/* Media Parse — theme from test1 (#3b82f6), SnapAny-like tool site */

:root {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-soft: #eff6ff;
  --primary-mid: #dbeafe;
  --bg: #f9fafb;
  --surface: #ffffff;
  --ink: #111827;
  --ink-soft: #6b7280;
  --ink-mid: #374151;
  --line: #e5e7eb;
  --success: #22c55e;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-display: var(--font);
  --header-h: 72px;
  --site: "媒体解析";
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  padding: 8px 12px;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-mid);
}

.nav > a,
.nav-drop > summary {
  padding: 8px 12px;
  border-radius: 8px;
  list-style: none;
  cursor: pointer;
}

.nav > a:hover,
.nav-drop > summary:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.nav-drop {
  position: relative;
}

.nav-drop > summary::-webkit-details-marker {
  display: none;
}

.nav-drop[open] > summary {
  background: var(--primary-soft);
  color: var(--primary);
}

.nav-drop-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 2px;
}

.nav-drop-menu a {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}

.nav-drop-menu a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.nav-cta {
  margin-left: 8px;
  padding: 8px 16px !important;
  background: var(--primary) !important;
  color: #fff !important;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--primary-hover) !important;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 8px 20px 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.mobile-nav a {
  padding: 12px 8px;
  font-size: 15px;
  border-radius: 8px;
}

.mobile-nav a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 650;
  font-size: 15px;
  border: 1px solid transparent;
  transition: background 0.15s ease, transform 0.15s ease;
  cursor: pointer;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.28);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
  transform: none;
  box-shadow: none;
}

/* Hero */
.hero {
  position: relative;
  padding: 64px 0 72px;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 15% -10%, rgba(59, 130, 246, 0.16), transparent 55%),
    radial-gradient(700px 360px at 90% 0%, rgba(37, 99, 235, 0.1), transparent 50%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.hero-inner {
  display: grid;
  gap: 18px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.hero-lead {
  margin: 0;
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 36em;
}

.hero-lead strong {
  color: var(--primary);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-size: 14px;
}

.hero-meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* Promo strip */
.promo {
  background: var(--primary);
  color: #fff;
  padding: 12px 0;
  font-size: 14px;
}

.promo .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.promo a {
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Sections */
.section {
  padding: 72px 0;
}

.section-alt {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0;
  font-size: clamp(26px, 3.5vw, 34px);
  letter-spacing: -0.02em;
  font-weight: 750;
}

.section-lead {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 42em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.feature-card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 14px;
}

/* Platforms */
.platform-label {
  margin: 32px 0 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.platform-list a,
.platform-list span {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.platform-list a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

.platform-more {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.platform-tile {
  display: block;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.platform-tile:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.platform-tile h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.platform-tile p {
  margin: 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* Download panel */
.download-panel {
  padding: 40px;
  border-radius: 20px;
  background: linear-gradient(160deg, var(--primary-soft), #fff 55%);
  border: 1px solid var(--primary-mid);
  box-shadow: var(--shadow);
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.download-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* Steps */
.steps {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
}

.steps h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

/* FAQ */
.faq-list {
  margin-top: 28px;
  max-width: 800px;
  display: grid;
  gap: 0;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 650;
  font-size: 16px;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list details p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

/* Page hero (subpages) */
.page-hero {
  padding: 48px 0 40px;
  background: linear-gradient(180deg, #fff, var(--bg));
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
}

.page-hero .section-lead {
  margin-top: 12px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-soft);
}

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

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--line);
}

.prose {
  max-width: 720px;
}

.prose h2 {
  margin: 36px 0 12px;
  font-size: 22px;
}

.prose p,
.prose li {
  color: var(--ink-mid);
  font-size: 15px;
}

.prose ul {
  padding-left: 1.2em;
}

.cta-band {
  margin-top: 40px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--primary-soft);
  border: 1px solid var(--primary-mid);
}

.cta-band h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.cta-band p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}

/* Footer */
.site-footer {
  padding: 48px 0 40px;
  background: #fff;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 32px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 10px;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.footer-col h3 {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--ink);
  font-weight: 700;
}

.footer-col a {
  display: block;
  padding: 4px 0;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .feature-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .download-panel {
    padding: 28px 20px;
  }
}