/* roulang page: index */
:root {
    --emc-primary: #0E7C66;
    --emc-primary-dark: #0A5C4C;
    --emc-gold: #D9A05B;
    --emc-deep: #123F36;
    --emc-bg: #F7F5F2;
    --emc-white: #FFFFFF;
    --emc-text: #2C2C2C;
    --emc-text-secondary: #6E6E6E;
    --emc-text-muted: #9A9A9A;
    --emc-border: #E8E4DF;
    --emc-radius-card: 16px;
    --emc-radius-btn: 8px;
    --emc-radius-img: 12px;
    --emc-shadow: 0 4px 20px rgba(18,63,54,0.06);
    --emc-shadow-hover: 0 12px 32px rgba(18,63,54,0.12);
    --emc-transition: 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--emc-text);
    background-color: var(--emc-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--emc-primary);
    transition: color 0.2s ease;
}
a:hover { color: var(--emc-gold); }
img { max-width: 100%; height: auto; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

.container-xxl { max-width: 1320px; padding-left: 24px; padding-right: 24px; }

/* ---------- Buttons ---------- */
.btn {
    border-radius: var(--emc-radius-btn);
    padding: 12px 28px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.25s ease;
    border-width: 1px;
}
.btn-primary {
    background-color: var(--emc-primary);
    border-color: var(--emc-primary);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--emc-primary-dark);
    border-color: var(--emc-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14,124,102,0.25);
}
.btn-gold {
    background-color: var(--emc-gold);
    border-color: var(--emc-gold);
    color: var(--emc-deep);
}
.btn-gold:hover {
    background-color: #e6b16c;
    border-color: #e6b16c;
    color: var(--emc-deep);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(217,160,91,0.35);
}
.btn-outline-light {
    border: 1px solid rgba(255,255,255,0.75);
    background: transparent;
    color: #fff;
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.12);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}
.btn:active { transform: translateY(0) !important; }
.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(14,124,102,0.25);
}

/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.90);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(232,228,223,0.75);
    transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled {
    background: var(--emc-deep);
    box-shadow: 0 8px 24px rgba(18,63,54,0.16);
    border-bottom-color: rgba(255,255,255,0.10);
}
.header-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-height: 78px;
    position: relative;
}
.nav-list { display: flex; gap: 2rem; margin: 0; align-items: center; }
.nav-list a {
    color: var(--emc-text-secondary);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    padding: 6px 2px;
    display: inline-block;
    transition: color 0.25s ease;
}
.site-header.scrolled .nav-list a { color: rgba(255,255,255,0.88); }
.nav-list a:hover { color: var(--emc-primary); }
.site-header.scrolled .nav-list a:hover { color: var(--emc-gold); }
.nav-list a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 3px;
    background: var(--emc-gold);
    border-radius: 99px;
    transition: width 0.25s ease;
}
.nav-list a:hover::after,
.nav-list a.active::after { width: 100%; }
.nav-list a.active {
    color: var(--emc-primary);
    font-weight: 600;
}
.site-header.scrolled .nav-list a.active { color: #fff; }
.nav-left { margin-right: auto; }
.nav-right { margin-left: auto; }
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 1rem;
    flex-shrink: 0;
}
.logo-icon { color: var(--emc-primary); width: 36px; height: 36px; display: block; transition: color 0.3s ease; }
.site-header.scrolled .logo-icon { color: var(--emc-gold); }
.logo-text {
    font-size: 26px;
    font-weight: 700;
    color: var(--emc-text);
    letter-spacing: 0.5px;
    line-height: 1.2;
    transition: color 0.3s ease;
}
.site-header.scrolled .logo-text { color: #fff; }
.navbar-toggler {
    display: none;
    background: transparent;
    border: 1px solid var(--emc-border);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    color: var(--emc-text);
    font-size: 22px;
    line-height: 1;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.2s;
}
.navbar-toggler:hover { border-color: var(--emc-primary); color: var(--emc-primary); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(14,124,102,0.15); outline: none; }
.site-header.scrolled .navbar-toggler { color: #fff; border-color: rgba(255,255,255,0.4); }
.site-header.scrolled .navbar-toggler:hover { color: var(--emc-gold); border-color: var(--emc-gold); }

/* ---------- Mobile Drawer ---------- */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--emc-deep);
    z-index: 1300;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}
.mobile-drawer.open { right: 0; }
.drawer-close {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    font-size: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.drawer-close:hover { background: rgba(255,255,255,0.2); }
.drawer-nav { text-align: center; }
.drawer-nav li { margin: 20px 0; }
.drawer-nav a {
    color: #fff;
    font-size: 20px;
    font-weight: 500;
    transition: color 0.25s;
}
.drawer-nav a:hover { color: var(--emc-gold); }
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 1250;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ---------- Countdown Bar ---------- */
.countdown-bar {
    background: var(--emc-deep);
    color: #fff;
    padding: 10px 0;
    position: relative;
    z-index: 990;
}
.countdown-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.countdown-title {
    color: var(--emc-gold);
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.cd-grid { display: flex; align-items: center; gap: 4px; }
.cd-box {
    background: #fff;
    color: var(--emc-deep);
    border-radius: 8px;
    min-width: 46px;
    height: 42px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
    line-height: 1;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.cd-num { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1; }
.cd-label { font-size: 11px; color: var(--emc-text-secondary); margin-top: 2px; line-height: 1; }
.cd-sep { font-size: 20px; font-weight: 600; color: var(--emc-gold); padding: 0 2px; }
.countdown-expired { text-align: center; color: var(--emc-gold); font-size: 15px; }

/* ---------- Hero ---------- */
.hero-section {
    position: relative;
    min-height: 640px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: 70px 0;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(18,63,54,0.95) 0%, rgba(14,124,102,0.55) 70%, rgba(14,124,102,0.30) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding: 40px 0;
}
.hero-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    border-radius: 999px;
    padding: 5px 16px;
    font-size: 13px;
    backdrop-filter: blur(4px);
}
.hero-title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.3;
    color: #fff;
    margin: 0 0 18px;
    letter-spacing: 1px;
}
.hero-sub {
    font-size: 17px;
    line-height: 1.75;
    color: rgba(255,255,255,0.88);
    margin-bottom: 34px;
    max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-info-strip { position: relative; z-index: 3; margin-top: 60px; }
.hero-info-strip .row { margin: 0 -10px; }
.hero-info-item {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 14px;
    height: 100%;
}
.hero-info-item i { color: var(--emc-gold); font-size: 22px; flex-shrink: 0; }

/* ---------- Section Layout ---------- */
.section { padding: 96px 0; }
.section-head { margin-bottom: 56px; }
.section-label {
    display: inline-block;
    background: rgba(14,124,102,0.10);
    color: var(--emc-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 18px;
    border-radius: 999px;
    letter-spacing: 1px;
}
.section-title {
    font-size: 30px;
    font-weight: 700;
    margin: 16px 0 10px;
    color: var(--emc-text);
    line-height: 1.4;
}
.section-desc { color: var(--emc-text-secondary); font-size: 15px; max-width: 600px; margin: 0 auto; }

/* ---------- Timeline ---------- */
.timeline-section { background: var(--emc-white); }
.timeline-wrap { position: relative; max-width: 900px; margin: 0 auto; }
.timeline-line {
    position: absolute;
    left: 50%;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: rgba(14,124,102,0.25);
    transform: translateX(-50%);
}
.timeline-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-num {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--emc-bg);
    border: 2px solid var(--emc-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--emc-primary);
    z-index: 2;
    box-shadow: 0 0 0 8px var(--emc-white);
}
.timeline-card {
    background: var(--emc-white);
    border: 1px solid var(--emc-border);
    border-radius: var(--emc-radius-card);
    box-shadow: var(--emc-shadow);
    padding: 28px 30px;
    width: calc(50% - 60px);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.timeline-card:hover {
    box-shadow: var(--emc-shadow-hover);
    transform: translateY(-2px);
}
.timeline-item.left .timeline-card { margin-right: auto; }
.timeline-item.right .timeline-card { margin-left: auto; }
.timeline-icon {
    width: 44px;
    height: 44px;
    background: rgba(14,124,102,0.10);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--emc-primary);
    margin-bottom: 14px;
}
.timeline-title { font-size: 20px; font-weight: 600; margin-bottom: 8px; color: var(--emc-text); }
.timeline-text { color: var(--emc-text-secondary); font-size: 15px; line-height: 1.7; margin: 0; }

/* ---------- Waterfall Gallery ---------- */
.gallery-section { background: var(--emc-bg); }
.waterfall-grid {
    column-count: 4;
    column-gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.waterfall-item {
    position: relative;
    display: block;
    break-inside: avoid;
    margin-bottom: 14px;
    border-radius: var(--emc-radius-img);
    overflow: hidden;
    background: rgba(14,124,102,0.06);
}
.waterfall-item img { width: 100%; display: block; object-fit: cover; transition: transform 0.4s ease; aspect-ratio: 4 / 3; }
.waterfall-item:nth-child(2) img,
.waterfall-item:nth-child(5) img { aspect-ratio: 3 / 4; }
.waterfall-item:nth-child(4) img { aspect-ratio: 1 / 1; }
.waterfall-item:hover img { transform: scale(1.04); }
.waterfall-overlay {
    position: absolute;
    inset: 0;
    background: rgba(14,124,102,0.42);
    opacity: 0;
    transition: opacity 0.35s ease;
    display: flex;
    align-items: flex-end;
    padding: 18px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
}
.waterfall-item:hover .waterfall-overlay { opacity: 1; }
.gallery-more { margin-top: 30px; }
.link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--emc-primary);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}
.link-more:hover { color: var(--emc-gold); }

/* ---------- CTA / Form ---------- */
.cta-section {
    position: relative;
    background-color: var(--emc-deep);
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    padding: 96px 0;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(18,63,54,0.94);
}
.cta-section .container-xxl { position: relative; z-index: 1; }
.cta-tag {
    display: inline-block;
    background: rgba(217,160,91,0.16);
    border: 1px solid rgba(217,160,91,0.45);
    color: var(--emc-gold);
    font-size: 13px;
    padding: 4px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.cta-title { color: #fff; font-size: 32px; font-weight: 700; margin-bottom: 18px; line-height: 1.4; }
.cta-sub { color: rgba(255,255,255,0.85); font-size: 15px; margin-bottom: 12px; line-height: 1.8; max-width: 480px; }
.cta-form-card {
    background: #fff;
    border-radius: var(--emc-radius-card);
    padding: 32px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.18);
}
.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--emc-text-secondary);
    margin-bottom: 6px;
}
.form-control, .form-select {
    background-color: #fff;
    border: 1px solid var(--emc-border);
    border-radius: var(--emc-radius-btn);
    padding: 11px 14px;
    font-size: 15px;
    color: var(--emc-text);
    line-height: 1.5;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control::placeholder { color: var(--emc-text-muted); }
.form-control:focus, .form-select:focus {
    border-color: var(--emc-primary);
    box-shadow: 0 0 0 3px rgba(14,124,102,0.12);
}
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%230E7C66' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-size: 14px;
}
.form-privacy {
    font-size: 12px;
    color: var(--emc-text-muted);
    text-align: center;
    margin-top: 14px;
    margin-bottom: 0;
}

/* ---------- FAQ ---------- */
.faq-section { background: var(--emc-white); }
.faq-section .container { max-width: 900px; }
.accordion-item {
    background: var(--emc-white);
    border: 1px solid var(--emc-border);
    border-left: 3px solid transparent;
    border-radius: var(--emc-radius-card) !important;
    margin-bottom: 14px;
    box-shadow: var(--emc-shadow);
    overflow: hidden;
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
    border-left-color: var(--emc-primary);
    box-shadow: 0 8px 24px rgba(18,63,54,0.10);
}
.accordion-button {
    background: transparent;
    color: var(--emc-text);
    font-size: 16px;
    font-weight: 500;
    padding: 20px 24px;
    box-shadow: none !important;
    border-bottom: 1px solid transparent;
    transition: color 0.25s;
}
.accordion-button:not(.collapsed) {
    background: rgba(14,124,102,0.03);
    color: var(--emc-primary);
    border-bottom-color: var(--emc-border);
}
.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(14,124,102,0.10) !important;
}
.accordion-button::after {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: rgba(14,124,102,0.08);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%230E7C66' viewBox='0 0 16 16'%3E%3Cpath d='M8 2a1 1 0 0 1 1 1v4h4a1 1 0 1 1 0 2H9v4a1 1 0 1 1-2 0V9H3a1 1 0 0 1 0-2h4V3a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
    background-size: 18px;
    background-position: center;
    transition: transform 0.35s ease, background-color 0.25s ease;
}
.accordion-button:not(.collapsed)::after {
    transform: rotate(45deg);
    background-color: rgba(14,124,102,0.15);
}
.accordion-body {
    color: var(--emc-text-secondary);
    font-size: 15px;
    line-height: 1.8;
    padding: 4px 24px 24px;
}

/* ---------- News / CMS List ---------- */
.news-section { background: var(--emc-bg); }
.section-head-flex {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 56px;
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 980px;
    margin: 0 auto;
}
.news-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--emc-white);
    border: 1px solid var(--emc-border);
    border-left: 3px solid transparent;
    border-radius: var(--emc-radius-card);
    padding: 16px 20px;
    box-shadow: var(--emc-shadow);
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-left-color 0.25s ease;
}
.news-card:hover {
    box-shadow: var(--emc-shadow-hover);
    transform: translateY(-4px);
    border-left-color: var(--emc-primary);
}
.news-thumb {
    width: 120px;
    height: 90px;
    flex-shrink: 0;
    border-radius: var(--emc-radius-img);
    overflow: hidden;
    background: rgba(14,124,102,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-placeholder { color: var(--emc-primary); font-size: 34px; line-height: 1; }
.news-body { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; flex-wrap: wrap; }
.cat-badge {
    display: inline-block;
    background: rgba(14,124,102,0.10);
    color: var(--emc-primary);
    font-size: 13px;
    padding: 2px 12px;
    border-radius: 999px;
    font-weight: 500;
    line-height: 1.6;
}
.news-date { font-size: 13px; color: var(--emc-text-muted); }
.news-title {
    font-size: 17px;
    font-weight: 600;
    margin: 4px 0 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-title a { color: var(--emc-text); }
.news-title a:hover { color: var(--emc-primary); }
.news-excerpt {
    font-size: 14px;
    color: var(--emc-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
    line-height: 1.6;
}
.empty-news {
    border: 2px dashed var(--emc-border);
    border-radius: var(--emc-radius-card);
    text-align: center;
    padding: 56px 20px;
    color: var(--emc-text-muted);
    background: var(--emc-white);
    max-width: 980px;
    margin: 0 auto;
}
.empty-news i { font-size: 44px; color: var(--emc-border); display: block; margin-bottom: 12px; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--emc-deep);
    color: rgba(255,255,255,0.75);
    padding: 72px 0 0;
}
.footer-main {
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
}
.foo-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}
.footer-logo .logo-text {
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.footer-logo .logo-icon { color: var(--emc-gold); width: 34px; height: 34px; }
.foo-brand p {
    font-size: 15px;
    line-height: 1.8;
    max-width: 360px;
    margin-top: 10px;
    color: rgba(255,255,255,0.65);
}
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s;
}
.footer-social a:hover {
    background: var(--emc-gold);
    color: var(--emc-deep);
    transform: translateY(-2px);
}
.foo-links h4, .foo-contact h4 {
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 18px;
}
.foo-links li { margin-bottom: 10px; }
.foo-links a {
    color: rgba(255,255,255,0.70);
    font-size: 14px;
    transition: color 0.2s;
}
.foo-links a:hover { color: var(--emc-gold); }
.foo-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 14px;
    color: rgba(255,255,255,0.70);
    line-height: 1.6;
}
.foo-contact li i { color: var(--emc-gold); font-size: 18px; line-height: 1.6; flex-shrink: 0; }
.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    color: rgba(255,255,255,0.45);
    font-size: 13px;
    text-align: center;
}
.footer-bottom p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
    .waterfall-grid { column-count: 3; }
}

@media (max-width: 991px) {
    .nav-list { display: none; }
    .navbar-toggler { display: flex; }
    .header-row { justify-content: center; }
    .brand-logo { margin: 0; }
    .timeline-line { left: 20px; top: 10px; bottom: 10px; }
    .timeline-num {
        left: 20px;
        width: 48px;
        height: 48px;
        font-size: 17px;
        box-shadow: 0 0 0 6px var(--emc-white);
    }
    .timeline-card {
        width: calc(100% - 58px);
        margin-left: 58px !important;
    }
    .waterfall-grid { column-count: 2; }
    .hero-title { font-size: 36px; }
    .cta-title { font-size: 28px; }
    .section { padding: 72px 0; }
}

@media (max-width: 767px) {
    .waterfall-grid { column-count: 1; }
    .hero-section { min-height: 580px; padding: 50px 0; }
    .hero-title { font-size: 30px; }
    .hero-sub { font-size: 15px; }
    .hero-actions .btn { width: 100%; }
    .hero-info-strip { margin-top: 40px; }
    .hero-info-item { margin-bottom: 8px; }
    .countdown-inner { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding: 2px 4px; }
    .cd-box { min-width: 40px; height: 38px; }
    .cd-num { font-size: 17px; }
    .countdown-title { font-size: 13px; gap: 4px; }
    .section { padding: 56px 0; }
    .section-title { font-size: 24px; }
    .section-head { margin-bottom: 40px; }
    .timeline-card { width: calc(100% - 54px); margin-left: 54px !important; padding: 22px 20px; }
    .timeline-title { font-size: 18px; }
    .news-card { flex-direction: column; align-items: flex-start; padding: 18px; }
    .news-thumb { width: 100%; height: 160px; }
    .section-head-flex { flex-direction: column; align-items: flex-start; }
    .cta-section { padding: 56px 0; }
    .cta-title { font-size: 24px; }
    .cta-form-card { padding: 24px 20px; }
    .foo-links, .foo-contact { margin-top: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; }
}

@media (max-width: 520px) {
    .hero-title { font-size: 27px; }
    .logo-text { font-size: 22px; }
    .cd-box { min-width: 36px; height: 34px; }
    .cd-num { font-size: 15px; }
    .cd-grid { gap: 2px; }
    .waterfall-grid { column-count: 1; }
}

/* roulang page: article */
:root {
            --primary: #0E7C66;
            --primary-dark: #0A5C4C;
            --accent: #D9A05B;
            --accent-hover: #C6863E;
            --dark: #123F36;
            --dark-soft: rgba(18, 63, 54, 0.88);
            --bg: #F7F5F2;
            --card: #FFFFFF;
            --text: #2C2C2C;
            --text-muted: #6E6E6E;
            --text-light: #9A9A9A;
            --border: #E8E4DF;
            --radius-lg: 16px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow: 0 4px 20px rgba(18, 63, 54, 0.06);
            --shadow-hover: 0 12px 32px rgba(18, 63, 54, 0.12);
            --transition: all 0.25s ease;
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a:hover {
            color: var(--accent-hover);
        }

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

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

        .container-xxl {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 10px 26px;
            font-size: 15px;
            border: 1px solid transparent;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            line-height: 1.4;
        }

        .btn:focus-visible,
        .form-control:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(14, 124, 102, 0.15);
        }

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

        .btn-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 124, 102, 0.25);
        }

        .btn-accent {
            background-color: var(--accent);
            border-color: var(--accent);
            color: var(--dark);
        }

        .btn-accent:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(232, 228, 223, 0.6);
            transition: background 0.35s ease, border-color 0.35s ease;
        }

        .site-header.scrolled {
            background: var(--dark);
            border-bottom-color: rgba(255, 255, 255, 0.08);
            box-shadow: 0 6px 24px rgba(18, 63, 54, 0.18);
        }

        .header-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            min-height: 76px;
            position: relative;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-list a.nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 0;
            position: relative;
            background: transparent;
            border: none;
        }

        .site-header.scrolled .nav-list a.nav-link {
            color: rgba(255, 255, 255, 0.9);
        }

        .nav-list a.nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 100%;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: right center;
            transition: transform 0.3s ease;
        }

        .nav-list a.nav-link:hover {
            color: var(--accent);
        }

        .nav-list a.nav-link.active {
            color: var(--primary);
        }

        .nav-list a.nav-link.active::after {
            transform: scaleX(1);
            transform-origin: left center;
        }

        .site-header.scrolled .nav-list a.nav-link.active {
            color: var(--accent);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--dark);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            color: var(--primary);
            display: inline-flex;
            transition: color 0.3s ease;
        }

        .brand-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: inherit;
        }

        .site-header.scrolled .brand-logo {
            color: #fff;
        }

        .site-header.scrolled .brand-logo .logo-icon {
            color: var(--accent);
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            color: var(--dark);
            padding: 8px 12px;
            font-size: 22px;
            line-height: 1;
            cursor: pointer;
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1100;
        }

        .site-header.scrolled .navbar-toggler {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-wrap a {
            color: var(--text-muted);
            text-decoration: none;
        }

        .breadcrumb-wrap a:hover {
            color: var(--primary);
        }

        .breadcrumb-wrap .sep {
            color: var(--border);
        }

        .breadcrumb-wrap .current {
            color: var(--primary);
            font-weight: 500;
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Main ===== */
        .article-wrap {
            padding: 56px 0 64px;
            background: var(--bg);
        }

        .article-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 44px 52px;
        }

        .article-header {
            margin-bottom: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border);
        }

        .article-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 0 0 20px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px 18px;
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .article-meta i {
            color: var(--primary);
        }

        .article-meta .dot-sep {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-light);
            display: inline-block;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--primary);
            font-weight: 700;
            margin-top: 36px;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .article-content h2 {
            font-size: 24px;
        }

        .article-content h3 {
            font-size: 20px;
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: var(--shadow);
        }

        .article-content figure {
            margin: 28px 0;
        }

        .article-content figure figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--text-light);
            margin-top: 8px;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.4em;
            margin-bottom: 24px;
        }

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

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

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

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(14, 124, 102, 0.06);
            padding: 18px 22px;
            border-radius: 0 10px 10px 0;
            margin: 28px 0;
            color: var(--text-muted);
        }

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

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-divider {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(14, 124, 102, 0.35), transparent);
            margin: 40px 0 0;
            border: none;
        }

        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--card);
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
        }

        .not-found-box i {
            font-size: 52px;
            color: var(--text-light);
            display: block;
            margin-bottom: 20px;
        }

        .not-found-box h3 {
            font-size: 22px;
            color: var(--text);
            margin-bottom: 10px;
        }

        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Article CTA ===== */
        .article-cta-section {
            padding: 60px 0;
            background: var(--dark);
            position: relative;
        }

        .article-cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-1.png") center / cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }

        .cta-box-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            background: rgba(18, 63, 54, 0.72);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            backdrop-filter: blur(6px);
        }

        .cta-text h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            margin: 0;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 72px 0 80px;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .related-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-2.png") center / cover no-repeat;
            opacity: 0.16;
            pointer-events: none;
        }

        .related-section .container-xxl {
            position: relative;
        }

        .related-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .related-head h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin: 0;
        }

        .back-link {
            color: var(--accent);
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .back-link:hover {
            color: #fff;
            transform: translateX(-4px);
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.14);
            transition: var(--transition);
            height: 100%;
            display: block;
            border: 1px solid rgba(255, 255, 255, 0.2);
            text-decoration: none;
            color: var(--text);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
            color: var(--text);
        }

        .related-card .thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .related-card-body {
            padding: 22px 22px 20px;
        }

        .related-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.55;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--text);
        }

        .related-card-body .time-row {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.82);
            padding: 64px 0 0;
        }

        .footer-main {
            padding-bottom: 40px;
            gap: 32px 0;
        }

        .foo-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            margin-bottom: 18px;
            text-decoration: none;
        }

        .foo-brand .footer-logo .logo-icon {
            color: var(--accent);
        }

        .foo-brand .footer-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
        }

        .foo-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 22px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 14px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--dark);
            transform: translateY(-3px);
        }

        .foo-links h4,
        .foo-contact h4 {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 22px;
        }

        .foo-links ul,
        .foo-contact ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .foo-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .foo-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 14px;
        }

        .foo-contact i {
            color: var(--accent);
            font-size: 16px;
            line-height: 1.5;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .nav-list {
                gap: 20px;
            }
            .article-card {
                padding: 36px 40px;
            }
        }

        @media (max-width: 991px) {
            .header-row {
                min-height: 68px;
                justify-content: center;
            }

            .nav-list {
                display: none;
                position: fixed;
                inset: 0;
                background: var(--dark);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 28px;
                z-index: 1200;
                padding-top: 30px;
            }

            .nav-list a.nav-link {
                font-size: 20px !important;
                color: #fff !important;
            }

            .nav-list a.nav-link.active {
                color: var(--accent) !important;
            }

            .navbar-toggler {
                display: inline-flex;
            }

            .site-header.mobile-open .nav-list {
                display: flex;
            }

            .site-header.mobile-open .header-row {
                position: fixed;
                inset: 0;
                background: var(--dark);
                z-index: 2000;
                flex-direction: column;
                justify-content: center;
                gap: 12px;
                min-height: 100vh;
            }

            .site-header.mobile-open .brand-logo {
                color: #fff;
                order: 1;
                margin-bottom: 12px;
            }

            .site-header.mobile-open .brand-logo .logo-icon {
                color: var(--accent);
            }

            .site-header.mobile-open .nav-left {
                order: 2;
            }

            .site-header.mobile-open .nav-right {
                order: 3;
            }

            .site-header.mobile-open .navbar-toggler {
                order: 4;
                position: static;
                transform: none;
                margin-top: 18px;
                color: #fff;
                border-color: rgba(255, 255, 255, 0.35);
            }

            .article-card {
                padding: 30px 28px;
            }

            .article-header h1 {
                font-size: 26px;
            }

            .article-cta-section {
                padding: 44px 0;
            }

            .cta-box-inner {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .related-section {
                padding: 56px 0 64px;
            }

            .related-card-body h3 {
                font-size: 15px;
            }

            .footer-main {
                row-gap: 36px;
            }
        }

        @media (max-width: 767px) {
            .container-xxl {
                padding-left: 16px;
                padding-right: 16px;
            }

            .breadcrumb-wrap .current {
                max-width: 140px;
            }

            .article-wrap {
                padding: 32px 0 48px;
            }

            .article-card {
                padding: 20px 16px;
                border-radius: 12px;
            }

            .article-header h1 {
                font-size: 22px;
                line-height: 1.5;
            }

            .article-meta {
                gap: 8px 12px;
                font-size: 13px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-content h2 {
                font-size: 20px;
            }

            .article-content h3 {
                font-size: 17px;
            }

            .related-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .related-head h2 {
                font-size: 22px;
            }

            .related-card .thumb {
                aspect-ratio: 16 / 10;
            }

            .cta-box-inner {
                padding: 24px 18px;
            }

            .cta-text h3 {
                font-size: 20px;
            }

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

        @media (max-width: 520px) {
            .brand-logo .logo-text {
                font-size: 18px;
            }

            .btn {
                padding: 9px 20px;
                font-size: 14px;
            }

            .article-meta .dot-sep {
                display: none;
            }

            .article-meta {
                flex-wrap: wrap;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0E7C66;
            --primary-dark: #0A5C4C;
            --accent: #D9A05B;
            --dark: #123F36;
            --bg: #F7F5F2;
            --card-bg: #FFFFFF;
            --text-main: #2C2C2C;
            --text-secondary: #6E6E6E;
            --text-muted: #9A9A9A;
            --border: #E8E4DF;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --shadow-sm: 0 4px 20px rgba(18, 63, 54, 0.06);
            --shadow-md: 0 12px 32px rgba(18, 63, 54, 0.12);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-main);
            background-color: var(--bg);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent);
        }

        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
        }

        .container-xxl {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-xxl {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 导航系统 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            background: var(--dark);
            border-color: transparent;
            box-shadow: 0 6px 24px rgba(18, 63, 54, 0.22);
        }

        .header-row {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 76px;
            gap: 24px;
            position: relative;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 0.5px;
            flex-shrink: 0;
            transition: color 0.3s;
        }

        .brand-logo .logo-icon {
            display: flex;
            align-items: center;
        }

        .brand-logo .logo-text {
            white-space: nowrap;
            font-size: 24px;
        }

        .site-header.scrolled .brand-logo {
            color: #ffffff;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-list.nav-left {
            flex: 1;
            justify-content: flex-end;
            margin-right: 40px;
        }

        .nav-list.nav-right {
            flex: 1;
            justify-content: flex-start;
            margin-left: 40px;
        }

        .nav-list .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 2px;
            position: relative;
            display: inline-block;
            transition: color 0.2s ease;
        }

        .nav-list .nav-link:hover {
            color: var(--primary);
        }

        .nav-list .nav-link.active {
            color: var(--primary);
        }

        .nav-list .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .site-header.scrolled .nav-list .nav-link {
            color: rgba(255, 255, 255, 0.86);
        }

        .site-header.scrolled .nav-list .nav-link:hover,
        .site-header.scrolled .nav-list .nav-link.active {
            color: var(--accent);
        }

        .site-header.scrolled .nav-list .nav-link.active::after {
            background: var(--accent);
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            color: var(--primary);
            width: 44px;
            height: 44px;
            border-radius: 8px;
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            transition: color 0.3s;
        }

        .site-header.scrolled .navbar-toggler {
            color: #ffffff;
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 24px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 30px;
            text-align: center;
        }

        .mobile-drawer nav a {
            color: rgba(255, 255, 255, 0.9);
            font-size: 20px;
            font-weight: 500;
            padding: 8px 20px;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: color 0.2s;
        }

        .mobile-drawer nav a:hover,
        .mobile-drawer nav a.active {
            color: var(--accent);
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 30px;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            min-height: 44px;
        }

        .btn-warm {
            background: var(--accent);
            color: var(--dark);
            border-color: var(--accent);
        }

        .btn-warm:hover {
            background: #c8944e;
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 160, 91, 0.32);
        }

        .btn-warm:active {
            transform: translateY(0);
        }

        .btn-warm:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-primary-solid {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

        .btn-primary-solid:hover {
            background: var(--primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 124, 102, 0.3);
        }

        .btn-lg {
            padding: 14px 40px;
            font-size: 17px;
            min-height: 50px;
        }

        .btn-block {
            width: 100%;
        }

        /* ===== 分类页 Banner ===== */
        .category-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 96px 0 64px;
            overflow: hidden;
            background-color: var(--dark);
        }

        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-image: url('/assets/images/backpic/back-1.png');
        }

        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 63, 54, 0.92) 0%, rgba(14, 124, 102, 0.68) 60%, rgba(18, 63, 54, 0.82) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(217, 160, 91, 0.2);
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.3;
            color: #ffffff;
            margin: 0 0 16px;
        }

        .category-hero .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.88);
            margin: 0 auto 32px;
            max-width: 620px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 96px 0;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(14, 124, 102, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin: 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .category-hero {
                min-height: 320px;
                padding: 72px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-subtitle {
                font-size: 15px;
            }
        }

        /* ===== 介绍区 ===== */
        .intro-section {
            padding: 96px 0;
        }

        .intro-wrap {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .intro-wrap h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 24px;
            line-height: 1.4;
        }

        .intro-wrap p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin: 0 0 20px;
        }

        .intro-wrap p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .intro-section {
                padding: 56px 0;
            }
            .intro-wrap h2 {
                font-size: 24px;
            }
            .intro-wrap p {
                font-size: 15px;
                text-align: left;
            }
        }

        /* ===== 图文交替 ===== */
        .feature-alternate {
            padding: 96px 0;
            background: #ffffff;
        }

        .feature-alternate .container-xxl {
            max-width: 1200px;
        }

        .feature-row {
            margin-bottom: 80px;
            align-items: center;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-img {
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .feature-img::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius-img);
            border: 1px solid rgba(255, 255, 255, 0.1);
            pointer-events: none;
        }

        .feature-img img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
            border-radius: var(--radius-img);
            transition: transform 0.4s ease;
        }

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

        .feature-text {
            padding: 16px 32px;
        }

        .feature-text .section-tag {
            margin-bottom: 16px;
        }

        .feature-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 16px;
            line-height: 1.4;
        }

        .feature-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin: 0 0 24px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            transition: color 0.2s, gap 0.2s;
        }

        .text-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .feature-alternate {
                padding: 56px 0;
            }
            .feature-row {
                margin-bottom: 56px;
            }
            .feature-img img {
                height: 260px;
            }
            .feature-text {
                padding: 24px 0 0;
            }
            .feature-text h3 {
                font-size: 22px;
            }
        }

        /* ===== 方向卡片 ===== */
        .directions-section {
            padding: 96px 0;
        }

        .dir-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            height: 100%;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .dir-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(14, 124, 102, 0.25);
        }

        .dir-card .dir-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(14, 124, 102, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 18px;
            transition: background 0.25s, transform 0.25s;
        }

        .dir-card:hover .dir-icon {
            background: var(--primary);
            color: #ffffff;
            transform: scale(1.05);
        }

        .dir-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 10px;
        }

        .dir-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }

        .dir-card-primary {
            background: var(--dark);
            border-color: var(--dark);
        }

        .dir-card-primary .dir-icon {
            background: rgba(217, 160, 91, 0.2);
            color: var(--accent);
        }

        .dir-card-primary h3 {
            color: #ffffff;
        }

        .dir-card-primary p {
            color: rgba(255, 255, 255, 0.75);
        }

        .dir-card-primary:hover {
            box-shadow: 0 16px 40px rgba(18, 63, 54, 0.3);
            border-color: var(--dark);
        }

        .dir-card-primary:hover .dir-icon {
            background: var(--accent);
            color: var(--dark);
        }

        .dir-row {
            margin-bottom: 24px;
        }

        .dir-row:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .directions-section {
                padding: 56px 0;
            }
            .dir-card {
                padding: 22px;
            }
        }

        /* ===== 流程 ===== */
        .process-section {
            padding: 96px 0;
            background: #ffffff;
        }

        .process-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px 28px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .process-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 28px;
            right: 28px;
            height: 4px;
            border-radius: 0 0 4px 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

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

        .process-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(14, 124, 102, 0.1);
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            transition: background 0.25s, color 0.25s;
        }

        .process-item:hover .process-num {
            background: var(--primary);
            color: #ffffff;
        }

        .process-item h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 10px;
        }

        .process-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }

        @media (max-width: 768px) {
            .process-section {
                padding: 56px 0;
            }
            .process-item {
                padding: 24px 20px 20px;
            }
            .process-item::before {
                left: 20px;
                right: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg);
        }

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

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

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

        .accordion-button {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            background: var(--card-bg);
            padding: 18px 24px;
            box-shadow: none;
            border: none;
            transition: color 0.2s, background 0.2s;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(14, 124, 102, 0.04);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:hover {
            background: rgba(14, 124, 102, 0.04);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(14, 124, 102, 0.12);
            border-color: var(--primary);
        }

        .accordion-button::after {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(14, 124, 102, 0.08);
            background-image: none;
            color: var(--primary);
            font-size: 18px;
            font-weight: 400;
            line-height: 28px;
            text-align: center;
            content: "+";
            transition: transform 0.3s ease, background 0.3s;
            flex-shrink: 0;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: none;
            transform: rotate(45deg);
            background-color: var(--primary);
            color: #ffffff;
            line-height: 28px;
        }

        .accordion-body {
            padding: 4px 24px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 56px 0;
            }
            .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }
            .accordion-body {
                padding: 4px 18px 16px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(14, 124, 102, 0.2);
            filter: blur(40px);
        }

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

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            line-height: 1.4;
        }

        .cta-section .cta-desc {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            margin: 0 0 20px;
            max-width: 460px;
        }

        .tag-warm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--dark);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .cta-form-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: 0 20px 50px rgba(18, 63, 54, 0.2);
        }

        .form-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-control,
        .form-select {
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: 15px;
            color: var(--text-main);
            background-color: #ffffff;
            min-height: 46px;
        }

        .form-control::placeholder {
            color: var(--text-muted);
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 124, 102, 0.15);
        }

        .form-select {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236E6E6E' viewBox='0 0 16 16'%3e%3cpath d='M8 11.5L2 5.5L3.5 4L8 8.5L12.5 4L14 5.5L8 11.5z'/%3e%3c/svg%3e");
        }

        .form-privacy {
            font-size: 12px;
            text-align: center;
            color: var(--text-muted);
            margin: 14px 0 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 24px;
                margin-top: 20px;
            }
            .cta-form-card {
                padding: 24px 20px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            padding: 72px 0 24px;
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-main {
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            transition: color 0.2s;
        }

        .footer-logo:hover {
            color: var(--accent);
        }

        .foo-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin: 0 0 20px;
            max-width: 380px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 18px;
            transition: background 0.25s, color 0.25s, transform 0.25s;
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--dark);
            transform: translateY(-3px);
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            margin: 0 0 20px;
        }

        .foo-links ul,
        .foo-contact ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .foo-links ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.2s, padding-left 0.2s;
        }

        .foo-links ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .foo-contact ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .foo-contact ul li i {
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 56px 0 20px;
            }
            .foo-links,
            .foo-contact {
                margin-top: 32px;
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .nav-list.nav-left,
            .nav-list.nav-right {
                display: none;
            }

            .navbar-toggler {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .header-row {
                justify-content: center;
                min-height: 68px;
                gap: 0;
            }

            .brand-logo {
                margin-right: 44px;
            }
        }

        @media (max-width: 520px) {
            .hero-buttons .btn {
                width: 100%;
                margin-bottom: 8px;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 8px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero .hero-subtitle {
                font-size: 14px;
            }
        }

        @media (min-width: 992px) and (max-width: 1199px) {
            .nav-list {
                gap: 20px;
            }
            .nav-list.nav-left {
                margin-right: 24px;
            }
            .nav-list.nav-right {
                margin-left: 24px;
            }
        }