:root {
  --ink: #111827;
  --muted: #5f6b7a;
  --line: #dfe5ec;
  --panel: #ffffff;
  --soft: #f5f8fb;
  --navy: #152238;
  --blue: #2457d6;
  --green: #1b8f6f;
  --lime: #a4c639;
  --orange: #f28c28;
  --shadow: 0 16px 44px rgba(17, 24, 39, 0.09);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 12px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.brand img {
  width: 188px;
  height: 53px;
  object-fit: contain;
  object-position: left center;
}

.desktop-nav,
.header-actions,
.hero-actions,
.portal-actions,
.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.language-switch {
  min-width: 42px;
  height: 34px;
  padding: 0 10px;
  color: var(--blue);
  font: inherit;
  font-size: 13px;
  font-weight: 900;
  background: #eff8f5;
  border: 1px solid #b7dfd1;
  border-radius: 6px;
  cursor: pointer;
}

.language-switch:hover {
  background: #dff1ea;
}

.desktop-nav a {
  color: #2f3b4d;
  font-size: 14px;
  font-weight: 700;
}

.desktop-nav a:hover,
.footer-links a:hover {
  color: var(--blue);
}

.ghost-link,
.primary-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.ghost-link,
.button.secondary {
  color: var(--navy);
  background: #fff;
  border-color: var(--line);
}

.primary-link,
.button.primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 10px 22px rgba(36, 87, 214, 0.22);
}

.header-wechat {
  position: relative;
}

.wechat-header-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  color: #177f5b;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  background: #eff8f5;
  border: 1px solid #b7dfd1;
  border-radius: var(--radius);
  cursor: pointer;
}

.wechat-header-link:hover { background: #dff1ea; }

.button.full {
  width: 100%;
}

.button:hover,
.primary-link:hover,
.ghost-link:hover {
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px) 56px;
  background:
    linear-gradient(90deg, rgba(9, 25, 31, 0.93) 0%, rgba(12, 42, 49, 0.77) 45%, rgba(13, 47, 55, 0.2) 100%),
    url("./assets/global-buyer-network-hero.png") center / cover no-repeat;
  color: #fff;
  min-height: calc(100vh - 74px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-weight: 900;
  letter-spacing: 0;
  font-size: 14px;
}

.hero .eyebrow {
  display: inline-flex;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.13);
  color: #d9f99d;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 700px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 21px);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.trust-strip span {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.lead-panel {
  background: rgba(255, 255, 255, 0.98);
  color: var(--ink);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-label {
  color: var(--orange);
  margin-bottom: 2px;
  font-size: 13px;
  font-weight: 900;
}

.lead-panel h2 {
  margin-bottom: 20px;
  font-size: 24px;
  line-height: 1.24;
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.lead-form label {
  display: grid;
  gap: 6px;
  color: #344054;
  font-size: 13px;
  font-weight: 800;
}

.lead-form input,
.lead-form select {
  width: 100%;
  min-height: 42px;
  padding: 10px 11px;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
}

.lead-form button,
.form-note {
  grid-column: 1 / -1;
}

.form-note {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-result {
  margin-top: 16px;
  padding: 14px;
  background: #ecfdf5;
  border: 1px solid #b7e4cf;
  border-radius: var(--radius);
  color: #14532d;
  font-size: 14px;
}

.form-result a {
  display: inline-flex;
  margin-top: 10px;
  color: #fff;
  background: var(--green);
  padding: 9px 12px;
  border-radius: var(--radius);
  font-weight: 800;
}

.metrics-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metrics-band div {
  padding: 28px 20px;
  background: #fff;
  text-align: center;
}

.metrics-band strong {
  display: block;
  margin-bottom: 4px;
  font-size: 30px;
  color: var(--blue);
}

.metrics-band span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.section {
  padding: clamp(56px, 8vw, 100px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.split {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

.pain-section,
.workflow-section,
.pricing-preview {
  background: var(--soft);
}

.pain-grid,
.solution-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.pain-grid article,
.solution-grid article,
.price-card,
.case-grid article,
.faq-list details,
.portal-board {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(17, 24, 39, 0.04);
}

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

.pain-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--orange);
  font-weight: 900;
}

.pain-grid h3,
.solution-grid h3,
.price-card h3,
.case-grid h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
}

.pain-grid p,
.solution-grid p,
.case-grid p,
.portal-copy p,
.faq-list p,
.disclaimer,
.site-footer p {
  color: var(--muted);
}

.solution-grid {
  grid-template-columns: repeat(6, 1fr);
}

.solution-grid article {
  grid-column: span 2;
  border-top: 4px solid var(--green);
}

.workflow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.workflow li {
  min-height: 170px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.workflow strong {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 22px;
}

.workflow span {
  color: var(--muted);
  font-size: 14px;
}

.case-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
  gap: 18px;
}

.case-grid article {
  overflow: hidden;
}

.case-grid img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.case-grid article > div {
  padding: 24px;
}

.case-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.case-link::after {
  content: " ->";
  margin-left: 6px;
}

.service-cases {
  padding-top: 10px;
}

.case-tag,
.badge {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.case-grid ul,
.price-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 16px 0 0;
  list-style: none;
}

.case-grid li,
.price-card li {
  position: relative;
  padding-left: 18px;
  color: #3f4b5a;
  font-size: 14px;
}

.case-grid li::before,
.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--lime);
  border-radius: 50%;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.price-card.featured {
  border: 2px solid var(--blue);
  transform: translateY(-10px);
}

.price-card strong {
  font-size: 36px;
  line-height: 1;
}

.price-card .button {
  margin-top: auto;
}

.badge {
  position: absolute;
  top: -15px;
  left: 24px;
  padding: 5px 10px;
  color: #fff;
  background: var(--orange);
  border-radius: var(--radius);
}

.disclaimer {
  max-width: 980px;
  margin: 24px auto 0;
  text-align: center;
  font-size: 13px;
}

.portal-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 40px;
  align-items: center;
  background: var(--navy);
  color: #fff;
}

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

.portal-board {
  padding: 18px;
  color: var(--ink);
}

.board-row {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}

.board-row:last-child {
  border-bottom: 0;
}

.board-row.head {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.board-row b {
  display: inline-flex;
  justify-content: center;
  padding: 4px 8px;
  color: #065f46;
  background: #d1fae5;
  border-radius: var(--radius);
  font-size: 12px;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 980px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 900;
}

.faq-list p {
  margin: 12px 0 0;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 clamp(20px, 5vw, 72px) 72px;
  padding: 36px;
  color: #fff;
  background: linear-gradient(110deg, var(--blue), var(--green));
  border-radius: var(--radius);
}

.final-cta h2 {
  margin-bottom: 8px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
}

.final-cta p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.86);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin-bottom: 0;
}

.footer-contact {
  display: grid;
  gap: 5px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.footer-contact strong {
  color: var(--ink);
}

.footer-contact b,
.footer-contact a {
  color: var(--blue);
  font-weight: 800;
}

.wechat-popover {
  position: fixed;
  top: 84px;
  right: 18px;
  z-index: 40;
  width: 244px;
  padding: 18px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 38px rgba(15, 36, 48, 0.22);
}

.wechat-popover[hidden] { display: none !important; }
.header-wechat.is-open .wechat-popover { display: block !important; }

.wechat-popover img {
  display: block;
  width: 180px;
  height: 180px;
  margin: 0 auto 12px;
}

.wechat-popover strong { color: var(--ink); }
.wechat-popover p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.popover-close { position: absolute; top: 6px; right: 8px; color: var(--muted); font-size: 22px; line-height: 1; background: transparent; border: 0; cursor: pointer; }

.admin-page { min-height: 100vh; background: var(--soft); }
.admin-shell { width: min(1200px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0; }
.admin-login { width: min(440px, 100%); margin: 6vh auto; padding: 36px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.admin-login img { display: block; width: 150px; height: 42px; margin-bottom: 34px; object-fit: contain; object-position: left; }
.admin-login h1, .admin-dashboard h1 { margin: 0 0 12px; font-size: 32px; }
.admin-login form { display: grid; gap: 18px; margin-top: 28px; }
.admin-login label { display: grid; gap: 8px; font-size: 14px; font-weight: 800; }
.admin-login input { width: 100%; min-height: 46px; padding: 0 12px; font: inherit; border: 1px solid var(--line); border-radius: 6px; }
.admin-message { min-height: 20px; margin: 0; color: #b84646; font-size: 14px; }
.admin-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.admin-header p { color: var(--muted); }
.admin-actions { display: flex; gap: 10px; }
.admin-table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.admin-table-wrap table { width: 100%; min-width: 960px; border-collapse: collapse; }
.admin-table-wrap th, .admin-table-wrap td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); font-size: 14px; }
.admin-table-wrap th { color: var(--muted); font-size: 12px; white-space: nowrap; background: #f7faf9; }
.admin-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.admin-tab { min-height: 36px; padding: 0 14px; color: var(--muted); font: inherit; font-size: 14px; font-weight: 800; background: #fff; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; }
.admin-tab.active { color: #fff; background: var(--blue); border-color: var(--blue); }
.admin-table-wrap details { min-width: 300px; }
.admin-table-wrap summary { color: var(--blue); font-weight: 800; cursor: pointer; }
.admin-table-wrap pre { max-width: 540px; padding: 12px; white-space: pre-wrap; color: #344253; font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; background: #f7faf9; border: 1px solid var(--line); border-radius: 6px; }
.copy-prompt { padding: 7px 10px; color: var(--blue); font: inherit; font-size: 12px; font-weight: 800; background: #fff; border: 1px solid #b9c9ef; border-radius: 5px; cursor: pointer; }

.growth-page { background: #f6fbf8; }
.growth-header { display: flex; align-items: center; justify-content: space-between; min-height: 72px; padding: 12px clamp(20px, 7vw, 112px); background: #fff; border-bottom: 1px solid var(--line); }
.growth-header-link { min-height: 38px; padding: 8px 16px; color: #fff; font-size: 14px; font-weight: 800; background: var(--green); border-radius: 6px; }
.growth-hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(40px, 7vw, 110px); align-items: center; max-width: 1240px; min-height: 600px; padding: 72px 32px; margin: 0 auto; }
.growth-copy h1 { max-width: 720px; margin: 12px 0 20px; color: #10251f; font-size: clamp(42px, 5.2vw, 70px); line-height: 1.08; letter-spacing: 0; }
.growth-copy > p:not(.eyebrow) { max-width: 630px; color: #4a5c58; font-size: 18px; }
.growth-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0; }
.growth-points span { padding: 7px 10px; color: #167254; font-size: 13px; font-weight: 800; background: #e3f4ed; border: 1px solid #bce6d5; border-radius: 5px; }
.growth-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.growth-visual { position: relative; min-height: 400px; }
.growth-visual img { width: 100%; height: 430px; object-fit: cover; border: 10px solid #fff; border-radius: 8px; box-shadow: 0 20px 44px rgba(22, 66, 50, 0.2); }
.growth-stamp { position: absolute; right: -24px; bottom: -20px; display: grid; place-items: center; width: 145px; height: 145px; color: #fff; font-size: 18px; font-weight: 900; line-height: 1.1; text-align: center; background: var(--orange); border: 7px solid #fff; border-radius: 50%; transform: rotate(8deg); }
.growth-stamp b { font-size: 26px; }
.growth-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; max-width: 1100px; margin: 0 auto; background: #c5ded5; border: 1px solid #c5ded5; }
.growth-proof div { display: flex; align-items: center; gap: 14px; padding: 22px; background: #fff; }
.growth-proof strong { color: var(--orange); font-size: 24px; }
.growth-proof span { color: #173b31; font-weight: 800; }
.growth-form-section { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(32px, 8vw, 130px); max-width: 1160px; padding: 100px 32px; margin: 0 auto; }
.growth-form-copy h2, .growth-share h2 { margin: 12px 0; color: #10251f; font-size: clamp(32px, 4vw, 48px); line-height: 1.15; }
.growth-form-copy p:not(.eyebrow), .growth-share p { color: var(--muted); font-size: 17px; }
.growth-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 28px; background: #fff; border: 1px solid #d9e8e1; border-radius: 8px; box-shadow: 0 16px 42px rgba(17, 69, 52, 0.08); }
.growth-form label { display: grid; gap: 7px; color: #29443b; font-size: 14px; font-weight: 800; }
.growth-form label:nth-child(2), .growth-form label:nth-child(3), .growth-form label:nth-child(4), .growth-form label:nth-child(6), .growth-form .full, .growth-form .form-note, .growth-result { grid-column: 1 / -1; }
.growth-form input, .growth-form textarea { width: 100%; padding: 12px; color: var(--ink); font: inherit; background: #fbfdfc; border: 1px solid #cfded7; border-radius: 6px; }
.growth-form textarea { min-height: 110px; resize: vertical; }
.growth-form .form-note { margin: -4px 0 0; color: var(--muted); font-size: 13px; }
.growth-result { padding: 14px; color: #255d48; background: #edf9f3; border: 1px solid #c4e7d6; border-radius: 6px; }
.growth-result p { margin: 5px 0 0; }
.growth-share { padding: 78px 24px; text-align: center; background: #e6f5ee; }
.growth-share h2 { font-size: clamp(30px, 4vw, 44px); }
.growth-reward { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 6vw, 90px); align-items: start; max-width: 1160px; padding: 96px 32px; margin: 0 auto; }
.growth-reward-copy h2 { margin: 10px 0 16px; color: #10251f; font-size: clamp(34px, 4vw, 52px); line-height: 1.13; }
.growth-reward-copy > p:not(.eyebrow) { color: var(--muted); font-size: 17px; }
.share-feedback { min-height: 25px; margin: 13px 0 0; color: #177154; font-size: 14px; font-weight: 700; }
.reward-rules { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; }
.reward-rules li { display: flex; gap: 15px; padding: 18px; background: #fff; border: 1px solid #d9e8e1; border-radius: 7px; }
.reward-rules strong { flex: 0 0 36px; color: var(--orange); font-size: 22px; }
.reward-rules b, .reward-rules span { display: block; }
.reward-rules b { margin-bottom: 3px; color: #183b31; }
.reward-rules span { color: var(--muted); font-size: 14px; }
.reward-rules em { color: var(--green); font-style: normal; font-weight: 900; }
.reward-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 13px; }
.modal-open { overflow: hidden; }
.sample-modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 20px; background: rgba(15, 36, 48, 0.55); }
.sample-modal[hidden] { display: none; }
.sample-dialog { position: relative; width: min(920px, 100%); max-height: calc(100vh - 40px); padding: 34px; overflow-y: auto; background: #fff; border-radius: 8px; box-shadow: 0 24px 60px rgba(6, 27, 20, 0.35); }
.sample-dialog h2 { margin: 6px 0 26px; color: #10251f; font-size: clamp(28px, 4vw, 44px); }
.sample-close { position: absolute; top: 14px; right: 16px; width: 34px; height: 34px; color: var(--muted); font-size: 26px; line-height: 1; background: #f3f7f5; border: 0; border-radius: 50%; cursor: pointer; }
.sample-layout { display: grid; grid-template-columns: 0.65fr 1fr; gap: 26px; align-items: center; }
.sample-layout img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 6px; }
.sample-layout h3 { margin: 0 0 12px; color: var(--green); font-size: 20px; }
.sample-layout p { margin: 9px 0; color: #41514e; }
.sample-leads { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.sample-strategy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.sample-strategy article { padding: 16px; background: #f8fbfa; border-top: 3px solid var(--lime); }
.sample-strategy h3 { margin: 0 0 8px; color: #183b31; font-size: 15px; }
.sample-strategy p { margin: 0; color: #4c5f59; font-size: 13px; }
.sample-leads > div { padding: 18px; background: #f4faf7; border: 1px solid #d2eade; border-radius: 6px; }
.sample-leads span { display: block; margin-bottom: 7px; color: var(--green); font-size: 12px; font-weight: 900; }
.sample-leads b { color: #183b31; }
.sample-leads p, .sample-leads small { display: block; margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.sample-note { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.poster-dialog { position: relative; width: min(460px, 100%); max-height: calc(100vh - 40px); padding: 26px; overflow-y: auto; text-align: center; background: #fff; border-radius: 8px; box-shadow: 0 24px 60px rgba(6, 27, 20, 0.35); }
.poster-dialog h2 { margin: 6px 30px 20px; color: #10251f; font-size: 28px; }
.poster-dialog > img { width: min(100%, 360px); margin: 0 auto 18px; border: 1px solid #d9e8e1; border-radius: 6px; box-shadow: 0 12px 26px rgba(17, 69, 52, 0.14); }
.poster-dialog > p { margin: 14px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.poster-dialog .poster-save-hint { margin-top: 2px; color: #177154; font-size: 15px; font-weight: 800; }

.subpage-hero {
  padding: 72px clamp(20px, 5vw, 72px) 44px;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.subpage-hero h1 {
  max-width: 900px;
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(38px, 5vw, 62px);
}

.subpage-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.content-band {
  padding: 52px clamp(20px, 5vw, 72px);
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .hero,
  .portal-preview {
    grid-template-columns: 1fr;
  }

  .lead-panel {
    max-width: 720px;
  }

  .metrics-band,
  .pain-grid,
  .pricing-grid,
  .case-grid,
  .workflow {
    grid-template-columns: 1fr 1fr;
  }

  .solution-grid article {
    grid-column: span 3;
  }

  .price-card.featured {
    transform: none;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
    min-height: 56px;
    padding: 8px 14px;
  }

  .brand { flex: 0 0 auto; }
  .brand img { width: 112px; height: 32px; }

  .header-actions {
    width: auto;
    flex: 0 0 auto;
    gap: 6px;
    margin-left: auto;
  }

  .language-switch {
    min-width: 38px;
    height: 32px;
    padding: 0 7px;
    font-size: 12px;
  }

  .header-actions .primary-link {
    min-height: 32px;
    padding: 0 9px;
    font-size: 12px;
    white-space: nowrap;
  }

  .hero {
    padding-top: 38px;
    min-height: auto;
  }

  h1 {
    font-size: 38px;
  }

  .hero-actions,
  .section-heading.split,
  .final-cta,
  .site-footer,
  .portal-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .header-actions .ghost-link { display: none; }
  .wechat-header-link { min-height: 32px; padding: 0 9px; font-size: 12px; white-space: nowrap; }
  .wechat-popover { top: 64px; right: 12px; width: 230px; }
  .admin-shell { width: min(100% - 28px, 1200px); padding: 30px 0; }
  .admin-login { padding: 26px; }
  .admin-header { flex-direction: column; }
  .growth-header { min-height: 56px; padding: 8px 14px; }
  .growth-header .brand img { width: 112px; height: 32px; }
  .growth-hero, .growth-form-section { grid-template-columns: 1fr; gap: 38px; padding: 48px 20px; }
  .growth-hero { min-height: auto; }
  .growth-copy h1 { font-size: 42px; }
  .growth-visual { min-height: 300px; }
  .growth-visual img { height: 340px; }
  .growth-stamp { right: 6px; bottom: -12px; width: 116px; height: 116px; font-size: 14px; }
  .growth-stamp b { font-size: 21px; }
  .growth-proof { grid-template-columns: 1fr; margin: 0 20px; }
  .growth-form { grid-template-columns: 1fr; padding: 20px; }
  .growth-form label { grid-column: 1 / -1 !important; }
  .growth-form-section { padding-bottom: 64px; }
  .growth-reward { grid-template-columns: 1fr; padding: 64px 20px; }
  .sample-dialog { padding: 26px 18px; }
  .poster-dialog { padding: 24px 16px; }
  .sample-layout, .sample-leads, .sample-strategy { grid-template-columns: 1fr; }

  .lead-form,
  .metrics-band,
  .pain-grid,
  .pricing-grid,
  .case-grid,
  .workflow {
    grid-template-columns: 1fr;
  }

  .solution-grid {
    grid-template-columns: 1fr;
  }

  .solution-grid article {
    grid-column: span 1;
  }

  .board-row {
    grid-template-columns: 1fr;
  }
}