/*
Theme Name: CloudKOL
Theme URI: https://www.cloudkol.com
Description: CloudKOL —— 全球网红营销一站式解决方案平台主题。KOL推广、红人营销、社媒投放全流程支持。
Version: 1.0.0
Author: CloudKOL
Author URI: https://www.cloudkol.com
License: GPL-2.0+
Text Domain: cloudkol
*/

/* ══════════════════════════ VARIABLES ══════════════════════════ */
:root {
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1d4ed8;
  --color-accent: #6366f1;
  --color-accent-light: #818cf8;
  --color-highlight: #06b6d4;
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-bg-white: #ffffff;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-muted: #94a3b8;
  --color-dark: #0f172a;
  --color-dark-alt: #1e293b;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --font-heading: 'Inter', 'Noto Sans SC', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.08);
  --shadow-lg: 0 10px 30px rgba(15,23,42,0.1);
  --shadow-xl: 0 20px 60px rgba(15,23,42,0.12);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ══════════════════════════ RESET ══════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body); font-size: 16px; line-height: 1.7;
  color: var(--color-text); background: var(--color-bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--color-dark); line-height: 1.3; }

/* ══════════════════════════ HEADER ══════════════════════════ */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
  height: 72px; display: flex; align-items: center;
}
#site-header.scrolled {
  background: rgba(255,255,255,0.97); border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
body.admin-bar #site-header { top: 32px !important; }
.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  width: 100%; display: flex; align-items: center; justify-content: space-between;
}
.site-logo { font-size: 1.4rem; font-weight: 800; color: var(--color-dark); font-family: var(--font-heading); display: flex; align-items: center; gap: 0.5rem; text-decoration: none; flex-shrink: 0; }
.site-logo span { color: var(--color-primary); }
.site-logo:hover { color: var(--color-dark); }

/* ── NAV ── */
.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.site-nav { display: flex; align-items: center; }
.nav-menu { display: flex; align-items: center; list-style: none; gap: 0.25rem; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: flex; align-items: center; gap: 0.3rem;
  padding: 0.55rem 1rem; font-size: 0.92rem; font-weight: 500;
  color: var(--color-text); border-radius: var(--radius-sm);
  transition: all var(--transition); white-space: nowrap;
}
.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a { color: var(--color-primary); background: rgba(37,99,235,0.06); }
.nav-menu > li > a .nav-arrow { transition: transform var(--transition); width: 14px; height: 14px; }
.nav-menu > li:hover > a .nav-arrow { transform: rotate(180deg); }

/* Dropdown */
.nav-menu > li > .sub-menu {
  display: none; position: absolute; top: 100%; left: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none; padding: 0.5rem 0;
  z-index: 200;
}
.nav-menu > li:hover > .sub-menu { display: block; }
.nav-menu > li:has(> .sub-menu)::after { content: ''; position: absolute; top: 100%; left: 0; right: 0; height: 12px; z-index: 199; }
.sub-menu li a {
  display: block; padding: 0.55rem 1.25rem; font-size: 0.88rem; color: var(--color-text);
  transition: all var(--transition);
}
.sub-menu li a:hover { background: var(--color-bg-alt); color: var(--color-primary); }

.header-cta-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1.4rem; background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff !important; border-radius: var(--radius-sm); font-size: 0.88rem; font-weight: 600;
  transition: all var(--transition); white-space: nowrap; text-decoration: none;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.header-cta-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(37,99,235,0.4); color: #fff; }

.menu-toggle { display: none; background: none; border: none; padding: 0.5rem; color: var(--color-text); }

/* ══════════════════════════ FOOTER ══════════════════════════ */
#site-footer {
  background: var(--color-dark); color: #cbd5e1; padding: 4rem 2rem 2rem;
}
.footer-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem;
}
.footer-brand { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 1rem; font-family: var(--font-heading); }
.footer-brand span { color: var(--color-primary-light); }
.footer-desc { font-size: 0.88rem; line-height: 1.7; color: #94a3b8; margin-bottom: 1.5rem; }
.footer-social { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.5rem; }
.footer-social a {
  display: flex; align-items: center; justify-content: center; width: 36px; height: 36px;
  border-radius: 50%; background: rgba(255,255,255,0.08); color: #94a3b8;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 1.25rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.65rem; }
.footer-col ul li a { color: #94a3b8; font-size: 0.88rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  max-width: 1280px; margin: 2.5rem auto 0; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  font-size: 0.82rem; color: #64748b;
}
.footer-wa {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 1.2rem;
  background: #25D366; color: #fff; border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 600;
  transition: opacity var(--transition);
}
.footer-wa:hover { opacity: 0.9; color: #fff; }

/* ══════════════════════════ PAGE HERO ══════════════════════════ */
.page-hero {
  padding: 7rem 2rem 4rem;
  text-align: center;
  background: linear-gradient(135deg, #eff6ff 0%, #eef2ff 50%, #f0f9ff 100%);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(37,99,235,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero h1 { font-size: 2.4rem; font-weight: 800; color: var(--color-dark); margin-bottom: 0.6rem; }
.page-hero p { font-size: 1.05rem; color: var(--color-text-light); max-width: 640px; margin: 0 auto; }

/* ══════════════════════════ SECTION ══════════════════════════ */
.section { padding: 5rem 2rem; }
.section-alt { background: var(--color-bg-alt); }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: 2rem; font-weight: 800; color: var(--color-dark); margin-top: 0.6rem; }

.section-tag {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(37,99,235,0.1); color: var(--color-primary);
  padding: 0.3rem 1rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.section-tag > svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ══════════════════════════ BUTTONS ══════════════════════════ */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.8rem; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.92rem; transition: all var(--transition); border: none; }
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: #fff; box-shadow: 0 2px 12px rgba(37,99,235,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.4); color: #fff; }
.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-lg { padding: 0.85rem 2.2rem; font-size: 1rem; }
.btn-white { background: #fff; color: var(--color-primary); }
.btn-white:hover { color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ══════════════════════════ HERO (Front Page) ══════════════════════════ */
.hero-section {
  padding: 8rem 2rem 6rem;
  background: linear-gradient(160deg, #eff6ff 0%, #eef2ff 45%, #f8fafc 100%);
  position: relative; overflow: hidden;
}
.hero-section::before {
  content: ''; position: absolute; top: -120px; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-section::after {
  content: ''; position: absolute; bottom: -80px; left: -5%;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(6,182,212,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner { max-width: 1280px; margin: 0 auto; position: relative; z-index: 1; display: flex; align-items: center; gap: 4rem; }
.hero-text { flex: 1; }
.hero-text h1 { font-size: 3rem; font-weight: 900; line-height: 1.2; color: var(--color-dark); margin-bottom: 1.25rem; }
.hero-text h1 .highlight { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-text p { font-size: 1.1rem; color: var(--color-text-light); line-height: 1.8; margin-bottom: 2rem; max-width: 560px; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-visual { flex: 0 0 460px; }

/* ══════════════════════════ STATS ══════════════════════════ */
.stats-row {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  transform: translateY(-40px); position: relative; z-index: 2;
}
.stat-card {
  background: #fff; border-radius: var(--radius-lg); padding: 1.75rem; text-align: center;
  box-shadow: var(--shadow-lg); border: 1px solid var(--color-border);
}
.stat-card .stat-num { font-size: 2rem; font-weight: 900; font-family: var(--font-heading); }
.stat-card .stat-num.grad { background: linear-gradient(135deg, var(--color-primary), var(--color-highlight)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-card .stat-label { font-size: 0.85rem; color: var(--color-text-light); margin-top: 0.3rem; }

/* ══════════════════════════ FEATURE CARDS ══════════════════════════ */
/* front-page why-cloudkol 6-feature grid */
.cards-2col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.cards-3col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cards-4col { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.feature-card {
  background: #fff; border-radius: var(--radius-lg); padding: 2rem;
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); }
.feature-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.feature-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 0.6rem; }
.feature-card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.65; }

/* ══════════════════════════ PLATFORM CARDS ══════════════════════════ */
.platform-card {
  background: #fff; border-radius: var(--radius-lg); padding: 1.5rem;
  border: 1px solid var(--color-border); text-align: center;
  transition: all var(--transition);
}
.platform-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
.platform-card .platform-icon { width: 48px; height: 48px; margin: 0 auto 0.85rem; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); }
.platform-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.25rem; }
.platform-card .platform-stats { font-size: 0.78rem; color: var(--color-text-muted); }

/* ══════════════════════════ PROCESS STEPS ══════════════════════════ */
.steps-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; position: relative; }
.step-card { text-align: center; padding: 2rem 1.5rem; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--color-border); position: relative; }
.step-card .step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem; font-family: var(--font-heading);
}
.step-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.step-card p { font-size: 0.83rem; color: var(--color-text-light); line-height: 1.55; }

/* ══════════════════════════ CASE CARDS ══════════════════════════ */
.case-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border); transition: all var(--transition);
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-card img { width: 100%; height: 200px; object-fit: cover; }
.case-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.case-card-body .case-tag { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-primary); background: rgba(37,99,235,0.08); padding: 0.2rem 0.7rem; border-radius: 999px; margin-bottom: 0.65rem; align-self: flex-start; }
.case-card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.case-card-body .case-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.case-card-body .case-stats { display: flex; gap: 1rem; margin-top: auto; }
.case-card-body .case-stat { text-align: center; }
.case-card-body .case-stat .num { font-size: 1.2rem; font-weight: 800; color: var(--color-primary); }
.case-card-body .case-stat .lbl { font-size: 0.7rem; color: var(--color-text-muted); }

/* ══════════════════════════ CTA SECTION ══════════════════════════ */
.cta-section {
  padding: 5rem 2rem; text-align: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 240px; height: 240px;
  background: rgba(255,255,255,0.06); border-radius: 50%;
}
.cta-section::after {
  content: ''; position: absolute; bottom: -40px; left: -40px;
  width: 160px; height: 160px;
  background: rgba(255,255,255,0.04); border-radius: 50%;
}
.cta-section h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 1rem; }
.cta-section p { font-size: 1.05rem; opacity: 0.9; max-width: 600px; margin: 0 auto 2rem; }

/* ══════════════════════════ SERVICE CARDS (Marketing Services) ══════════════════════════ */
.service-card {
  background: #fff; border-radius: var(--radius-lg); padding: 2.25rem 2rem;
  border: 1px solid var(--color-border); transition: all var(--transition);
  display: flex; flex-direction: column; align-items: flex-start;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); }
.service-card .s-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.6rem; }
.service-card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.7; }
.service-card ul { list-style: none; margin-top: 1rem; }
.service-card ul li { font-size: 0.85rem; color: var(--color-text-light); padding: 0.25rem 0; display: flex; align-items: center; gap: 0.4rem; }
.service-card ul li::before { content: '✓'; color: var(--color-primary); font-weight: 700; }

/* ══════════════════════════ PRODUCT / SOLUTION CARDS ══════════════════════════ */
.solution-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.solution-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.solution-card img { width: 100%; height: 180px; object-fit: cover; }
.solution-card-body { padding: 1.5rem; }
.solution-card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; }
.solution-card-body p { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.6; }

/* ══════════════════════════ FORM ══════════════════════════ */
.form-card { background: #fff; border-radius: var(--radius-lg); padding: 2.5rem; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.86rem; color: var(--color-dark); margin-bottom: 0.4rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.7rem 1rem; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm); font-size: 0.92rem; font-family: inherit;
  transition: border-color var(--transition); background: var(--color-bg); color: var(--color-text);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-check { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.form-check label {
  display: flex !important; align-items: center; gap: 0.4rem;
  padding: 0.45rem 1rem; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 500 !important;
  cursor: pointer; transition: all var(--transition);
}
.form-check label:hover { border-color: var(--color-primary); background: rgba(37,99,235,0.04); }
.form-check input[type="checkbox"] { width: auto; }
.form-submit-btn {
  width: 100%; padding: 0.85rem; background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; border: none; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: all var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.form-submit-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,0.35); }
.form-success { display: none; text-align: center; padding: 1rem; background: #ecfdf5; border-radius: var(--radius-sm); color: #059669; font-weight: 600; }

/* ══════════════════════════ FAQ ══════════════════════════ */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%; text-align: left; padding: 1.1rem 0;
  background: none; border: none; font-size: 1rem; font-weight: 600;
  color: var(--color-dark); display: flex; align-items: center; gap: 0.75rem;
  cursor: pointer; transition: color var(--transition);
}
.faq-question:hover { color: var(--color-primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 0 0 2rem; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 2rem 1.2rem 2rem; }
.faq-answer p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.7; }

/* ══════════════════════════ ARTICLE LIST ══════════════════════════ */
.archive-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.article-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.article-card-thumb { width: 100%; height: 200px; object-fit: cover; }
.article-card-body { padding: 1.25rem; }
.article-card-body .article-cats { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.article-card-body .article-cat { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; padding: 0.2rem 0.6rem; background: rgba(37,99,235,0.08); color: var(--color-primary); border-radius: 999px; }
.article-card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; line-height: 1.4; }
.article-card-body h3 a { color: var(--color-dark); }
.article-card-body h3 a:hover { color: var(--color-primary); }
.article-card-body .article-meta { font-size: 0.78rem; color: var(--color-text-muted); }
.article-card-body .article-excerpt { font-size: 0.85rem; color: var(--color-text-light); margin-top: 0.5rem; line-height: 1.55; }

/* ══════════════════════════ SINGLE ARTICLE ══════════════════════════ */
.single-article { padding: 3rem 0; }
.article-layout { display: grid; grid-template-columns: 1fr 280px; gap: 3rem; align-items: start; }
.article-main { min-width: 0; }

/* TOC sidebar */
.toc-sidebar { position: sticky; top: 100px; }
.toc-sidebar h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-bottom: 0.75rem; font-weight: 700; }
.toc-sidebar ul { list-style: none; border-left: 2px solid var(--color-border); }
.toc-sidebar ul li { }
.toc-sidebar ul li a {
  display: block; padding: 0.35rem 1rem; font-size: 0.82rem; color: var(--color-text-light);
  border-left: 2px solid transparent; margin-left: -2px; transition: all var(--transition);
}
.toc-sidebar ul li a:hover { color: var(--color-primary); }
.toc-sidebar ul li a.active { color: var(--color-primary); font-weight: 600; border-left-color: var(--color-primary); }
.toc-sidebar ul li.toc-h3 a { padding-left: 2rem; font-size: 0.78rem; }

/* Article body typography — !important to override TailwindCDN preflight */
.cloudkol-article-body { font-size: 1.02rem; line-height: 1.85; color: var(--color-text); }
.cloudkol-article-body h2 { font-size: 1.5rem !important; font-weight: 800 !important; margin: 2.5rem 0 1rem !important; color: var(--color-dark) !important; padding-bottom: 0.4rem !important; border-bottom: 2px solid var(--color-border) !important; }
.cloudkol-article-body h3 { font-size: 1.2rem !important; font-weight: 700 !important; margin: 2rem 0 0.8rem !important; color: var(--color-dark) !important; }
.cloudkol-article-body p { margin-bottom: 1.1rem !important; font-size: 1.02rem !important; line-height: 1.85 !important; color: var(--color-text) !important; }
.cloudkol-article-body ul, .cloudkol-article-body ol { margin: 0.8rem 0 1.2rem 1.5rem !important; }
.cloudkol-article-body li { margin-bottom: 0.35rem !important; font-size: 1.02rem !important; line-height: 1.8 !important; }
.cloudkol-article-body img { max-width: 100% !important; height: auto !important; border-radius: var(--radius-md) !important; margin: 1.2rem 0 !important; }
.cloudkol-article-body blockquote { border-left: 4px solid var(--color-primary) !important; padding: 1rem 1.5rem !important; margin: 1.5rem 0 !important; background: var(--color-bg-alt) !important; border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important; }
.cloudkol-article-body blockquote p { margin-bottom: 0 !important; color: var(--color-text-light) !important; font-style: italic !important; }
.cloudkol-article-body a { color: var(--color-primary) !important; text-decoration: underline !important; }
.cloudkol-article-body table { width: 100% !important; border-collapse: collapse !important; margin: 1.5rem 0 !important; }
.cloudkol-article-body table th, .cloudkol-article-body table td { padding: 0.7rem 1rem !important; border: 1px solid var(--color-border) !important; text-align: left !important; }
.cloudkol-article-body table th { background: var(--color-bg-alt) !important; font-weight: 700 !important; }
.cloudkol-article-body pre { background: var(--color-dark) !important; color: #e2e8f0 !important; padding: 1.2rem !important; border-radius: var(--radius-md) !important; overflow-x: auto !important; margin: 1.2rem 0 !important; font-size: 0.88rem !important; }
.cloudkol-article-body code { background: var(--color-bg-alt) !important; padding: 0.15rem 0.4rem !important; border-radius: 3px !important; font-size: 0.88rem !important; }
.cloudkol-article-body pre code { background: none !important; padding: 0 !important; }

/* Related posts */
.related-posts { margin-top: 3.5rem; padding-top: 2rem; border-top: 2px solid var(--color-border); }
.related-posts h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 1.5rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.related-card { background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); transition: all var(--transition); }
.related-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.related-card img { width: 100%; height: 140px; object-fit: cover; }
.related-card-body { padding: 0.85rem; }
.related-card-body h4 { font-size: 0.88rem; font-weight: 700; line-height: 1.4; }
.related-card-body h4 a { color: var(--color-dark); }
.related-card-body h4 a:hover { color: var(--color-primary); }

/* Post nav */
.post-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.post-nav a { font-size: 0.88rem; color: var(--color-text-light); transition: color var(--transition); }
.post-nav a:hover { color: var(--color-primary); }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 0.4rem; margin-top: 3rem; }
.pagination a, .pagination span { padding: 0.5rem 0.9rem; border-radius: var(--radius-sm); font-size: 0.88rem; font-weight: 500; border: 1px solid var(--color-border); background: #fff; color: var(--color-text); transition: all var(--transition); }
.pagination span.current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination a:hover { background: var(--color-bg-alt); border-color: var(--color-primary); }

/* ══════════════════════════ ABOUT PAGE ══════════════════════════ */
.about-values { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.value-card { text-align: center; padding: 2rem 1.5rem; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--color-border); transition: all var(--transition); }
.value-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.value-card .v-icon { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
.value-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.value-card p { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.6; }

/* ══════════════════════════ CONTACT PAGE ══════════════════════════ */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-bottom: 4rem; }
.contact-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 1.75rem; text-align: center; transition: all var(--transition);
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.contact-card .c-icon {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem;
}
.contact-card h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 0.4rem; }
.contact-card p, .contact-card a { font-size: 0.85rem; color: var(--color-text-light); }
.contact-card a:hover { color: var(--color-primary); }

/* ══════════════════════════ FLOATING QUOTE BTN ══════════════════════════ */
.float-quote-btn {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; border-radius: 999px; font-weight: 700; font-size: 0.92rem;
  box-shadow: 0 4px 20px rgba(37,99,235,0.35);
  transition: all var(--transition); border: none; cursor: pointer; text-decoration: none;
}
.float-quote-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,99,235,0.45); color: #fff; }

/* ══════════════════════════ ANIMATIONS ══════════════════════════ */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse-ring { 0% { box-shadow: 0 0 0 0 rgba(37,99,235,0.4); } 70% { box-shadow: 0 0 0 15px rgba(37,99,235,0); } 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0); } }

/* ══════════════════════════ RESPONSIVE ══════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-text h1 { font-size: 2.2rem; }
  .hero-text p { max-width: 100%; }
  .hero-visual { flex: 0; width: 100%; max-width: 400px; margin: 0 auto; }
  .hero-btns { justify-content: center; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .cards-3col { grid-template-columns: repeat(2, 1fr); }
  .cards-4col { grid-template-columns: repeat(2, 1fr); }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .archive-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .toc-sidebar { display: none; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-right { position: relative; }
  .site-nav {
    display: none; position: absolute; top: calc(100% + 1rem); right: 0;
    min-width: 240px; background: #fff; border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl); border: 1px solid var(--color-border); padding: 0.5rem;
    z-index: 200;
  }
  .site-nav.is-open { display: block; }
  .nav-menu { flex-direction: column; gap: 0; }
  .nav-menu > li > .sub-menu { position: static; box-shadow: none; border: none; padding: 0 0 0 1.5rem; background: var(--color-bg-alt); border-radius: 0; min-width: auto; }
  .nav-menu > li.menu-item-has-children > a .nav-arrow { transition: transform var(--transition); }
  .nav-menu > li.menu-item-has-children.open > a .nav-arrow { transform: rotate(180deg); }
  .nav-menu > li > .sub-menu { display: none; }
  .nav-menu > li.open > .sub-menu { display: block; }
}
@media (max-width: 768px) {
  .hero-text h1 { font-size: 1.8rem; }
  .page-hero h1 { font-size: 1.8rem; }
  .section { padding: 3rem 1.25rem; }
  .section-inner { padding: 0; }
  .cards-2col, .cards-3col, .cards-4col { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); transform: translateY(-20px); }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .archive-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .hero-section { padding: 6rem 1.25rem 3rem; }
  .header-inner { padding: 0 1.25rem; }
}
@media (max-width: 480px) {
  .hero-text h1 { font-size: 1.6rem; }
  .stats-row { grid-template-columns: 1fr; transform: translateY(0); }
  .steps-row { grid-template-columns: 1fr; }
}
/* Post tags */
.post-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid #e2e8f0; }
.post-tags-label { font-size: 0.88rem; font-weight: 600; color: #334155; }
.post-tag-item {
  display: inline-block; font-size: 0.8rem; padding: 0.25rem 0.75rem;
  background: #eff6ff; color: #1d4ed8; border-radius: 999px;
  text-decoration: none; font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.post-tag-item:hover { background: #dbeafe; color: #1e40af; }