/* Theme 15 - Editorial enterprise theme */
:root {
    color-scheme: light dark;
    --vermilion: #c0392b;
    --vermilion-dark: #922b21;
    --vermilion-light: #e74c3c;
    --vermilion-pale: #fdf2f2;
    --gold: #d4a853;
    --color-text: #16161a;
    --color-muted: #5b5f66;
    --color-subtle: #8a8f96;
    --color-line: #e5e7eb;
    --color-line-soft: #f1f3f5;
    --color-bg: #fafafb;
    --color-surface: #ffffff;
    --color-surface-alt: #f4f5f7;
    --color-inverse-bg: #0d0d0f;
    --color-inverse-surface: #18181c;
    --color-inverse-line: #2a2a31;
    --color-inverse-text: #f5f5f7;
    --color-inverse-muted: #a1a1aa;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
    --shadow-lg: 0 24px 64px rgba(15, 23, 42, .12);
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1200px;
    --header-height: 72px;
}

[data-theme="dark"] {
    --color-text: #f5f5f7;
    --color-muted: #c0c0c4;
    --color-subtle: #8d8e92;
    --color-line: #2a2a31;
    --color-line-soft: #1c1c20;
    --color-bg: #0d0d0f;
    --color-surface: #18181c;
    --color-surface-alt: #131317;
    --color-inverse-bg: #f5f5f7;
    --color-inverse-surface: #ffffff;
    --color-inverse-line: #d4d4d8;
    --color-inverse-text: #0d0d0f;
    --color-inverse-muted: #5b5f66;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow-md: 0 12px 28px rgba(0, 0, 0, .35);
    --shadow-lg: 0 32px 72px rgba(0, 0, 0, .5);
}

@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --color-text: #f5f5f7;
        --color-muted: #c0c0c4;
        --color-subtle: #8d8e92;
        --color-line: #2a2a31;
        --color-line-soft: #1c1c20;
        --color-bg: #0d0d0f;
        --color-surface: #18181c;
        --color-surface-alt: #131317;
        --color-inverse-bg: #f5f5f7;
        --color-inverse-surface: #ffffff;
        --color-inverse-line: #d4d4d8;
        --color-inverse-text: #0d0d0f;
        --color-inverse-muted: #5b5f66;
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition), color var(--transition);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--vermilion); }
img { max-width: 100%; display: block; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.skip-link { position: absolute; left: -9999px; top: -9999px; padding: 8px 16px; background: var(--color-text); color: var(--color-bg); border-radius: var(--radius-xs); z-index: 9999; }
.skip-link:focus { left: 16px; top: 16px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: 999px; font-weight: 600; font-size: 14px; border: 1px solid transparent; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-primary { background: var(--vermilion); color: #fff; }
.btn-primary:hover { background: var(--vermilion-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: var(--color-line); color: var(--color-text); background: transparent; }
.btn-outline:hover { border-color: var(--vermilion); color: var(--vermilion); }
.btn-ghost { background: transparent; color: var(--color-text); }
.btn-ghost:hover { background: var(--color-surface-alt); }
.btn-block { width: 100%; }

/* Topbar */
.topbar { background: var(--color-text); color: var(--color-bg); font-size: 13px; }
.topbar-inner { display: flex; align-items: center; gap: 16px; padding: 8px 24px; }
.topbar-label { background: var(--vermilion); color: #fff; padding: 2px 10px; border-radius: 999px; font-weight: 600; letter-spacing: 0.4px; }
.topbar-text { flex: 1; opacity: 0.85; }
.topbar-link { display: inline-flex; align-items: center; gap: 6px; opacity: 0.85; }
.topbar-link:hover { opacity: 1; color: #fff; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--color-bg) 92%, transparent); backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid transparent; transition: var(--transition); }
.site-header { position: -webkit-sticky; position: sticky; }
.header-wrapper { position: relative; }
.site-header.scrolled { border-bottom-color: var(--color-line); box-shadow: var(--shadow-sm); }
.header-wrapper { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); gap: 24px; }
.site-logo { display: inline-flex; align-items: center; height: 48px; width: auto; max-width: none; flex-shrink: 0; color: var(--color-text); }
.site-logo:hover { color: var(--color-text); }
.logo-mark { width: 44px; height: 44px; border-radius: 12px; background: var(--vermilion); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 22px; }
.logo-img { height: 44px; width: auto; max-width: none; flex-shrink: 0; object-fit: contain; transition: filter var(--transition), opacity var(--transition); }
[data-theme="dark"] .site-logo .logo-img { filter: brightness(0) invert(1); }
@media (prefers-color-scheme: dark) { [data-theme="auto"] .site-logo .logo-img { filter: brightness(0) invert(1); } }
.logo-text { font-weight: 700; }

.site-nav .menu, .site-nav nav.menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.site-nav .menu-link { display: inline-flex; align-items: center; padding: 8px 14px; border-radius: 8px; color: var(--color-muted); font-size: 14px; font-weight: 500; }
.site-nav .menu-link:hover { color: var(--color-text); background: var(--color-surface-alt); }

.mega-nav { list-style: none; padding: 0; margin: 0; display: flex; align-items: center; gap: 4px; }
.mega-nav-item { position: static; }
.mega-nav-link { display: inline-flex; align-items: center; gap: 4px; padding: 10px 14px; background: transparent; border: 0; border-radius: 8px; color: var(--color-muted); font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); font-family: inherit; }
.mega-nav-link:hover, .mega-nav-link[aria-expanded="true"] { color: var(--color-text); background: var(--color-surface-alt); }
.mega-nav-link i { font-size: 11px; transition: transform var(--transition); }
.mega-nav-link[aria-expanded="true"] i { transform: rotate(180deg); }

.mega-panel { position: absolute; left: 0; right: 0; top: 100%; background: var(--color-surface); border-top: 1px solid var(--color-line); box-shadow: var(--shadow-lg); transform-origin: top center; opacity: 0; transform: translateY(-8px); transition: opacity var(--transition), transform var(--transition); pointer-events: none; }
.mega-panel:not([hidden]) { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mega-panel-inner { padding: 32px 24px 36px; }
.mega-panel-header { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 16px; padding-bottom: 20px; margin-bottom: 24px; border-bottom: 1px solid var(--color-line); }
.mega-panel-header h3 { font-size: 22px; letter-spacing: -0.01em; margin-bottom: 6px; }
.mega-panel-header p { color: var(--color-muted); font-size: 14px; }
.mega-panel-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--vermilion); }
.mega-panel-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.mega-col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--color-subtle); margin-bottom: 14px; }
.mega-card-list, .mega-link-list, .mega-post-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.mega-card-list a, .mega-link-list a, .mega-post-list a { display: grid; grid-template-columns: auto 1fr; gap: 12px; padding: 10px; border-radius: 12px; align-items: flex-start; color: var(--color-text); transition: var(--transition); }
.mega-card-list a:hover, .mega-link-list a:hover, .mega-post-list a:hover { background: var(--color-surface-alt); transform: translateX(2px); }
.mega-card-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--vermilion-pale); color: var(--vermilion); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.mega-card-body { display: grid; gap: 4px; }
.mega-card-title { font-weight: 600; color: var(--color-text); font-size: 14px; }
.mega-card-desc { color: var(--color-muted); font-size: 12px; line-height: 1.5; }
.mega-link-list li { padding: 8px 10px; border-radius: 10px; color: var(--color-muted); font-size: 13px; line-height: 1.5; display: grid; gap: 4px; }
.mega-link-list li .mega-card-title { color: var(--color-text); }
.mega-link-list a { padding: 8px 10px; }
.mega-post-list a { grid-template-columns: 88px 1fr; align-items: baseline; }
.mega-post-list time { color: var(--color-subtle); font-size: 12px; }
.mega-post-list span { color: var(--color-text); font-size: 13px; line-height: 1.5; }

.mega-channel-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.mega-channel-list a { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 12px; padding: 10px 12px; border-radius: 12px; transition: var(--transition); }
.mega-channel-list a:hover { background: var(--color-surface-alt); transform: translateX(2px); }
.mega-channel-name { font-weight: 600; color: var(--color-text); font-size: 14px; }
.mega-channel-count { justify-self: end; align-self: center; min-width: 28px; text-align: center; padding: 2px 8px; border-radius: 999px; background: var(--vermilion-pale); color: var(--vermilion); font-size: 12px; font-weight: 600; }
.mega-channel-list .mega-card-desc { grid-column: 1 / span 2; color: var(--color-muted); font-size: 12px; }
.mobile-mega-col .mega-channel-count { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 999px; background: var(--vermilion-pale); color: var(--vermilion); font-size: 11px; font-weight: 600; }

.mega-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: mstep; }
.mega-steps li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: flex-start; counter-increment: mstep; }
.mega-step-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--color-text); color: var(--color-bg); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; }
.mega-steps li strong { display: block; font-size: 14px; }
.mega-steps li span { display: block; color: var(--color-muted); font-size: 12px; }

.mega-cta { padding: 20px; border-radius: 14px; background: var(--color-text); color: var(--color-bg); display: grid; gap: 10px; }
.mega-cta strong { font-size: 15px; }
.mega-cta p { color: rgba(255,255,255,0.78); font-size: 13px; line-height: 1.6; }
.mega-cta-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.mega-cta .btn-outline { color: #fff; border-color: rgba(255,255,255,0.32); }
.mega-cta .btn-outline:hover { background: rgba(255,255,255,0.08); border-color: #fff; }

.mega-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--color-muted); font-size: 13px; }
.mega-contact i { color: var(--vermilion); margin-right: 6px; }
.mega-contact a { color: var(--color-text); }

.mobile-mega-nav { display: grid; gap: 8px; }
.mobile-mega-item { background: var(--color-surface-alt); border-radius: 14px; overflow: hidden; }
.mobile-mega-item summary { padding: 14px 16px; display: flex; justify-content: space-between; align-items: center; font-weight: 600; cursor: pointer; list-style: none; }
.mobile-mega-item summary::-webkit-details-marker { display: none; }
.mobile-mega-item[open] summary { color: var(--vermilion); }
.mobile-mega-body { padding: 8px 16px 16px; display: grid; gap: 12px; }
.mobile-mega-overview { font-weight: 600; color: var(--vermilion); display: inline-flex; gap: 6px; align-items: center; }
.mobile-mega-col h5 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--color-subtle); margin-bottom: 6px; }
.mobile-mega-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.mobile-mega-col a { display: inline-flex; align-items: center; gap: 8px; color: var(--color-text); font-size: 14px; }
.mobile-mega-col i { color: var(--vermilion); }
.mobile-mega-link { display: block; padding: 14px 16px; background: var(--color-surface-alt); border-radius: 14px; font-weight: 600; color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.header-search { display: flex; align-items: center; gap: 6px; background: var(--color-surface-alt); border-radius: 999px; padding: 4px 8px 4px 14px; border: 1px solid transparent; transition: var(--transition); }
.header-search:focus-within { border-color: var(--color-line); background: var(--color-surface); }
.header-search input { border: 0; background: transparent; outline: none; font-size: 14px; min-width: 160px; color: var(--color-text); }
.header-search button { background: var(--color-text); color: var(--color-bg); border: 0; border-radius: 999px; padding: 6px 10px; cursor: pointer; }
.header-search button:hover { background: var(--vermilion); color: #fff; }
.theme-toggle { background: transparent; border: 1px solid var(--color-line); width: 38px; height: 38px; border-radius: 50%; cursor: pointer; color: var(--color-text); transition: var(--transition); }
.theme-toggle:hover { border-color: var(--vermilion); color: var(--vermilion); }
.btn-header { padding: 9px 16px; }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; border: 1px solid var(--color-line); border-radius: 10px; background: transparent; align-items: center; justify-content: center; cursor: pointer; }
.mobile-menu-toggle span { width: 18px; height: 2px; background: var(--color-text); border-radius: 2px; }

.mobile-panel { position: fixed; left: 0; right: 0; top: 0; bottom: 0; background: var(--color-bg); padding: 96px 24px 32px; z-index: 90; transform: translateY(-100%); transition: var(--transition); visibility: hidden; overflow-y: auto; }
.mobile-panel.open { transform: translateY(0); visibility: visible; }
.mobile-panel-inner { max-width: 480px; margin: 0 auto; display: grid; gap: 16px; }
.mobile-nav .menu { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.mobile-nav .menu-link { display: block; padding: 14px 16px; border-radius: 12px; background: var(--color-surface-alt); color: var(--color-text); font-weight: 600; }
.mobile-search { display: flex; gap: 8px; }
.mobile-search input { flex: 1; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--color-line); background: var(--color-surface); color: var(--color-text); font-size: 14px; }
.mobile-search button { padding: 0 18px; border-radius: 12px; background: var(--vermilion); color: #fff; border: 0; cursor: pointer; }
body.menu-open { overflow: hidden; }

/* Hero editorial */
.hero { padding: 64px 0 80px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: var(--color-surface-alt); color: var(--color-muted); font-size: 13px; font-weight: 600; letter-spacing: 0.4px; }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--vermilion); display: inline-block; }
.hero-title { font-size: clamp(36px, 5vw, 60px); line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; margin: 16px 0 18px; }
.hero-lead { font-size: clamp(16px, 1.4vw, 19px); color: var(--color-muted); max-width: 640px; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.hero-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 24px; padding-top: 24px; border-top: 1px solid var(--color-line); }
.hero-metric dt { font-size: clamp(22px, 2.4vw, 30px); font-weight: 700; letter-spacing: -0.01em; color: var(--color-text); }
.hero-metric dd { color: var(--color-muted); font-size: 13px; }
.hero-aside { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm); }
.hero-aside-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.hero-aside-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--vermilion); }
.hero-aside-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.hero-aside-list a { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 10px 12px; border-radius: 12px; align-items: baseline; }
.hero-aside-list a:hover { background: var(--color-surface-alt); }
.hero-aside-list time { color: var(--color-subtle); font-size: 12px; }
.hero-aside-list span { color: var(--color-text); font-size: 14px; line-height: 1.5; }

/* Section header */
.section-header { max-width: 760px; margin-bottom: 40px; }
.section-header-split { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; max-width: 100%; }
.section-label { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--vermilion); }
.label-line { width: 24px; height: 2px; background: var(--vermilion); display: inline-block; }
.section-title { font-size: clamp(26px, 3vw, 38px); margin: 12px 0 12px; letter-spacing: -0.01em; }
.section-desc { color: var(--color-muted); font-size: 16px; max-width: 640px; }
.section-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; color: var(--color-text); padding-bottom: 6px; border-bottom: 1px solid var(--color-line); }
.section-link:hover { color: var(--vermilion); border-color: var(--vermilion); }

/* Capability */
.capability-section { padding: 64px 0; background: var(--color-surface-alt); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.capability-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.capability-card { background: var(--color-surface); border-radius: var(--radius-md); border: 1px solid var(--color-line); padding: 28px; transition: var(--transition); }
.capability-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: transparent; }
.capability-icon { display: inline-flex; width: 44px; height: 44px; border-radius: 12px; background: var(--vermilion-pale); color: var(--vermilion); align-items: center; justify-content: center; margin-bottom: 16px; font-size: 18px; }
.capability-card h3 { font-size: 17px; margin-bottom: 8px; }
.capability-card p { color: var(--color-muted); font-size: 14px; }

/* Services modern */
.services-modern { padding: 80px 0; }
.services-modern-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.service-modern-card { background: var(--color-surface); border-radius: var(--radius-md); border: 1px solid var(--color-line); padding: 28px; display: flex; flex-direction: column; gap: 14px; transition: var(--transition); }
.service-modern-card:hover { border-color: transparent; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.service-modern-head { display: flex; align-items: center; gap: 12px; }
.service-modern-icon { width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: var(--color-text); color: var(--color-bg); font-size: 18px; }
.service-modern-card h3 { font-size: 17px; }
.service-modern-card p { color: var(--color-muted); font-size: 14px; flex: 1; }
.service-modern-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--vermilion); }

/* Pillars */
.pillars-section { padding: 80px 0; background: var(--color-surface-alt); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.pillars-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.pillar-item { display: grid; grid-template-columns: 64px 1fr; gap: 24px; align-items: flex-start; padding: 22px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); }
.pillar-index { font-size: 24px; font-weight: 700; color: var(--vermilion); letter-spacing: -0.02em; }
.pillar-body h3 { font-size: 17px; margin-bottom: 6px; }
.pillar-body p { color: var(--color-muted); font-size: 14px; }

/* Solutions rail */
.solutions-rail { padding: 80px 0; }
.solutions-rail-track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr); gap: 20px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x mandatory; }
.solution-rail-card { scroll-snap-align: start; padding: 28px; border-radius: var(--radius-lg); background: var(--color-text); color: var(--color-bg); display: flex; flex-direction: column; gap: 12px; min-height: 240px; transition: var(--transition); }
.solution-rail-card:nth-child(odd) { background: var(--vermilion); color: #fff; }
.solution-rail-card:hover { transform: translateY(-3px); }
.solution-rail-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,0.16); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; color: inherit; }
.solution-rail-card h3 { font-size: 18px; }
.solution-rail-card p { font-size: 14px; opacity: 0.85; flex: 1; }
.solution-rail-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: #fff; }

/* Logo strip */
.logo-strip { padding: 32px 0; background: var(--color-surface); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.logo-strip .container { display: flex; align-items: center; gap: 32px; }
.logo-strip-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--color-subtle); white-space: nowrap; }
.logo-strip-track { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 28px; }
.logo-strip-track li { color: var(--color-muted); font-weight: 600; letter-spacing: 0.4px; }

/* Testimonials */
.testimonial-section { padding: 80px 0; }
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.testimonial-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 28px; }
.testimonial-card blockquote { font-size: 17px; color: var(--color-text); line-height: 1.6; margin-bottom: 16px; }
.testimonial-card figcaption strong { color: var(--color-text); display: block; }
.testimonial-card figcaption span { color: var(--color-subtle); font-size: 13px; }

/* News editorial */
.news-editorial { padding: 80px 0; background: var(--color-surface-alt); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.news-editorial-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: auto auto; gap: 20px; }
.news-editorial-card { background: var(--color-surface); border-radius: var(--radius-md); border: 1px solid var(--color-line); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition); }
.news-editorial-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.news-editorial-card.feature { grid-row: span 2; }
.news-editorial-image img { width: 100%; height: 220px; object-fit: cover; }
.news-editorial-card.feature .news-editorial-image img { height: 360px; }
.news-editorial-body { padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-editorial-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--color-subtle); }
.news-tag { padding: 2px 10px; border-radius: 999px; background: var(--vermilion-pale); color: var(--vermilion); font-weight: 600; }
.news-editorial-card h3 { font-size: 17px; line-height: 1.4; }
.news-editorial-card.feature h3 { font-size: 22px; }
.news-editorial-card p { color: var(--color-muted); font-size: 14px; }

/* FAQ */
.faq-section { padding: 80px 0; }
.faq-grid { display: grid; gap: 12px; max-width: 880px; }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 18px 22px; }
.faq-item summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { color: var(--vermilion); }
.faq-item p { color: var(--color-muted); margin-top: 12px; font-size: 14px; }

/* CTA modern */
.cta-modern { padding: 80px 0 100px; }
.cta-modern-card { background: var(--color-text); color: var(--color-bg); border-radius: var(--radius-xl); padding: 56px clamp(24px, 6vw, 64px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; box-shadow: var(--shadow-lg); }
.cta-modern-card .section-label { color: var(--gold); }
.cta-modern-card h2 { font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.01em; }
.cta-modern-card p { color: rgba(255,255,255,0.78); margin-top: 12px; font-size: 16px; }
.cta-modern-card .cta-actions { display: flex; flex-direction: column; gap: 12px; }
.cta-modern-card .btn-primary { background: var(--vermilion); }
.cta-modern-card .btn-outline { border-color: rgba(255,255,255,0.3); color: #fff; }
.cta-modern-card .btn-outline:hover { background: rgba(255,255,255,0.08); border-color: #fff; color: #fff; }

/* Footer */
.site-footer { background: var(--color-surface); border-top: 1px solid var(--color-line); padding: 64px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.2fr 2fr; gap: 48px; }
.footer-brand .logo-img { height: 48px; width: auto; max-width: none; margin-bottom: 12px; }
.footer-brand .logo-text { display: block; font-size: 18px; margin-bottom: 12px; }
.footer-brand p { color: var(--color-muted); margin-bottom: 16px; }
.footer-meta { display: grid; gap: 6px; color: var(--color-muted); font-size: 13px; }
.footer-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 24px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--color-text); margin-bottom: 14px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-links a { color: var(--color-muted); font-size: 14px; }
.footer-links a:hover { color: var(--vermilion); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; margin-top: 32px; border-top: 1px solid var(--color-line); color: var(--color-subtle); font-size: 13px; gap: 16px; flex-wrap: wrap; }
.footer-copy a { color: inherit; text-decoration: underline; }
.footer-links-inline { display: flex; gap: 16px; }
.footer-links-inline a { color: var(--color-muted); font-size: 13px; }
.footer-links-inline a:hover { color: var(--vermilion); }

/* Back to top */
.back-to-top { position: fixed; right: 24px; bottom: 24px; width: 44px; height: 44px; border-radius: 50%; background: var(--color-text); color: var(--color-bg); border: 0; box-shadow: var(--shadow-md); cursor: pointer; opacity: 0; pointer-events: none; transition: var(--transition); z-index: 80; }
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--vermilion); color: #fff; }

/* List/topic/page reused */
.page-banner { padding: 56px 0 48px; background: var(--color-surface-alt); border-bottom: 1px solid var(--color-line); }
.page-banner h1 { font-size: clamp(28px, 3vw, 40px); margin-bottom: 12px; }
.page-banner p { color: var(--color-muted); max-width: 720px; }
.banner-meta { color: var(--color-subtle); font-size: 14px; margin-top: 12px; }
.banner-actions { margin-top: 16px; display: inline-flex; flex-wrap: wrap; gap: 12px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--color-subtle); margin-bottom: 12px; }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb .current { color: var(--color-text); }

.taxonomy-children { background: var(--color-surface); border-bottom: 1px solid var(--color-line); padding: 16px 0; }
.taxonomy-children-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.taxonomy-children-list a { padding: 6px 14px; border-radius: 999px; background: var(--color-surface-alt); border: 1px solid var(--color-line); font-size: 13px; color: var(--color-muted); }
.taxonomy-children-list a:hover { color: var(--vermilion); border-color: var(--vermilion); }

.list-section { padding: 56px 0 80px; }
.list-layout { display: grid; grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr); gap: 32px; }
.list-card { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--color-line); background: var(--color-surface); margin-bottom: 16px; transition: var(--transition); }
.list-card:hover { border-color: transparent; box-shadow: var(--shadow-md); }
.list-card-image { display: block; border-radius: var(--radius-sm); overflow: hidden; }
.list-card-image img { width: 100%; height: 140px; object-fit: cover; }
.list-card-title { font-size: 18px; margin-bottom: 8px; }
.list-card-title a { color: var(--color-text); }
.list-card-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--color-subtle); margin-bottom: 8px; }
.list-card-meta time, .list-card-meta span { display: inline-flex; align-items: center; gap: 4px; }
.list-card-excerpt { color: var(--color-muted); font-size: 14px; margin-bottom: 12px; }
.list-card-link { font-weight: 600; color: var(--vermilion); display: inline-flex; gap: 6px; align-items: center; }
.list-empty { background: var(--color-surface); border: 1px dashed var(--color-line); border-radius: var(--radius-md); padding: 48px 24px; text-align: center; color: var(--color-muted); }
.list-empty i { font-size: 28px; color: var(--vermilion); margin-bottom: 12px; display: inline-block; }

.list-sidebar { display: grid; gap: 16px; align-content: start; }
.sidebar-widget, .sidebar-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 20px; }
.widget-title, .sidebar-title { font-size: 14px; text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 12px; }
.hot-posts { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.hot-posts a { color: var(--color-muted); font-size: 14px; }
.hot-posts a:hover { color: var(--vermilion); }
.sidebar-card.cta { background: var(--color-text); color: var(--color-bg); }
.sidebar-card.cta .sidebar-title, .sidebar-card.cta p { color: #fff; }

.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 32px; }
.pagination-link { min-width: 36px; height: 36px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid var(--color-line); background: var(--color-surface); color: var(--color-muted); font-weight: 500; }
.pagination-link:hover { color: var(--vermilion); border-color: var(--vermilion); }
.pagination-link.active { background: var(--vermilion); color: #fff; border-color: var(--vermilion); }

/* Article */
.page-hero { padding: 56px 0 32px; background: var(--color-surface-alt); border-bottom: 1px solid var(--color-line); }
.page-hero-title { font-size: clamp(28px, 3.4vw, 44px); margin-bottom: 12px; letter-spacing: -0.01em; }
.page-hero-excerpt { color: var(--color-muted); max-width: 760px; margin-bottom: 16px; }
.page-hero-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--color-subtle); font-size: 13px; }
.article-section, .page-section { padding: 48px 0 80px; }
.article-layout, .page-layout { display: grid; grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr); gap: 40px; }
.article-cover img { border-radius: var(--radius-md); width: 100%; }
.article-content, .page-content { font-size: 16px; line-height: 1.85; color: var(--color-text); }
.article-content h2, .page-content h2 { margin: 32px 0 12px; }
.article-content h3, .page-content h3 { margin: 24px 0 10px; }
.article-content p, .page-content p { margin-bottom: 16px; }
.article-content img, .page-content img { border-radius: var(--radius-sm); margin: 16px 0; }
.article-content blockquote, .page-content blockquote { border-left: 3px solid var(--vermilion); padding: 12px 16px; background: var(--color-surface-alt); border-radius: 6px; color: var(--color-muted); }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; }
.post-nav-item { padding: 16px 20px; border-radius: var(--radius-md); border: 1px solid var(--color-line); background: var(--color-surface); }
.post-nav-item.next { text-align: right; }
.post-nav-label { font-size: 12px; color: var(--color-subtle); display: block; margin-bottom: 4px; }
.post-nav-title { display: block; font-weight: 600; }

.related-posts { margin-top: 48px; }
.related-title { font-size: 18px; margin-bottom: 16px; }
.related-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.related-list a { display: flex; gap: 12px; padding: 12px; border-radius: var(--radius-md); border: 1px solid var(--color-line); background: var(--color-surface); }
.related-list img { width: 64px; height: 64px; object-fit: cover; border-radius: var(--radius-xs); flex-shrink: 0; }
.related-list h4 { font-size: 14px; margin-bottom: 4px; }
.related-list time { font-size: 12px; color: var(--color-subtle); }

.article-toc, .docs-toc { margin: 24px 0; padding: 16px 20px; background: var(--color-surface-alt); border-left: 4px solid var(--vermilion); border-radius: var(--radius-sm); }
.article-toc h4, .docs-toc h4 { font-size: 14px; margin-bottom: 8px; }
.article-toc ol, .docs-toc ol { list-style: none; padding: 0; counter-reset: toc; }
.article-toc li, .docs-toc li { counter-increment: toc; margin: 4px 0; font-size: 14px; }
.article-toc li::before, .docs-toc li::before { content: counter(toc) "."; margin-right: 8px; color: var(--vermilion); font-weight: 600; }
.article-toc li.level-h3, .docs-toc li.level-h3 { padding-left: 16px; }

.page-cta { margin-top: 40px; padding: 28px; background: var(--color-surface-alt); border-radius: var(--radius-md); border: 1px solid var(--color-line); text-align: center; }
.page-cta-actions { display: inline-flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }

/* Downloads & Docs */
.downloads-section .container, .docs-section .container { display: grid; grid-template-columns: minmax(220px, 260px) 1fr; gap: 32px; padding-top: 32px; padding-bottom: 64px; align-items: flex-start; }
.downloads-filter, .docs-nav { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 20px; position: sticky; top: 100px; max-height: calc(100vh - 140px); overflow-y: auto; }
.downloads-filter h4, .docs-nav-section h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 12px; }
.downloads-filter ul, .docs-nav-section ul { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 4px; }
.downloads-filter a, .docs-nav-section a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--color-muted); font-size: 14px; }
.downloads-filter a.active, .downloads-filter a:hover, .docs-nav-section a:hover { background: var(--color-surface-alt); color: var(--vermilion); }
.docs-nav-section h4 a { color: var(--color-text); }
.downloads-list { display: grid; gap: 16px; }
.download-card { display: grid; grid-template-columns: 56px 1fr auto; gap: 16px; align-items: center; padding: 18px 20px; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); }
.download-icon { width: 56px; height: 56px; border-radius: 12px; background: var(--color-surface-alt); color: var(--vermilion); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; }
.download-title { font-size: 15px; margin-bottom: 6px; }
.download-meta { color: var(--color-subtle); font-size: 13px; display: flex; flex-wrap: wrap; gap: 12px; }
.docs-content { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 32px; min-height: 400px; }

/* Error page */
.error-suggestions { padding: 48px 0 80px; }
.error-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.error-card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 20px; }
.error-card h3 { font-size: 15px; margin-bottom: 12px; }

@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; }
    .news-editorial-grid { grid-template-columns: 1fr 1fr; }
    .news-editorial-card.feature { grid-row: span 1; }
    .footer-top { grid-template-columns: 1fr; }
    .article-layout, .page-layout, .list-layout { grid-template-columns: 1fr; }
    .downloads-section .container, .docs-section .container { grid-template-columns: 1fr; }
    .downloads-filter, .docs-nav { position: static; max-height: none; }
    .header-search { display: none; }
}

@media (max-width: 768px) {
    .site-nav { display: none; }
    .mobile-menu-toggle { display: inline-flex; }
    .section-header-split { flex-direction: column; align-items: flex-start; }
    .news-editorial-grid { grid-template-columns: 1fr; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav-item.next { text-align: left; }
    .cta-modern-card { grid-template-columns: 1fr; }
    .list-card { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}