition);
    position: relative;
}

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

.feature-card .feat-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    color: var(--c-primary);
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--c-text-muted);
    font-size: 15px;
    line-height: 1.85;
    margin-bottom: 0;
}

/* =========== Steps + Media split =========== */
.media-frame {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
}

.media-frame img {
    width: 100%;
    height: 330px;
    object-fit: cover;
}

.media-caption {
    padding: 16px 20px;
    font-size: 14px;
    color: var(--c-text-muted);
    background: var(--c-surface);
    display: flex;
    align-items: center;
    gap: 10px;
}

.media-caption i {
    color: var(--c-primary);
}

.process-list {
    counter-reset: step;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.process-list li {
    display: flex;
    gap: 18px;
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 18px 20px;
    transition: var(--transition);
}

.process-list li:hover {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-sm);
}

.step-num {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--c-primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "SF Mono", ui-monospace, monospace;
}

.process-list h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
}

.process-list p {
    color: var(--c-text-muted);
    font-size: 14px;
    margin-bottom: 0;
}

/* =========== Stats band =========== */
.stat-band {
    background: linear-gradient(120deg, var(--c-secondary) 0%, var(--c-secondary-deep) 100%);
    color: #fff;
    padding: 62px 0;
    position: relative;
    overflow: hidden;
}

.stat-band::before {
    content: "";
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 420px;
    height: 180px;
    background: rgba(242, 100, 25, .18);
    border-radius: 50%;
    filter: blur(48px);
    pointer-events: none;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 38px;
    font-weight: 800;
    color: #FF8745;
    line-height: 1.2;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, .85);
    margin-top: 6px;
}

/* =========== CTA strip =========== */
.cta-strip {
    background: var(--c-primary);
    padding: 0;
}

.cta-panel {
    padding: 46px 0;
}

.cta-title {
    color: #fff;
    font-size: 27px;
    font-weight: 800;
    margin-bottom: 6px;
}

.cta-desc {
    color: rgba(255, 255, 255, .9);
    font-size: 15px;
    margin-bottom: 0;
}

.btn-cta-light {
    background: #fff;
    color: var(--c-primary-dark);
    border: 0;
    padding: 12px 32px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 16px;
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-cta-light:hover {
    background: var(--c-secondary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

@media (max-width: 767.98px) {
    .cta-panel .btn-cta-light {
        width: 100%;
        margin-top: 16px;
    }
}

/* =========== News / list =========== */
.section-head-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 44px;
}

.section-head-row h2 {
    margin-bottom: 4px;
}

.more-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-primary);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
}

.more-link:hover {
    color: var(--c-primary-dark);
}

.more-link i {
    font-size: 13px;
}

.post-card {
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    height: 100%;
    padding: 24px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.post-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 15px;
}

.post-tag {
    display: inline-block;
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 50px;
}

.post-date {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--c-text-light);
    font-size: 13px;
}

.post-card h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 12px;
}

.post-card h3 a {
    color: var(--c-text);
}

.post-card h3 a:hover {
    color: var(--c-primary);
}

.post-excerpt {
    color: var(--c-text-muted);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-link {
    margin-top: auto;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.post-link:hover {
    color: var(--c-primary-dark);
}

.empty-state {
    border: 2px dashed var(--c-border);
    border-radius: var(--radius);
    background: var(--c-surface);
    padding: 48px 20px;
    text-align: center;
    color: var(--c-text-muted);
}

.empty-icon {
    display: block;
    font-size: 40px;
    color: var(--c-primary);
    opacity: .65;
    margin-bottom: 12px;
}

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

.accordion {
    --bs-accordion-bg: #fff;
    --bs-accordion-border-color: var(--c-border);
    --bs-accordion-btn-bg: #fff;
    --bs-accordion-active-bg: #fff;
    --bs-accordion-active-color: var(--c-text);
}

.accordion-item {
    border: 1px solid var(--c-border);
    border-radius: var(--radius) !important;
    overflow: hidden;
    margin-bottom: 14px;
}

.accordion-button {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-text);
    padding: 18px 22px;
    border: 0;
    box-shadow: none;
    background: #fff;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(242, 100, 25, .12);
}

.accordion-button:not(.collapsed) {
    background: #fff;
    color: var(--c-primary-dark);
    box-shadow: none;
}

.accordion-button::after {
    background: none;
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    content: "\f078";
    color: var(--c-primary);
    width: 18px;
    height: 18px;
    font-size: 15px;
    transition: var(--transition);
}

.accordion-button:not(.collapsed)::after {
    content: "\f077";
    color: var(--c-primary);
    background: none;
}

.accordion-body {
    color: var(--c-text-muted);
    font-size: 15px;
    line-height: 1.9;
    padding: 4px 24px 24px;
}

/* =========== Footer =========== */
.site-footer {
    background: var(--c-secondary);
    color: var(--c-footer-text);
    padding-top: 64px;
}

.footer-brand {
    margin-bottom: 24px;
}

.footer-brand .brand-text {
    font-size: 20px;
    margin-left: 12px;
}

.footer-about {
    font-size: 14px;
    line-height: 1.9;
    color: #92AAA2;
    margin-top: 16px;
}

.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-links a {
    color: #A3B8B1;
    font-size: 14px;
    padding: 4px 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: #fff;
}

.footer-links a i {
    font-size: 12px;
    color: var(--c-primary);
}

.footer-tip {
    font-size: 14px;
    line-height: 1.9;
    color: #92AAA2;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
}

.footer-tip i {
    color: #FF8A47;
    margin-right: 6px;
}

.footer-bottom {
    margin-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 22px 0;
    font-size: 13px;
    color: #7F958C;
}

.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}

.footer-bottom span a {
    color: #A3B8B1;
}

.footer-bottom span a:hover {
    color: #fff;
}

@media (max-width: 767.98px) {
    .section {
        padding: 58px 0;
    }

    .section-head {
        margin-bottom: 36px;
    }

    .media-frame img {
        height: 240px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: 4px;
    }
}

@media (max-width: 575.98px) {
    body {
        font-size: 15px;
    }

    .post-card {
        padding: 18px;
    }

    .brand-sub {
        font-size: 11px;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        font-size: 15px;
        border-radius: 10px;
    }

    .hero-kicker {
        font-size: 13px;
    }

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

/* roulang page: category1 */
:root {
  --ayx-primary: #E8541E;
  --ayx-primary-dark: #C64518;
  --ayx-primary-soft: #FCE6DB;
  --ayx-secondary: #1F3D36;
  --ayx-secondary-deep: #14332E;
  --ayx-bg: #F7F4EF;
  --ayx-bg-warm: #FDFAF5;
  --ayx-card: #FFFFFF;
  --ayx-text: #2B2B2B;
  --ayx-muted: #5A5A5A;
  --ayx-placeholder: #9E9E9E;
  --ayx-border: #E5DDD2;
  --ayx-radius: 12px;
  --ayx-radius-sm: 8px;
  --ayx-shadow: 0 2px 6px rgba(0, 0, 0, .06);
  --ayx-shadow-hover: 0 6px 16px rgba(0, 0, 0, .10);
  --ayx-transition: .25s ease;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ayx-text);
  background: var(--ayx-bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--ayx-primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--ayx-primary-dark);
}
img {
  max-width: 100%;
  height: auto;
}
button,
input,
select {
  font-family: inherit;
}
.container {
  max-width: 1200px;
}
section {
  padding: 80px 0;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #ffffff;
  border-bottom: 1px solid var(--ayx-border);
  box-shadow: 0 1px 8px rgba(31, 61, 54, .05);
}
.navbar {
  padding: 14px 0;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: 32px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  padding: 0 12px;
  background: var(--ayx-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  border-radius: 10px;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(232, 84, 30, .22);
}
.brand-text {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--ayx-secondary);
  line-height: 1.25;
}
.brand-sub {
  display: block;
  font-size: 12px;
  color: var(--ayx-muted);
  line-height: 1.3;
}
.navbar-nav {
  gap: 4px;
}
.navbar-nav .nav-link {
  padding: 8px 12px !important;
  font-weight: 600;
  color: #3d3d3d;
  border-radius: 6px;
  position: relative;
  transition: color .2s, background .2s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus-visible {
  color: var(--ayx-primary);
  background: rgba(232, 84, 30, .06);
}
.navbar-nav .nav-link.active {
  color: var(--ayx-primary);
  font-weight: 700;
}
.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 99px;
  background: var(--ayx-primary);
}
.nav-cta {
  margin-left: auto;
  text-align: right;
}
.btn {
  border-radius: var(--ayx-radius-sm);
  font-weight: 600;
  transition: background .2s, border-color .2s, box-shadow .2s, transform .2s;
}
.btn:focus-visible {
  outline: 3px solid rgba(232, 84, 30, .35);
  outline-offset: 2px;
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 22px;
  background: var(--ayx-primary);
  border: 1px solid var(--ayx-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(232, 84, 30, .18);
}
.btn-nav:hover {
  background: var(--ayx-primary-dark);
  border-color: var(--ayx-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(232, 84, 30, .24);
}
#mainNav {
  align-items: center;
}

/* Category Hero */
.hero-cat {
  position: relative;
  padding: 130px 0;
  color: #fff;
  background: linear-gradient(100deg, rgba(20, 51, 46, .94) 0%, rgba(31, 61, 54, .82) 45%, rgba(20, 51, 46, .58) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow: hidden;
}
.hero-cat:before {
  content: "";
  position: absolute;
  right: -100px;
  top: -120px;
  width: 360px;
  height: 360px;
  border-radius: 999px;
  background: rgba(232, 84, 30, .28);
  filter: blur(10px);
}
.hero-cat:after {
  content: "";
  position: absolute;
  left: 58%;
  bottom: -150px;
  width: 280px;
  height: 280px;
  border-radius: 42px;
  border: 30px solid rgba(255, 255, 255, .08);
  transform: rotate(24deg);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  backdrop-filter: none;
}
.hero-cat h1 {
  font-size: 46px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.hero-cat p {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .88);
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-hero-primary,
.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 50px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
}
.btn-hero-primary {
  background: var(--ayx-primary);
  border: 1px solid var(--ayx-primary);
  color: #fff;
}
.btn-hero-primary:hover {
  background: #d64c17;
  border-color: #d64c17;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .18);
}
.btn-hero-outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .85);
  color: #fff;
}
.btn-hero-outline:hover {
  background: rgba(255, 255, 255, .12);
  border-color: #fff;
  color: #fff;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, .85);
}

/* Breadcrumb */
.breadcrumb-wrap {
  background: #fff;
  border-bottom: 1px solid var(--ayx-border);
  padding: 13px 0;
  font-size: 14px;
  color: var(--ayx-muted);
}
.breadcrumb-wrap a {
  color: var(--ayx-muted);
  margin-right: 8px;
}
.breadcrumb-wrap a:hover {
  color: var(--ayx-primary);
}
.breadcrumb-wrap i {
  color: var(--ayx-placeholder);
  font-size: 11px;
  margin-right: 8px;
}
.breadcrumb-wrap .current {
  color: var(--ayx-text);
  font-weight: 600;
}

/* Section Headings */
.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ayx-primary);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 12px;
}
.section-kicker:before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 99px;
  background: var(--ayx-primary);
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--ayx-secondary);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.section-head p {
  color: var(--ayx-muted);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 0;
}

/* Guide Cards */
.guide-section {
  background: var(--ayx-bg);
}
.guide-card {
  background: var(--ayx-card);
  border: 1px solid var(--ayx-border);
  border-radius: var(--ayx-radius);
  padding: 30px;
  height: 100%;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.guide-card:hover {
  transform: translateY(-5px);
  border-color: var(--ayx-primary);
  box-shadow: var(--ayx-shadow-hover);
}
.guide-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--ayx-primary-soft);
  color: var(--ayx-primary);
  font-size: 22px;
  margin-bottom: 20px;
}
.guide-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ayx-secondary);
  margin-bottom: 14px;
}
.guide-card p {
  color: var(--ayx-muted);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 18px;
}
.guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--ayx-muted);
  font-size: 14px;
  line-height: 1.7;
  padding: 5px 0;
}
.guide-list li i {
  color: var(--ayx-primary);
  margin-top: 5px;
  font-size: 12px;
}

/* Media Split */
.media-section {
  background: #fff;
  border-top: 1px solid var(--ayx-border);
  border-bottom: 1px solid var(--ayx-border);
}
.media-wrap {
  position: relative;
}
.media-wrap .media-main {
  border-radius: 18px;
  box-shadow: var(--ayx-shadow-hover);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4 / 3;
}
.media-badge {
  position: absolute;
  left: 20px;
  top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ayx-secondary);
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}
.media-content .section-head {
  margin-bottom: 24px;
}
.media-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.media-list li {
  position: relative;
  padding: 14px 0 14px 40px;
  border-bottom: 1px dashed var(--ayx-border);
  font-size: 15px;
  color: var(--ayx-text);
  line-height: 1.8;
}
.media-list li:last-child {
  border-bottom: 0;
}
.media-list li .list-num {
  position: absolute;
  left: 0;
  top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--ayx-primary-soft);
  color: var(--ayx-primary);
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
}
.media-list strong {
  color: var(--ayx-secondary);
}

/* Steps */
.steps-section {
  background: var(--ayx-bg);
}
.step-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--ayx-border);
  border-radius: var(--ayx-radius);
  padding: 30px;
  height: 100%;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.step-item:hover {
  border-color: var(--ayx-primary);
  box-shadow: var(--ayx-shadow);
  transform: translateY(-4px);
}
.step-no {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 30px;
  font-weight: 800;
  color: var(--ayx-primary);
  margin-bottom: 18px;
  line-height: 1;
}
.step-no small {
  font-size: 15px;
  color: var(--ayx-muted);
  font-weight: 600;
  margin-left: 4px;
}
.step-item h3 {
  color: var(--ayx-secondary);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 12px;
}
.step-item p {
  color: var(--ayx-muted);
  line-height: 1.8;
  font-size: 15px;
  margin: 0;
}

/* FAQ */
.faq-section {
  background: #fff;
}
.faq-intro {
  background: var(--ayx-bg-warm);
  border: 1px solid var(--ayx-border);
  border-left: 4px solid var(--ayx-primary);
  border-radius: var(--ayx-radius);
  padding: 28px;
  margin-top: 8px;
}
.faq-intro h3 {
  font-size: 22px;
  color: var(--ayx-secondary);
  font-weight: 700;
  margin-bottom: 12px;
}
.faq-intro p {
  color: var(--ayx-muted);
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
}
.faq-columns {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.qa-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--ayx-border);
  border-radius: 12px !important;
  margin-bottom: 0;
  overflow: hidden;
}
.qa-accordion .accordion-button {
  background: #fff;
  color: var(--ayx-text);
  font-weight: 600;
  font-size: 15px;
  padding: 18px 20px;
  margin: 0;
  box-shadow: none;
  border: 0;
  gap: 12px;
}
.qa-accordion .accordion-button:not(.collapsed) {
  color: var(--ayx-primary);
  background: #FFF8F4;
}
.qa-accordion .accordion-button:focus {
  box-shadow: none;
  border: 0;
  outline: 2px solid rgba(232, 84, 30, .18);
  outline-offset: -2px;
}
.qa-accordion .accordion-button:after {
  flex-shrink: 0;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f107";
  background: none;
  width: auto;
  height: auto;
  color: var(--ayx-primary);
  font-size: 16px;
  transition: transform .2s;
}
.qa-accordion .accordion-button:not(.collapsed):after {
  transform: rotate(180deg);
  color: var(--ayx-primary);
}
.qa-accordion .accordion-body {
  background: #fff;
  color: var(--ayx-muted);
  font-size: 14px;
  line-height: 1.85;
  padding: 0 20px 20px;
}

/* CTA Strip */
.cta-section {
  padding: 0;
}
.cta-strip {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(110deg, rgba(31, 61, 54, .96), rgba(20, 51, 46, .92)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
}
.cta-strip h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 16px;
}
.cta-strip p {
  color: rgba(255, 255, 255, .85);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-cta-primary,
.btn-cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 50px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
}
.btn-cta-primary {
  background: var(--ayx-primary);
  border: 1px solid var(--ayx-primary);
  color: #fff;
}
.btn-cta-primary:hover {
  background: #d64c17;
  border-color: #d64c17;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, .2);
}
.btn-cta-ghost {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .65);
  color: #fff;
}
.btn-cta-ghost:hover {
  background: rgba(255, 255, 255, .1);
  border-color: #fff;
  color: #fff;
}

/* Footer */
.site-footer {
  background: var(--ayx-secondary-deep);
  color: rgba(255, 255, 255, .8);
  padding: 70px 0 0;
  margin-top: 0;
}
.site-footer .navbar-brand .brand-text {
  color: #fff;
}
.site-footer .navbar-brand .brand-sub {
  color: rgba(255, 255, 255, .55);
}
.site-footer .brand-mark {
  background: var(--ayx-primary);
}
.footer-about {
  color: rgba(255, 255, 255, .62);
  line-height: 1.85;
  font-size: 15px;
  margin: 22px 0 0;
  max-width: 320px;
}
.footer-title {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, .68);
  font-size: 14px;
  transition: color .2s, padding-left .2s;
}
.footer-links a i {
  font-size: 12px;
  margin-right: 6px;
  color: var(--ayx-primary);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-tip {
  display: flex;
  gap: 12px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  color: rgba(255, 255, 255, .65);
  font-size: 13px;
  line-height: 1.85;
  padding: 18px;
}
.footer-tip i {
  color: var(--ayx-primary);
  margin-top: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 24px 0;
  margin-top: 56px;
  background: rgba(0, 0, 0, .1);
}
.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  color: rgba(255, 255, 255, .45);
  font-size: 13px;
}

@media (max-width: 991px) {
  .navbar-collapse {
    background: #fff;
    border: 1px solid var(--ayx-border);
    border-radius: var(--ayx-radius);
    padding: 16px;
    margin-top: 10px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, .05);
  }
  .navbar-nav {
    gap: 2px;
  }
  .navbar-nav .nav-link.active::after {
    display: none;
  }
  .nav-cta {
    margin-left: 0;
    margin-top: 12px;
    text-align: left;
  }
  .nav-cta .btn-nav {
    width: 100%;
  }
  .hero-cat {
    padding: 70px 0;
  }
  .hero-cat h1 {
    font-size: 34px;
  }
  section {
    padding: 58px 0;
  }
  .section-head {
    margin-bottom: 32px;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .media-content {
    margin-top: 28px;
  }
}
@media (max-width: 768px) {
  .hero-cat {
    padding: 60px 0;
  }
  .hero-cat p {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn-hero-primary,
  .btn-hero-outline {
    width: 100%;
    justify-content: center;
  }
  section {
    padding: 48px 0;
  }
  .section-head h2,
  .cta-strip h2 {
    font-size: 24px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .step-item {
    margin-bottom: 16px;
  }
  .guide-card {
    margin-bottom: 16px;
  }
  .faq-intro {
    margin-bottom: 24px;
  }
  .cta-strip {
    padding: 56px 0;
  }
  .cta-actions {
    flex-direction: column;
  }
  .btn-cta-primary,
  .btn-cta-ghost {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: article */
:root {
            --primary: #E8541E;
            --primary-dark: #C93F11;
            --primary-light: #FCE4DA;
            --secondary: #14332E;
            --secondary-deep: #0F2823;
            --secondary-light: #1D4640;
            --surface: #F7F4EF;
            --card: #FFFFFF;
            --text: #2B2B2B;
            --text-muted: #5A5A5A;
            --text-soft: #9E9E9E;
            --border: #E5DDD2;
            --border-light: #ECE9E2;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-btn: 9px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);
            --shadow-md: 0 12px 32px rgba(25, 30, 20, .08);
            --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        .container {
            max-width: 1200px;
        }

        .section-single {
            padding: 84px 0;
        }

        #guide,
        #news,
        #faq {
            scroll-margin-top: 90px;
        }

        /* ===== header / nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--secondary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, .08);
        }

        .site-header .navbar {
            min-height: 76px;
            padding: 8px 0;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            flex: 0 0 40px;
            border-radius: 11px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            letter-spacing: .02em;
            box-shadow: 0 4px 10px rgba(232, 84, 30, .22);
        }

        .brand-text {
            display: block;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.25;
        }

        .brand-sub {
            display: block;
            color: rgba(255, 255, 255, .62);
            font-size: .72rem;
            margin-top: 1px;
            letter-spacing: .12em;
        }

        .site-header .navbar-nav {
            align-items: center;
            gap: 2px;
            margin-left: 24px;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, .82);
            font-size: .94rem;
            font-weight: 500;
            padding: 10px 14px !important;
            border-radius: 8px;
            transition: all .2s ease;
            position: relative;
        }

        .site-header .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        .site-header .nav-link.active {
            color: #fff;
            font-weight: 600;
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
        }

        .site-header .nav-cta {
            margin-left: auto;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 22px !important;
            background: var(--primary);
            color: #fff !important;
            font-weight: 600;
            font-size: .95rem;
            border-radius: var(--radius-btn);
            transition: all .22s ease;
            border: 1px solid var(--primary);
        }

        .btn-nav:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 84, 30, .25);
        }

        .site-header .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: 9px;
            padding: 5px 10px;
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
        }

        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: var(--secondary-deep);
                margin: 10px -12px 0;
                padding: 10px 14px 18px;
                border-radius: 14px;
            }

            .site-header .navbar-nav {
                margin-left: 0;
                align-items: stretch;
            }

            .site-header .nav-link.active::after {
                left: 20px;
                right: auto;
                bottom: 10px;
                width: 28px;
            }

            .site-header .nav-cta {
                margin-left: 0;
                margin-top: 12px;
            }

            .btn-nav {
                width: 100%;
            }
        }

        /* ===== article hero banner ===== */
        .article-page-hero {
            position: relative;
            padding: 72px 0 66px;
            color: #fff;
            background-size: cover;
            background-position: center;
            background-color: var(--secondary-deep);
            isolation: isolate;
        }

        .article-page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 40, 35, .95) 0%, rgba(21, 55, 47, .88) 50%, rgba(15, 30, 26, .55) 100%);
            z-index: 0;
            border-radius: inherit;
        }

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

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: .83rem;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 26px;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color .2s;
        }

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

        .article-breadcrumb .sep {
            opacity: .45;
            font-size: .75rem;
        }

        .article-breadcrumb .cur {
            color: #FFD1BC;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-hero-content h1 {
            font-size: clamp(1.65rem, 3.1vw, 2.45rem);
            font-weight: 800;
            line-height: 1.35;
            color: #fff;
            margin: 0 0 24px;
            max-width: 820px;
            letter-spacing: -0.01em;
            text-shadow: 0 2px 14px rgba(0, 0, 0, .22);
        }

        .article-hero-meta {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 26px;
            margin: 0;
            padding: 0;
            font-size: .9rem;
            color: rgba(255, 255, 255, .85);
        }

        .article-hero-meta i {
            margin-right: 8px;
            color: #FFB58F;
        }

        .article-hero-line {
            width: 54px;
            height: 3px;
            background: var(--primary);
            border-radius: 99px;
            margin-top: 30px;
        }

        .article-hero-client {
            display: flex;
            align-items: center;
            margin-top: 34px;
            gap: 12px;
            padding: 10px 18px;
            background: rgba(0, 0, 0, .12);
            border: 1px solid rgba(255, 255, 255, .16);
            justify-content: flex-start;
            border-radius: 40px;
            width: fit-content;
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: .83rem;
        }

        .article-hero-client i {
            color: #FFC4A7;
        }

        @media (max-width: 767.98px) {
            .article-page-hero {
                padding: 42px 0 38px;
            }

            .article-breadcrumb {
                margin-bottom: 18px;
            }

            .article-hero-meta {
                gap: 8px 14px;
            }

            .article-hero-client {
                margin-top: 22px;
            }
        }

        /* ===== article body ===== */
        .article-body-section {
            padding: 62px 0 28px;
        }

        .article-sheet {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 52px 46px;
            box-shadow: var(--shadow-sm);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.95;
            color: var(--text);
        }

        .article-content>*:first-child {
            margin-top: 0;
        }

        .article-content p {
            margin: 0 0 26px;
            text-align: justify;
        }

        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            margin: 54px 0 22px;
            padding-left: 12px;
            border-left: 4px solid var(--primary);
            line-height: 1.45;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 38px 0 16px;
            line-height: 1.5;
        }

        .article-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 30px 0 12px;
            color: var(--secondary);
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(232, 84, 30, .3);
            transition: all .2s;
        }

        .article-content a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary-dark);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 28px;
            padding-left: 1.3rem;
        }

        .article-content li {
            margin-bottom: 10px;
            line-height: 1.85;
        }

        .article-content blockquote {
            margin: 30px 0;
            padding: 24px 28px;
            background: var(--surface);
            border-radius: 14px;
            border-left: 4px solid var(--primary);
            color: var(--text-muted);
            font-size: .98rem;
        }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content img {
            display: block;
            border-radius: 14px;
            margin: 34px auto;
            max-width: 100%;
            height: auto;
            box-shadow: var(--shadow-sm);
        }

        .article-content figure {
            margin: 32px 0;
        }

        .article-content figure img {
            margin: 0;
        }

        .article-content figcaption {
            text-align: center;
            font-size: .82rem;
            color: var(--text-soft);
            margin-top: 10px;
        }

        .article-content pre {
            background: #202D2A;
            color: #F1E9DF;
            padding: 20px 22px;
            border-radius: 14px;
            overflow-x: auto;
            font-size: .9rem;
            line-height: 1.7;
            margin: 28px 0;
        }

        .article-content code {
            background: #F3EEE7;
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 6px;
            font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
            font-size: .9em;
        }

        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-content hr {
            border: 0;
            border-top: 1px dashed var(--border);
            margin: 44px 0;
        }

        .article-content table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: .94rem;
        }

        .article-content th {
            background: var(--surface);
            font-weight: 600;
            color: var(--secondary);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            padding-top: 28px;
            margin-top: 40px;
            border-top: 1px dashed var(--border);
        }

        .tags-caption {
            font-size: .85rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 2px;
        }

        .article-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 5px 14px;
            border-radius: 99px;
            font-size: .8rem;
            font-weight: 500;
            border: 1px solid rgba(232, 84, 30, .1);
        }

        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin-top: 42px;
            padding-top: 34px;
            border-top: 1px solid var(--border-light);
        }

        .pager-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            min-height: 76px;
            transition: all .2s ease;
        }

        .pager-item:hover {
            border-color: var(--primary);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .pager-item.next {
            text-align: right;
        }

        .pager-label {
            display: block;
            font-size: .78rem;
            color: var(--text-soft);
            margin-bottom: 6px;
            letter-spacing: .04em;
        }

        .pager-title {
            display: block;
            font-weight: 600;
            color: var(--text);
            font-size: .96rem;
            line-height: 1.4;
        }

        .pager-item:hover .pager-title {
            color: var(--primary);
        }

        @media (max-width: 767.98px) {
            .article-body-section {
                padding: 36px 0 12px;
            }

            .article-sheet {
                padding: 26px 18px;
                border-radius: 14px;
            }

            .article-content {
                font-size: 15.5px;
                line-height: 1.85;
            }

            .article-pager {
                grid-template-columns: 1fr;
            }

            .pager-item.next {
                text-align: left;
            }
        }

        /* ===== related / extension area ===== */
        .article-related {
            padding: 68px 0 76px;
        }

        .section-title-wrap {
            margin-bottom: 34px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
        }

        .section-title-wrap .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 0;
        }

        .section-title-wrap .section-sub {
            margin-top: 8px;
            color: var(--text-muted);
            font-size: .96rem;
            max-width: 560px;
        }

        .more-line {
            color: var(--primary);
            font-weight: 600;
            font-size: .9rem;
            white-space: nowrap;
            border-bottom: 2px solid rgba(232, 84, 30, .22);
            padding-bottom: 3px;
        }

        .more-line:hover {
            border-color: var(--primary);
        }

        .entry-more-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
        }

        .entry-more-card:hover {
            transform: translateY(-4px);
            border-color: rgba(232, 84, 30, .35);
            box-shadow: var(--shadow-md);
        }

        .entry-more-media {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--surface);
        }

        .entry-more-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .entry-more-card:hover .entry-more-media img {
            transform: scale(1.04);
        }

        .entry-more-body {
            padding: 22px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .entry-more-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 10px;
            line-height: 1.45;
        }

        .entry-more-body h3 a {
            color: var(--text);
        }

        .entry-more-body h3 a:hover {
            color: var(--primary);
        }

        .entry-more-body p {
            font-size: .9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.7;
        }

        .entry-more-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 6px;
        }

        .entry-cat {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: .76rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 99px;
        }

        .entry-more-link {
            font-size: .88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .entry-more-link i {
            transition: transform .2s;
            font-size: .72rem;
        }

        .entry-more-card:hover .entry-more-link i {
            transform: translateX(3px);
        }

        @media (max-width: 767.98px) {
            .article-related {
                padding: 44px 0 52px;
            }

            .section-title-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .entry-more-body {
                padding: 18px 16px 20px;
            }
        }

        /* ===== cta strip ===== */
        .article-cta {
            background: var(--secondary);
            background-image: radial-gradient(circle at 20% 20%, rgba(232, 84, 30, .14) 0, transparent 38%);
            padding: 62px 0;
            color: #fff;
        }

        .cta-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .cta-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin: 0 0 10px;
            color: #fff;
        }

        .cta-content p {
            font-size: .98rem;
            color: rgba(255, 255, 255, .78);
            margin: 0;
            max-width: 620px;
        }

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

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 0 26px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1px solid var(--primary);
            transition: all .22s;
        }

        .btn-cta-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 84, 30, .26);
        }

        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 0 26px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, .55);
            transition: all .22s;
        }

        .btn-cta-ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        @media (max-width: 767.98px) {
            .article-cta {
                padding: 42px 0;
            }

            .cta-buttons {
                width: 100%;
            }

            .btn-cta-primary,
            .btn-cta-ghost {
                flex: 1;
            }
        }

        /* ===== not found ===== */
        .notfound-section {
            padding: 110px 0;
            min-height: 66vh;
            display: flex;
            align-items: center;
            background: var(--surface);
        }

        .notfound-card {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 52px 30px;
            box-shadow: var(--shadow-sm);
        }

        .notfound-icon {
            width: 72px;
            height: 72px;
            border-radius: 22px;
            background: var(--surface);
            color: var(--primary);
            font-size: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
        }

        .notfound-card h1 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 14px;
        }

        .notfound-card p {
            color: var(--text-muted);
            margin-bottom: 26px;
            font-size: 1rem;
        }

        .btn-home {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 30px;
            background: var(--primary);
            color: #fff !important;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 0;
            transition: all .2s;
        }

        .btn-home:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 84, 30, .2);
        }

        @media (max-width: 767.98px) {
            .notfound-section {
                padding: 60px 0;
            }

            .notfound-card {
                padding: 36px 20px;
            }
        }

        /* ===== footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, .78);
            padding: 64px 0 0;
        }

        .site-footer .footer-brand .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-text {
            color: #fff;
        }

        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, .58);
        }

        .footer-about {
            font-size: .92rem;
            line-height: 1.8;
            margin: 22px 0 0;
            color: rgba(255, 255, 255, .7);
            max-width: 360px;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .72);
            font-size: .9rem;
            transition: all .2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a i {
            font-size: .75rem;
            color: rgba(255, 255, 255, .35);
            transition: transform .2s, color .2s;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-links a:hover i {
            color: var(--primary);
            transform: translateX(3px);
        }

        .footer-tip {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .09);
            border-radius: 12px;
            padding: 18px;
            font-size: .86rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, .72);
        }

        .footer-tip i {
            color: #FFB58F;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            margin-top: 54px;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: .82rem;
            color: rgba(255, 255, 255, .5);
        }

        @media (max-width: 767.98px) {
            .site-footer {
                padding-top: 46px;
            }

            .footer-bottom {
                margin-top: 36px;
            }

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

/* roulang page: category2 */
:root {
        --primary: #F26419;
        --primary-dark: #D65310;
        --primary-soft: #FBE9DE;
        --deep-green: #1F3D36;
        --deep-green-2: #14332E;
        --surface: #FBF8F3;
        --card-bg: #FFFFFF;
        --cream: #F7F2EA;
        --line: #E5DDD2;
        --text: #2B2B2B;
        --muted: #5A5A5A;
        --light-muted: #8F8A84;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-pill: 999px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);
        --shadow-md: 0 12px 32px rgba(0, 0, 0, .1);
        --font-body: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background: var(--surface);
        -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
        max-width: 1200px;
    }

    :focus-visible {
        outline: 3px solid rgba(242, 100, 25, .35);
        outline-offset: 2px;
    }

    /* ========== 导航 ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1030;
        background: var(--deep-green-2);
        box-shadow: 0 4px 16px rgba(10, 30, 25, .25);
    }

    .navbar {
        --bs-navbar-padding-y: 12px;
        --bs-navbar-color: rgba(255, 255, 255, .88);
        --bs-navbar-hover-color: #fff;
        --bs-navbar-active-color: #fff;
        min-height: 72px;
        padding: 0;
    }

    .navbar-brand {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        margin-right: 32px;
        padding: 10px 0;
    }

    .brand-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 14px;
        color: #fff;
        background: linear-gradient(135deg, #FF8A3D, var(--primary));
        font-weight: 900;
        font-size: 18px;
        letter-spacing: .2px;
        text-transform: uppercase;
        box-shadow: 0 6px 14px rgba(242, 100, 25, .35);
    }

    .brand-text {
        display: block;
        color: #fff;
        font-size: 17px;
        font-weight: 700;
        line-height: 1.35;
    }

    .brand-sub {
        display: block;
        color: #A9BFB7;
        font-size: 12px;
        line-height: 1.35;
        letter-spacing: .2px;
    }

    .navbar-nav {
        gap: 4px;
    }

    .navbar .nav-link {
        position: relative;
        padding: 10px 16px !important;
        color: rgba(255, 255, 255, .85);
        font-weight: 500;
        border-radius: 8px;
        transition: all .2s ease;
    }

    .navbar .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, .08);
    }

    .navbar .nav-link.active {
        color: #fff;
        font-weight: 600;
    }

    .navbar .nav-link.active::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 4px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
    }

    .nav-cta {
        margin-left: 18px;
    }

    .btn-nav {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 44px;
        padding: 0 22px;
        background: var(--primary);
        color: #fff;
        font-weight: 700;
        border-radius: 10px;
        border: 1px solid var(--primary);
        transition: all .25s ease;
        letter-spacing: .2px;
    }

    .btn-nav:hover {
        background: #FF7C32;
        border-color: #FF7C32;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 18px rgba(242, 100, 25, .28);
    }

    .navbar-toggler {
        border-color: rgba(255, 255, 255, .45);
        border-radius: 8px;
        color: #fff;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    }

    @media (max-width: 991.98px) {
        .navbar-collapse {
            background: var(--deep-green-2);
            border-radius: 14px;
            padding: 14px 10px 18px;
            margin-top: 6px;
        }

        .navbar-nav {
            margin: 0 0 10px;
        }

        .navbar .nav-link.active::after {
            left: 22px;
            bottom: 6px;
        }

        .nav-cta {
            margin-left: 0;
            padding-top: 8px;
            border-top: 1px solid rgba(255, 255, 255, .1);
        }

        .btn-nav {
            width: 100%;
        }
    }

    /* ========== Hero ========== */
    .page-hero {
        position: relative;
        padding: 92px 0 110px;
        color: #fff;
        background: linear-gradient(78deg, rgba(12, 32, 28, .86) 0%, rgba(18, 48, 42, .72) 55%, rgba(36, 58, 52, .48) 100%),
            url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }

    .page-hero::after {
        content: "";
        position: absolute;
        right: 0;
        bottom: 0;
        width: 32%;
        height: 100%;
        pointer-events: none;
        background: radial-gradient(circle at 80% 18%, rgba(242, 100, 25, .3), transparent 48%), radial-gradient(circle at 66% 76%, rgba(242, 100, 25, .12), transparent 30%);
    }

    .hero-caption {
        position: relative;
        z-index: 2;
        max-width: 820px;
    }

    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 18px;
        padding: 7px 16px;
        background: rgba(255, 255, 255, .14);
        border: 1px solid rgba(255, 255, 255, .2);
        border-radius: var(--radius-pill);
        color: #FFD9C4;
        font-size: 14px;
        font-weight: 500;
        backdrop-filter: blur(4px);
    }

    .page-hero h1 {
        font-size: clamp(30px, 4vw, 44px);
        font-weight: 800;
        line-height: 1.25;
        margin: 0 0 20px;
        word-break: break-word;
    }

    .page-hero .lead {
        font-size: 18px;
        line-height: 1.9;
        color: rgba(255, 255, 255, .9);
        margin: 0 0 28px;
        max-width: 680px;
    }

    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 34px;
        margin: 0 0 34px;
        padding: 0;
        list-style: none;
    }

    .hero-meta li {
        display: flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, .82);
        font-size: 14px;
    }

    .hero-meta li i {
        color: #FFA768;
        width: 20px;
        text-align: center;
    }

    .hero-btns {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
    }

    .btn-hero-primary,
    .btn-hero-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 48px;
        padding: 0 28px;
        border-radius: 10px;
        font-size: 16px;
        font-weight: 700;
        transition: all .25s ease;
        letter-spacing: .3px;
    }

    .btn-hero-primary {
        background: var(--primary);
        border: 1px solid var(--primary);
        color: #fff;
        box-shadow: 0 8px 22px rgba(242, 100, 25, .3);
    }

    .btn-hero-primary:hover {
        background: #FF7A2B;
        border-color: #FF7A2B;
        color: #fff;
        transform: translateY(-3px);
        box-shadow: 0 12px 28px rgba(242, 100, 25, .35);
    }

    .btn-hero-outline {
        background: rgba(255, 255, 255, .04);
        border: 1px solid rgba(255, 255, 255, .65);
        color: #fff;
    }

    .btn-hero-outline:hover {
        background: rgba(255, 255, 255, .14);
        color: #fff;
        transform: translateY(-3px);
    }

    /* ========== 浮层提示条 ========== */
    .notice-strip {
        position: relative;
        z-index: 3;
        margin-top: -40px;
        padding-bottom: 18px;
    }

    .notice-card {
        background: var(--card-bg);
        border-radius: 16px;
        border: 1px solid var(--line);
        border-left: 6px solid var(--primary);
        box-shadow: var(--shadow-md);
        padding: 22px 26px;
        display: flex;
        flex-wrap: wrap;
        gap: 16px 20px;
        align-items: center;
    }

    .notice-card .notice-icon {
        flex: 0 0 38px;
        width: 38px;
        height: 38px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--primary-soft);
        color: var(--primary);
        border-radius: 12px;
        font-size: 18px;
    }

    .notice-card .notice-text {
        flex: 1 1 480px;
        margin: 0;
        color: var(--text);
        font-size: 15px;
        line-height: 1.8;
    }

    .notice-card .notice-text strong,
    .notice-card .notice-text b {
        color: var(--primary-dark);
        font-weight: 700;
    }

    /* ========== 通用 section / 标题 ========== */
    .section-block {
        padding: 92px 0;
    }

    .section-head {
        max-width: 720px;
        margin-bottom: 52px;
    }

    .section-head .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--primary);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: .4px;
        margin-bottom: 12px;
    }

    .section-head h2 {
        margin: 0 0 14px;
        font-size: clamp(24px, 2.5vw, 34px);
        font-weight: 800;
        line-height: 1.35;
        letter-spacing: -.3px;
    }

    .section-head p {
        margin: 0;
        color: var(--muted);
        font-size: 16px;
        line-height: 1.9;
    }

    .section-head::after {
        content: "";
        display: block;
        width: 52px;
        height: 3px;
        margin-top: 22px;
        background: var(--primary);
        border-radius: 3px;
    }

    .bg-white {
        background: #fff;
    }

    .bg-cream {
        background: var(--cream);
    }

    /* ========== Gallery 图集场景 ========== */
    .gallery-grid .gallery-col {
        margin-bottom: 24px;
    }

    .gallery-card {
        height: 100%;
        background: var(--card-bg);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        display: flex;
        flex-direction: column;
    }

    .gallery-card:hover {
        border-color: rgba(242, 100, 25, .5);
        transform: translateY(-8px);
        box-shadow: var(--shadow-md);
    }

    .gallery-thumb {
        position: relative;
        aspect-ratio: 16 / 10;
        overflow: hidden;
        background: #F1EAE0;
    }

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

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

    .gallery-label {
        position: absolute;
        top: 14px;
        left: 14px;
        padding: 4px 12px;
        background: rgba(20, 51, 46, .82);
        color: #fff;
        font-size: 13px;
        border-radius: var(--radius-pill);
        backdrop-filter: blur(4px);
    }

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

    .gallery-body h3 {
        margin: 0 0 14px;
        font-size: 19px;
        font-weight: 700;
        line-height: 1.5;
    }

    .gallery-body > p {
        margin: 0 0 18px;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.85;
    }

    .gallery-note {
        margin-top: auto;
        border-top: 1px dashed var(--line);
        padding-top: 15px;
        display: flex;
        gap: 8px;
        align-items: flex-start;
        color: var(--light-muted);
        font-size: 13px;
        line-height: 1.7;
    }

    .gallery-note i {
        color: var(--primary);
        margin-top: 3px;
    }

    /* ========== 图文分栏 ========== */
    .split-section {
        padding: 96px 0;
        background: var(--cream);
        border-bottom: 1px solid #EAE1D5;
    }

    .split-media {
        position: relative;
        height: 100%;
        min-height: 340px;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
    }

    .split-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        inset: 0;
    }

    .split-media .media-card {
        position: absolute;
        left: 20px;
        right: 20px;
        bottom: 20px;
        background: rgba(20, 51, 46, .86);
        color: #fff;
        backdrop-filter: blur(6px);
        border-radius: 12px;
        padding: 16px 20px;
        border: 1px solid rgba(255, 255, 255, .2);
        font-size: 14px;
        line-height: 1.75;
    }

    .split-content h2 {
        font-size: clamp(24px, 2.5vw, 34px);
        font-weight: 800;
        line-height: 1.35;
        margin: 0 0 18px;
        letter-spacing: -.3px;
    }

    .split-content h2::after {
        content: "";
        display: block;
        width: 46px;
        height: 3px;
        margin-top: 18px;
        background: var(--primary);
        border-radius: 3px;
    }

    .split-content > p {
        color: var(--muted);
        font-size: 16px;
        line-height: 1.9;
        margin-bottom: 26px;
    }

    .check-list {
        list-style: none;
        padding: 0;
        margin: 0 0 32px;
    }

    .check-list li {
        display: flex;
        gap: 10px;
        align-items: flex-start;
        margin-bottom: 14px;
        color: var(--text);
        font-size: 15px;
        line-height: 1.7;
    }

    .check-list li i {
        width: 22px;
        height: 22px;
        flex: 0 0 22px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: #FFF0E5;
        color: var(--primary);
        margin-top: 3px;
        font-size: 12px;
    }

    .btn-checkmore {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        min-height: 44px;
        padding: 0 24px;
        background: var(--deep-green);
        color: #fff;
        border: 1px solid var(--deep-green);
        border-radius: 10px;
        font-weight: 600;
        transition: all .25s ease;
    }

    .btn-checkmore:hover {
        background: #2D554B;
        border-color: #2D554B;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 10px 22px rgba(31, 61, 54, .22);
    }

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

    .faq-accordion .accordion-item {
        margin-bottom: 16px;
        border: 1px solid var(--line);
        border-radius: 14px !important;
        overflow: hidden;
        background: var(--card-bg);
        box-shadow: var(--shadow-sm);
    }

    .faq-accordion .accordion-header {
        background: transparent;
    }

    .faq-accordion .accordion-button {
        padding: 20px 24px;
        background: transparent;
        color: var(--text);
        font-size: 17px;
        font-weight: 600;
        line-height: 1.5;
        box-shadow: none;
        border: 0;
        border-radius: 0;
        transition: background .2s ease;
    }

    .faq-accordion .accordion-button::after {
        background: none;
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        content: "\f107";
        font-size: 16px;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        opacity: .9;
    }

    .faq-accordion .accordion-button:not(.collapsed) {
        background: var(--primary-soft);
        color: var(--primary-dark);
    }

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

    .faq-accordion .accordion-button:hover {
        background: #FCF3EA;
    }

    .faq-accordion .accordion-body {
        padding: 6px 24px 24px;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.9;
        border-top: 0;
    }

    /* ========== CTA 深色条 ========== */
    .cta-section {
        background: linear-gradient(135deg, #14332E 0%, #285047 100%);
        padding: 72px 0;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        right: -40px;
        top: -80px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(242, 100, 25, .18);
        filter: blur(36px);
    }

    .cta-inner {
        position: relative;
        z-index: 2;
        display: flex;
        flex-wrap: wrap;
        gap: 28px 50px;
        align-items: center;
        justify-content: space-between;
    }

    .cta-copy h2 {
        margin: 0 0 10px;
        color: #fff;
        font-size: clamp(24px, 3vw, 32px);
        font-weight: 800;
        letter-spacing: -.2px;
    }

    .cta-copy p {
        margin: 0;
        color: rgba(255, 255, 255, .74);
        font-size: 16px;
        line-height: 1.85;
        max-width: 600px;
    }

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

    .btn-cta-orange,
    .btn-cta-outline-light {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 48px;
        padding: 0 28px;
        border-radius: 10px;
        font-weight: 700;
        font-size: 16px;
        transition: all .25s ease;
    }

    .btn-cta-orange {
        background: var(--primary);
        color: #fff;
        border: 1px solid var(--primary);
        box-shadow: 0 8px 24px rgba(242, 100, 25, .3);
    }

    .btn-cta-orange:hover {
        background: #FF853A;
        border-color: #FF853A;
        color: #fff;
        transform: translateY(-3px);
    }

    .btn-cta-outline-light {
        background: transparent;
        color: #fff;
        border: 1px solid rgba(255, 255, 255, .55);
    }

    .btn-cta-outline-light:hover {
        background: rgba(255, 255, 255, .12);
        color: #fff;
        transform: translateY(-3px);
    }

    /* ========== 页脚 ========== */
    .site-footer {
        background: var(--deep-green-2);
        color: rgba(255, 255, 255, .8);
        padding: 76px 0 0;
        font-size: 15px;
    }

    .footer-brand .navbar-brand {
        margin-bottom: 20px;
    }

    .footer-about {
        color: #9FB4AC;
        font-size: 14px;
        line-height: 1.9;
        margin: 18px 0 0;
        max-width: 340px;
    }

    .footer-title {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin: 6px 0 18px;
        letter-spacing: .3px;
        position: relative;
        padding-bottom: 8px;
    }

    .footer-title::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 22px;
        height: 2px;
        background: var(--primary);
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .footer-links a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: #B7CBC4;
        font-size: 14px;
        transition: color .2s ease, transform .2s ease;
    }

    .footer-links a i {
        color: var(--primary);
        font-size: 12px;
    }

    .footer-links a:hover {
        color: #fff;
        transform: translateX(3px);
    }

    .footer-tip {
        background: rgba(255, 255, 255, .05);
        border-radius: 12px;
        padding: 18px 20px;
        border: 1px solid rgba(255, 255, 255, .08);
        display: flex;
        gap: 12px;
        color: #C6D5CF;
        font-size: 14px;
        line-height: 1.8;
    }

    .footer-tip i {
        color: #FFB081;
        margin-top: 2px;
        font-size: 16px;
    }

    .footer-bottom {
        background: rgba(0, 0, 0, .2);
        padding: 20px 0;
        margin-top: 60px;
    }

    .footer-bottom-inner {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 24px;
        align-items: center;
        justify-content: space-between;
        color: rgba(255, 255, 255, .5);
        font-size: 13px;
        line-height: 1.8;
    }

    @media (max-width: 767px) {
        .section-block {
            padding: 60px 0;
        }

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

        .page-hero {
            padding: 58px 0 72px;
        }

        .page-hero .lead {
            font-size: 16px;
        }

        .hero-meta {
            gap: 10px 18px;
        }

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

        .hero-meta li {
            width: 100%;
        }

        .notice-card {
            padding: 18px 16px;
            border-left-width: 4px;
            margin-top: -10px;
        }

        .gallery-body {
            padding: 20px 18px;
        }

        .split-media {
            min-height: 260px;
        }

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

        .footer-title {
            margin-top: 28px;
        }
    }

    @media (max-width: 400px) {
        .logo .brand-sub {
            font-size: 11px;
        }

        .navbar-brand {
            gap: 8px;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            font-size: 15px;
        }

        .brand-text {
            font-size: 14px;
        }
    }

/* roulang page: category3 */
:root {
        --primary: #df661c;
        --primary-dark: #b64812;
        --primary-light: #fdf1e7;
        --secondary: #1d3b36;
        --secondary-deep: #122e2a;
        --ink: #2a2723;
        --muted: #66605a;
        --line: #e8e0d5;
        --line-deep: #d6ccbd;
        --paper: #f7f3ed;
        --paper-warm: #fbf8f3;
        --white: #ffffff;
        --radius: 16px;
        --radius-sm: 10px;
        --radius-lg: 22px;
        --shadow-sm: 0 8px 20px rgba(61, 43, 24, .06);
        --shadow-md: 0 18px 42px rgba(42, 31, 16, .1);
        --shadow-orange: 0 10px 26px rgba(223, 102, 28, .26);
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
        background: var(--paper-warm);
        color: var(--ink);
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color .25s;
    }

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

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

    .container {
        max-width: 1200px;
    }

    h1, h2, h3, h4 {
        font-weight: 700;
        letter-spacing: -.01em;
        line-height: 1.35;
    }

    h1 {
        font-size: clamp(2.15rem, 3.6vw, 3.2rem);
    }

    h2 {
        font-size: clamp(1.55rem, 2.5vw, 2.15rem);
    }

    h3 {
        font-size: 1.15rem;
        font-weight: 600;
    }

    .section {
        padding: 82px 0;
    }

    .section-sm {
        padding: 58px 0;
    }

    .eyebrow,
    .hero-kicker,
    .chip-kicker {
        display: inline-flex;
        align-items: center;
        gap: .45rem;
        background: var(--primary-light);
        color: var(--primary-dark);
        border-radius: 999px;
        padding: .3rem 1rem;
        font-size: .8rem;
        font-weight: 600;
        letter-spacing: .02em;
        border: 1px solid rgba(223, 102, 28, .24);
    }

    .section-head {
        max-width: 820px;
        margin: 0 auto 3rem;
    }

    .section-head .eyebrow {
        margin-bottom: .9rem;
    }

    .section-head p {
        color: var(--muted);
        margin: .85rem auto 0;
        max-width: 720px;
    }

    .divider-head {
        width: 54px;
        height: 3px;
        background: var(--primary);
        border-radius: 999px;
        margin: .7rem 0 0;
    }

    .btn {
        border-radius: .75rem;
        font-weight: 600;
        font-size: 1rem;
        padding: .7rem 1.45rem;
        border: 1px solid transparent;
        transition: all .25s ease;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: .5rem;
        line-height: 1.5;
    }

    .btn:focus-visible,
    .form-control:focus-visible,
    .nav-link:focus-visible {
        outline: 3px solid rgba(223, 102, 28, .42);
        outline-offset: 2px;
        box-shadow: none;
    }

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

    .btn-primary:hover,
    .btn-primary:active,
    .show > .btn-primary.dropdown-toggle {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 14px 30px rgba(223, 102, 28, .34);
    }

    .btn-outline-soft {
        background: rgba(255, 255, 255, .1);
        border: 1.5px solid rgba(255, 255, 255, .78);
        color: #fff;
        backdrop-filter: blur(4px);
    }

    .btn-outline-soft:hover {
        background: rgba(255, 255, 255, .2);
        border-color: #fff;
        color: #fff;
    }

    .btn-outline-deep {
        background: transparent;
        border: 1.5px solid var(--secondary);
        color: var(--secondary);
    }

    .btn-outline-deep:hover {
        background: var(--secondary);
        color: #fff;
        transform: translateY(-1px);
    }

    .btn-nav {
        background: var(--primary);
        border: 0;
        color: #fff;
        border-radius: 11px;
        padding: .78rem 1.45rem;
        box-shadow: var(--shadow-orange);
    }

    .btn-nav:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 14px 30px rgba(223, 102, 28, .36);
    }

    /* ===== Header / Nav ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1040;
        background: rgba(255, 252, 248, .94);
        border-bottom: 1px solid rgba(232, 224, 213, .9);
        backdrop-filter: blur(12px);
    }

    .navbar {
        padding-top: .65rem;
        padding-bottom: .65rem;
    }

    .navbar-brand {
        display: inline-flex;
        align-items: center;
        gap: .7rem;
        color: var(--ink);
        font-weight: 700;
        padding: 0;
    }

    .navbar-brand:hover {
        color: var(--ink);
    }

    .brand-mark {
        width: 44px;
        height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--primary);
        color: #fff;
        border-radius: 13px;
        font-weight: 800;
        font-size: 1.02rem;
        letter-spacing: -.02em;
        box-shadow: 0 6px 18px rgba(223, 102, 28, .28);
    }

    .brand-main {
        display: flex;
        flex-direction: column;
        line-height: 1.25;
    }

    .brand-text {
        font-size: 1rem;
        font-weight: 700;
        color: var(--secondary-deep);
    }

    .brand-sub {
        font-size: .74rem;
        font-weight: 500;
        color: #958b7e;
        letter-spacing: .03em;
    }

    .navbar-nav {
        margin-left: auto;
        margin-right: .8rem;
        gap: .45rem;
    }

    .nav-link {
        color: var(--secondary) !important;
        font-weight: 600;
        font-size: .98rem;
        padding: .55rem .9rem !important;
        border-radius: .6rem;
        border-bottom: 2px solid transparent;
        transition: all .2s;
    }

    .nav-link:hover,
    .nav-link:active {
        color: var(--primary) !important;
        background: rgba(223, 102, 28, .05);
    }

    .nav-link.active {
        color: var(--primary) !important;
        font-weight: 700;
        background: rgba(223, 102, 28, .07);
    }

    .nav-cta {
        margin-left: .4rem;
    }

    .navbar-brand.mb-0 {
        flex-wrap: wrap;
    }

    .navbar-toggler {
        border: 1px solid var(--line-deep);
        border-radius: .65rem;
        padding: .5rem .7rem;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(223, 102, 28, .35);
    }

    /* ===== Hero 小横幅 ===== */
    .page-hero {
        min-height: 520px;
        display: flex;
        align-items: center;
        padding: 120px 0 110px;
        color: #fff;
        position: relative;
        background: linear-gradient(100deg, rgba(18, 45, 41, .94) 0%, rgba(26, 61, 54, .85) 52%, rgba(35, 74, 62, .55) 100%), url(/assets/images/backpic/back-1.webp) no-repeat center / cover;
        border-bottom: 1px solid rgba(255, 255, 255, .14);
        overflow: hidden;
    }

    .page-hero::after {
        content: "";
        position: absolute;
        right: -140px;
        top: -150px;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: radial-gradient(circle at 40% 40%, rgba(223, 102, 28, .5), rgba(223, 102, 28, 0) 70%);
        pointer-events: none;
    }

    .hero-crumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: .55rem;
        font-size: .88rem;
        color: rgba(255, 255, 255, .78);
        margin-bottom: 1.2rem;
    }

    .hero-crumb a {
        color: rgba(255, 255, 255, .78);
        text-decoration: none;
    }

    .hero-crumb a:hover {
        color: #fff;
        text-decoration: underline;
    }

    .hero-crumb span {
        opacity: .55;
    }

    .page-hero h1 {
        color: #fff;
        max-width: 760px;
        margin-bottom: 1.1rem;
    }

    .hero-lead {
        max-width: 820px;
        font-size: 1.14rem;
        line-height: 1.85;
        color: rgba(255, 255, 255, .92);
        margin-bottom: 1.6rem;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: .85rem;
        align-items: center;
    }

    .hero-badges {
        margin-top: 2.1rem;
        display: flex;
        flex-wrap: wrap;
        gap: .6rem;
    }

    .hero-badge {
        background: rgba(255, 255, 255, .12);
        border: 1px solid rgba(255, 255, 255, .25);
        color: #f7f3ed;
        font-size: .84rem;
        padding: .3rem .9rem;
        border-radius: 999px;
        display: inline-flex;
        align-items: center;
        gap: .35rem;
    }

    .hero-badge i {
        color: #ffbf9e;
    }

    /* ===== 概览区块 ===== */
    .overview-card {
        background: var(--paper-warm);
        border: 1px solid var(--line);
        padding: 1.8rem 1.5rem;
        border-radius: var(--radius);
        height: 100%;
        position: relative;
        transition: all .28s;
    }

    .overview-card:hover {
        background: #fff;
        border-color: var(--primary);
        transform: translateY(-6px);
        box-shadow: var(--shadow-sm);
    }

    .overview-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 52px;
        height: 52px;
        border-radius: 15px;
        background: var(--primary-light);
        color: var(--primary-dark);
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .overview-card h3 {
        font-size: 1.18rem;
        margin-bottom: .8rem;
    }

    .overview-card p {
        color: var(--muted);
        font-size: .94rem;
        margin-bottom: 0;
        line-height: 1.8;
    }

    .overview-note {
        background: var(--secondary);
        border-radius: 22px;
        padding: 2rem 2.2rem;
        color: rgba(255, 255, 255, .92);
        margin-top: 2.8rem;
        box-shadow: var(--shadow-md);
    }

    .overview-note i {
        color: #ffbe96;
        margin-right: .7rem;
    }

    /* ===== 双栏步骤 + 摘要 ===== */
    .step-panel {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }

    .step-panel-body {
        padding: 2.1rem 2rem 2.3rem;
    }

    .check-step {
        display: flex;
        align-items: flex-start;
        gap: 1.15rem;
        padding: 1.45rem 0;
        border-bottom: 1px dashed rgba(215, 202, 184, .85);
    }

    .check-step:first-child {
        padding-top: .7rem;
    }

    .check-step:last-child {
        border-bottom: 0;
        padding-bottom: .4rem;
    }

    .step-num {
        min-width: 54px;
        height: 42px;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: 13px;
        font-weight: 800;
        font-size: 1rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        position: relative;
        letter-spacing: .02em;
    }

    .check-step h3 {
        font-size: 1.08rem;
        margin-bottom: .45rem;
    }

    .check-step p {
        color: var(--muted);
        font-size: .96rem;
        margin: 0;
    }

    .digest-panel {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        padding: 1.8rem 1.75rem;
        box-shadow: var(--shadow-sm);
        position: sticky;
        top: 110px;
    }

    .digest-title {
        font-weight: 800;
        display: flex;
        align-items: center;
        gap: .6rem;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--line);
        padding-bottom: 1rem;
        margin-bottom: 1.4rem;
        color: var(--secondary-deep);
    }

    .digest-title i {
        color: var(--primary);
        font-size: 1.35rem;
    }

    .digest-item {
        padding: .75rem 0;
        border-bottom: 1px dashed var(--line);
        display: flex;
        align-items: flex-start;
        gap: .8rem;
    }

    .digest-item:last-child {
        border-bottom: 0;
    }

    .digest-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--primary);
        margin-top: .72rem;
        flex: none;
    }

    .digest-item h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: .2rem;
    }

    .digest-item p {
        font-size: .88rem;
        color: var(--muted);
        text-align: left;
        margin: 0;
        line-height: 1.65;
    }

    .image-wrap {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
    }

    .image-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    /* ===== 异常处理图文 ===== */
    .rescue-band {
        background: #fff;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }

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

    .rescue-list li {
        display: flex;
        align-items: flex-start;
        gap: 1rem;
        padding: .9rem 0;
        border-bottom: 1px dashed var(--line);
    }

    .rescue-list li:last-child {
        border-bottom: 0;
    }

    .rescue-list i {
        margin-top: .42rem;
        color: var(--primary);
        font-size: 1.3rem;
        line-height: 1;
    }

    .rescue-list span {
        display: block;
        font-weight: 600;
        margin-bottom: .2rem;
    }

    .rescue-list small {
        color: var(--muted);
        font-size: .9rem;
    }

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

    .accordion-box {
        max-width: 900px;
    }

    .accordion-item {
        border: 1px solid var(--line);
        border-radius: 14px !important;
        overflow: hidden;
        background: #fff;
        margin-bottom: 1rem;
    }

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

    .accordion-button {
        font-size: 1.04rem;
        font-weight: 600;
        color: var(--ink);
        background: #fff;
        padding: 1.25rem 1.4rem;
        box-shadow: none;
    }

    .accordion-button:hover {
        background: var(--primary-light);
    }

    .accordion-button:not(.collapsed) {
        color: var(--primary-dark);
        background: var(--primary-light);
        box-shadow: none;
    }

    .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(223, 102, 28, .34);
    }

    .accordion-button::after {
        background-size: 1rem;
        filter: grayscale(1) invert(.42);
    }

    .accordion-body {
        color: var(--muted);
        line-height: 1.9;
        font-size: .97rem;
        padding: .4rem 1.4rem 1.5rem;
        border-top: 1px dashed rgba(232, 224, 213, .7);
        background: rgba(255, 255, 255, .5);
    }

    /* ===== 内链长廊 ===== */
    .quick-route {
        padding: 3.2rem 0;
    }

    .quick-route a {
        transition: all .25s;
        border-radius: 16px !important;
    }

    .quick-route .list-group-item {
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 1.1rem 1.3rem;
        background: #fff;
        color: var(--ink);
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: .8rem;
    }

    .quick-route .list-group-item i:first-child {
        color: var(--primary);
        margin-right: .8rem;
        width: 22px;
        text-align: center;
    }

    .quick-route .list-group-item i:last-child {
        color: #bbb1a5;
        transition: transform .2s;
    }

    .quick-route .list-group-item:hover {
        border-color: var(--primary);
        box-shadow: var(--shadow-sm);
        transform: translateY(-3px);
        color: var(--primary-dark);
    }

    .quick-route .list-group-item:hover i:last-child {
        transform: translateX(4px);
        color: var(--primary);
    }

    /* ===== CTA 深色条 ===== */
    .cta-band {
        background: var(--secondary);
        color: #fff;
        padding: 66px 0;
        position: relative;
        overflow: hidden;
    }

    .cta-band::after {
        content: "";
        position: absolute;
        right: -90px;
        bottom: -120px;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        background: rgba(223, 102, 28, .35);
        filter: blur(14px);
    }

    .cta-band h2 {
        color: #fff;
        max-width: 640px;
        margin-bottom: 1rem;
    }

    .cta-band p {
        color: rgba(255, 255, 255, .88);
        max-width: 680px;
        margin-bottom: 0;
    }

    .cta-btn-group {
        display: flex;
        justify-content: flex-end;
        gap: .8rem;
        position: relative;
        z-index: 2;
        flex-wrap: wrap;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--secondary-deep);
        color: rgba(255, 255, 255, .82);
        padding: 72px 0 0;
    }

    .site-footer .navbar-brand {
        color: #fff;
    }

    .site-footer .brand-text {
        color: #fff;
    }

    .site-footer .brand-sub {
        color: #b9cfc8;
    }

    .footer-about {
        color: #a9c0b9;
        font-size: .94rem;
        line-height: 1.9;
        margin: 1.4rem 0 0;
        max-width: 360px;
    }

    .footer-title {
        color: #fff;
        font-size: 1.05rem;
        font-weight: 700;
        margin-bottom: 1.3rem;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: .65rem;
    }

    .footer-links a {
        color: #afc5bf;
        font-size: .95rem;
        transition: all .2s;
    }

    .footer-links a i {
        font-size: .75rem;
        margin-right: .55rem;
        color: var(--primary);
    }

    .footer-links a:hover {
        color: #fff;
        padding-left: 3px;
    }

    .footer-tip {
        background: rgba(255, 255, 255, .07);
        border: 1px solid rgba(255, 255, 255, .13);
        border-radius: 15px;
        padding: 1.1rem 1.2rem;
        color: #bdd3cd;
        font-size: .92rem;
        display: flex;
        gap: .8rem;
        align-items: flex-start;
        line-height: 1.85;
    }

    .footer-tip i {
        font-size: 1.2rem;
        color: #ffbe96;
        margin-top: .4rem;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .13);
        padding: 1.4rem 0;
        margin-top: 64px !important;
    }

    .footer-bottom-inner {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: .8rem;
        font-size: .85rem;
        color: #9db5ae;
    }

    .footer-bottom-inner span:last-child {
        color: #7f9e96;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 992px) {
        .navbar-nav {
            margin: .6rem 0 .5rem;
        }

        .nav-cta {
            margin: .4rem 0 .8rem;
            text-align: center;
        }

        .nav-link.active::after {
            content: "";
        }

        .page-hero {
            min-height: auto;
            padding: 92px 0 80px;
        }

        .digest-panel {
            position: static;
            margin-top: 2rem;
        }

        .cta-band {
            text-align: center;
        }

        .cta-btn-group {
            justify-content: center;
            margin-top: 1.5rem;
        }

        .section {
            padding: 58px 0;
        }

        .site-footer {
            padding-top: 58px;
        }

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

    @media (max-width: 768px) {
        h1 {
            font-size: 2rem;
            line-height: 1.35;
        }

        h2 {
            font-size: 1.5rem;
        }

        .page-hero {
            padding: 76px 0 66px;
        }

        .hero-lead {
            font-size: 1.02rem;
        }

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

        .overview-note {
            padding: 1.5rem 1.4rem;
        }

        .cta-band h2 {
            font-size: 1.4rem;
        }
    }

    @media (max-width: 520px) {
        .hero-badge {
            font-size: .8rem;
        }

        .step-num {
            min-width: 42px;
            height: 38px;
        }

        .accordion-button {
            font-size: .95rem;
        }

        .digest-title {
            font-size: 1rem;
        }

        .quick-route .list-group-item {
            font-size: .95rem;
        }

        .page-hero h1 {
            word-break: break-word;
        }

        .btn-nav {
            padding: .6rem 1rem;
            font-size: .9rem;
        }

        .brand-text {
            font-size: .92rem;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        * {
            animation: none !important;
            transition: none !important;
            scroll-behavior: auto !important;
        }
    }

/* roulang page: category4 */
:root {
            --primary: #E8541E;
            --primary-dark: #c74514;
            --primary-light: #fdeee5;
            --deep: #14332E;
            --deep-soft: #1f4037;
            --surface: #F7F4EF;
            --card-bg: #FFFFFF;
            --text: #2B2B2B;
            --text-muted: #5A5A5A;
            --border: #E7DDD0;
            --radius: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, .05);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, .08);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--surface);
        }

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

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

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

        .container {
            max-width: 1220px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--deep);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .03em;
            line-height: 1;
            flex-shrink: 0;
        }

        .brand-text {
            display: block;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .brand-sub {
            display: block;
            font-size: 12px;
            color: rgba(255, 255, 255, .65);
            letter-spacing: .02em;
            margin-top: 2px;
        }

        .navbar-nav {
            gap: 2px;
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            font-weight: 500;
            padding: 9px 14px !important;
            border-radius: 8px;
            position: relative;
            transition: color .2s, background .2s;
        }

        .navbar-nav .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            font-weight: 700;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 2px;
            background: var(--primary);
            border-radius: 9px;
        }

        .nav-cta {
            margin-left: 18px;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 15px;
            transition: background .2s, box-shadow .2s, transform .2s;
            box-shadow: 0 2px 6px rgba(232, 84, 30, .25);
        }

        .btn-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 84, 30, .32);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: 8px;
            color: #fff;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, .15);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .site-header .navbar-collapse {
            background: var(--deep);
        }

        section {
            padding: 90px 0;
        }

        /* hero */
        .page-hero {
            position: relative;
            background-image: url("/assets/images/backpic/back-3.png");
            background-position: center center;
            background-size: cover;
            background-repeat: no-repeat;
            padding: 112px 0 96px;
            color: #fff;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 35, 30, .9) 0%, rgba(12, 52, 45, .78) 55%, rgba(13, 52, 45, .48) 100%);
        }

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

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 6px 16px;
            border-radius: 999px;
            color: #ffe5d6;
            font-size: 13px;
            letter-spacing: .03em;
            margin-bottom: 24px;
        }

        .page-hero h1 {
            font-size: clamp(30px, 5vw, 44px);
            line-height: 1.25;
            font-weight: 800;
            max-width: 720px;
            margin-bottom: 16px;
        }

        .page-hero .hero-lead {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .9);
            max-width: 660px;
            margin-bottom: 32px;
        }

        .hero-actions .btn {
            border-radius: 8px;
            padding: 12px 30px;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all .2s ease;
        }

        .btn-warm {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
        }

        .btn-warm:hover {
            background: #f16b30;
            border-color: #f16b30;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 0, 0, .18);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, .7) !important;
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .16);
            color: #fff;
            transform: translateY(-2px);
        }

        /* summary */
        .summary-section {
            background: #fff;
            padding: 92px 0;
        }

        .summary-supplement {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 34px 34px 30px;
            height: 100%;
        }

        .summary-supplement h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.4;
        }

        .summary-supplement .lead-text {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .summary-supplement ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .summary-supplement ul li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 14px;
            padding-top: 2px;
            color: var(--text);
        }

        .summary-supplement ul li i {
            position: absolute;
            left: 0;
            top: 5px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 11px;
            text-align: center;
            line-height: 21px;
        }

        .summary-guide {
            height: 100%;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px 28px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease;
        }

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

        .summary-guide .guide-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .summary-guide h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .summary-guide p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin: 0;
        }

        .section-title-wrap {
            margin-bottom: 44px;
        }

        .section-title-wrap .eyebrow-title {
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
        }

        .section-title-wrap h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-title-wrap p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            max-width: 800px;
            line-height: 1.9;
        }

        /* compare table */
        .compare-section {
            background: var(--surface);
        }

        .compare-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px;
            overflow-x: auto;
        }

        .table-guide {
            margin: 0;
            min-width: 610px;
            vertical-align: middle;
            font-size: 15px;
        }

        .table-guide thead th {
            background: var(--deep);
            color: #fff;
            border: none;
            padding: 15px 18px;
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
        }

        .table-guide thead th:first-child {
            border-top-left-radius: 10px;
        }

        .table-guide thead th:last-child {
            border-top-right-radius: 10px;
        }

        .table-guide tbody td {
            padding: 16px 18px;
            border-bottom: 1px solid #f0eae1;
            vertical-align: top;
            line-height: 1.75;
            background: #fff;
        }

        .table-guide tbody tr:last-child td {
            border-bottom: none;
        }

        .table-guide td strong {
            display: block;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .table-guide .cell-note {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* visual guide */
        .media-guide-section {
            background: #fff;
        }

        .feature-media {
            height: 100%;
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
        }

        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(13, 35, 31, .55) 100%);
        }

        .feature-media-caption {
            position: absolute;
            left: 22px;
            right: 22px;
            bottom: 20px;
            z-index: 2;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
        }

        .feature-list {
            padding-top: 14px;
        }

        .feature-list .media-block-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            line-height: 1.35;
            margin: 10px 0 20px;
        }

        .feature-list .media-para {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .media-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .media-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
            color: var(--text);
            font-size: 15px;
        }

        .media-list li i {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: 5px;
        }

        .process-chip {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        /* scenario cards */
        .scenario-section {
            background: var(--surface);
        }

        .scenario-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 26px 24px;
            height: 100%;
            transition: transform .2s, border-color .2s, box-shadow .2s;
        }

        .scenario-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .scenario-card .scenario-index {
            font-weight: 800;
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 16px;
            display: block;
            letter-spacing: .08em;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .scenario-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }

        /* faq */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        details.faq-item {
            background: #fdfbf7;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 18px 24px;
            margin-bottom: 14px;
            transition: border-color .2s, box-shadow .2s;
        }

        details.faq-item[open] {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 8px 20px rgba(0, 0, 0, .04);
        }

        details.faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            gap: 20px;
            outline: none;
        }

        details.faq-item summary::-webkit-details-marker {
            display: none;
        }

        details.faq-item summary .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .25s;
        }

        details.faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid #efe9e0;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.85;
        }

        /* CTA */
        .cta-section {
            padding: 74px 0;
            position: relative;
            background: var(--deep);
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            width: 430px;
            height: 430px;
            right: -110px;
            top: -130px;
            border-radius: 50%;
            background: rgba(232, 84, 30, .16);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            width: 230px;
            height: 230px;
            left: -60px;
            bottom: -100px;
            border-radius: 50%;
            border: 38px solid rgba(255, 255, 255, .04);
        }

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

        .cta-inner {
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-inner h2 {
            font-size: clamp(25px, 3vw, 34px);
            font-weight: 800;
            margin-bottom: 14px;
            color: #fff;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .75);
            font-size: 16px;
            margin-bottom: 34px;
            line-height: 1.8;
        }

        .cta-inner .btn-warm {
            font-size: 16px;
            padding: 13px 34px;
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, .6);
            color: #fff;
            background: transparent;
            border-radius: 8px;
            padding: 13px 26px;
            font-weight: 600;
            font-size: 15px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        /* footer */
        .site-footer {
            background: #112a26;
            color: rgba(255, 255, 255, .7);
            padding: 68px 0 0;
            font-size: 14px;
        }

        .site-footer .navbar-brand {
            padding-bottom: 14px;
        }

        .footer-about {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.9;
            max-width: 330px;
            margin: 14px 0 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .66);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s;
        }

        .footer-links a i {
            font-size: 11px;
            color: var(--primary);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-tip {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 12px;
            padding: 18px;
            color: rgba(255, 255, 255, .68);
            font-size: 13px;
            line-height: 1.8;
            display: flex;
            gap: 10px;
        }

        .footer-tip i {
            color: var(--primary);
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            margin-top: 40px;
        }

        .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: rgba(255, 255, 255, .42);
            font-size: 13px;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                padding: 10px 0 14px;
            }
            .navbar-nav {
                margin-top: 8px;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 14px;
            }
            .nav-cta .btn-nav {
                width: 100%;
            }
            section {
                padding: 66px 0;
            }
            .summary-supplement {
                margin-bottom: 24px;
            }
            .feature-list {
                padding-top: 32px;
            }
        }

        @media (max-width: 767.98px) {
            section {
                padding: 52px 0;
            }
            .page-hero {
                padding: 72px 0 60px;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 420px;
                margin-bottom: 10px;
            }
            .summary-section {
                padding: 60px 0;
            }
            .compare-card {
                padding: 16px;
            }
            .footer-bottom-inner {
                justify-content: center;
                text-align: center;
            }
            .scenario-card {
                margin-bottom: 18px;
            }
        }