/*
Theme Name: 彭耀华品牌GEO官网
Theme URI: https://43.136.34.151/
Author: 长沙嗨点广告有限公司
Description: 品牌GEO优化指导师彭耀华定制官网主题，支持实战案例、媒体信源和GEO问答自动更新。
Version: 1.1.0
Requires at least: 6.4
Requires PHP: 7.4
Text Domain: pyhgeo
*/

:root {
  --ink: #121925;
  --muted: #667485;
  --line: #d9e2ea;
  --paper: #f6f8fb;
  --soft: #edf4f8;
  --green: #0f4267;
  --green-2: #176b88;
  --gold: #ff8a3d;
  --cyan: #36c5f0;
  --navy: #091522;
  --white: #ffffff;
  --shadow: 0 18px 60px rgba(9, 21, 34, 0.12);
}

/* WordPress integration */
.admin-bar .site-header { top: 32px; }
.nav-toggle { display: none; border: 1px solid var(--line); background: transparent; padding: .55rem .8rem; border-radius: 999px; }
.dynamic-card h3 a, .post-card h2 a { color: inherit; text-decoration: none; }
.dynamic-card .case-proof { display: block; overflow: hidden; }
.dynamic-card .case-proof img { width: 100%; height: 100%; object-fit: cover; }
.text-link { display: inline-block; margin-top: 1rem; font-weight: 700; color: var(--green-2); text-decoration: none; }
.section-more { text-align: center; margin-top: 2rem; }
.dynamic-media > a { text-decoration: none; color: inherit; }
.dynamic-media > a > img { object-fit: cover; }
.content-index, .single-entry { padding-top: clamp(7rem, 12vw, 11rem); }
.post-grid { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.4rem; }
.post-card { border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: #fff; }
.post-card > img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.post-card > div { padding: 1.4rem; }
.post-card h2 { font-size: 1.35rem; line-height: 1.35; }
.single-entry { width: min(900px, calc(100% - 2rem)); margin: 0 auto; padding-bottom: 6rem; }
.single-entry > header { margin-bottom: 2.5rem; }
.single-entry h1 { font-size: clamp(2.3rem, 6vw, 5rem); line-height: 1.04; letter-spacing: -.04em; }
.single-cover img { width: 100%; height: auto; border-radius: 28px; }
.entry-content { font-size: clamp(1.05rem, 1.6vw, 1.28rem); line-height: 1.9; }
.entry-content img { max-width: 100%; height: auto; border-radius: 14px; }
.entry-content h2, .entry-content h3 { margin-top: 2.2em; }
.source-link { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.empty-state { min-height: 60vh; text-align: center; padding-top: 12rem; }

@media (max-width: 900px) {
  .admin-bar .site-header { top: 46px; }
  .site-header { flex-wrap: wrap; }
  .nav-toggle { display: block; }
  .site-header nav { display: none; width: 100%; padding-top: 1rem; flex-wrap: wrap; }
  .site-header.nav-open nav { display: flex; }
  .post-grid { grid-template-columns: 1fr; }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans), "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

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

main {
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(220, 229, 223, 0.82);
  background: rgba(246, 248, 251, 0.91);
  backdrop-filter: blur(18px);
}

.brand,
.site-header nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  color: var(--white);
  font-size: 13px;
}

.site-header nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.site-header nav a {
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 14px;
}

.site-header nav a:hover {
  background: var(--soft);
  color: var(--green);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(24px, 5vw, 64px);
  padding: clamp(54px, 8vw, 112px) clamp(20px, 6vw, 88px) clamp(42px, 7vw, 84px);
  background:
    linear-gradient(120deg, rgba(9, 21, 34, 0.98), rgba(13, 43, 68, 0.94)),
    linear-gradient(90deg, rgba(54, 197, 240, 0.2) 1px, transparent 1px),
    linear-gradient(0deg, rgba(54, 197, 240, 0.15) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  color: var(--white);
}

.hero-content {
  max-width: 860px;
}

.eyebrow,
.section-title span,
.panel-label,
.tag {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  max-width: 820px;
  font-size: clamp(44px, 7.2vw, 84px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: 0;
}

.lead {
  color: #e9f9ff;
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.36;
}

.hero p:not(.lead) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-proof span {
  border: 1px solid rgba(54, 197, 240, 0.28);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #e9f9ff;
  font-size: 14px;
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 7px;
  padding: 0 22px;
  font-weight: 800;
}

.btn.primary {
  background: var(--green);
  color: var(--white);
}

.btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.hero-visual {
  position: relative;
  align-self: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 26px 90px rgba(0, 0, 0, 0.32);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 45%, rgba(9, 21, 34, 0.92)),
    linear-gradient(90deg, rgba(54, 197, 240, 0.18), transparent 38%, rgba(255, 138, 61, 0.16));
  pointer-events: none;
}

.hero-visual > img {
  display: block;
  width: 100%;
  min-height: 560px;
  object-fit: cover;
  object-position: center;
}

.hero-chip {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 9px 13px;
  background: rgba(9, 21, 34, 0.64);
  color: #e9f9ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.hero-chip.top {
  top: 18px;
  left: 18px;
}

.hero-chip.side {
  top: 18px;
  right: 18px;
}

.ai-console {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 94px;
  border: 1px solid rgba(54, 197, 240, 0.34);
  border-radius: 8px;
  padding: 16px;
  background: rgba(9, 21, 34, 0.72);
  backdrop-filter: blur(14px);
}

.ai-console span {
  display: block;
  margin-bottom: 8px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ai-console strong {
  color: var(--white);
  font-size: 18px;
  line-height: 1.45;
}

.ai-console ul {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.ai-console li {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  line-height: 1.45;
}

.signal-grid {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.signal-grid span {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 12px 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #e9f9ff;
  font-weight: 800;
  font-size: 13px;
  text-align: center;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.trust-strip div {
  display: grid;
  gap: 8px;
  min-height: 126px;
  align-content: center;
  padding: 22px clamp(18px, 4vw, 42px);
  background: var(--white);
}

.trust-strip strong {
  color: var(--green);
  font-size: clamp(28px, 4vw, 46px);
}

.trust-strip span {
  color: var(--muted);
  line-height: 1.55;
}

.problem {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
  padding: 34px clamp(20px, 6vw, 88px);
  background: var(--green);
  color: var(--white);
}

.problem h2 {
  margin-bottom: 10px;
  font-size: clamp(26px, 3vw, 40px);
}

.problem p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
}

.question-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.question-list span {
  display: flex;
  min-height: 72px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 7px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.section {
  padding: clamp(58px, 8vw, 104px) clamp(20px, 6vw, 88px);
}

.tinted {
  background: var(--soft);
}

.section-title {
  display: grid;
  grid-template-columns: minmax(210px, 0.42fr) minmax(0, 0.9fr);
  column-gap: clamp(24px, 5vw, 70px);
  margin-bottom: 34px;
}

.section-title.compact {
  margin-top: clamp(48px, 7vw, 80px);
  margin-bottom: 26px;
}

.section-title span {
  grid-row: span 2;
  padding-top: 12px;
}

.section-title h2 {
  margin-bottom: 16px;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-title p {
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.55fr 1.05fr 0.8fr;
  gap: 18px;
}

.identity-photo {
  overflow: hidden;
  grid-row: span 2;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.identity-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.identity-photo figcaption {
  padding: 16px 18px;
  color: var(--green);
  font-weight: 900;
}

.identity-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.identity-strip div {
  display: grid;
  gap: 8px;
  padding: 20px;
  background: var(--white);
}

.identity-strip span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.identity-strip strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.45;
}

.copy-card,
.mini-card,
.solution-grid article,
.article-list article,
.case-card,
details,
.media-intro {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.copy-card {
  padding: clamp(22px, 3vw, 34px);
}

.copy-card.wide {
  grid-row: span 2;
}

.copy-card.dark {
  position: sticky;
  top: 96px;
  align-self: start;
  border-color: transparent;
  background: var(--green);
  color: var(--white);
}

.copy-card.dark p {
  color: rgba(255, 255, 255, 0.76);
}

.copy-card h3,
.mini-card h3,
.solution-grid h3,
.case-card h3,
.article-list h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.35;
}

.copy-card p,
.copy-card li,
.mini-card p,
.solution-grid p,
.case-card p,
.article-list p,
details p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.82;
}

ul {
  margin: 0;
  padding-left: 20px;
}

.visual-proof {
  background: #0b1724;
  color: var(--white);
}

.visual-proof .section-title p {
  color: rgba(255, 255, 255, 0.7);
}

.training-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 18px;
}

.training-feature,
.report-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.training-feature img,
.report-card img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.training-feature img {
  height: 420px;
}

.training-feature div,
.report-card div {
  padding: 22px;
}

.training-feature span,
.report-card span,
.external-report-strip span,
.media-card summary > span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.training-feature h3,
.report-card h3 {
  margin: 10px 0 12px;
  color: var(--white);
  font-size: 24px;
}

.training-feature p,
.report-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.78;
}

.report-grid {
  display: grid;
  gap: 18px;
}

.report-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
}

.report-card img {
  height: 100%;
  min-height: 206px;
}

.report-card strong {
  display: inline-block;
  margin-top: 14px;
  color: var(--gold);
}

.photo-wall {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.photo-wall figure {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  margin: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.photo-wall figure:nth-child(1),
.photo-wall figure:nth-child(2) {
  grid-column: span 2;
}

.photo-wall img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-wall figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 14px 14px;
  background: linear-gradient(180deg, transparent, rgba(9, 21, 34, 0.88));
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.4fr) minmax(0, 0.8fr);
  gap: 18px;
}

.ai-signal-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.44fr) minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 24px;
  border: 1px solid rgba(54, 197, 240, 0.22);
  border-radius: 8px;
  padding: clamp(22px, 4vw, 34px);
  background:
    radial-gradient(circle at 18% 12%, rgba(54, 197, 240, 0.22), transparent 30%),
    radial-gradient(circle at 88% 18%, rgba(255, 138, 61, 0.2), transparent 28%),
    linear-gradient(135deg, #091522, #10263a);
  color: var(--white);
  box-shadow: var(--shadow);
}

.ai-signal-panel > div:first-child span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ai-signal-panel h3 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.22;
}

.ai-signal-panel p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.78;
}

.signal-chain {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.signal-chain article {
  position: relative;
  min-height: 172px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.07);
}

.signal-chain article::after {
  content: "";
  position: absolute;
  top: 32px;
  right: -10px;
  width: 10px;
  height: 1px;
  background: rgba(54, 197, 240, 0.5);
}

.signal-chain article:last-child::after {
  display: none;
}

.signal-chain strong {
  color: var(--gold);
  font-size: 13px;
}

.signal-chain h4 {
  margin: 10px 0 8px;
  font-size: 18px;
}

.signal-chain p {
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.65;
}

.steps {
  display: grid;
  gap: 12px;
}

.steps article {
  display: grid;
  grid-template-columns: 86px minmax(0, 0.44fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.steps span {
  color: var(--gold);
  font-weight: 900;
}

.steps h3 {
  margin-bottom: 0;
  color: var(--green);
  font-size: 20px;
}

.steps p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  overflow: hidden;
}

.case-proof {
  display: grid;
  min-height: 210px;
  place-items: center;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(23, 79, 59, 0.08), rgba(192, 145, 63, 0.12)),
    repeating-linear-gradient(0deg, transparent, transparent 16px, rgba(23, 79, 59, 0.05) 17px);
}

.case-proof img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: top left;
}

.case-proof span {
  border-radius: 999px;
  padding: 9px 16px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--green);
  font-weight: 800;
}

.case-body {
  padding: 26px;
}

.case-body small {
  display: block;
  margin-top: 18px;
  border-left: 3px solid var(--gold);
  padding-left: 12px;
  color: var(--muted);
  line-height: 1.7;
}

.case-body dl {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.case-body dl div {
  border: 1px solid rgba(9, 21, 34, 0.08);
  border-radius: 7px;
  padding: 12px 14px;
  background: #f9fbfc;
}

.case-body dt {
  margin-bottom: 5px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.case-body dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.evidence-library {
  margin-top: 16px;
}

.evidence-group {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--white);
}

.evidence-heading {
  display: grid;
  grid-template-columns: 220px minmax(0, 0.42fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.evidence-heading span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.evidence-heading h3 {
  margin-bottom: 0;
  color: var(--green);
  font-size: clamp(26px, 3vw, 38px);
}

.evidence-heading p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.78;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.evidence-grid figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.evidence-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top left;
  border-bottom: 1px solid var(--line);
}

.evidence-grid figcaption {
  display: grid;
  gap: 8px;
  padding: 15px;
}

.evidence-grid strong {
  color: var(--ink);
  font-size: 16px;
  line-height: 1.45;
}

.evidence-grid span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.evidence-grid em {
  border-top: 1px solid var(--line);
  padding-top: 8px;
  color: #8a6a3a;
  font-size: 12px;
  font-style: normal;
  line-height: 1.55;
}

.media-section {
  background: #f6f1e8;
}

.media-intro {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  margin-bottom: 18px;
  padding: 22px 26px;
}

.external-report-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.external-report-strip a {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid rgba(9, 21, 34, 0.1);
  border-radius: 8px;
  background: var(--white);
}

.external-report-strip img {
  width: 100%;
  height: 100%;
  min-height: 188px;
  object-fit: cover;
}

.external-report-strip div {
  padding: 20px;
}

.external-report-strip strong {
  display: block;
  margin: 8px 0 10px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
}

.external-report-strip p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.72;
}

.media-intro strong {
  color: var(--green);
  font-size: 20px;
}

.media-intro p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.article-list.rich {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.article-list article {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 20px;
}

.media-card {
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.media-card summary {
  display: block;
  cursor: pointer;
  list-style: none;
}

.media-card summary::-webkit-details-marker {
  display: none;
}

.media-card img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.media-card summary > span,
.media-card h3,
.media-card summary > p {
  display: block;
  margin-left: 18px;
  margin-right: 18px;
}

.media-card summary > span {
  margin-top: 18px;
}

.media-card h3 {
  margin-top: 8px;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.42;
}

.media-card summary > p {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.media-card summary > em {
  display: inline-flex;
  margin: 0 18px 18px;
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(54, 197, 240, 0.11);
  color: var(--green);
  font-size: 13px;
  font-style: normal;
  font-weight: 900;
}

.media-card[open] summary > em {
  background: rgba(255, 138, 61, 0.14);
  color: #9a4b15;
}

.media-detail {
  border-top: 1px solid var(--line);
  padding: 18px;
  background: #f9fbfc;
}

.media-detail p {
  margin-bottom: 10px;
  font-size: 14px;
}

.media-detail blockquote {
  margin: 14px 0;
  border-left: 3px solid var(--cyan);
  padding: 10px 12px;
  background: rgba(54, 197, 240, 0.08);
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.75;
}

.article-list span {
  color: var(--gold);
  font-weight: 900;
}

.article-list h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.article-list p {
  grid-column: 2;
  margin-bottom: 0;
  font-size: 14px;
}

.service-grid,
.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.mini-card,
.solution-grid article {
  padding: 24px;
}

.direction-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.direction-strip span {
  border: 1px solid rgba(23, 79, 59, 0.16);
  border-radius: 999px;
  padding: 9px 13px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.faq-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.faq-columns > div > h3 {
  margin-bottom: 16px;
  color: var(--green);
  font-size: 26px;
}

details {
  margin-bottom: 10px;
  padding: 16px 18px;
}

summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.5;
}

details p {
  margin: 12px 0 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 36px;
  align-items: center;
  padding: clamp(52px, 7vw, 86px) clamp(20px, 6vw, 88px);
  background: var(--green);
  color: var(--white);
}

.contact h2 {
  margin: 12px 0 16px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.12;
}

.contact p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
  line-height: 1.85;
}

.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.contact-list a,
.contact-list span {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.qr-card {
  border-radius: 8px;
  padding: 18px;
  background: var(--white);
  color: var(--ink);
  text-align: center;
}

.qr-card img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.qr-card strong {
  display: block;
  margin-top: 14px;
  color: var(--green);
  font-size: 18px;
}

.qr-card span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px clamp(20px, 6vw, 88px);
  background: #101814;
  color: rgba(255, 255, 255, 0.7);
}

footer p {
  margin-bottom: 0;
}

@media (max-width: 1080px) {
  .hero,
  .problem,
  .method-layout,
  .contact,
  .ai-signal-panel,
  .training-layout {
    grid-template-columns: 1fr;
  }

  .question-list,
  .service-grid,
  .solution-grid,
  .article-list.rich,
  .signal-chain {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .copy-card.dark {
    position: static;
  }
}

@media (max-width: 780px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav {
    justify-content: flex-start;
  }

  .section-title,
  .about-grid,
  .case-grid,
  .article-list,
  .faq-columns,
  .media-intro,
  .identity-strip,
  .external-report-strip,
  .external-report-strip a,
  .report-card {
    grid-template-columns: 1fr;
  }

  .section-title span {
    grid-row: auto;
    padding-top: 0;
  }

  .steps article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .evidence-heading,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .question-list,
  .service-grid,
  .solution-grid,
  .article-list.rich,
  .signal-chain,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .hero-visual > img {
    min-height: 430px;
  }

  .signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-chip.side {
    display: none;
  }

  .photo-wall {
    grid-template-columns: 1fr;
  }

  .photo-wall figure:nth-child(1),
  .photo-wall figure:nth-child(2) {
    grid-column: span 1;
  }

  .article-list p {
    grid-column: 1 / -1;
  }

  .qr-card {
    max-width: 320px;
  }

  footer {
    flex-direction: column;
  }
}