/* roulang page: index */
:root {
    --paper: #F8F7F3;
    --paper-deep: #F2EFE9;
    --card: #FFFFFF;
    --ink: #172220;
    --muted: #6D7A76;
    --line: #E7E2D9;
    --coral: #E64D2E;
    --coral-2: #F0874B;
    --amber: #F2B544;
    --pond: #152E2C;
    --pond-2: #2A4B47;
    --grad: linear-gradient(135deg, #E64D2E 0%, #F0874B 100%);
    --shadow: 0 10px 30px rgba(21,46,44,.08);
    --shadow-hover: 0 16px 36px rgba(21,46,44,.14);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-main);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
}
a { text-decoration: none; color: inherit; transition: all .2s ease; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
[type='text'], [type='search'] { box-shadow: none; }
.grid-container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }
.grid-container.wide { max-width: 1440px; }
ul, ol { padding-left: 20px; margin: 0; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 48px;
    padding: 0 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
    white-space: nowrap;
}
.btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 8px 22px rgba(230, 77, 46, .25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(230, 77, 46, .34); color: #fff; }
.btn-primary:active { transform: translateY(0); box-shadow: 0 6px 16px rgba(230,77,46,.2); }
.btn-secondary {
    background: #fff;
    border-color: #d8d3c9;
    color: var(--ink);
}
.btn-secondary:hover { border-color: var(--ink); background: var(--paper-deep); color: var(--ink); transform: translateY(-2px); }
.btn-lg { height: 54px; padding: 0 34px; font-size: 16px; border-radius: 14px; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; border-radius: 10px; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0,0,0,.04);
    box-shadow: 0 2px 20px rgba(21, 46, 44, .04);
}
.header-inner {
    display: flex;
    align-items: center;
    min-height: 64px;
    gap: 24px;
}
.brand {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}
.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: var(--grad);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex: 0 0 36px;
}
.brand-mark::before {
    content: "";
    width: 16px;
    height: 14px;
    border: 2px solid #fff;
    border-left: 0;
    border-radius: 0 8px 8px 0;
    margin-left: 2px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -.2px;
}
.brand-badge {
    background: rgba(242, 181, 68, .2);
    color: #b57c08;
    border: 1px solid rgba(242, 181, 68, .4);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 6px;
    letter-spacing: .4px;
}
.header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 20px;
}
.main-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    color: #4b5855;
    padding: 12px 14px;
    border-radius: 8px;
    transition: color .2s;
}
.main-nav a:hover { color: var(--ink); background: #f8f6f1; }
.main-nav a.active { color: var(--coral); font-weight: 600; }
.main-nav a.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--coral);
}
.header-search {
    display: flex;
    align-items: center;
    background: #F4F2EC;
    border-radius: 12px;
    border: 1px solid transparent;
    overflow: hidden;
    height: 42px;
    transition: all .2s;
}
.header-search:focus-within {
    border-color: var(--amber);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(242,181,68,.18);
}
.header-search form {
    display: flex;
}
.header-search .search-field {
    width: 180px;
    border: 0;
    background: transparent;
    padding: 0 14px;
    font-size: 13px;
    color: var(--ink);
    box-shadow: none;
}
.header-search .search-field:focus { box-shadow: none; }
.icon-btn {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    width: 42px;
    height: 42px;
    font-size: 15px;
    color: #4b5855;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .2s;
}
.icon-btn:hover { border-color: var(--amber); color: var(--coral); }
.topbar-cta { margin-left: 4px; }

/* Hero */
.hero-section {
    padding: 52px 0 76px;
    background: var(--paper);
    overflow: hidden;
    position: relative;
}
.hero-inner {
    display: flex;
    align-items: center;
    gap: 48px;
}
.hero-visual {
    flex: 0 0 45%;
    max-width: 45%;
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 420px;
    background: linear-gradient(135deg, #152E2C, #2A4B47);
}
.hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-img-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(14, 38, 36, .58), transparent 50%);
}
.hero-data-card {
    position: absolute;
    left: 22px;
    bottom: 22px;
    right: 22px;
    background: rgba(255,255,255,.93);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: 0 18px 40px rgba(0,0,0,.15);
}
.hero-data-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--coral);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}
.hero-data-label {
    font-size: 13px;
    color: #6b6b6b;
}
.hero-data-label strong { display: block; color: var(--ink); font-weight: 600; }
.hero-content {
    flex: 1;
    min-width: 0;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(230, 77, 46, .08);
    border: 1px solid rgba(230, 77, 46, .15);
    padding: 6px 14px;
    border-radius: 999px;
    color: var(--coral);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 22px;
}
.hero-eyebrow i { font-size: 12px; }
.hero-title {
    font-size: clamp(32px, 4.4vw, 48px);
    line-height: 1.22;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--ink);
    margin: 0 0 18px;
}
.hero-title strong { color: var(--coral); font-weight: 800; }
.hero-subtitle {
    font-size: 17px;
    color: #56635f;
    line-height: 1.85;
    max-width: 540px;
    margin-bottom: 30px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-tags span {
    font-size: 13px;
    background: #fff;
    border: 1px solid var(--line);
    padding: 6px 14px;
    border-radius: 99px;
    color: #57645f;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }

/* Section base */
.section {
    padding: 80px 0;
}
.section-head {
    margin-bottom: 42px;
    text-align: center;
}
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    letter-spacing: 1.5px;
    color: var(--coral);
    font-size: 13px;
    font-weight: 700;
    gap: 10px;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-eyebrow::before, .section-eyebrow::after {
    content: '';
    width: 24px;
    height: 1px;
    background: rgba(230,77,46,.35);
}
.section-title {
    font-size: clamp(26px, 3vw, 36px);
    line-height: 1.3;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -.5px;
    margin: 0 0 14px;
}
.section-desc {
    max-width: 680px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}
.section-left { text-align: left; }
.section-left .section-eyebrow::before, .section-left .section-eyebrow::after { display: none; }

/* Channel cards section */
.channel-section { position: relative; }
.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.channel-card {
    position: relative;
    background: var(--card);
    border-radius: var(--radius-xl);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
}
.channel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.channel-card.dark { background: var(--pond); color: #fff; }
.channel-card.dark .channel-card-title { color: #fff; }
.channel-card.dark .channel-card-text { color: rgba(255,255,255,.74); }
.channel-card-cornor {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 10px;
    height: 10px;
    background: var(--amber);
    border-radius: 3px;
}
.channel-order {
    font-size: 14px;
    font-weight: 800;
    color: var(--coral);
    background: rgba(230,77,46,.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    margin-bottom: 18px;
}
.dark .channel-order { background: rgba(255,255,255,.14); color: var(--amber); }
.channel-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--paper);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--coral);
    margin-bottom: 18px;
}
.dark .channel-icon { background: rgba(255,255,255,.1); color: var(--amber); }
.channel-card-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.channel-card-text { font-size: 14px; line-height: 1.75; color: var(--muted); flex: 1; }
.channel-link {
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--coral);
}
.dark .channel-link { color: var(--amber); }
.channel-link i { transition: transform .25s; }
.channel-link:hover i { transform: translateX(5px); }

.step-timeline {
    margin-top: 42px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 14px;
}
.step-line { width: 100%; border-top: 2px dashed #d9d3c7; margin-top: 10px; }

/* Dark value section */
.value-section {
    background: var(--pond);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.value-section::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -60px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(242,181,68,.12), transparent 65%);
}
.value-section .section-title { color: #fff; }
.value-section .section-desc { color: rgba(255,255,255,.75); }
.value-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr;
    gap: 20px;
}
.value-card {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 22px;
    padding: 30px;
    transition: all .3s;
}
.value-card.center { background: #fff; color: var(--ink); transform: translateY(-6px); box-shadow: 0 28px 50px rgba(0,0,0,.2); }
.value-card.center .value-desc { color: var(--muted); }
.value-card:hover { transform: translateY(-4px); }
.value-card.center:hover { transform: translateY(-10px); }
.value-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(242,181,68,.22);
    color: var(--amber);
    font-size: 12px;
    font-weight: 700;
    border-radius: 99px;
    padding: 5px 14px;
    margin-bottom: 18px;
    letter-spacing: .5px;
}
.center .value-badge { background: rgba(230,77,46,.1); color: var(--coral); }
.value-num { font-size: 34px; font-weight: 800; line-height: 1; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.center .value-num { color: var(--coral); }
.value-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.value-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.72); }

/* Update list section */
.update-section { background: #fff; }
.update-layout { display: grid; grid-template-columns: 1.4fr .9fr; gap: 30px; align-items: start; }
.update-panel {
    background: var(--paper);
    border-radius: var(--radius-xl);
    padding: 28px;
}
.update-panel-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.update-panel-title .dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--coral);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 0 4px rgba(230,77,46,.12);
}
.update-row {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid #e7e3dc;
    transition: all .25s;
}
.update-row:last-of-type { border-bottom: 0; }
.update-row:hover { background: #f3f0ea; border-radius: 14px; padding: 18px 12px 18px 18px; }
.row-thumb {
    width: 112px;
    height: 75px;
    border-radius: 12px;
    overflow: hidden;
    flex: 0 0 112px;
    background: linear-gradient(135deg, var(--pond), var(--pond-2));
}
.row-thumb img { width: 100%; height: 100%; object-fit: cover; transition: all .3s; }
.update-row:hover .row-thumb img { transform: scale(1.04); }
.row-body { min-width: 0; flex: 1; }
.row-title { font-size: 15px; font-weight: 700; line-height: 1.5; margin: 0 0 8px; }
.row-title a { color: var(--ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.row-title a:hover { color: var(--coral); }
.row-summary {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.row-meta { display: flex; align-items: center; gap: 12px; }
.row-tag {
    background: rgba(230,77,46,.1);
    color: var(--coral);
    font-size: 12px;
    font-weight: 600;
    border-radius: 5px;
    padding: 2px 8px;
}
.row-time { color: #929b98; font-size: 12px; }
.right-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 28px;
    box-shadow: var(--shadow);
}
.right-card-title {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 22px;
}
.right-card-title i { color: var(--amber); }
.browse-steps { list-style: none; padding: 0; margin: 0; position: relative; }
.browse-steps li {
    position: relative;
    padding: 0 0 24px 34px;
}
.browse-steps li::before {
    content: "";
    position: absolute;
    left: 9px;
    top: 22px;
    width: 2px;
    height: 33px;
    background: #f1e8de;
}
.browse-steps li:last-child::before { display: none; }
.browse-steps li::after {
    content: "";
    position: absolute;
    left: 3px;
    top: 5px;
    width: 14px;
    height: 14px;
    border: 3px solid var(--coral);
    background: #fff;
    border-radius: 50%;
    box-sizing: border-box;
}
.browse-steps li:not(.done)::after { border-color: #c8c3bb; }
.browse-step-label { font-weight: 600; font-size: 14px; }
.browse-step-desc { font-size: 13px; color: var(--muted); line-height: 1.65; margin-top: 3px; }
.progress-block {
    margin-top: 12px;
    background: #F4F1EA;
    border-radius: 14px;
    padding: 18px;
}
.progress-head {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    margin-bottom: 9px;
}
.progress-head strong { color: var(--ink); }
.progress-track { height: 8px; background: #e2ded4; border-radius: 99px; overflow: hidden; }
.progress-fill { width: 62%; height: 100%; background: var(--grad); border-radius: 99px; }
.empty-tip {
    text-align: center;
    padding: 56px 20px;
    border: 2px dashed #d9d5cc;
    border-radius: 18px;
    color: var(--muted);
    font-size: 15px;
    background: #fff;
}

/* Media editorial section */
.editorial-section { background: var(--paper); }
.editorial-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 24px; }
.editorial-card {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow);
    transition: all .3s;
}
.editorial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.editorial-card .media-wrap { height: 220px; overflow: hidden; position: relative; }
.editorial-card .media-wrap img { width: 100%; height: 100%; object-fit: cover; transition: all .35s; }
.editorial-card:hover .media-wrap img { transform: scale(1.04); }
.editorial-card .media-wrap::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.4), transparent 70%);
}
.editorial-card .editorial-label {
    position: absolute;
    left: 18px;
    top: 16px;
    z-index: 2;
    background: rgba(21,46,44,.82);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 99px;
    backdrop-filter: blur(6px);
}
.editorial-body { padding: 18px 20px 22px; }
.editorial-title { font-size: 17px; font-weight: 700; line-height: 1.45; margin: 0 0 8px; }
.editorial-desc { font-size: 13px; color: var(--muted); line-height: 1.65; margin-bottom: 12px; }
.editorial-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #959c98; }

/* FAQ section */
.faq-section { background: linear-gradient(#fff, #f8f7f3 30%); }
.faq-layout { display: grid; grid-template-columns: .9fr 1.4fr; gap: 50px; align-items: start; }
.faq-intro { position: sticky; top: 100px; }
.faq-support {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px 18px;
    margin-top: 22px;
}
.faq-support .icon-round {
    width: 44px;
    height: 44px;
    background: rgba(230, 77, 46, .1);
    border-radius: 12px;
    color: var(--coral);
    display: flex;
    flex: 0 0 44px;
    align-items: center;
    justify-content: center;
}
.faq-support-text strong { display: block; font-size: 15px; }
.faq-support-text span { font-size: 13px; color: var(--muted); }
.accordion { background: transparent; margin-left: 0; margin-top: 0; list-style-type: none; }
.accordion-item {
    background: #fff;
    border: 1px solid var(--line) !important;
    border-radius: 16px;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(21, 46, 44, .03);
}
.accordion-title {
    border: 0 !important;
    background: #fff !important;
    padding: 20px 50px 20px 22px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink) !important;
    position: relative;
    transition: all .2s;
    line-height: 1.5;
}
.accordion-title:hover { color: var(--coral) !important; }
.accordion-title::after {
    content: "\f067";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--coral);
    font-size: 14px;
    width: 28px;
    height: 28px;
    background: rgba(230,77,46,.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}
.accordion-item.is-active .accordion-title::after {
    content: "\f068";
    background: var(--coral);
    color: #fff;
}
.accordion-content {
    border: 0 !important;
    background: #fff;
    padding: 0 24px 22px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
}
.accordion-content p { margin-bottom: 0; }

/* CTA section */
.cta-section {
    padding: 28px 0 80px;
}
.cta-box {
    background: linear-gradient(135deg, rgba(230,77,46,.96), rgba(240,135,75,.94));
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    padding: 48px 52px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 28px;
}
.cta-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') no-repeat center/cover;
    opacity: .14;
}
.cta-box::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: repeating-linear-gradient(90deg, rgba(255,255,255,.55) 0, rgba(255,255,255,.55) 16px, transparent 16px, transparent 28px);
}
.cta-content { position: relative; z-index: 1; flex: 1 1 420px; }
.cta-title { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; margin-bottom: 10px; }
.cta-text { font-size: 15px; color: rgba(255,255,255,.9); max-width: 420px; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 12px; position: relative; z-index: 1; }
.btn-white { background: #fff; color: var(--coral); font-weight: 700; }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0,0,0,.14); color: var(--coral); }
.btn-ghost-light {
    background: rgba(255,255,255,.16);
    color: #fff;
    border-color: rgba(255,255,255,.5);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.25); color: #fff; }

/* Footer */
.site-footer {
    background: #0F1D1C;
    color: rgba(255,255,255,.7);
    padding: 56px 0 26px;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand-txt { font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-desc { font-size: 13px; line-height: 1.9; max-width: 320px; }
.footer-title { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.58); padding: 3px 0; display: inline-flex; gap: 6px; }
.footer-links a:hover { color: var(--amber); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 22px;
    font-size: 12px;
    color: rgba(255,255,255,.55);
}
.footer-bottom a { color: rgba(255,255,255,.65); }
.footer-bottom a:hover { color: var(--amber); }
.back-top {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255,255,255,.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,.14);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}
.back-top:hover { background: var(--coral); color: #fff; border-color: var(--coral); }

/* Responsive */
@media screen and (max-width: 1024px) {
    .main-nav a { padding: 10px 8px; font-size: 13px; }
    .hero-inner { gap: 32px; }
    .hero-title { font-size: 34px; }
    .value-grid { grid-template-columns: repeat(3, 1fr); }
    .value-card { padding: 22px; }
    .editorial-grid { grid-template-columns: 1fr 1fr; }
    .editorial-card:first-child { grid-column: span 2; }
    .faq-layout { grid-template-columns: .8fr 1.5fr; gap: 30px; }
}
@media screen and (max-width: 900px) {
    .header-search { display: none; }
    .main-nav { margin-left: auto; }
    .hero-visual { display: none; }
    .hero-inner { padding-top: 20px; }
    .update-layout { grid-template-columns: 1fr; }
    .channel-grid { grid-template-columns: 1fr; gap: 16px; }
    .value-grid { grid-template-columns: 1fr; gap: 18px; }
    .value-card.center { transform: none; }
    .value-card.center:hover { transform: translateY(-4px); }
    .faq-layout { grid-template-columns: 1fr; }
    .faq-intro { position: static; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .site-footer .footer-top > div:first-child { grid-column: span 2; }
}
@media screen and (max-width: 720px) {
    .grid-container { padding: 0 16px; }
    .section { padding: 52px 0; }
    .header-inner { justify-content: space-between; }
    .brand-text { font-size: 15px; }
    .header-cta .top-btn-hidden { display: none; }
    .main-nav { position: fixed; left: 16px; right: 16px; top: 64px; z-index: -1; background: #fff; border-radius: 18px; box-shadow: var(--shadow); padding: 10px; flex-direction: column; align-items: stretch; gap: 2px; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all .25s; }
    .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); z-index: 60; }
    .main-nav a { padding: 12px 14px; }
    .main-nav a::after { display: none; }
    .blog-menu-toggle { display: inline-flex !important; }
    .hero-section { padding: 28px 0 46px; }
    .hero-title { font-size: 30px; }
    .hero-subtitle { font-size: 15px; }
    .hero-tags span { font-size: 12px; }
    .section-title { font-size: 25px; }
    .channel-card { padding: 22px; }
    .update-panel { padding: 18px; }
    .right-card { padding: 20px; }
    .cta-box { padding: 34px 24px; }
    .footer-top { grid-template-columns: 1fr; gap: 24px; }
    .site-footer .footer-top > div:first-child { grid-column: auto; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .editorial-grid { grid-template-columns: 1fr; }
    .editorial-card:first-child { grid-column: auto; }
    .blog-menu-toggle { display: inline-flex; }
    .topbar-cta .btn { height: 40px; padding: 0 18px; font-size: 13px; }
}
.menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    color: var(--ink);
}
@media screen and (max-width: 720px) {
    .menu-toggle { display: inline-flex; }
    .header-search-toggle { display: inline-flex; }
    .desktop-search { display: none; }
}
.header-search-toggle { display: none; }
@media (max-width: 720px) {
    .header-desktop-cta { display: none; }
}
@media (max-width: 1024px) and (min-width: 721px) {
    .topbar-cta span { display: none; }
}

/* roulang page: category1 */
:root {
            --bg: #F8F7F3;
            --surface: #FFFFFF;
            --surface-2: #F2EFE9;
            --text: #172220;
            --muted: #6D7A76;
            --accent: #E64D2E;
            --accent-light: #F0874B;
            --gold: #F2B544;
            --deep: #152E2C;
            --deep-2: #2A4B47;
            --border: #E7E0D6;
            --line: rgba(23, 34, 32, 0.08);
            --radius-xl: 24px;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-sm: 0 8px 24px rgba(21, 46, 44, 0.06);
            --shadow-md: 0 10px 30px rgba(21, 46, 44, 0.08);
            --shadow-hover: 0 16px 36px rgba(21, 46, 44, 0.14);
            --container-w: 1320px;
            --space-lg: 96px;
            --space-md: 72px;
            --space-sm: 56px;
            --nav-h: 64px;
            --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background-color: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            font-variant-numeric: tabular-nums;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        p,
        ul,
        ol,
        figure,
        blockquote {
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: var(--text);
            font-weight: 700;
        }

        ul,
        ol {
            list-style: none;
        }

        img {
            display: block;
            max-width: 100%;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        input {
            outline: none;
        }

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

        .cell {
            width: 100%;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 40;
            height: var(--nav-h);
            background: rgba(248, 247, 243, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(23, 34, 32, 0.06);
        }

        .header-inner {
            height: var(--nav-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        .header-left,
        .header-right {
            display: flex;
            align-items: center;
        }

        .header-left {
            gap: 30px;
            min-width: 0;
        }

        .header-right {
            gap: 16px;
            flex-shrink: 0;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            color: var(--deep);
            letter-spacing: -0.2px;
            white-space: nowrap;
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff;
            font-size: 15px;
            border-radius: 12px;
            box-shadow: 0 6px 14px rgba(230, 77, 46, 0.24);
        }

        .brand-name {
            font-size: 18px;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .main-nav a:hover {
            color: var(--accent);
            background: rgba(230, 77, 46, 0.06);
        }

        .main-nav a.active {
            color: var(--deep);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 3px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }

        .search-form {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-form input {
            width: 190px;
            height: 42px;
            border: 1px solid var(--border);
            background: var(--surface);
            border-radius: 999px;
            padding: 0 48px 0 18px;
            font-size: 14px;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .search-form input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 4px rgba(242, 181, 68, 0.16);
        }

        .search-form button {
            position: absolute;
            right: 4px;
            width: 34px;
            height: 34px;
            border: 0;
            border-radius: 50%;
            background: var(--deep);
            color: #fff;
            cursor: pointer;
            font-size: 13px;
            transition: background-color 0.2s ease;
        }

        .search-form button:hover {
            background: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all 0.25s var(--ease);
        }

        .btn-primary {
            background: linear-gradient(120deg, var(--accent), var(--accent-light));
            color: #fff;
            box-shadow: 0 8px 18px rgba(230, 77, 46, 0.18);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(230, 77, 46, 0.26);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-secondary {
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--deep);
        }

        .btn-secondary:hover {
            border-color: var(--muted);
            background: var(--surface-2);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.48);
            color: #fff;
        }

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

        .btn-white {
            background: #fff;
            color: var(--deep);
            border: 0;
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(21, 46, 44, 0.18);
        }

        .btn-sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 13px;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            background: var(--surface);
            border-radius: 14px;
            color: var(--deep);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .menu-toggle:hover {
            background: var(--deep);
            color: #fff;
        }

        .page-hero {
            position: relative;
            background:
                linear-gradient(115deg, rgba(21, 46, 44, 0.98) 0%, rgba(42, 75, 71, 0.92) 62%, rgba(21, 46, 44, 0.82) 100%),
                url("/assets/images/backpic/back-2.png") center / cover no-repeat;
            padding: 58px 0 56px;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            bottom: -180px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(242, 181, 68, 0.22), transparent 68%);
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            margin-bottom: 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.62);
        }

        .breadcrumb a {
            color: inherit;
        }

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

        .breadcrumb i {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.42);
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 50px);
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 12px;
        }

        .hero-lead {
            max-width: 660px;
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 24px;
        }

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

        .hero-note {
            max-width: 440px;
            margin-left: auto;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-lg);
            padding: 26px 30px;
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
        }

        .hero-note-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-note-row:last-child {
            border-bottom: 0;
        }

        .hero-note-icon {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(242, 181, 68, 0.18);
            color: var(--gold);
            font-size: 17px;
            flex: none;
        }

        .hero-note strong {
            display: block;
            font-size: 15px;
            color: #fff;
            margin-bottom: 3px;
            font-weight: 600;
        }

        .hero-note span {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .category-tabs {
            padding: 22px 0 0;
            margin-top: -1px;
        }

        .tab-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px;
            box-shadow: var(--shadow-sm);
        }

        .tab-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            border: 1px solid transparent;
            transition: all 0.2s ease;
        }

        .tab-link:hover {
            background: var(--surface-2);
            color: var(--deep);
        }

        .tab-link.active {
            background: var(--deep);
            color: #fff;
            box-shadow: 0 6px 16px rgba(21, 46, 44, 0.18);
        }

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

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
        }

        .kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.6px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .kicker::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-head h2 {
            font-size: clamp(26px, 3vw, 34px);
            margin-bottom: 8px;
        }

        .section-desc {
            max-width: 720px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--deep);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
        }

        .text-link i {
            transition: transform 0.2s ease;
        }

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

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

        .overview-section {
            padding-bottom: 26px;
        }

        .overview-inner {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
            padding: 52px 56px;
        }

        .overview-copy h2 {
            font-size: clamp(26px, 3vw, 34px);
            margin-bottom: 18px;
        }

        .overview-copy p {
            color: var(--muted);
            line-height: 1.9;
            font-size: 16px;
            margin-bottom: 12px;
        }

        .point-list {
            display: grid;
            gap: 14px;
        }

        .point-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--bg);
            border: 1px solid var(--line);
            padding: 18px 20px;
            border-radius: var(--radius-md);
            transition: all 0.22s var(--ease);
        }

        .point-list li:hover {
            border-color: var(--gold);
            transform: translateX(4px);
            background: var(--surface);
        }

        .point-icon {
            flex: none;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            margin-top: 1px;
        }

        .point-list strong {
            display: block;
            margin-bottom: 4px;
            font-size: 16px;
        }

        .point-list p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

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

        .spot-card-main {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            height: 100%;
            min-height: 440px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-md);
            transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
            background: var(--deep);
        }

        .spot-card-main:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .spot-card-main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
        }

        .spot-card-main .spot-body {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 30px;
            background: linear-gradient(0deg, rgba(21, 46, 44, 0.92), transparent);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 99px;
            margin-bottom: 14px;
        }

        .spot-card-main h3 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 10px;
        }

        .spot-card-main p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 20px;
        }

        .right-mini-cards {
            display: flex;
            flex-direction: column;
            gap: 24px;
            height: 100%;
        }

        .mini-card {
            flex: 1;
            display: flex;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.22s ease, transform 0.22s ease;
        }

        .mini-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .mini-card-fig {
            flex: none;
            width: 148px;
            min-height: 160px;
            background: var(--surface-2);
            position: relative;
        }

        .mini-card-fig img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .mini-card-body {
            padding: 22px 22px 18px;
            display: flex;
            flex-direction: column;
        }

        .mini-card-body .tag {
            background: rgba(230, 77, 46, 0.12);
            color: var(--accent);
            margin-bottom: 8px;
        }

        .mini-card-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .mini-card-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .mini-card-body a {
            font-size: 13px;
            font-weight: 600;
            color: var(--deep);
            align-self: flex-start;
        }

        .mini-card-body a:hover {
            color: var(--accent);
        }

        .trail-section {
            background: var(--bg);
        }

        .trail-wrapper {
            background: var(--deep);
            border-radius: var(--radius-xl);
            padding: 54px 58px;
            color: #fff;
            overflow: hidden;
            position: relative;
        }

        .trail-wrapper::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            border: 44px solid rgba(255, 255, 255, 0.035);
        }

        .trail-wrapper .kicker {
            color: var(--gold);
        }

        .trail-wrapper .kicker::before {
            background: var(--gold);
        }

        .trail-wrapper h2 {
            color: #fff;
        }

        .trail-copy {
            color: rgba(255, 255, 255, 0.72);
        }

        .timeline {
            margin-top: 38px;
            display: grid;
            gap: 4px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 28px 42px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: 11px;
            top: 20px;
            bottom: 0;
            width: 2px;
            background: rgba(255, 255, 255, 0.15);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item:last-child::before {
            display: none;
        }

        .tl-dot {
            position: absolute;
            left: 0;
            top: 2px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 2px solid var(--gold);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .tl-dot i {
            font-size: 9px;
            color: var(--gold);
        }

        .timeline-item strong {
            display: block;
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .timeline-item p {
            color: rgba(255, 255, 255, 0.62);
            font-size: 14px;
            line-height: 1.8;
            max-width: 600px;
        }

        .metrics-band {
            background: linear-gradient(120deg, #1d3432 0%, #243e3b 100%);
            padding: 44px 0;
        }

        .metric-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .metric-num {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
        }

        .metric-info strong {
            display: block;
            color: #fff;
            font-size: 14px;
            margin-bottom: 4px;
        }

        .metric-info p {
            color: rgba(255, 255, 255, 0.58);
            font-size: 13px;
            line-height: 1.5;
            margin: 0;
        }

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

        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 64px;
            align-items: start;
        }

        .faq-side {
            position: sticky;
            top: 90px;
        }

        .faq-side h2 {
            font-size: clamp(26px, 3vw, 34px);
            margin-bottom: 14px;
        }

        .faq-side p {
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .faq-list {
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            background: var(--surface);
            transition: background-color 0.2s ease;
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 20px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
        }

        .faq-q .faq-icon {
            flex: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--bg);
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--accent);
            transition: transform 0.25s ease, background-color 0.2s ease;
        }

        .faq-item.is-open .faq-q .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.is-open .faq-a {
            max-height: 600px;
        }

        .faq-a-inner {
            padding: 0 44px 24px 0;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
        }

        .cta-band {
            padding: 0 0 var(--space-lg);
            background: var(--surface);
        }

        .cta-box {
            background: linear-gradient(120deg, #E64D2E 0%, #F0874B 55%, #F2B544 130%);
            border-radius: var(--radius-xl);
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            box-shadow: 0 18px 44px rgba(230, 77, 46, 0.2);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0.2), var(--gold));
        }

        .cta-box h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 32px);
            margin-bottom: 8px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.86);
            font-size: 16px;
            max-width: 620px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            flex: none;
        }

        .cta-actions .text-link {
            color: #fff;
        }

        .cta-actions .text-link:hover {
            color: var(--deep);
        }

        .site-footer {
            background: #0F1D1C;
            color: rgba(255, 255, 255, 0.72);
            padding: 68px 0 34px;
            border-top: 4px solid var(--gold);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
        }

        .footer-brand-txt {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.4px;
            margin-bottom: 14px;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.56);
            font-size: 14px;
            line-height: 1.9;
            max-width: 420px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: grid;
            gap: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.58);
            font-size: 14px;
            line-height: 1.4;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.44);
        }

        .back-top {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border: 0;
            font-size: 15px;
            transition: background-color 0.2s ease, transform 0.2s ease;
        }

        .back-top:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }

        .scroll-anchor {
            position: relative;
            display: block;
            top: -80px;
            visibility: hidden;
            height: 0;
        }

        @media screen and (max-width: 1060px) {
            .header-left {
                gap: 14px;
            }

            .search-form input {
                width: 150px;
            }

            .main-nav a {
                padding: 0 10px;
            }

            .footer-top {
                gap: 30px;
            }
        }

        @media screen and (max-width: 900px) {
            :root {
                --space-lg: 64px;
                --space-md: 52px;
                --space-sm: 44px;
            }

            .main-nav {
                position: fixed;
                top: var(--nav-h);
                left: 12px;
                right: 12px;
                background: var(--surface);
                border: 1px solid var(--line);
                border-radius: 18px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px;
                box-shadow: 0 18px 40px rgba(21, 46, 44, 0.16);
                display: none;
                z-index: 60;
            }

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

            .main-nav a {
                height: 44px;
                justify-content: flex-start;
                padding: 0 16px;
            }

            .main-nav a.active::after {
                left: 16px;
                right: auto;
                width: 20px;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .search-form {
                display: none;
            }

            .head-cta {
                display: none;
            }

            .tab-row {
                border-radius: 22px;
                flex-wrap: nowrap;
                overflow-x: auto;
            }

            .tab-link {
                flex: none;
            }

            .overview-inner {
                padding: 32px 26px;
            }

            .spot-card-main {
                min-height: 360px;
            }

            .right-mini-cards {
                margin-top: 24px;
                gap: 16px;
            }

            .metrics-band {
                padding: 32px 0;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .faq-side {
                position: static;
            }
        }

        @media screen and (max-width: 640px) {
            :root {
                --space-lg: 56px;
            }

            body {
                font-size: 15px;
            }

            .brand-name {
                font-size: 16px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                border-radius: 10px;
            }

            .page-hero {
                padding: 42px 0;
            }

            .hero-title {
                font-size: 32px;
            }

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

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
            }

            .hero-note {
                margin: 28px 0 0;
                max-width: none;
                padding: 20px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 30px;
            }

            .overview-inner {
                padding: 28px 18px;
                border-radius: 18px;
            }

            .point-list {
                margin-top: 26px;
            }

            .spot-card-main {
                min-height: 340px;
            }

            .spot-card-main .spot-body {
                padding: 24px 20px;
            }

            .mini-card {
                flex-direction: column;
            }

            .mini-card-fig {
                width: 100%;
                height: 180px;
            }

            .mini-card-body {
                padding: 20px;
            }

            .trail-wrapper {
                padding: 30px 22px;
                border-radius: 18px;
            }

            .metrics-band {
                padding: 30px 0;
            }

            .metric-list {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .metric-card {
                padding: 16px 20px;
            }

            .metric-num {
                font-size: 30px;
            }

            .faq-a-inner {
                padding-right: 0;
            }

            .cta-box {
                padding: 30px 22px;
                flex-direction: column;
                align-items: flex-start;
                border-radius: 18px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-desc {
                max-width: 100%;
            }
        }

        @media screen and (max-width: 520px) {
            .footer-top {
                grid-template-columns: 1fr;
            }

            .brand .brand-icon {
                display: none;
            }

            .brand-name {
                font-size: 17px;
            }

            .tab-row {
                padding: 6px;
            }

            .tab-link {
                height: 36px;
                padding: 0 14px;
            }

            .mt-sm-0 {
                margin-top: 0;
            }
        }

/* roulang page: article */
:root {
            --bg: #F8F7F3;
            --surface: #FFFFFF;
            --surface-soft: #F2EFE9;
            --text-main: #172220;
            --text-sub: #6D7A76;
            --text-invert: #F8FAF9;
            --accent: #E64D2E;
            --accent-deep: #C93C20;
            --accent-orange: #F0874B;
            --gold: #F2B544;
            --gold-soft: #FDF0D6;
            --deep: #152E2C;
            --deep-2: #2A4B47;
            --footer-deep: #0F1D1C;
            --line: rgba(21, 46, 44, .09);
            --line-light: rgba(255, 255, 255, .14);
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --radius-pill: 99px;
            --shadow: 0 10px 30px rgba(21, 46, 44, .06);
            --shadow-hover: 0 16px 36px rgba(21, 46, 44, .13);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
        }

        ul,
        ol,
        p,
        h1,
        h2,
        h3,
        h4,
        figure,
        blockquote {
            margin: 0;
            padding: 0;
        }

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

        input,
        textarea {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(242, 181, 68, .45);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1320px;
        }

        .text-link {
            color: var(--accent);
            font-weight: 500;
        }

        .text-link:hover {
            color: var(--accent-deep);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .02em;
            line-height: 1;
            transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
            white-space: nowrap;
        }

        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg, var(--accent), var(--accent-orange));
            box-shadow: 0 8px 20px rgba(230, 77, 46, .18);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #Ef5B3d, #f8925d);
            box-shadow: 0 12px 26px rgba(230, 77, 46, .27);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 5px 16px rgba(230, 77, 46, .15);
        }

        .btn-light {
            color: var(--text-main);
            background: #FFF;
            box-shadow: 0 8px 22px rgba(0, 0, 0, .08);
        }

        .btn-light:hover {
            background: #fff8ef;
            transform: translateY(-2px);
            box-shadow: 0 13px 28px rgba(0, 0, 0, .12);
            color: var(--accent-deep);
        }

        .btn-outline {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .55);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .16);
            border-color: #fff;
            color: #fff;
        }

        .btn-sm {
            height: 38px;
            padding: 0 16px;
            font-size: 13px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 30px;
            font-size: 15px;
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            color: var(--text-main);
            background: transparent;
            border: 1px solid var(--line);
            transition: all .2s ease;
        }

        .icon-btn:hover {
            background: var(--surface-soft);
            border-color: rgba(21, 46, 44, .18);
        }

        .site-header {
            position: sticky;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 600;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            transition: background-color .25s ease, box-shadow .25s ease;
        }

        .site-header.is-stuck {
            background: rgba(255, 255, 255, .98);
            box-shadow: 0 8px 30px rgba(21, 46, 44, .05);
        }

        .header-inner {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
            display: flex;
            align-items: center;
            gap: 14px;
            position: relative;
        }

        .nav-cluster {
            display: flex;
            align-items: center;
            gap: 26px;
            flex: 1;
            min-width: 0;
        }

        .site-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 11px;
            background: linear-gradient(135deg, var(--deep) 0%, var(--deep-2) 60%, #3E6A64 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(21, 46, 44, .18);
            flex-shrink: 0;
        }

        .logo-mark svg {
            width: 22px;
            height: 22px;
            display: block;
        }

        .logo-text {
            font-size: 21px;
            font-weight: 700;
            letter-spacing: -.01em;
            color: var(--text-main);
            line-height: 1.15;
            white-space: nowrap;
        }

        .logo-text b {
            font-weight: 700;
        }

        .logo-text em {
            font-style: normal;
            color: var(--accent);
        }

        .logo-official {
            font-size: 11px;
            line-height: 1;
            padding: 4px 8px;
            border-radius: var(--radius-pill);
            background: var(--gold-soft);
            color: #A9700A;
            border: 1px solid rgba(242, 181, 68, .35);
            font-weight: 600;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .main-nav a {
            position: relative;
            display: block;
            padding: 20px 13px;
            font-size: 14px;
            line-height: 1;
            font-weight: 500;
            color: #2A3A37;
            transition: color .2s;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 15px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--accent), var(--accent-orange));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .22s ease;
        }

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

        .main-nav a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .main-nav a.active::after {
            transform: scaleX(1);
        }

        .header-tools {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-tools .icon-btn {
            width: 38px;
            height: 38px;
        }

        .search-panel {
            display: none;
            position: absolute;
            right: 24px;
            top: calc(100% + 8px);
            width: min(420px, calc(100vw - 32px));
            background: #fff;
            border-radius: 16px;
            padding: 14px;
            box-shadow: 0 18px 44px rgba(21, 46, 44, .12);
            border: 1px solid var(--line);
            z-index: 50;
        }

        .search-panel.is-open {
            display: block;
        }

        .search-form {
            display: flex;
            gap: 10px;
        }

        .search-fields {
            position: relative;
            flex: 1;
        }

        .search-fields i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: var(--text-sub);
        }

        .search-fields input {
            width: 100%;
            height: 42px;
            border-radius: 10px;
            border: 1px solid rgba(21, 46, 44, .14);
            padding: 0 38px 0 40px;
            font-size: 14px;
            background: var(--bg);
            transition: border-color .2s, box-shadow .2s;
        }

        .search-fields input:focus {
            outline: none;
            background: #fff;
            border-color: rgba(230, 77, 46, .45);
            box-shadow: 0 0 0 3px rgba(230, 77, 46, .09);
        }

        .nav-burger {
            display: none;
        }

        .article-page-hero {
            background: linear-gradient(180deg, #FDFAF6 0%, var(--bg) 100%);
            border-bottom: 1px solid rgba(21, 46, 44, .05);
            padding: 42px 0 32px;
        }

        .breadcrumbs {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 18px;
        }

        .breadcrumbs a {
            color: var(--text-sub);
            transition: color .2s;
        }

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

        .breadcrumbs .crumb-sep {
            color: rgba(21, 46, 44, .28);
            font-size: 12px;
        }

        .breadcrumbs .crumb-current {
            color: var(--text-main);
            font-weight: 500;
            max-width: 420px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-page-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(230, 77, 46, .07);
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .article-page-title {
            font-size: clamp(28px, 4.2vw, 42px);
            line-height: 1.24;
            font-weight: 700;
            color: var(--text-main);
            max-width: 860px;
            letter-spacing: -.02em;
        }

        .article-page-intro {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 820px;
            margin-top: 12px;
        }

        .article-data-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 16px;
            margin-top: 24px;
            font-size: 13px;
            color: var(--text-sub);
        }

        .article-data-row .data-dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: rgba(21, 46, 44, .25);
            display: inline-block;
        }

        .article-data-row .channel-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-main);
            background: var(--gold-soft);
            border: 1px solid rgba(242, 181, 68, .3);
            padding: 4px 10px;
            border-radius: 99px;
            font-weight: 600;
        }

        .single-main {
            padding: 56px 0 80px;
        }

        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(21, 46, 44, .05);
            box-shadow: var(--shadow);
            padding: clamp(24px, 4vw, 54px);
            position: relative;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.95;
            color: #233230;
        }

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

        .article-body h2 {
            font-size: 25px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin: 44px 0 20px;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            border-radius: 2px;
        }

        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin: 32px 0 14px;
        }

        .article-body a {
            color: var(--accent);
            border-bottom: 1px solid rgba(230, 77, 46, .23);
            transition: border-color .2s;
        }

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

        .article-body ul,
        .article-body ol {
            margin: 0 0 28px;
            padding-left: 1.4em;
        }

        .article-body li {
            margin-bottom: 10px;
        }

        .article-body ul li::marker {
            color: var(--accent);
        }

        .article-body blockquote {
            margin: 32px 0;
            padding: 18px 24px;
            background: #FAF6F1;
            border-left: 4px solid var(--accent);
            border-radius: 0 12px 12px 0;
            color: #43524f;
            font-size: 15px;
            line-height: 1.85;
        }

        .article-body blockquote p {
            margin-bottom: 0;
        }

        .article-body img {
            border-radius: 14px;
            margin: 24px auto;
            max-width: 100%;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            font-size: 14px;
        }

        .article-body table th,
        .article-body table td {
            border-bottom: 1px solid var(--line);
            padding: 12px 14px;
            text-align: left;
        }

        .article-body table th {
            background: var(--gold-soft);
            font-weight: 600;
            color: var(--text-main);
        }

        .article-body table tr:last-child td {
            border-bottom: none;
        }

        .article-body pre {
            background: var(--deep);
            color: #DDE7E5;
            border-radius: 14px;
            padding: 20px 22px;
            overflow: auto;
            font-size: 13px;
            line-height: 1.7;
            margin: 26px 0;
        }

        .article-body code {
            background: rgba(21, 46, 44, .07);
            border-radius: 4px;
            padding: 2px 6px;
            font-size: .94em;
            font-family: "SFMono-Regular", Consolas, Menlo, monospace;
        }

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

        .article-return {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--line);
        }

        .article-return a {
            font-size: 14px;
            font-weight: 500;
        }

        .return-back {
            color: var(--text-sub);
            transition: color .2s;
        }

        .return-back:hover {
            color: var(--text-main);
        }

        .return-top {
            color: var(--accent);
            font-weight: 600;
        }

        .notfound-box {
            min-height: 300px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 30px 20px;
        }

        .notfound-icon {
            width: 72px;
            height: 72px;
            border-radius: 20px;
            background: var(--surface-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 22px;
        }

        .notfound-box h2 {
            font-size: 22px;
            margin-bottom: 10px;
        }

        .notfound-box p {
            color: var(--text-sub);
            max-width: 440px;
            margin-bottom: 24px;
            font-size: 14px;
        }

        .single-aside {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .widget-box {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 25px;
            border: 1px solid rgba(21, 46, 44, .06);
            box-shadow: 0 10px 24px rgba(21, 46, 44, .04);
        }

        .widget-box .widget-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .widget-box .widget-title::before {
            content: "";
            width: 4px;
            height: 16px;
            border-radius: 2px;
            background: linear-gradient(180deg, var(--accent), var(--accent-orange));
        }

        .widget-channel-box {
            background: linear-gradient(135deg, var(--deep), var(--deep-2));
            color: #fff;
            border: none;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
        }

        .widget-channel-box::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -50px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(242, 181, 68, .14);
        }

        .widget-channel-label {
            font-size: 12px;
            color: var(--gold);
            letter-spacing: .08em;
            margin-bottom: 8px;
            display: flex;
            gap: 8px;
        }

        .widget-channel-label i {
            font-size: 14px;
        }

        .widget-channel-name {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .widget-channel-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, .78);
            line-height: 1.8;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .widget-channel-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, .72);
        }

        .related-side-list {
            list-style: none;
            margin: 0;
        }

        .related-side-list li+li {
            border-top: 1px dashed var(--line);
        }

        .related-side-list li a {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            align-items: flex-start;
            transition: opacity .2s;
        }

        .related-side-list li a:hover {
            opacity: .72;
        }

        .related-side-list .side-no {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 9px;
            background: var(--bg);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
        }

        .related-side-list .side-title {
            font-size: 14px;
            line-height: 1.55;
            color: var(--text-main);
            font-weight: 500;
        }

        .side-chip-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .side-chip-list a {
            font-size: 12px;
            padding: 7px 13px;
            border-radius: 99px;
            background: var(--bg);
            border: 1px solid var(--line);
            color: var(--text-main);
            transition: all .2s;
        }

        .side-chip-list a:hover {
            background: rgba(230, 77, 46, .08);
            border-color: rgba(230, 77, 46, .3);
            color: var(--accent);
        }

        .related-section {
            background: linear-gradient(160deg, #0E2523, #193835);
            padding: 80px 0;
            color: #fff;
        }

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

        .related-kicker {
            font-size: 13px;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: .06em;
        }

        .related-title {
            font-size: clamp(24px, 3vw, 34px);
            margin-top: 8px;
            font-weight: 700;
            line-height: 1.3;
        }

        .related-section-link {
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            transition: color .2s;
        }

        .related-section-link:hover {
            color: #fff;
        }

        .related-grid {
            display: flex;
            gap: 24px;
        }

        .related-card {
            flex: 1;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            min-height: 270px;
            display: flex;
            align-items: flex-end;
            padding: 26px;
            transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
            box-shadow: 0 10px 28px rgba(0, 0, 0, .12);
        }

        .related-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 29, 28, .05) 0%, rgba(15, 29, 28, .72) 76%);
            z-index: 1;
        }

        .related-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .related-card:hover {
            transform: translateY(-5px);
            border-color: rgba(242, 181, 68, .48);
            box-shadow: 0 18px 38px rgba(0, 0, 0, .24);
        }

        .related-card .rc-inner {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .related-card .rc-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.48;
            margin-bottom: 8px;
        }

        .related-card .rc-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, .83);
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 360px;
        }

        .related-card .btn {
            padding: 0 16px;
            height: 38px;
        }

        .footer-cta {
            padding: 72px 0 88px;
        }

        .cta-band {
            background: linear-gradient(120deg, #E64D2E 0%, #E9662F 45%, #F0983D 100%);
            border-radius: var(--radius-lg);
            padding: clamp(34px, 5vw, 64px);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
            box-shadow: 0 18px 42px rgba(230, 77, 46, .2);
        }

        .cta-band::before {
            content: "";
            position: absolute;
            right: -30px;
            top: -70px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, .19);
        }

        .cta-band::after {
            content: "";
            position: absolute;
            right: 40px;
            bottom: -80px;
            width: 190px;
            height: 190px;
            border-radius: 50%;
            border: 22px solid rgba(255, 255, 255, .08);
        }

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

        .cta-content .cta-kicker {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            opacity: .88;
            margin-bottom: 10px;
            display: block;
        }

        .cta-content h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, .88);
            max-width: 560px;
            margin-bottom: 0;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
            flex-shrink: 0;
        }

        .site-footer {
            background: var(--footer-deep);
            color: rgba(255, 255, 255, .68);
            padding: 38px 0 22px;
            font-size: 14px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            display: block;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--gold) 70%, transparent 120%);
        }

        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            padding: 34px 0 30px;
        }

        .footer-top>div {
            flex: 1;
            min-width: 220px;
        }

        .footer-brand-txt {
            font-size: 23px;
            color: #fff;
            font-weight: 700;
            letter-spacing: -.01em;
            margin-bottom: 12px;
        }

        .footer-brand-txt i {
            color: var(--accent);
            font-style: normal;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .56);
            max-width: 360px;
        }

        .footer-title {
            color: #F6F2EC;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            display: grid;
            gap: 10px;
            font-size: 13px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .62);
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: #FFC9B9;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .09);
            padding: 22px 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 30px;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, .42);
            position: relative;
        }

        .back-top {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .13);
            color: rgba(255, 255, 255, .8);
            transition: background .2s, transform .2s;
        }

        .back-top:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }

        @media (max-width: 1023px) {
            .header-inner {
                padding: 0 16px;
            }

            .nav-cluster {
                display: none;
                position: fixed;
                left: 12px;
                top: 70px;
                right: 12px;
                background: #fff;
                border-radius: 18px;
                border: 1px solid var(--line);
                box-shadow: 0 20px 50px rgba(21, 46, 44, .14);
                padding: 18px 20px;
                z-index: 80;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .nav-cluster.is-open {
                display: flex;
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 2px;
            }

            .main-nav a {
                padding: 12px 8px;
                border-radius: 9px;
            }

            .main-nav a::after {
                display: none;
            }

            .main-nav a.active {
                background: rgba(230, 77, 46, .08);
            }

            .nav-burger {
                display: inline-flex;
            }

            .header-tools .header-cta .btn-label {
                display: none;
            }

            .header-tools .header-cta {
                width: 40px;
                padding: 0;
                justify-content: center;
                border-radius: 12px;
            }

            .related-grid {
                flex-direction: column;
            }

            .related-card {
                min-height: 220px;
            }

            .single-main {
                padding: 40px 0 64px;
            }

            .article-card {
                margin-bottom: 24px;
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: 15px;
                width: 100%;
                overflow-x: hidden;
            }

            .header-inner {
                height: 60px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                border-radius: 10px;
            }

            .logo-mark svg {
                width: 19px;
                height: 19px;
            }

            .logo-official {
                display: none;
            }

            .article-page-hero {
                padding: 30px 0 26px;
            }

            .breadcrumbs {
                font-size: 12px;
            }

            .article-page-title {
                font-size: 28px;
                line-height: 1.34;
            }

            .article-data-row {
                gap: 8px 12px;
                margin-top: 18px;
            }

            .single-main {
                padding: 30px 0 50px;
            }

            .article-card {
                border-radius: 18px;
                padding: 22px 18px;
            }

            .article-body h2 {
                font-size: 21px;
                margin: 34px 0 16px;
            }

            .article-data-row .data-dot {
                display: none;
            }

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

            .related-card {
                min-height: 0;
            }

            .footer-cta {
                padding: 44px 0 60px;
            }

            .cta-band {
                padding: 26px 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-buttons {
                width: 100%;
            }

            .cta-buttons .btn {
                flex: 1;
            }

            .footer-top {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .footer-top>div {
                min-width: 0;
            }

            .footer-top>div:first-child {
                grid-column: 1 / -1;
            }

            .footer-links {
                gap: 8px;
                font-size: 12px;
            }

            .footer-bottom {
                padding-bottom: 14px;
            }
        }

        @media (max-width: 520px) {
            .footer-top {
                grid-template-columns: 1fr;
            }

            .footer-top>div:first-child {
                grid-column: auto;
            }

            .header-tools .search-btn {
                display: none;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .hide-on-sm {
                display: none !important;
            }

            .btn-label-sm-hide {
                display: inline;
            }
        }

/* roulang page: category3 */
:root {
    --bg-base: #F8F7F3;
    --bg-card: #FFFFFF;
    --bg-soft: #F2EFE9;
    --bg-deep: #152E2C;
    --bg-deeper: #0F1D1C;
    --text-main: #172220;
    --text-sub: #6D7A76;
    --text-light: #A0ACA8;
    --accent-coral: #E64D2E;
    --accent-amber: #F2B544;
    --accent-orange: #F0874B;
    --gradient-main: linear-gradient(135deg, #E64D2E 0%, #F0874B 100%);
    --gradient-dark: linear-gradient(135deg, #152E2C 0%, #2A4B47 100%);
    --border-light: #E7E2DA;
    --shadow-card: 0 10px 30px rgba(21,46,44,0.08);
    --shadow-hover: 0 16px 36px rgba(21,46,44,0.14);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --radius-pill: 99px;
    --space-section: 96px;
    --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg-base);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input { font-family: inherit; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; position: relative; }

/* ===== 导航 ===== */
.site-header {
    background: rgba(248,247,243,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(231,226,218,0.7);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 20px;
}
.brand-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-logo {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--gradient-dark);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-amber);
    font-size: 16px;
    flex-shrink: 0;
}
.brand-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.2px;
    white-space: nowrap;
}
.brand-text .badge-official {
    display: inline-block;
    background: rgba(242,181,68,0.16);
    color: #B47D14;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
    vertical-align: 2px;
    letter-spacing: 0.5px;
}
.nav-center {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}
.nav-center a {
    display: block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-sub);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    position: relative;
}
.nav-center a:hover { color: var(--text-main); background: rgba(0,0,0,0.04); }
.nav-center a.active {
    color: var(--text-main);
    font-weight: 600;
}
.nav-center a.active::after {
    content: '';
    position: absolute;
    bottom: 2px; left: 16px; right: 16px;
    height: 2px;
    background: var(--accent-coral);
    border-radius: 2px;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.btn-header {
    background: var(--gradient-main);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(230,77,46,0.25);
}
.btn-header:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(230,77,46,0.35); }
.btn-header:active { transform: translateY(0); }

.mobile-toggle {
    display: none;
    width: 40px; height: 40px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-main);
    cursor: pointer;
    transition: background 0.2s;
}
.mobile-toggle:hover { background: rgba(0,0,0,0.05); }

/* ===== 面包屑 ===== */
.breadcrumb-bar {
    padding: 18px 0 0;
    font-size: 13px;
    color: var(--text-light);
}
.breadcrumb-bar a { color: var(--text-sub); transition: color 0.2s; }
.breadcrumb-bar a:hover { color: var(--accent-coral); }
.breadcrumb-bar .sep { margin: 0 8px; color: #BBB; font-size: 11px; }
.breadcrumb-bar .current { color: var(--text-sub); font-weight: 500; }

/* ===== 分类 Hero ===== */
.cat-hero {
    padding: 44px 0 36px;
    position: relative;
    margin-bottom: 0;
}
.cat-hero .grid-x {
    align-items: flex-end;
}
.eyebrow-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(230,77,46,0.08);
    color: var(--accent-coral);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 14px;
    letter-spacing: 0.3px;
}
.eyebrow-tag i { font-size: 11px; }
.category-h1 {
    font-size: 38px;
    line-height: 1.25;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.3px;
}
.category-desc-inline {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    max-width: 560px;
    margin-left: auto;
    padding-left: 20px;
    border-left: 2px solid var(--border-light);
}
.cat-hero-stats {
    display: flex;
    gap: 28px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}
.stat-item-number {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 2px;
}
.stat-item-number i { color: var(--accent-coral); }
.stat-item-label {
    font-size: 13px;
    color: var(--text-sub);
    margin-top: 2px;
}

/* ===== 分类标签行 ===== */
.tag-filter-row {
    background: #fff;
    padding: 20px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 40px;
}
.tag-filter-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.tag-filter {
    display: inline-block;
    padding: 8px 20px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-sub);
    background: var(--bg-soft);
    transition: all 0.2s ease;
}
.tag-filter:hover { background: #E9E4DB; color: var(--text-main); }
.tag-filter.current {
    background: var(--text-main);
    color: #fff;
    font-weight: 600;
}
.tag-filter.current:hover { background: var(--text-main); }

/* ===== 正文通用间距 ===== */
.page-main {
    padding-bottom: var(--space-section);
}
.section-block {
    margin-bottom: var(--space-section);
}
.section-block:last-child { margin-bottom: 0; }
.section-title-wrap {
    margin-bottom: 36px;
    display: flex;
    align-items: flex-end;
    gap: 16px;
}
.section-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-main);
}
.section-subtitle {
    font-size: 14px;
    color: var(--text-sub);
    max-width: 420px;
}

/* 序号圆 */
.feature-circle-badge {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--gradient-main);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    margin-right: 12px;
    flex-shrink: 0;
}

/* ===== 品牌频道精选分类 ===== */
.cat-grid-row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
}
.cat-card-broad {
    grid-column: span 12;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border: 1px solid rgba(231,226,218,0.6);
    display: flex;
    flex-direction: column;
}
.cat-card-broad:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

/* 条目行 */
.info-list-bordered {
    border-top: 1px solid var(--border-light);
}
.info-item {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: background 0.2s;
    background: var(--bg-card);
}
.info-item:hover { background: #FBFAF6; }
.info-thumb {
    width: 68px; height: 48px;
    border-radius: 8px;
    flex-shrink: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #E9E4DB, #F7F3EB);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-light);
    font-size: 16px;
}
.info-thumb img { width: 100%; height: 100%; object-fit: cover; }
.info-body {
    flex: 1;
    min-width: 0;
}
.info-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-main);
    display: block;
    transition: color 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.info-item:hover .info-title { color: var(--accent-coral); }
.info-meta {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.info-cat-tag {
    font-size: 11px;
    color: var(--accent-coral);
    background: rgba(230,77,46,0.06);
    padding: 1px 8px;
    border-radius: 4px;
    display: inline-block;
}
span.arrow-link:after {
    content: '→';
    margin-left: 4px;
    transition: margin 0.2s;
}
.info-item:hover .arrow-link:after { margin-left: 8px; }

/* 1+2 三卡片带 */
.hero-card-big {
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    padding: 32px;
    color: #fff;
    position: relative;
    overflow: hidden;
    grid-column: span 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
    border: 1px solid rgba(255,255,255,0.08);
}

/* ===== 品牌焦点 ===== */
.brand-feature {
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    padding: 48px;
    color: #fff;
    display: grid;
    grid-template-columns: repeat(12,1fr);
    gap: 28px;
}
.brand-feature-left { grid-column: span 6; }
.brand-feature-right { grid-column: span 6; flex: 1; display: flex; align-items: center; justify-content: center; }
.brand-feature-right img { max-height: 300px; width: 100%; object-fit: cover; border-radius: 14px; }
.bf-kicker {
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-amber);
    display: block;
    margin-bottom: 12px;
}
.bf-title { font-size: 26px; font-weight: 700; line-height: 1.4; margin-bottom: 16px; }
.lead-line { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.72); margin-bottom: 16px; }
.lead-line-secondary { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.72); margin-bottom: 24px; max-width: 320px; }
.bf-btn {
    display: inline-block;
    background: #fff;
    color: var(--text-main);
    font-weight: 600;
    font-size: 13px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    margin-top: 8px;
    transition: all 0.3s ease;
}
.bf-btn:hover { transform: translateY(-2px); background: rgba(255,255,255,0.9); }
.goldBtn {
    background: var(--accent-amber);
    color: #152E2C;
    font-weight: 600;
    font-size: 13px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    display: inline-block;
    transition: all 0.3s ease;
}
.goldBtn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(242,181,68,0.3); }

/* 轻量内容摘要 */
.note-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.note-box {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-sub);
}
.note-box strong { display: block; color: var(--text-main); font-size: 15px; margin-bottom: 6px; }

/* ===== FAQ ===== */
.faq-section {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 48px;
    margin-top: 12px;
}
.faq-list .faq-item {
    border-bottom: 1px solid #eee;
}

/* ===== CTA ===== */
.brand-cta-wrapper {
    padding: 32px 0 0;
}
.brand-cta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 36px 40px;
    border-radius: var(--radius-lg);
    background: var(--gradient-main);
    color: #fff;
    position: relative;
    overflow: hidden;
    flex-wrap: wrap;
}
.brand-cta h2 { margin-bottom: 6px; font-size: 28px; font-weight: 700; color: #fff; }
.brand-cta p { font-size: 14px; color: rgba(255,255,255,0.9); margin-bottom: 0; }
.brand-cta a {
    background: #fff;
    color: var(--accent-coral);
    border-radius: 40px;
    padding: 10px 28px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.2s;
    white-space: nowrap;
}
.brand-cta a:hover { transform: scale(1.04); }

/* ===== 页脚 ===== */
.site-footer {
    background: #0F1D1C;
    color: rgba(255,255,255,0.72);
    padding: 56px 0 28px;
    margin-top: 40px;
}
footer a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
footer a:hover { color: #fff; }
.footer-top {
    display: grid;
    grid-template-columns: repeat(12,1fr);
    gap: 36px;
}
.footer-col-brand { grid-column: span 5; }
.footer-col { grid-column: span 3; }
.footer-brand-txt { font-weight: 700; margin-bottom: 12px; color: #fff; font-size: 19px; }
.footer-desc { font-size: 13px; line-height: 1.9; color: rgba(255,255,255,0.52); max-width: 340px; }
.footer-title { color: #fff; font-weight: 600; font-size: 15px; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; }
.footer-bottom {
    margin-top: 40px;
    padding: 18px 0 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 12px;
    color: rgba(255,255,255,0.42);
    display: flex;
    justify-content: space-between;
}

/* 自定义组件 */
.stat-delta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.68); }
.stat-delta .num { color: var(--accent-amber); font-weight: 700; background: transparent; }
.brand-sign { display: flex; align-items: center; gap: 10px; }
.back-top {
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    transition: all 0.2s;
}
.back-top:hover { background: rgba(255,255,255,0.1); color: #fff; }

.media-feature-cover {
    position: relative;
    width: 100%;
}
.media-feature-cover .cover-img {
    height: 180px;
    width: 100%;
    background-size: cover;
    background-position: center;
}

/* 各功能区块底纹背景 */
.section-bg-soft { background: var(--bg-soft); border-radius: var(--radius-lg); padding: 40px; }

/* ===== Hero big ===== */
.hero-cover { display: none; }

/* 响应式 */
@media screen and (max-width: 1023px) {
    .brand-text { font-size: 15px; }
    .section-title{ font-size: 24px;}
    .brand-cta a { margin-top: 16px; }
    .nav-center { gap: 0px; }
    .nav-center a { padding: 8px 10px; font-size: 13px; }
}
@media screen and (max-width: 639px) {
    body { font-size: 14px; }
    .container { padding: 0 16px; }
    .header-inner { flex-wrap: wrap; height: auto; padding: 8px 0; gap: 8px; }
    .brand-wrap{ flex:1}
    .mobile-toggle { display: inline-flex; }
    .nav-center {
        flex-basis: 100%;
        display: none;
        flex-direction: row;
        overflow-x: auto;
        padding: 4px 0 0;
        width: 100%;
    }
    .nav-center.open { display: flex; }
    .nav-center a { white-space: nowrap; padding: 8px 10px; font-size: 14px; }
    .nav-center a.active::after { left: 12px; right: 12px; }
    .category-h1{ font-size: 32px; }
    .hero-cover { display: none; }
    .cat-hero { padding: 28px 0 20px; }
    .cat-hero-stats { flex-wrap: wrap; gap: 12px; }
    .stat-box { width: calc(50% - 12px); }
    .cat-cards-list { gap: 16px; }
    .cat-cards-list.grid-x > .cell { flex: 0 0 100%; max-width: 100%; }
    .info-item { padding: 14px 12px; flex-wrap: nowrap; }
    .brand-feature { padding: 24px 20px; grid-template-columns: repeat(1,1fr); }
    .brand-feature-left, .brand-feature-right { grid-column: span 1; }
    .brand-feature-right img { max-height: 180px; }
    .faq-section { padding: 24px 16px; }
    .brand-cta { padding: 24px 16px; flex-direction: column; align-items: flex-start; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-col-brand { grid-column: span 2; }
    .footer-col { grid-column: span 1; }
    .note-row { grid-template-columns: 1fr; }
    .footer-bottom{ flex-wrap: wrap; gap: 6px; }
}

@media(max-width:1023px){
    .xl-hide,.xl-show{display:block}
    .cat-cards-grid .grid-x {display:flex; flex-wrap:wrap}
}

/* roulang page: category2 */
:root {
            --bg: #F8F7F3;
            --surface: #FFFFFF;
            --soft: #F2EFE9;
            --paper: #FBF9F4;
            --ink: #172220;
            --muted: #6D7A76;
            --line: #E4DED2;
            --brand: #E64D2E;
            --brand-2: #F0874B;
            --gold: #F2B544;
            --deep: #152E2C;
            --deep-2: #2A4B47;
            --footer: #0F1D1C;
            --shadow-sm: 0 10px 30px rgba(21, 46, 44, 0.08);
            --shadow-lg: 0 16px 36px rgba(21, 46, 44, 0.14);
            --radius-lg: 24px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --space-section: clamp(64px, 7vw, 104px);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            background: var(--bg);
            color: var(--ink);
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        .grid-container {
            max-width: 1320px;
            padding-right: clamp(20px, 4vw, 44px);
            padding-left: clamp(20px, 4vw, 44px);
            margin-right: auto;
            margin-left: auto;
            width: 100%;
        }

        .grid-x {
            display: flex;
            flex-flow: row wrap;
        }

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

        a {
            color: var(--brand);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .skip-link {
            position: absolute;
            left: -999px;
            top: 0;
            z-index: 9999;
            background: var(--ink);
            color: #fff;
            padding: 10px 16px;
            border-radius: 0 0 12px 0;
        }

        .skip-link:focus {
            left: 0;
            color: #fff;
        }

        h1,
        h2,
        h3,
        h4,
        p,
        ul,
        ol,
        figure {
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4 {
            color: var(--ink);
            line-height: 1.3;
            font-weight: 700;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 247, 243, 0.92);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(21, 46, 44, 0.08);
            transition: box-shadow 0.25s ease, background 0.25s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 10px 30px rgba(21, 46, 44, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 64px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ink);
            flex-shrink: 0;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand), var(--brand-2));
            color: #fff;
            font-size: 14px;
            box-shadow: 0 6px 16px rgba(230, 77, 46, 0.25);
        }

        .brand-txt {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.2px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .brand-badge {
            display: inline-block;
            padding: 2px 7px;
            border-radius: 99px;
            background: rgba(242, 181, 68, 0.2);
            color: #b2750e;
            font-size: 11px;
            font-weight: 600;
            line-height: 1.4;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .main-nav a {
            position: relative;
            display: inline-block;
            padding: 0 15px;
            color: #35423f;
            font-size: 14px;
            font-weight: 500;
            line-height: 64px;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            border-radius: 3px;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }

        .main-nav a:hover {
            color: var(--brand);
        }

        .main-nav a.active {
            color: var(--brand);
            font-weight: 600;
        }

        .main-nav a.active::after {
            transform: scaleX(1);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            width: 180px;
            height: 38px;
            padding: 0 12px;
            background: #fff;
            border: 1px solid #e0dbd0;
            border-radius: 99px;
            color: #93a19c;
            gap: 8px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .header-search:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(242, 181, 68, 0.2);
        }

        .header-search input {
            width: 100%;
            min-width: 0;
            border: 0;
            background: transparent;
            outline: none;
            color: var(--ink);
            font-size: 13px;
        }

        .header-search input::placeholder {
            color: #a2aea9;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            background: transparent;
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            text-decoration: none;
            transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand), var(--brand-2));
            color: #fff;
            box-shadow: 0 8px 20px rgba(230, 77, 46, 0.22);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #f35a39, #ff9a61);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(230, 77, 46, 0.26);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-outline {
            background: var(--surface);
            border: 1px solid #cfc9bd;
            color: var(--ink);
        }

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

        .btn-ghost-light {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.45);
            color: #fff;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: #fff;
            color: #fff;
        }

        .btn-sm {
            min-height: 38px;
            padding: 0 15px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn-lg {
            min-height: 54px;
            padding: 0 30px;
            font-size: 16px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid #dcd6ca;
            border-radius: 10px;
            background: #fff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .nav-toggle span,
        .nav-toggle span::before,
        .nav-toggle span::after {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--ink);
            border-radius: 3px;
            position: relative;
            transition: transform 0.2s ease;
        }

        .nav-toggle span::before,
        .nav-toggle span::after {
            content: "";
            position: absolute;
            left: 0;
        }

        .nav-toggle span::before {
            top: -6px;
        }

        .nav-toggle span::after {
            top: 6px;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            background:
                radial-gradient(circle at 88% 4%, rgba(242, 181, 68, 0.14), transparent 26%),
                radial-gradient(circle at 96% 42%, rgba(230, 77, 46, 0.08), transparent 28%),
                linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
            padding: clamp(48px, 7vw, 92px) 0 60px;
            border-bottom: 1px solid rgba(21, 46, 44, 0.05);
        }

        .crumb {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 22px;
            font-size: 13px;
            color: var(--muted);
        }

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

        .crumb a:hover {
            color: var(--brand);
        }

        .crumb .current {
            color: var(--ink);
            font-weight: 500;
        }

        .cat-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 22px;
        }

        .cat-tabs a,
        .cat-tabs span {
            display: inline-flex;
            align-items: center;
            min-height: 36px;
            padding: 0 15px;
            border-radius: 99px;
            background: #fff;
            border: 1px solid #dfd9ce;
            color: var(--muted);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .cat-tabs a:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .cat-tabs .active {
            background: var(--ink);
            border-color: var(--ink);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 8px 18px rgba(21, 46, 44, 0.14);
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .hero-kicker::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--brand);
            border-radius: 3px;
        }

        .page-title {
            font-size: clamp(42px, 5.4vw, 72px);
            font-weight: 800;
            letter-spacing: -1.5px;
            line-height: 1.08;
            margin-bottom: 18px;
        }

        .hero-lead {
            font-size: 16px;
            line-height: 1.85;
            color: #46534f;
            max-width: 620px;
            margin-bottom: 28px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-bottom: 28px;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 13px;
            color: var(--muted);
        }

        .hero-meta-item i {
            color: var(--gold);
        }

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

        .hero-media {
            position: relative;
        }

        .media-frame {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            background: linear-gradient(135deg, var(--deep), var(--deep-2));
            box-shadow: 0 22px 48px rgba(21, 46, 44, 0.16);
            aspect-ratio: 4 / 3;
        }

        .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.96;
        }

        .media-note {
            position: absolute;
            left: 18px;
            bottom: 18px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            background: rgba(21, 46, 44, 0.82);
            backdrop-filter: blur(6px);
            border-radius: 99px;
            color: #fff;
            font-size: 12px;
            letter-spacing: 0.4px;
        }

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

        /* ===== Section frames ===== */
        .section {
            padding: var(--space-section) 0;
        }

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

        .section-light {
            background: var(--paper);
        }

        .section-head {
            max-width: 760px;
            margin: 0 0 42px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: 1px;
            color: var(--brand);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(28px, 3.2vw, 38px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            color: var(--ink);
        }

        .section-sub {
            margin-top: 14px;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ===== Approach 2 col with side panel ===== */
        .approach-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: clamp(28px, 5vw, 72px);
            align-items: center;
        }

        .value-list {
            list-style: none;
            margin-top: 26px;
            display: grid;
            gap: 15px;
        }

        .value-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: #45514d;
        }

        .value-list li i {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: 4px;
            background: rgba(242, 181, 68, 0.16);
            color: #b0770e;
            border-radius: 50%;
            font-size: 12px;
        }

        .channel-panel {
            background: linear-gradient(135deg, var(--deep), var(--deep-2));
            border-radius: var(--radius-lg);
            padding: clamp(26px, 3.5vw, 42px);
            color: #eef4f1;
            box-shadow: 0 18px 36px rgba(21, 46, 44, 0.1);
        }

        .channel-panel h3 {
            color: #fff;
            font-size: 22px;
            margin-bottom: 22px;
        }

        .channel-panel .map-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
        }

        .channel-panel .map-row:last-child {
            border-bottom: 0;
        }

        .channel-panel .map-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: #fff;
        }

        .channel-panel .map-label i {
            color: var(--gold);
        }

        .channel-panel .map-desc {
            color: #a9bab5;
            font-size: 13px;
            text-align: right;
        }

        /* ===== Resource deck dark ===== */
        .resource-band {
            background:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(135deg, #142A29, #244441);
            background-size: 44px 44px, 44px 44px, auto;
            color: #fff;
            padding: var(--space-section) 0;
        }

        .resource-band .section-title,
        .resource-band .section-sub {
            color: #fff;
        }

        .resource-band .section-sub {
            color: #afc2bd;
        }

        .resource-band .eyebrow {
            color: var(--gold);
        }

        .resource-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
            align-items: stretch;
        }

        .deck-card {
            background: var(--surface);
            border-radius: 20px;
            overflow: hidden;
            color: var(--ink);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .deck-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 22px 44px rgba(0, 0, 0, 0.2);
        }

        .deck-card .card-img {
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, #dfe2dc, #cfd6cf);
        }

        .deck-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deck-card .card-body {
            padding: 24px;
        }

        .deck-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 77, 46, 0.1);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 99px;
            margin-bottom: 12px;
        }

        .deck-card h3 {
            color: var(--ink);
            font-size: 20px;
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .deck-card p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .stack-grid {
            display: grid;
            gap: 24px;
        }

        .stack-grid .card-img {
            aspect-ratio: 16 / 8.6;
        }

        /* ===== Process ===== */
        .process-band {
            background: var(--paper);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            counter-reset: step;
        }

        .process-card {
            position: relative;
            background: var(--surface);
            border: 1px solid #ebe4d9;
            border-radius: 18px;
            padding: 24px 22px 22px;
            transition: transform 0.22s ease, box-shadow 0.22s ease;
            overflow: hidden;
        }

        .process-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--brand), var(--gold));
            opacity: 0;
            transition: opacity 0.2s ease;
        }

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

        .process-card:hover::before {
            opacity: 1;
        }

        .process-card .step-count {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 9px;
            background: rgba(230, 77, 46, 0.1);
            color: var(--brand);
            font-size: 13px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            margin-bottom: 16px;
        }

        .process-card h3 {
            font-size: 17px;
            margin-bottom: 10px;
        }

        .process-card p {
            color: var(--muted);
            font-size: 13.5px;
            line-height: 1.75;
        }

        /* ===== Overview panel ===== */
        .overview-panel {
            display: grid;
            grid-template-columns: 0.78fr 1.3fr;
            gap: 40px;
            border: 1px solid #e5ddce;
            background: var(--paper);
            border-radius: var(--radius-lg);
            padding: clamp(28px, 4vw, 54px);
        }

        .overview-panel h2 {
            font-size: clamp(24px, 2.4vw, 32px);
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .overview-panel p {
            color: #4C5A56;
            line-height: 1.9;
            font-size: 15px;
        }

        .overview-note {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px dashed #dbd3c7;
        }

        .overview-note i {
            flex-shrink: 0;
            color: var(--brand);
            font-size: 16px;
            margin-top: 5px;
        }

        .overview-note strong {
            display: block;
            font-size: 15px;
            margin-bottom: 3px;
        }

        .overview-note span {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
        }

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

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            margin-bottom: 14px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            overflow: hidden;
        }

        .faq-item.open {
            border-color: #ded3c4;
            box-shadow: 0 10px 28px rgba(21, 46, 44, 0.06);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            text-align: left;
            border: 0;
            background: transparent;
            color: var(--ink);
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: color 0.2s ease;
        }

        .faq-q:hover {
            color: var(--brand);
        }

        .faq-q i {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(230, 77, 46, 0.08);
            color: var(--brand);
            font-size: 13px;
            transition: transform 0.25s ease, background 0.2s ease, color 0.2s ease;
        }

        .faq-item.open .faq-q i {
            transform: rotate(135deg);
            background: var(--brand);
            color: #fff;
        }

        .faq-a {
            display: none;
            padding: 0 24px 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA Band ===== */
        .cta-band {
            padding: 0 0 clamp(72px, 7vw, 110px);
            background: var(--bg);
        }

        .cta-box {
            position: relative;
            overflow: hidden;
            padding: clamp(36px, 5vw, 62px);
            border-radius: 28px;
            background: linear-gradient(120deg, #e64d2e, #f08a4c);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            box-shadow: 0 22px 44px rgba(230, 77, 46, 0.18);
        }

        .cta-box::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }

        .cta-box h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 36px);
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.92);
            line-height: 1.8;
            max-width: 580px;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            flex-shrink: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer);
            color: #aab8b3;
            padding: 54px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.9fr;
            gap: 48px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.09);
        }

        .footer-brand-txt {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .footer-desc {
            color: #93a39e;
            font-size: 14px;
            max-width: 420px;
            line-height: 1.85;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            color: #aab8b3;
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 24px 0 22px;
            font-size: 13px;
            color: #83938e;
        }

        .back-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: #c5d2ce;
            font-size: 13px;
        }

        .back-top:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .header-search {
                width: 140px;
            }

            .main-nav a {
                padding: 0 11px;
                font-size: 13.5px;
            }
        }

        @media (max-width: 1024px) {
            .main-nav a {
                padding: 0 9px;
            }

            .header-tools .btn-sm {
                display: none;
            }

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

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

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

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-box {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 900px) {
            .header-tools {
                margin-left: auto;
            }

            .header-search {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .main-nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-bottom: 1px solid var(--line);
                box-shadow: 0 18px 40px rgba(21, 46, 44, 0.1);
                padding: 8px 0 14px;
                z-index: 1000;
            }

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

            .main-nav a {
                line-height: 1.4;
                padding: 14px 26px;
                border-bottom: 1px solid #f0ede7;
                color: #293532;
            }

            .main-nav a:last-child {
                border-bottom: 0;
            }

            .main-nav a::after {
                display: none;
            }

            .main-nav a.active {
                background: rgba(230, 77, 46, 0.07);
                color: var(--brand);
            }

            .hero-media {
                margin-top: 36px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 700px) {
            .brand-txt {
                font-size: 16px;
            }

            .brand-txt .brand-badge {
                display: none;
            }

            .cat-hero {
                padding-top: 40px;
            }

            .cat-tabs {
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
            }

            .cat-tabs a,
            .cat-tabs span {
                flex-shrink: 0;
            }

            .page-title {
                font-size: 38px;
            }

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

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

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

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

            .resource-band {
                background-size: 26px 26px, 26px 26px, auto;
            }

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

            .overview-panel {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 26px 22px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

        @media (max-width: 520px) {
            .brand-icon {
                width: 28px;
                height: 28px;
            }

            .brand-txt {
                font-size: 15px;
            }

            .header-inner {
                gap: 8px;
            }

            .section-head {
                margin-bottom: 30px;
            }

            .hero-meta {
                gap: 10px;
            }

            .cta-box {
                padding: 28px 22px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

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

        :focus-visible {
            outline: 3px solid rgba(242, 181, 68, 0.45);
            outline-offset: 2px;
        }