/* roulang page: index */
:root {
    --primary: #0B6B4F;
    --primary-dark: #084733;
    --primary-light: #178A66;
    --accent: #F26A21;
    --accent-dark: #D95714;
    --bg: #F5F7F4;
    --white: #FFFFFF;
    --title: #16261F;
    --text: #40544B;
    --muted: #71827B;
    --border: #DFE8E3;
    --radius-card: 14px;
    --radius-img: 12px;
    --radius-btn: 8px;
    --radius-pill: 999px;
    --shadow: 0 8px 24px rgba(8, 71, 51, 0.08);
    --shadow-lg: 0 18px 40px rgba(8, 71, 51, 0.12);
    --space-section: 88px;
    --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--title); line-height: 1.3; font-weight: 700; }
button, input, select, textarea { font-family: inherit; font-size: 100%; }
.container-x { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.grid-container { max-width: 1200px; }

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

.clearfix::before, .clearfix::after { content: ""; display: table; clear: both; }

/* 通用 section 头 */
.section-head { margin-bottom: 46px; max-width: 780px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(242, 106, 33, 0.10);
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 14px;
}
.section-head h2 { font-size: 30px; line-height: 1.3; letter-spacing: -.01em; }
.section-head .section-desc { margin-top: 12px; color: var(--muted); font-size: 16px; max-width: 640px; }
.section-head.center .section-desc { margin-left: auto; margin-right: auto; }

.section-subnote {
    color: var(--muted);
    font-size: 14px;
    margin-top: 8px;
}

.badge {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    line-height: 1.5;
    background: rgba(11, 107, 79, 0.10);
    color: var(--primary);
}
.badge.bg-accent { background: var(--accent); color: #fff; }
.badge.bg-soft-accent { background: rgba(242, 106, 33, 0.14); color: var(--accent-dark); }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 26px;
    border-radius: var(--radius-btn);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
    line-height: 1.5;
    text-align: center;
    min-height: 46px;
}
.btn i { font-size: 15px; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 16px rgba(242, 106, 33, 0.26); }
.btn-primary:hover, .btn-primary:focus { background: var(--accent-dark); color: #fff; box-shadow: 0 8px 22px rgba(242, 106, 33, 0.30); transform: translateY(-2px); outline: none; }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(242, 106, 33, 0.20); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.72); }
.btn-outline:hover, .btn-outline:focus { background: rgba(255,255,255,0.10); color: #fff; border-color: #fff; transform: translateY(-2px); outline: none; }
.btn-outline:active { transform: translateY(0); }
.btn-ghost { background: #fff; color: var(--primary); border-color: var(--border); }
.btn-ghost:hover, .btn-ghost:focus { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost:active { transform: translateY(0); }

/* 焦点状态全局 */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid rgba(242, 106, 33, 0.60);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ===== Header ===== */
.site-header { background: #fff; border-bottom: 1px solid var(--border); }
.brand-bar { width: 100%; height: 60px; display: flex; align-items: center; }
.brand-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 16px; }
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: linear-gradient(145deg, var(--primary-light), var(--primary-dark));
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 10px rgba(8, 71, 51, 0.25);
}
.logo-text {
    color: var(--title);
    font-size: 21px;
    font-weight: 800;
    letter-spacing: .01em;
    white-space: nowrap;
    display: flex;
    align-items: baseline;
    gap: 5px;
}
.logo-text small { color: var(--primary); font-size: 13px; font-weight: 600; }
.brand-tools { display: flex; align-items: center; gap: 18px; }
.brand-tools .external-link { font-size: 14px; font-weight: 500; color: var(--muted); transition: color .2s ease; }
.brand-tools .external-link:hover { color: var(--primary); }

/* 频道行 */
.channel-bar {
    background: var(--primary-dark);
    height: 46px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-top: 1px solid rgba(255,255,255,0.04);
    box-shadow: 0 2px 10px rgba(8, 71, 51, 0.18);
}
.channel-inner { display: flex; align-items: center; width: 100%; gap: 0; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.channel-inner::-webkit-scrollbar { display: none; }
.channel-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.72);
    font-size: 15px;
    font-weight: 500;
    padding: 0 22px;
    height: 46px;
    line-height: 46px;
    position: relative;
    flex-shrink: 0;
    transition: color .2s ease, background .2s ease;
    border-right: 1px solid rgba(255,255,255,0.06);
}
.channel-item:hover { color: #fff; background: rgba(255,255,255,0.10); }
.channel-item.active { color: #fff; font-weight: 600; }
.channel-item.active::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 0; height: 3px; background: var(--accent); border-radius: 3px 3px 0 0; }
.channel-spacer { margin-left: auto; }

/* ===== Hero ===== */
.hero-section {
    position: relative;
    background: linear-gradient(118deg, rgba(8, 71, 51, 0.96) 0%, rgba(11, 107, 79, 0.90) 60%, rgba(11, 107, 79, 0.76) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    padding: 98px 0 100px;
    min-height: 620px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-section::before {
    content: "";
    pointer-events: none;
    position: absolute;
    top: 10%;
    right: -3%;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.12);
}
.hero-section::after {
    content: "";
    pointer-events: none;
    position: absolute;
    bottom: -140px;
    left: 14%;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    border: 1px dashed rgba(255,255,255,0.10);
}
.hero-kicker {
    display: inline-flex;
    align-items: center;
    color: rgba(255,255,255,0.86);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.16);
    font-size: 14px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    gap: 10px;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}
.hero-kicker .badge-light { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; }
.hero-title {
    font-size: 44px;
    line-height: 1.22;
    color: #fff;
    max-width: 660px;
    letter-spacing: -.01em;
    margin-bottom: 22px;
    font-weight: 800;
}
.hero-title .accent-text { color: var(--accent); }
.hero-sub {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255,255,255,0.86);
    max-width: 570px;
    margin-bottom: 36px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.hero-note {
    position: relative;
    z-index: 2;
    background: rgba(255,255,255,0.96);
    border-radius: 18px;
    padding: 26px;
    box-shadow: 0 20px 48px rgba(0,0,0,0.20);
    max-width: 420px;
    margin-left: auto;
    transform: rotate(1.2deg);
}
.hero-note-title { font-size: 18px; font-weight: 700; color: var(--title); margin-bottom: 14px; display: flex; align-items: center; gap: 7px; }
.hero-note-title i { color: var(--accent); }
.hero-note-item {
    display: flex;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
    color: var(--text);
}
.hero-note-item:last-child { border-bottom: 0; }
.hero-note-item i { color: var(--primary); font-size: 16px; margin-top: 3px; }
.hero-note-link { margin-top: 14px; display: block; text-align: right; font-size: 13px; color: var(--primary); font-weight: 600; }

/* 内容入口装饰 */
.hero-badge-row { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-badge-row .badge { background: rgba(255,255,255,0.14); color: #fff; }

/* ===== 痛点 ===== */
.pain-section .prob-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    height: 100%;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    box-shadow: var(--shadow);
}
.pain-section .prob-card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.prob-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(11, 107, 79, 0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    margin-bottom: 18px;
}
.prob-card h3 { font-size: 18px; line-height: 1.55; font-weight: 700; color: var(--title); margin-bottom: 10px; }
.prob-card p { font-size: 14px; line-height: 1.7; color: var(--muted); margin-bottom: 0; }

/* ===== 方案区 ===== */
.process-section { background: #fff; }
.process-section .section-shell { max-width: 880px; margin: 0 auto; }
.process-item {
    display: grid;
    grid-template-columns: 62px 1fr;
    gap: 20px;
    padding: 26px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.process-item:last-child { border-bottom: none; }
.process-num {
    width: 46px;
    height: 46px;
    background: var(--primary-dark);
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    box-shadow: 0 8px 18px rgba(8, 71, 51, 0.18);
}
.process-item:nth-child(2n) .process-num { background: var(--accent); box-shadow: 0 8px 18px rgba(242, 106, 33, 0.20); }
.process-content { padding-top: 2px; }
.process-content h3 { font-size: 20px; font-weight: 700; color: var(--title); margin-bottom: 6px; }
.process-content p { color: var(--text); font-size: 15px; line-height: 1.75; margin: 0; }
.process-tag { display: inline-block; background: rgba(11, 107, 79, 0.08); color: var(--primary); font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 999px; margin-bottom: 8px; }

/* ===== 数据区 ===== */
.stats-section {
    background: linear-gradient(135deg, #084733 0%, #0B6B4F 100%);
    position: relative;
    overflow: hidden;
}
.stats-section::after {
    content: "";
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.10);
    top: -240px;
    right: -200px;
}
.stats-section .section-head h2 { color: #fff; }
.stats-section .section-desc { color: rgba(255,255,255,0.66); }
.stats-section .section-eyebrow { background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.9); }
.stat-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 18px;
    padding: 32px 20px;
    text-align: center;
    height: 100%;
    backdrop-filter: blur(4px);
}
.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}
.stat-number sub { font-size: 26px; font-weight: 700; bottom: 0; color: var(--accent); }
.stat-label { color: rgba(255,255,255,0.7); font-size: 15px; font-weight: 500; }

/* ===== 最新更新区 ===== */
.feed-section .feed-wrap { border-top: 1px solid var(--border); }
.feed-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 26px 24px;
    border-radius: 0;
    transition: background .2s ease, box-shadow .2s ease;
    position: relative;
}
.feed-item:first-of-type {
    border-radius: 16px 16px 0 0;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}
.feed-item:hover { background: #fff; box-shadow: 0 6px 20px rgba(8, 71, 51, 0.06); z-index: 1; }
.feed-item .feed-marker { flex: 0 0 auto; width: 48px; height: 48px; border-radius: 10px; background: rgba(11,107,79,0.06); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.feed-item:nth-child(3n) .feed-marker { color: var(--accent); background: rgba(242,106,33,0.08); }
.feed-body { flex: 1; min-width: 0; }
.feed-topline {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 6px;
}
.feed-topline .badge { background: rgba(242,106,33,0.12); color: var(--accent-dark); }
.feed-topline .feed-time { font-size: 13px; color: var(--muted); }
.feed-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--title);
    line-height: 1.45;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.feed-title a:hover { color: var(--primary); }
.feed-excerpt {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    margin-bottom: 12px;
}
.feed-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap .2s ease;
}
.feed-more:hover { gap: 10px; color: var(--accent-dark); }

.empty-state {
    border: 1px dashed var(--border);
    border-radius: var(--radius-card);
    min-height: 220px;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
    color: var(--muted);
    margin-top: 10px;
}
.empty-state i { font-size: 38px; color: #bcd0c5; }
.empty-state .empty-title { font-weight: 600; color: var(--text); font-size: 16px; }
.empty-state p { font-size: 14px; margin: 0; }

.feed-more-wrap { margin-top: 28px; text-align: center; }

/* ===== 频道入口卡 ===== */
.channel-section { background: #fff; }
.channel-card {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    min-height: 260px;
    box-shadow: var(--shadow);
    transition: transform .3s ease, box-shadow .3s ease;
    border: 1px solid var(--border);
}
.channel-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.channel-card .channel-media { width: 46%; position: relative; min-height: 260px; overflow: hidden; }
.channel-card .channel-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; left: 0; top: 0; transition: transform .45s ease; }
.channel-card:hover .channel-media img { transform: scale(1.04); }
.channel-content { width: 54%; padding: 30px; display: flex; flex-direction: column; justify-content: center; z-index: 2; background: #fff; }
.channel-content .badge { margin-bottom: 14px; }
.channel-content h3 { font-size: 24px; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.01em; }
.channel-content p { font-size: 15px; color: var(--text); line-height: 1.75; margin-bottom: 18px; }
.channel-link-arrow {
    width: fit-content;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-pill);
    padding: 8px 22px;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background .2s ease, transform .2s ease;
}
.channel-link-arrow:hover { background: var(--primary-light); transform: translateX(3px); }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-section .faq-wrap { max-width: 880px; margin: 0 auto; }
.faq-wrap .accordion-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-card); margin-bottom: 16px; overflow: hidden; box-shadow: none; transition: background .25s ease, border-color .25s ease; }
.faq-wrap .accordion-item.is-active { border-color: rgba(11,107,79,0.35); box-shadow: var(--shadow); }
.faq-wrap .accordion-title {
    background: #fff;
    border-bottom: 1px solid transparent;
    padding: 20px 28px 20px 62px;
    font-size: 17px;
    font-weight: 700;
    color: var(--title);
    position: relative;
    line-height: 1.5;
}
.faq-wrap .accordion-title::before {
    content: "+";
    position: absolute;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background: rgba(11, 107, 79, 0.08);
    color: var(--primary);
    border-radius: 50%;
    font-weight: 700;
    font-size: 20px;
    line-height: 28px;
    text-align: center;
    transition: background .2s ease, color .2s ease, transform .2s ease;
}
.faq-wrap .accordion-item.is-active > .accordion-title::before { content: "−"; background: var(--primary); color: #fff; transform: translateY(-50%) rotate(180deg); }
.faq-wrap .accordion-title:hover, .faq-wrap .accordion-title:focus { background: #FBFCFB; color: var(--primary); }
.faq-wrap .accordion-content { border-top: 0; background: #fff; padding: 4px 28px 24px 62px; color: var(--text); font-size: 15px; line-height: 1.8; }
.faq-wrap .accordion-content p { margin: 0; }
.faq-wrap .accordion-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.faq-wrap .accordion-content a:hover { color: var(--accent); }

/* ===== CTA ===== */
.cta-section { padding: 120px 0; position: relative; overflow: hidden; }
.cta-inner {
    background: linear-gradient(145deg, #0B6B4F 0%, #084733 100%);
    border-radius: 24px;
    padding: 72px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-inner::before,
.cta-inner::after {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    border: 1px dashed rgba(255,255,255,0.18);
}
.cta-inner::before { top: -200px; left: -100px; }
.cta-inner::after { bottom: -220px; right: -80px; }
.cta-inner h2 { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 16px; position: relative; z-index: 2; }
.cta-inner p { color: rgba(255,255,255,0.84); font-size: 17px; max-width: 620px; margin: 0 auto 28px; position: relative; z-index: 2; }
.cta-inner .cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; position: relative; z-index: 2; }

/* ===== Footer ===== */
.site-footer { background: #052E22; color: rgba(255,255,255,0.70); padding: 64px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 40px; padding-bottom: 46px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand-logo .logo-icon { width: 42px; height: 42px; font-size: 20px; border-radius: 12px; background: rgba(242,106,33,0.85); }
.footer-brand-logo .footer-name { color: #fff; font-size: 21px; font-weight: 800; }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.60); max-width: 360px; }
.footer-col-title { color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col-title::after { content: ""; width: 24px; height: 2px; background: var(--accent); position: absolute; left: 0; bottom: 0; border-radius: 2px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; font-size: 14px; }
.footer-links a { color: rgba(255,255,255,0.66); transition: color .2s ease, padding-left .2s ease; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact { font-size: 14px; line-height: 1.8; display: flex; flex-direction: column; gap: 16px; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; }
.footer-contact-item i { color: var(--accent); margin-top: 4px; width: 16px; text-align: center; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.40);
}
.footer-bottom a { color: rgba(255,255,255,0.60); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Reveal 弹层 ===== */
.reveal { background: #fff; border: none; border-radius: 20px; padding: 36px; box-shadow: var(--shadow-lg); max-width: 560px; }
.reveal h2 { font-size: 23px; margin-bottom: 18px; color: var(--title); }
.feedback-form label { font-size: 14px; font-weight: 600; color: var(--title); margin-bottom: 6px; display: block; }
.feedback-form input[type="text"],
.feedback-form input[type="email"],
.feedback-form select,
.feedback-form textarea {
    height: 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    padding: 0 14px;
    font-size: 15px;
    width: 100%;
    background: #FBFDFC;
    color: var(--title);
    box-shadow: none;
    margin-bottom: 16px;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.feedback-form textarea { height: 110px; padding: 12px 14px; resize: vertical; }
.feedback-form input:focus, .feedback-form select:focus, .feedback-form textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(11,107,79,0.12); outline: none; }
.feedback-form .select-wrapper { position: relative; }
.choice-label { margin-bottom: 8px; }
.privacy-note { font-size: 12px; color: var(--muted); background: #F5F7F4; padding: 12px 16px; border-radius: 8px; line-height: 1.65; margin-top: 8px; }
.success-msg { background: rgba(11,107,79,0.08); color: var(--primary); border: 1px solid rgba(11,107,79,0.15); padding: 12px 16px; border-radius: 8px; margin-top: 12px; font-size: 14px; font-weight: 600; }
.close-button { color: var(--muted); font-size: 32px; transition: color .2s ease; }
.close-button:hover { color: var(--accent); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    :root { --space-section: 72px; }
    .hero-title { font-size: 38px; }
    .hero-section { min-height: 560px; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 32px; }
}

@media (max-width: 768px) {
    :root { --space-section: 60px; }
    .section-head h2 { font-size: 25px; }
    .brand-bar { height: auto; padding: 12px 0; }
    .brand-inner { flex-wrap: wrap; justify-content: flex-start; }
    .brand-tools { margin-left: auto; }
    .brand-tools .external-link { display: none; }
    .channel-item { padding: 0 16px; }
    .hero-section { padding: 64px 0 70px; min-height: auto; }
    .hero-title { font-size: 32px; }
    .hero-sub { font-size: 16px; }
    .hero-note { margin-top: 36px; margin-left: 0; max-width: 100%; transform: none; }
    .hero-cta .btn { flex: 1; }
    .section { padding: 56px 0; }
    .process-item { grid-template-columns: 46px 1fr; gap: 14px; padding: 22px 0; }
    .channel-card { flex-direction: column; }
    .channel-card .channel-media { width: 100%; min-height: 180px; position: relative; }
    .channel-card .channel-media img { position: absolute; }
    .channel-content { width: 100%; padding: 22px; }
    .channel-content h3 { font-size: 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 30px; }
    .cta-inner { padding: 48px 24px; }
    .stat-card { padding: 24px 12px; }
    .stat-number { font-size: 36px; }
    .reveal { padding: 26px 20px; }
    .feed-item { padding: 20px 16px; gap: 14px; }
    .feed-title { font-size: 16px; }
    .feed-marker { display: none !important; }
    .faq-wrap .accordion-title { padding: 18px 18px 18px 52px; font-size: 15px; }
    .faq-wrap .accordion-title::before { left: 16px; width: 24px; height: 24px; line-height: 24px; font-size: 18px; }
    .faq-wrap .accordion-content { padding: 2px 16px 20px 16px; font-size: 14px; }
}

@media (max-width: 520px) {
    .hero-cta .btn { width: 100%; }
    .section-eyebrow { font-size: 12px; padding: 4px 12px; }
    .brand-tools .brand-mini-cta { display: none; }
    .brand-logo .logo-text { font-size: 18px; }
    .brand-logo .logo-text small { font-size: 12px; }
    .channel-item { font-size: 14px; padding: 0 13px; }
    .feed-topline .feed-time { display: none; }
}

@media print {
    .site-header .channel-bar, .hero-cta, .btn, .cta-section, .footer-bottom, .mock-btn, .brand-tools { display: none !important; }
    .hero-section { min-height: auto; padding: 40px 0; }
    body { background: #fff; }
}

/* roulang page: category1 */
:root {
            --primary: #0B6B4F;
            --primary-dark: #084733;
            --accent: #F26A21;
            --accent-hover: #D95A14;
            --bg: #F5F7F4;
            --white: #FFFFFF;
            --heading: #16261F;
            --body: #40544B;
            --muted: #71827B;
            --border: #DFE8E3;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px rgba(8, 71, 51, 0.08);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: inline-block;
            vertical-align: middle;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .grid-container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.full {
            max-width: 100%;
        }
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 10;
        }
        .brand-bar {
            background: var(--white);
        }
        .brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0;
        }
        .brand-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(11, 107, 79, 0.25);
        }
        .brand-logo .logo-text {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .brand-logo .logo-text small {
            font-size: 0.90rem;
            font-weight: 400;
            color: var(--muted);
            margin-left: 4px;
        }
        .brand-tools {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .external-link {
            font-size: 13px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid var(--border);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 14px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
            transition: var(--transition);
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .btn-lg {
            padding: 12px 28px;
            font-size: 15px;
        }
        .btn:focus-visible,
        .channel-item:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        .animated-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .channel-bar {
            background: var(--primary-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 9;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
        }
        .channel-inner {
            display: flex;
            align-items: center;
            gap: 0;
            min-height: 46px;
            overflow-x: auto;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }
        .channel-inner::-webkit-scrollbar {
            display: none;
        }
        .channel-item {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14.5px;
            padding: 11px 22px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            border-radius: 0;
            background: transparent;
        }
        .channel-item i {
            font-size: 13px;
            opacity: 0.85;
        }
        .channel-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .channel-item.active {
            color: #fff;
            border-bottom-color: var(--accent);
            font-weight: 600;
            background: rgba(255, 255, 255, 0.03);
        }
        .channel-spacer {
            flex: 1 1 auto;
        }
        .content-banner {
            background: linear-gradient(105deg, #063A2B 0%, #0B5A42 55%, #0B6B4F 100%);
            padding: 56px 0 60px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .content-banner::after {
            content: "";
            position: absolute;
            width: 480px;
            height: 480px;
            right: -120px;
            bottom: -180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.045);
            pointer-events: none;
        }
        .banner-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .banner-left {
            flex: 1 1 46%;
            min-width: 280px;
        }
        .banner-left h1 {
            color: #fff;
            font-size: clamp(2rem, 4vw, 2.8rem);
            line-height: 1.18;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }
        .banner-left .banner-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            margin: 0 0 24px;
            color: rgba(255, 255, 255, 0.84);
            max-width: 620px;
        }
        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 26px;
        }
        .meta-pill {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: rgba(255, 255, 255, 0.92);
        }
        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .banner-actions .btn {
            min-width: 140px;
        }
        .banner-right {
            flex: 1 1 38%;
            min-width: 280px;
            max-width: 460px;
        }
        .banner-img-wrap {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
        }
        .banner-img-wrap img {
            width: 100%;
            height: 230px;
            object-fit: cover;
            display: block;
        }
        .section {
            padding: 84px 0;
        }
        .section-alt {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 34px;
        }
        .section-title {
            font-size: 1.9rem;
            line-height: 1.3;
            color: var(--heading);
            margin: 0;
            font-weight: 700;
        }
        .section-kicker {
            display: block;
            font-size: 13px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .section-intro {
            max-width: 680px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
        }
        .category-layout {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }
        .content-col {
            flex: 0 0 66%;
            max-width: 66%;
        }
        .side-col {
            flex: 1 1 32%;
            max-width: 34%;
            min-width: 270px;
        }
        .featured-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 20px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: 0 14px 30px rgba(8, 71, 51, 0.1);
        }
        .featured-media {
            position: relative;
            display: block;
            overflow: hidden;
            background: #E5EDE8;
        }
        .featured-media img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-card:hover .featured-media img {
            transform: scale(1.02);
        }
        .featured-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.4px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
        }
        .featured-body {
            padding: 28px 30px 22px;
            flex: 1;
        }
        .featured-title {
            font-size: 1.5rem;
            line-height: 1.4;
            color: var(--heading);
            font-weight: 700;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-text {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: 10px;
        }
        .article-date {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .btn-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .btn-text:hover {
            color: var(--accent);
            gap: 8px;
        }
        .list-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            margin-bottom: 14px;
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .list-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .list-img {
            width: 108px;
            min-width: 108px;
            height: 76px;
            object-fit: cover;
            border-radius: 10px;
        }
        .list-info {
            flex: 1;
            min-width: 0;
        }
        .tag-mini {
            font-size: 11.5px;
            color: var(--primary);
            background: rgba(11, 107, 79, 0.08);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        .list-title {
            margin: 0 0 4px;
            line-height: 1.45;
        }
        .list-title a {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--heading);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-title a:hover {
            color: var(--primary);
        }
        .list-meta {
            font-size: 12.5px;
            color: var(--muted);
        }
        .side-module {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow);
            padding: 22px 20px;
            margin-bottom: 26px;
        }
        .side-module-title {
            font-size: 18px;
            color: var(--heading);
            font-weight: 700;
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--bg);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-module-title i {
            color: var(--accent);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--body);
            padding: 5px 13px;
            transition: var(--transition);
        }
        .tag-item:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .rank-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 0;
            border-bottom: 1px solid var(--bg);
        }
        .rank-item:last-child {
            border-bottom: 0;
        }
        .rank-num {
            width: 24px;
            height: 24px;
            background: var(--bg);
            border-radius: 50%;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .rank-cotent {
            flex: 1;
        }
        .rank-cotent a {
            color: var(--heading);
            font-size: 14px;
            line-height: 1.5;
            font-weight: 500;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .rank-cotent a:hover {
            color: var(--primary);
        }
        .rank-meta {
            font-size: 12px;
            color: var(--muted);
            margin-top: 2px;
        }
        .highlight-number {
            color: var(--accent);
        }
        .coach-section {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 44px 0 40px;
            border-radius: 18px;
            margin: 0 0 30px;
            position: relative;
            overflow: hidden;
        }
        .coach-section::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 5px;
            background: var(--accent);
            border-radius: 3px 0 0 3px;
        }
        .coach-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: space-between;
            padding: 0 36px;
        }
        .coach-info {
            flex: 1 1 55%;
            min-width: 240px;
        }
        .coach-info h3 {
            font-size: 22px;
            color: #fff;
            margin: 0 0 8px;
        }
        .coach-info p {
            margin: 0;
            font-size: 14px;
            opacity: 0.75;
        }
        .coach-btn {
            flex: 0 0 auto;
        }
        .subscribe-box {
            display: flex;
            align-items: center;
            gap: 15px;
            background: linear-gradient(135deg, #FDF3EA, #FFF9F3);
            border: 1px solid #FAE0CE;
            border-radius: var(--radius-card);
            padding: 20px 22px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .subscribe-box i {
            font-size: 34px;
            color: var(--accent);
        }
        .subscribe-text {
            flex: 1;
            min-width: 180px;
        }
        .subscribe-text h4 {
            margin: 0 0 4px;
            font-size: 17px;
            color: var(--heading);
        }
        .subscribe-text p {
            margin: 0;
            font-size: 13px;
            color: var(--muted);
        }
        .card-note {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 22px 24px;
        }
        .info-badge {
            display: inline-flex;
            gap: 8px;
            align-items: flex-start;
            background: #EEF5F1;
            border: 1px solid #D6E5DD;
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 13px;
            color: var(--body);
            margin-top: 14px;
        }
        .info-badge i {
            color: var(--primary);
            margin-top: 2px;
        }
        .faq-list {
            margin-top: 0;
        }
        .faq-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-card-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            padding: 16px 18px;
            font-weight: 600;
            font-size: 15px;
            color: var(--heading);
            background: var(--white);
            min-height: 54px;
            list-style: none;
        }
        .faq-card-title::-webkit-details-marker {
            display: none;
        }
        .faq-card-title i {
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
        }
        .faq-card[open] .faq-card-title i.fa-plus {
            transform: rotate(45deg);
        }
        .faq-card .faq-content {
            padding: 0 18px 18px;
            color: var(--body);
            font-size: 14.5px;
            line-height: 1.75;
            border-top: 1px solid var(--bg);
            margin-top: 0;
            padding-top: 14px;
        }
        .faq-card[open] .faq-card-title {
            color: var(--primary);
        }
        .img-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .img-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .img-card-media {
            overflow: hidden;
            background: #E9EFEB;
        }
        .img-card-media img {
            width: 100%;
            height: 188px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .img-card:hover .img-card-media img {
            transform: scale(1.03);
        }
        .img-card-body {
            padding: 22px 20px 10px;
        }
        .img-card-body .tag-mini {
            margin-bottom: 8px;
        }
        .img-card-body h3 {
            font-size: 17px;
            line-height: 1.45;
            margin: 0 0 8px;
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .img-card-body h3 a {
            color: var(--heading);
        }
        .img-card-body h3 a:hover {
            color: var(--primary);
        }
        .img-card-body p {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .newsletter-mini {
            background: var(--primary-dark);
            border-radius: var(--radius-card);
            color: rgba(255, 255, 255, 0.8);
            padding: 28px 26px;
            text-align: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .newsletter-mini::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(6, 53, 39, 0.88);
            border-radius: var(--radius-card);
        }
        .newsletter-mini .subscribe-content {
            position: relative;
            z-index: 1;
        }
        .newsletter-mini h3 {
            color: #fff;
            font-size: 20px;
            margin: 0 0 10px;
        }
        .newsletter-mini p {
            font-size: 14px;
            margin: 0 0 18px;
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 26px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 1.1fr;
            gap: 38px;
            margin-bottom: 34px;
        }
        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 14px;
        }
        .footer-brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            font-size: 15px;
        }
        .footer-name {
            font-size: 1.2rem;
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.4px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }
        .footer-col-title {
            color: #fff;
            font-size: 16px;
            margin: 0 0 16px;
            font-weight: 600;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact-item i {
            margin-top: 4px;
            width: 16px;
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .fake-nav {
            display: none;
        }
        .reveal-modal {
            border-radius: 16px;
            padding: 30px;
            border: 0;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
        }
        .reveal-modal h2 {
            font-size: 1.5rem;
            color: var(--heading);
            font-weight: 700;
        }
        .reveal-modal label {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--body);
            margin-bottom: 5px;
        }
        .reveal-modal input[type="text"],
        .reveal-modal input[type="email"],
        .reveal-modal textarea {
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 14px;
            background: #F9FBF9;
            font-size: 15px;
            box-shadow: none;
            transition: var(--transition);
            margin-bottom: 16px;
        }
        .reveal-modal input:focus,
        .reveal-modal textarea:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(11, 107, 79, 0.1);
        }
        .reveal-modal textarea {
            height: 100px;
        }
        .close-button {
            color: var(--body);
        }
        .privacy-note {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.6;
            margin-top: 14px;
            border-top: 1px solid var(--bg);
            padding-top: 12px;
        }
        .empty-state {
            text-align: center;
            border: 1.5px dashed var(--border);
            background: var(--bg);
            border-radius: var(--radius-card);
            padding: 32px 20px;
            color: var(--muted);
            font-size: 15px;
        }
        .empty-state i {
            font-size: 42px;
            opacity: 0.4;
            display: block;
            margin-bottom: 8px;
        }
        @media print {
            .reveal-modal,
            .site-footer,
            .channel-bar {
                display: none !important;
            }
        }
        @media screen and (max-width: 1024px) {
            .content-col {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .side-col {
                flex: 0 0 100%;
                max-width: 100%;
                display: flex;
                flex-wrap: wrap;
                gap: 20px;
            }
            .side-module {
                flex: 0 0 100%;
                max-width: 100%;
                margin-bottom: 0;
            }
            .coach-inner {
                padding: 0 24px;
            }
        }
        @media screen and (max-width: 768px) {
            .brand-inner {
                flex-direction: column;
                align-items: flex-start;
                padding-top: 14px;
                padding-bottom: 14px;
            }
            .brand-tools {
                width: 100%;
                justify-content: space-between;
            }
            .content-banner {
                padding: 44px 0 50px;
            }
            .banner-flex {
                flex-direction: column;
            }
            .banner-left h1 {
                font-size: 1.9rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .list-img {
                width: 86px;
                min-width: 86px;
                height: 64px;
            }
            .featured-body {
                padding: 18px 18px 16px;
            }
            .featured-media img {
                height: 190px;
            }
        }
        @media screen and (max-width: 520px) {
            .channel-item {
                padding: 11px 14px;
                font-size: 14px;
            }
            .banner-left .banner-desc {
                font-size: 15px;
            }
            .section {
                padding: 44px 0;
            }
            .list-card {
                flex-direction: row;
                padding: 14px;
                gap: 12px;
            }
            .list-img {
                width: 72px;
                min-width: 72px;
                height: 56px;
            }
            .external-link {
                font-size: 12px;
                padding: 4px 10px;
            }
            .brand-mini-cta {
                font-size: 13px;
                padding: 6px 12px;
                min-height: 36px;
            }
            .brand-logo .logo-text {
                font-size: 1.2rem;
            }
            .brand-logo .logo-text small {
                font-size: 0.8rem;
                display: block;
                margin-left: 0;
            }
            .tag-item {
                font-size: 12px;
                padding: 4px 10px;
            }
            .info-badge {
                font-size: 12px;
            }
        }
        .btn-styled {
            border-radius: 8px;
            text-decoration: none;
        }
        .data-slug-line {
            min-height: 0;
        }
        .clearfix::before,
        .clearfix::after {
            content: "";
            display: table;
            clear: both;
        }
        .coverpic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        @media screen and (max-width: 900px) {
            .coverpic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 600px) {
            .coverpic-grid {
                grid-template-columns: 1fr;
            }
            .img-card-media img {
                height: 170px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0B6B4F;
            --primary-dark: #084733;
            --accent: #F26A21;
            --accent-hover: #D95918;
            --bg: #F5F7F4;
            --card: #FFFFFF;
            --text: #16261F;
            --body: #40544B;
            --muted: #71827B;
            --border: #DFE8E3;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-img: 12px;
            --shadow: 0 8px 24px rgba(8, 71, 51, 0.08);
            --shadow-lg: 0 14px 36px rgba(8, 71, 51, 0.12);
            --transition: all .25s ease;
            --container: 1200px;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        p,
        h1,
        h2,
        h3,
        h4,
        h5,
        ul,
        ol,
        dl,
        figure,
        blockquote {
            margin: 0 0 1.15rem;
        }

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

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

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

        .container-course {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-weight: 600;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            font-size: 15px;
            min-height: 44px;
            padding: 10px 24px;
            background: transparent;
            color: var(--text);
        }

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

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

        .btn-outline {
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
        }

        .btn-outline:hover,
        .btn-outline:focus,
        .btn-outline:active {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
        }

        .btn-outline-dark {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline-dark:hover,
        .btn-outline-dark:focus {
            background: var(--primary);
            color: #fff;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 107, 79, .1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            line-height: 1;
            padding: 6px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .tag-accent {
            background: rgba(242, 106, 33, .12);
            color: var(--accent-hover);
        }

        .tag-soft {
            background: #fff;
            color: var(--body);
            border: 1px solid var(--border);
        }

        /* Header */
        .site-header {
            background: #fff;
            position: relative;
            z-index: 60;
        }

        .brand-bar {
            border-bottom: 1px solid var(--border);
            background: #fff;
        }

        .brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 62px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(8, 71, 51, .18);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .5px;
            line-height: 1.1;
        }

        .logo-text small {
            display: block;
            font-size: 12px;
            font-weight: 500;
            color: var(--muted);
            letter-spacing: 1px;
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .external-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--muted);
            font-size: 13px;
        }

        .brand-mini-cta {
            min-height: 36px;
            padding: 7px 18px;
            font-size: 14px;
        }

        .channel-bar {
            background: var(--primary-dark);
            position: sticky;
            top: 0;
            z-index: 80;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
        }

        .channel-inner {
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            white-space: nowrap;
            min-height: 44px;
        }

        .channel-inner::-webkit-scrollbar {
            display: none;
        }

        .channel-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            height: 44px;
            padding: 0 18px;
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            font-weight: 500;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
        }

        .channel-item:hover {
            color: #fff;
        }

        .channel-item.active {
            color: #fff;
            border-bottom-color: var(--accent);
            background: rgba(255, 255, 255, .05);
        }

        .channel-spacer {
            flex: 1;
        }

        /* Article hero */
        .article-hero {
            position: relative;
            padding: 56px 0 34px;
            background:
                linear-gradient(180deg, rgba(4, 54, 37, .96) 0%, rgba(8, 71, 51, .96) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
            color: #fff;
        }

        .article-hero:after {
            content: "";
            position: absolute;
            right: -90px;
            top: -70px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 34px solid rgba(255, 255, 255, .06);
        }

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

        .breadcrumb-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 20px;
        }

        .breadcrumb-line a {
            color: rgba(255, 255, 255, .8);
        }

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

        .breadcrumb-line .bc-sep {
            color: rgba(255, 255, 255, .3);
        }

        .article-kicker {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .article-kicker i {
            font-size: 12px;
        }

        .article-title {
            font-size: 34px;
            line-height: 1.35;
            color: #fff;
            font-weight: 800;
            max-width: 880px;
            margin-bottom: 18px;
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }

        .article-meta-line .tag {
            background: rgba(255, 255, 255, .14);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .12);
        }

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

        /* Main article */
        .article-main {
            padding: 56px 0 60px;
        }

        .article-content-col {
            max-width: 780px;
            margin: 0 auto;
        }

        .article-entry {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 56px 56px;
            font-size: 16px;
            line-height: 1.9;
            color: var(--body);
            word-break: break-word;
        }

        .article-entry > *:last-child {
            margin-bottom: 0;
        }

        .article-entry h2 {
            font-size: 26px;
            margin: 42px 0 14px;
            padding-top: 6px;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            line-height: 1.4;
        }

        .article-entry h3 {
            font-size: 21px;
            margin: 32px 0 10px;
            line-height: 1.5;
        }

        .article-entry h4 {
            font-size: 17px;
            font-weight: 700;
            margin-top: 24px;
            margin-bottom: 8px;
        }

        .article-entry p {
            margin-bottom: 1.5rem;
        }

        .article-entry ul,
        .article-entry ol {
            margin: 1.2rem 0 1.6rem 1.4rem;
        }

        .article-entry li {
            margin-bottom: .5rem;
        }

        .article-entry blockquote {
            background: #F0F6F2;
            border-left: 4px solid var(--accent);
            color: var(--text);
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
            font-size: 16px;
        }

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

        .article-entry img {
            border-radius: var(--radius-img);
            margin: 24px auto;
            box-shadow: var(--shadow);
        }

        .article-entry a {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-entry table {
            width: 100%;
            margin: 1.6rem 0;
            border-collapse: collapse;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            font-size: 15px;
        }

        .article-entry table th,
        .article-entry table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            text-align: left;
        }

        .article-entry table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .article-entry table tr:last-child td {
            border-bottom: 0;
        }

        .article-entry iframe {
            width: 100%;
            min-height: 380px;
            border-radius: var(--radius-img);
            border: 0;
            margin: 24px 0;
        }

        .article-footer-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 34px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
        }

        .article-back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 15px;
        }

        .article-back-link:hover {
            color: var(--primary);
        }

        /* no article */
        .article-empty-wrap {
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 60px 20px;
        }

        .article-empty-card {
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 40px 32px;
            max-width: 480px;
            box-shadow: var(--shadow);
        }

        .article-empty-card i {
            font-size: 40px;
            color: var(--primary);
            opacity: .6;
            margin-bottom: 12px;
        }

        .article-empty-card h2 {
            font-size: 22px;
            margin-bottom: 8px;
        }

        .article-empty-card p {
            color: var(--muted);
        }

        /* related recommend */
        .article-recommend-section {
            padding: 0 0 64px;
        }

        .recommend-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 24px;
        }

        .recommend-heading h2 {
            font-size: 28px;
            margin: 0;
        }

        .eyebrow-line {
            display: block;
            font-size: 12px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 6px;
            font-weight: 600;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            color: var(--text);
            box-shadow: 0 2px 6px rgba(8, 71, 51, .04);
        }

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

        .related-card-img {
            background: var(--bg);
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

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

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

        .related-card-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .related-card-body h3 {
            font-size: 19px;
            line-height: 1.4;
            margin: 0;
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .related-meta {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 10px;
        }

        /* detail CTA */
        .detail-cta-section {
            padding: 0 0 72px;
        }

        .detail-cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: 18px;
            padding: 42px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            position: relative;
            color: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .detail-cta-box:after {
            content: "";
            position: absolute;
            right: -40px;
            bottom: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 24px solid rgba(255, 255, 255, .08);
        }

        .detail-cta-box h2 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 8px;
        }

        .detail-cta-box p {
            margin: 0;
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
        }

        .detail-cta-btns {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        /* footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .72);
            padding: 62px 0 30px;
            font-size: 15px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 42px;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .footer-name {
            font-size: 18px;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 340px;
        }

        .footer-col-title {
            color: #fff;
            font-size: 17px;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .7);
            transition: var(--transition);
        }

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

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

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }

        .footer-contact-item i {
            margin-top: 4px;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .52);
        }

        /* Reveal modal */
        .reveal-modal-card {
            display: block;
        }

        .reveal-modal-card h2 {
            font-size: 24px;
            color: var(--text);
            margin-bottom: 8px;
        }

        .modal-desc {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 22px;
        }

        .form-control {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            height: 46px;
            background: #fff;
            font-size: 15px;
            padding: 0 14px;
            color: var(--text);
            transition: var(--transition);
            outline: none;
        }

        textarea.form-control {
            height: auto;
            min-height: 100px;
            padding: 12px 14px;
            resize: vertical;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(11, 107, 79, .14);
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .privacy-line {
            font-size: 12px;
            line-height: 1.7;
            color: var(--muted);
            text-align: center;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .close-button {
            color: var(--muted);
            transition: var(--transition);
        }

        .close-button:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media screen and (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-grid > div:first-child {
                grid-column: span 2;
            }

            .detail-cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 34px;
            }

            .detail-cta-btns {
                flex-wrap: wrap;
            }
        }

        @media screen and (max-width: 767px) {
            .brand-inner {
                flex-wrap: wrap;
                padding: 10px 0;
                gap: 8px;
            }

            .logo-text {
                font-size: 18px;
            }

            .external-link {
                display: none;
            }

            .brand-mini-cta {
                min-height: 34px;
                font-size: 13px;
                padding: 6px 13px;
            }

            .article-hero {
                padding: 40px 0 28px;
            }

            .article-title {
                font-size: 26px;
                line-height: 1.4;
            }

            .article-main {
                padding: 36px 0 40px;
            }

            .article-entry {
                padding: 28px 22px;
                font-size: 15px;
                line-height: 1.8;
            }

            .article-entry h2 {
                font-size: 21px;
            }

            .article-entry h3 {
                font-size: 18px;
            }

            .article-entry iframe {
                min-height: 220px;
            }

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

            .recommend-heading {
                flex-direction: column;
                align-items: flex-start;
            }

            .detail-cta-section {
                padding-bottom: 52px;
            }

            .detail-cta-box {
                padding: 28px 24px;
                border-radius: 14px;
            }

            .detail-cta-box h2 {
                font-size: 20px;
            }

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

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

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

        @media screen and (max-width: 520px) {
            .brand-mini-cta {
                width: auto;
                padding: 5px 11px;
                font-size: 12px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

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

            .logo-text small {
                font-size: 11px;
            }

            .channel-item {
                font-size: 13px;
                padding: 0 13px;
            }

            .article-title {
                font-size: 22px;
            }

            .article-meta-line {
                gap: 10px;
                font-size: 13px;
            }

            .article-entry {
                border-radius: 10px;
            }

            .related-card-body {
                padding: 16px;
            }

            .related-card-body h3 {
                font-size: 17px;
            }

            .detail-cta-btns .btn {
                width: 100%;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category2 */
:root{
    --primary:#0B6B4F;
    --primary-dark:#084733;
    --accent:#F26A21;
    --page-bg:#F5F7F4;
    --card-bg:#FFFFFF;
    --heading:#16261F;
    --text:#40544B;
    --meta:#71827B;
    --border:#DFE8E3;
    --radius-card:14px;
    --radius-img:12px;
    --radius-btn:8px;
    --radius-pill:999px;
    --shadow:0 8px 24px rgba(8,71,51,.08);
    --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    --space-section:88px;
    --space-section-md:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background:var(--page-bg);
}
img{display:block;max-width:100%}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--primary-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid rgba(242,106,33,.5);
    outline-offset:2px;
}
.grid-container{
    width:100%;
    max-width:1200px;
    margin-left:auto;
    margin-right:auto;
    padding-left:24px;
    padding-right:24px;
}
.site-header{background:#fff;box-shadow:0 2px 12px rgba(8,71,51,.05);position:relative;z-index:80}
.brand-bar{
    background:#fff;
    min-height:60px;
    border-bottom:1px solid #EDF1ED;
    display:flex;
    align-items:center;
}
.brand-inner{
    min-height:60px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    flex-wrap:wrap;
}
.brand-logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:6px 0;
    color:var(--heading);
    font-weight:800;
    font-size:22px;
    letter-spacing:.4px;
}
.brand-logo:hover{color:var(--heading)}
.logo-icon{
    width:40px;
    height:40px;
    border-radius:12px;
    background:var(--primary);
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
    box-shadow:0 6px 14px rgba(11,107,79,.24);
}
.logo-text{
    display:inline-flex;
    align-items:baseline;
    gap:6px;
    white-space:nowrap;
}
.logo-text small{
    font-size:13px;
    color:var(--meta);
    font-weight:500;
    letter-spacing:.5px;
}
.brand-tools{
    display:flex;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
}
.external-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--meta);
    font-size:13px;
    background:#F4F7F4;
    border:1px solid #E8EEE9;
    padding:6px 14px;
    border-radius:999px;
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-family:var(--font-sans);
    font-size:15px;
    font-weight:600;
    line-height:1.4;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    padding:11px 22px;
    cursor:pointer;
    transition:background .25s,border-color .25s,color .25s,box-shadow .25s,transform .25s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 8px 18px rgba(11,107,79,.2)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:#DF5F1A;border-color:#DF5F1A;color:#fff;box-shadow:0 8px 18px rgba(242,106,33,.25)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.brand-mini-cta{
    min-height:38px;
    padding:8px 18px;
    font-size:14px;
    background:#F26A21;
    border-color:#F26A21;
}
.brand-mini-cta:hover{background:#E15A15;border-color:#E15A15}
.channel-bar{
    position:sticky;
    top:0;
    z-index:70;
    background:var(--primary-dark);
    box-shadow:0 4px 14px rgba(8,71,51,.18);
}
.channel-inner{
    min-height:44px;
    display:flex;
    align-items:center;
    gap:4px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel-item{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:rgba(255,255,255,.75);
    font-size:14px;
    font-weight:500;
    padding:9px 16px;
    white-space:nowrap;
    border-radius:6px 6px 0 0;
    transition:color .2s,background .2s;
}
.channel-item:hover{color:#fff;background:rgba(255,255,255,.08)}
.channel-item.active{color:#fff;font-weight:600}
.channel-item.active::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    bottom:-1px;
    height:3px;
    background:var(--accent);
    border-radius:3px 3px 0 0;
}
.channel-spacer{flex:1 0 0;min-width:0}

.category-hero{
    background:
      radial-gradient(circle at 82% 18%, rgba(242,106,33,.16) 0, transparent 32%),
      linear-gradient(132deg,#063D2C 0%,#0B6B4F 72%,#0F7A59 100%);
    padding:64px 0 56px;
    position:relative;
    overflow:hidden;
}
.category-hero::before{
    content:"";
    position:absolute;
    width:260px;
    height:260px;
    border-radius:50%;
    background:rgba(255,255,255,.04);
    top:-90px;
    left:52%;
}
.category-hero::after{
    content:"";
    position:absolute;
    width:120px;
    height:120px;
    border-radius:50%;
    background:rgba(255,255,255,.03);
    right:6%;
    bottom:-58px;
}
.category-hero .grid-container{position:relative;z-index:2}
.hero-copy-lg .hero-kicker{
    color:var(--accent);
    font-weight:700;
    font-size:13px;
    letter-spacing:2px;
    text-transform:uppercase;
    margin-bottom:10px;
    display:flex;
    align-items:center;
    gap:8px;
}
.hero-copy-lg h1{
    color:#fff;
    font-size:44px;
    line-height:1.16;
    font-weight:800;
    margin:0 0 16px;
    letter-spacing:1px;
}
.hero-lead{
    color:rgba(255,255,255,.9);
    font-size:18px;
    line-height:1.7;
    margin-bottom:12px;
    max-width:660px;
}
.hero-desc{
    color:rgba(255,255,255,.75);
    font-size:15px;
    line-height:1.75;
    margin-bottom:28px;
    max-width:620px;
}
.hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    align-items:center;
}
.hero-art{
    max-width:440px;
    margin-left:auto;
    position:relative;
}
  .hero-photo{
    border-radius:24px;
    overflow:hidden;
    box-shadow:0 20px 40px rgba(0,0,0,.22);
    position:relative;
    border:1px solid rgba(255,255,255,.2);
  }
  .hero-photo img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
  }
  .hero-photo-tag{
      position:absolute;
      left:16px;
      bottom:16px;
      background:rgba(8,71,51,.86);
      border:1px solid rgba(255,255,255,.24);
      color:#fff;
      font-size:13px;
      padding:7px 15px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      gap:7px;
      backdrop-filter:blur(4px);
  }
  .hero-accent-note{
      position:absolute;
      top:-12px;
      right:-10px;
      background:var(--accent);
      width:52px;
      height:52px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-size:20px;
      box-shadow:0 10px 22px rgba(242,106,33,.32);
      transform:rotate(6deg);
  }

.anchor-wrap{
    background:#fff;
    border-bottom:1px solid var(--border);
    padding:14px 0;
    box-shadow:0 4px 14px rgba(8,71,51,.03);
    position:sticky;
    top:44px;
    z-index:50;
}
.anchor-strip{
    display:flex;
    align-items:center;
    gap:10px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
    padding:4px 0;
}
.anchor-strip::-webkit-scrollbar{display:none}
.anchor-label{
    font-size:13px;
    font-weight:600;
    color:var(--meta);
    margin-right:4px;
    flex:0 0 auto;
}
.topic-pill{
    display:inline-flex;
    align-items:center;
    gap:7px;
    background:#fff;
    border:1px solid #DDE7E0;
    color:#40544B;
    font-size:14px;
    font-weight:500;
    padding:7px 16px;
    border-radius:999px;
    white-space:nowrap;
    box-shadow:0 2px 6px rgba(8,71,51,.04);
    transition:all .2s ease;
}
.topic-pill i{color:var(--primary);font-size:12px}
.topic-pill:hover{
    border-color:var(--primary);
    color:var(--primary);
    background:#F1F7F3;
    transform:translateY(-2px);
}
.topic-pill:active{transform:translateY(0)}

.section-block{padding:var(--space-section) 0}
.section-block.alt{background:linear-gradient(180deg,#EFF5F0 0%,#F7FAF7 100%);}
.section-heading{
    margin-bottom:30px;
    position:relative;
}
.section-mark{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--accent);
    font-weight:700;
    letter-spacing:2px;
    font-size:13px;
}
.section-heading h2{
    font-size:30px;
    line-height:1.3;
    color:var(--heading);
    margin:6px 0 6px;
    font-weight:800;
}
.section-heading p{
    font-size:15px;
    color:var(--meta);
    max-width:720px;
    margin-bottom:0;
}
.heading-with-line:before{
    content:"";
    width:42px;
    height:4px;
    border-radius:99px;
    background:var(--accent);
    display:block;
    margin-bottom:12px;
}

.card-base{
    background:var(--card-bg);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow);
}
.ency-feature-grid{
    display:flex;
    align-items:stretch;
}
.feature-card{
    background:#fff;
    border:1px solid var(--border);
    border-radius:18px;
    box-shadow:var(--shadow);
    overflow:hidden;
    display:grid;
    grid-template-columns:1.05fr 1fr;
    height:100%;
    transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.feature-card:hover{
    transform:translateY(-4px);
    border-color:var(--primary);
    box-shadow:0 14px 32px rgba(8,71,51,.1);
}
.feature-card-media{
    background-color:#EFF3EF;
    overflow:hidden;
    min-height:260px;
}
.feature-card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    aspect-ratio:16/12;
    transition:transform .5s ease;
}
.feature-card:hover .feature-card-media img{transform:scale(1.04)}
.feature-card-body{
    padding:28px 26px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
}
.tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    font-weight:600;
    color:var(--primary);
    background:#E1F0E8;
    border-radius:999px;
    padding:5px 14px;
    letter-spacing:.2px;
}
.feature-card-body h3{
    font-size:22px;
    line-height:1.35;
    color:var(--heading);
    margin:14px 0 10px;
    font-weight:800;
}
.feature-card-body p{
    font-size:15px;
    line-height:1.7;
    color:var(--text);
    margin-bottom:14px;
}
.text-link{
    display:inline-flex;
    align-items:center;
    gap:7px;
    color:var(--primary);
    font-weight:600;
    font-size:14px;
    margin-top:auto;
    border-bottom:2px solid transparent;
}
.text-link:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}
.side-col{display:flex;flex-direction:column;gap:24px;height:100%}
.side-card{
    background:#fff;
    border:1px solid var(--border);
    border-radius:16px;
    box-shadow:var(--shadow);
    padding:24px;
    flex:1;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.side-card:hover{
    transform:translateY(-3px);
    border-color:var(--primary);
    box-shadow:0 12px 26px rgba(8,71,51,.08);
}
.side-card:first-child{background:linear-gradient(160deg,#fff 0%,#F5FAF6 100%)}
.side-card:last-child{background:#fff}
.side-icon{
    width:42px;
    height:42px;
    border-radius:12px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
    margin-bottom:14px;
}
.side-icon.i-green{background:#E1F0E8;color:var(--primary)}
.side-icon.i-orange{background:#FEE9DD;color:var(--accent)}
.side-card h3{font-size:19px;line-height:1.4;color:var(--heading);margin:4px 0 8px;font-weight:700}
.side-card p{font-size:14px;line-height:1.65;color:var(--text);margin-bottom:0}

.topic-list-section{
    background:#F1F6F1;
    padding:var(--space-section) 0;
}
.topic-card-group{
    display:flex;
    flex-direction:column;
    gap:14px;
    margin-top:26px;
}
.topic-card{
    background:#fff;
    border:1px solid var(--border);
    border-left:4px solid var(--primary);
    border-radius:14px;
    padding:18px 22px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:18px;
    box-shadow:0 6px 16px rgba(8,71,51,.05);
    transition:border-color .25s,transform .25s,box-shadow .25s;
}
.topic-card:hover{
    border-left-color:var(--accent);
    transform:translateX(4px);
    box-shadow:0 10px 22px rgba(8,71,51,.07);
}
.topic-card-main{min-width:0}
.topic-status{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--meta);
    font-size:13px;
    background:#F0F3F0;
    border:1px solid #E3E9E4;
    border-radius:999px;
    padding:4px 11px;
}
.topic-status i{color:var(--accent);font-size:12px}
.topic-card h3{
    font-size:17px;
    line-height:1.45;
    color:var(--heading);
    margin:8px 0 4px;
    font-weight:700;
}
.topic-card p{
    font-size:14px;
    color:var(--meta);
    margin:0;
    line-height:1.65;
}
.topic-card-action{
    flex:0 0 auto;
}
.btn-ghost{
    background:transparent;
    border:1px solid #CBD8CF;
    color:var(--primary);
    font-size:13px;
    font-weight:600;
    padding:8px 14px;
    border-radius:999px;
    white-space:nowrap;
}
.btn-ghost:hover{
    background:var(--primary);
    border-color:var(--primary);
    color:#fff;
}

.usage-section{background:#fff;padding:var(--space-section) 0}
.usage-step-zone{
    max-width:820px;
    margin:34px auto 0;
}
.usage-row{
    display:flex;
    gap:22px;
    position:relative;
    padding:0 0 30px 78px;
}
.usage-row:not(:last-child){border-left:2px solid #DCE7DF;margin-left:25px}
.usage-step{
    position:absolute;
    left:0;
    top:0;
    width:52px;
    height:52px;
    background:var(--primary);
    color:#fff;
    font-size:19px;
    font-weight:800;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:16px;
    box-shadow:0 8px 18px rgba(11,107,79,.2);
}
.usage-row:nth-child(2) .usage-step{background:var(--accent);box-shadow:0 8px 18px rgba(242,106,33,.24)}
.usage-content h3{
    font-size:18px;
    font-weight:700;
    color:var(--heading);
    margin:2px 0 6px;
}
.usage-content p{font-size:14.5px;line-height:1.7;color:var(--text);margin:0}
.usage-content .usage-sub{font-size:13px;color:var(--meta);margin-top:4px}

.faq-outter{background:#F4F7F4;padding:var(--space-section) 0}
.faq-accordion{
    max-width:900px;
    margin:30px auto 0;
    list-style:none;
    padding:0;
}
.faq-accordion .accordion-item{
    background:#fff;
    border:1px solid var(--border);
    border-radius:14px;
    margin-bottom:12px;
    overflow:hidden;
    box-shadow:0 4px 12px rgba(8,71,51,.04);
    transition:border-color .2s,box-shadow .2s;
}
.faq-accordion .accordion-item.is-active{
    border-color:#BDD6C9;
    box-shadow:0 10px 24px rgba(8,71,51,.06);
}
.faq-accordion .accordion-title{
    display:flex;
    justify-content:space-between;
    align-items:center;
    position:relative;
    color:var(--heading);
    font-size:16px;
    font-weight:700;
    line-height:1.5;
    padding:19px 48px 19px 22px;
    background:#fff;
    border:none;
}
.faq-accordion .accordion-title:hover{
    color:var(--primary);
    background:#FBFCFA;
}
.faq-accordion .accordion-title::before{
    content:"+";
    position:absolute;
    right:18px;
    top:50%;
    transform:translateY(-50%);
    width:26px;
    height:26px;
    border-radius:50%;
    background:#E7F0EA;
    color:var(--primary);
    font-size:18px;
    font-weight:600;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:all .2s;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
    content:"−";
    background:var(--primary);
    color:#fff;
}
.faq-accordion .accordion-content{
    color:var(--text);
    font-size:15px;
    line-height:1.75;
    padding:0 22px 20px;
    border-top:none;
    background:#fff;
}
.faq-accordion .accordion-content p{margin:0 0 10px}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}
.faq-accordion .accordion-title:focus{outline:2px solid rgba(242,106,33,.45);outline-offset:-2px;border-radius:10px}

.cta-zone{
    background:
        linear-gradient(rgba(8,71,51,.93),rgba(8,71,51,.93)),
        url("/assets/images/backpic/back-1.png") no-repeat center center / cover;
    color:#fff;
    padding:72px 0;
    text-align:center;
}
.cta-inner{max-width:760px;margin:0 auto}
.cta-inner h2{
    color:#fff;
    font-size:30px;
    line-height:1.3;
    font-weight:800;
    margin-bottom:12px;
}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.7;margin-bottom:24px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

.site-footer{
    background:#123D30;
    color:rgba(255,255,255,.72);
    padding:58px 0 0;
    font-size:14px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1.2fr;
    gap:48px;
    margin-bottom:36px;
}
.footer-brand-logo{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:14px;
    color:#fff;
    font-weight:800;
    font-size:19px;
}
.footer-brand-logo .logo-icon{
    width:36px;
    height:36px;
}
.footer-name{line-height:1.3}
.footer-desc{
    line-height:1.75;
    margin:8px 0 0;
    color:rgba(255,255,255,.65);
    max-width:390px;
}
.footer-col-title{
    color:#fff;
    font-size:15px;
    font-weight:700;
    margin-bottom:14px;
    letter-spacing:.3px;
}
.footer-links{
    display:flex;
    flex-direction:column;
    gap:8px;
}
.footer-links a{
    color:rgba(255,255,255,.7);
    display:inline-flex;
    align-items:center;
    gap:7px;
    transition:color .2s,transform .2s;
}
.footer-links a::before{
    content:"›";
    color:var(--accent);
    font-weight:700;
}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{
    display:flex;
    flex-direction:column;
    gap:10px;
}
.footer-contact-item{
    display:flex;
    gap:10px;
    align-items:flex-start;
    line-height:1.55;
}
.footer-contact-item i{color:var(--accent);margin-top:4px}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:18px 0;
    display:flex;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
    color:rgba(255,255,255,.5);
    font-size:13px;
}
.contact-reveal{
    border:none;
    border-radius:20px;
    box-shadow:0 20px 60px rgba(6,54,40,.35);
    padding:34px 30px 24px;
    max-width:560px;
    background:#fff;
}
.contact-reveal h2{
    font-size:24px;
    font-weight:800;
    color:var(--heading);
    margin:0 0 6px;
}
.contact-reveal .modal-sub{
    color:var(--meta);
    font-size:14px;
    margin:0 0 22px;
}
.contact-reveal label{
    font-size:14px;
    font-weight:600;
    color:var(--heading);
    margin-bottom:14px;
}
.contact-reveal input,
.contact-reveal select,
.contact-reveal textarea{
    font-family:var(--font-sans);
    font-size:15px;
    color:var(--text);
    background:#fff;
    border:1px solid #D7E2DB;
    border-radius:8px;
    height:44px;
    padding:8px 14px;
    box-shadow:none;
    margin-top:6px;
    transition:border-color .2s,box-shadow .2s;
}
.contact-reveal input:focus,
.contact-reveal select:focus,
.contact-reveal textarea:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(11,107,79,.08);
}
.contact-reveal textarea{
    height:auto;
    min-height:110px;
    resize:vertical;
}
.modal-privacy{
    background:#F3F7F3;
    border:1px dashed #CBD8CF;
    border-radius:10px;
    padding:10px 14px;
    font-size:12px;
    color:var(--meta);
    line-height:1.7;
    margin:6px 0 18px;
}
.modal-privacy i{color:var(--primary)}
.btn-block{width:100%}
.form-success{
    background:#E3F3E8;
    border:1px solid #B5DCC6;
    color:#0B6B4F;
    border-radius:10px;
    padding:12px 16px;
    font-size:14px;
    margin:12px 0 0;
}
.hide{display:none}
.close-button{color:#16261F;font-size:28px;transition:color .2s}
.close-button:hover{color:var(--accent)}

@media screen and (max-width:1023px){
    :root{--space-section:68px}
    .category-hero{padding:48px 0 42px}
    .hero-art{margin:30px auto 0;max-width:420px}
    .ency-feature-grid{flex-direction:column}
    .feature-card{grid-template-columns:1fr 1fr}
    .side-col{flex-direction:row;gap:20px}
    .side-card{flex:1}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media screen and (max-width:767px){
    .grid-container{padding-left:18px;padding-right:18px}
    :root{--space-section:56px}
    .brand-inner{flex-wrap:wrap;padding:8px 0}
    .external-link{display:none}
    .brand-logo{font-size:20px}
    .hero-copy-lg h1{font-size:32px}
    .hero-lead{font-size:16px}
    .hero-desc{font-size:14.5px}
    .hero-actions .btn{width:auto;flex:1 1 auto;justify-content:center}
    .feature-card{grid-template-columns:1fr}
    .feature-card-media img{aspect-ratio:16/10;min-height:auto}
    .feature-card-body{padding:22px}
    .side-col{flex-direction:column}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .usage-row{padding-left:0;gap:16px}
    .usage-row:not(:last-child){border-left:0;padding:0 0 26px}
    .usage-step{
        position:static;
        width:46px;
        height:46px;
        font-size:17px;
        flex:0 0 46px;
    }
    .topic-card{flex-direction:column;align-items:flex-start;gap:12px}
    .anchor-wrap{top:0;box-shadow:none}
    .channel-item{padding:9px 12px;font-size:13px}
    .section-heading h2{font-size:26px}
    .cta-actions .btn{flex:1 1 auto}
}
@media screen and (max-width:520px){
    .brand-tools .btn{font-size:13px;padding:7px 14px}
    .brand-logo{font-size:18px}
    .logo-icon{width:34px;height:34px;font-size:16px}
    .hero-art{margin-top:26px}
    .hero-copy-lg h1{font-size:29px}
    .hero-kicker{font-size:12px}
    .topic-pill{padding:6px 12px;font-size:13px}
    .contact-reveal{padding:24px 18px 18px}
    .footer-bottom{flex-direction:column}
}