:root {
  --navy: #0b1f3b;
  --navy-soft: #142d50;
  --bg: #f5f6fa;
  --warm-bg: #f7f3ec;
  --surface: #ffffff;
  --muted: #5d6472;
  --ink: #1a1a1a;
  --orange: #f36b21;
  --orange-deep: #c94f13;
  --line: rgba(11, 31, 59, 0.14);
  --shadow: 0 24px 70px rgba(11, 31, 59, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "PingFang SC",
    "Microsoft YaHei",
    "Helvetica Neue",
    Arial,
    sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(243, 107, 33, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(11, 31, 59, 0.045) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px;
  overflow-x: hidden;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 max(18px, calc((100vw - 1180px) / 2));
  border: 0;
  border-bottom: 1px solid rgba(11, 31, 59, 0.08);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 34px rgba(11, 31, 59, 0.07);
  transition: transform 0.28s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 180px;
  color: var(--navy);
}

.site-header .brand {
  gap: 0;
  min-width: 170px;
}

.site-header .brand > span:not(.brand-mark) {
  display: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #ffffff;
}

.site-header .brand-mark {
  width: 170px;
  height: 54px;
  border: 0;
  background: transparent;
}

.brand-mark img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.site-header .brand-mark img {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
}

.brand strong {
  display: block;
  color: currentColor;
  font-family:
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    "Source Han Serif SC",
    serif;
  font-size: 22px;
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: 0;
  transform: scaleX(1.04);
  transform-origin: left center;
}

.brand small {
  display: block;
  margin-top: 6px;
  color: currentColor;
  font-family:
    "Avenir Next Condensed",
    "DIN Condensed",
    "Arial Narrow",
    sans-serif;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  opacity: 0.88;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  font-size: 14px;
  color: rgba(26, 26, 26, 0.72);
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--orange);
  transition: transform 0.22s ease;
}

.nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  height: 46px;
  padding: 0 18px;
  color: #ffffff;
  background: var(--navy);
  border: 1px solid rgba(11, 31, 59, 0.2);
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(11, 31, 59, 0.16);
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: 48px;
  padding: 118px max(24px, calc((100vw - 1180px) / 2)) 92px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 72% 20%, rgba(11, 31, 59, 0.14), transparent 32%),
    radial-gradient(circle at 96% 0%, rgba(243, 107, 33, 0.14), transparent 26%),
    linear-gradient(180deg, #eef3ff 0%, #ffffff 58%, var(--bg) 100%);
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.orbital {
  position: absolute;
  border: 1px solid rgba(11, 31, 59, 0.1);
  transform: rotate(-14deg);
}

.orbital-one {
  right: -120px;
  top: 105px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
}

.orbital-two {
  right: 60px;
  top: 210px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border-color: rgba(243, 107, 33, 0.22);
}

.signal-grid {
  position: absolute;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 60px;
  display: grid;
  grid-template-columns: repeat(3, 110px);
  gap: 10px;
  transform: rotate(-5deg);
  opacity: 0.9;
}

.signal-grid span {
  padding: 12px 14px;
  border: 1px solid rgba(11, 31, 59, 0.12);
  background: rgba(255, 255, 255, 0.72);
  color: rgba(11, 31, 59, 0.62);
  font-size: 12px;
  text-align: center;
}

.hero-copy {
  max-width: 690px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--orange-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy .eyebrow {
  color: var(--navy);
}

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

h1 {
  margin-bottom: 22px;
  color: var(--navy);
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h1 span {
  display: block;
  color: var(--navy);
}

.lead {
  max-width: 700px;
  margin-bottom: 34px;
  color: rgba(26, 26, 26, 0.72);
  font-size: 17px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 38px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.64;
  transform: none;
}

.btn-primary {
  color: #ffffff;
  background: var(--orange);
  box-shadow: 0 18px 36px rgba(243, 107, 33, 0.22);
}

.btn-secondary {
  color: var(--navy);
  border-color: rgba(11, 31, 59, 0.16);
  background: rgba(255, 255, 255, 0.72);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 760px;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.hero-facts div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.hero-facts dt {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
}

.hero-facts dd {
  margin: 0;
  color: var(--navy);
  font-size: 15px;
  font-weight: 800;
}

.hero-card {
  align-self: center;
  margin-bottom: 0;
  padding: 30px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,255,255,0.82)),
    var(--surface);
  border: 1px solid rgba(11, 31, 59, 0.13);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.answer-preview {
  display: grid;
  gap: 18px;
}

.answer-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.answer-topline span {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.answer-topline b {
  color: var(--muted);
  font-size: 13px;
}

.answer-question {
  padding: 16px 18px;
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 18px;
  color: var(--navy);
  background: var(--bg);
  font-weight: 900;
  line-height: 1.55;
}

.answer-body {
  padding: 22px;
  border-radius: 22px;
  color: rgba(26, 26, 26, 0.72);
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(11, 31, 59, 0.08);
}

.answer-body p {
  margin: 0 0 16px;
  line-height: 1.75;
}

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

.answer-body li,
.case-study-card li {
  position: relative;
  padding-left: 18px;
  color: rgba(26, 26, 26, 0.68);
  line-height: 1.65;
}

.answer-body li::before,
.case-study-card li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.answer-platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.answer-platforms span {
  padding: 12px 14px;
  border: 1px solid rgba(11, 31, 59, 0.1);
  border-radius: 14px;
  color: var(--navy);
  background: var(--bg);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.headline-panel {
  width: min(1180px, calc(100% - 36px));
  margin: -54px auto 0;
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(11, 31, 59, 0.08);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 26px 60px rgba(11, 31, 59, 0.1);
}

.headline-panel article {
  padding: 24px 26px;
  border-right: 1px solid rgba(11, 31, 59, 0.08);
}

.headline-panel article:last-child {
  border-right: 0;
}

.headline-panel h2 {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.35;
}

.headline-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.platform-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(420px, 1fr);
  align-items: center;
  gap: 58px;
  padding: 98px max(24px, calc((100vw - 1180px) / 2));
  background: #ffffff;
}

.platform-copy h2 {
  margin-bottom: 16px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
}

.platform-copy p {
  color: rgba(26, 26, 26, 0.68);
  line-height: 1.85;
}

.platform-copy ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.platform-copy li {
  padding: 9px 14px;
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 999px;
  color: var(--navy);
  background: var(--bg);
  font-size: 13px;
  font-weight: 700;
}

.platform-dashboard {
  min-height: 420px;
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 28px;
  border: 1px solid rgba(11, 31, 59, 0.1);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 246, 250, 0.92)),
    #ffffff;
  box-shadow: 0 28px 70px rgba(11, 31, 59, 0.08);
}

.dashboard-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(11, 31, 59, 0.1);
}

.dashboard-head span {
  color: var(--orange-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dashboard-head strong {
  color: var(--navy);
  font-size: 18px;
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.dashboard-metrics div,
.dashboard-flow article,
.dashboard-rows div {
  border: 1px solid rgba(11, 31, 59, 0.1);
  background: #ffffff;
}

.dashboard-metrics div {
  padding: 18px;
  border-radius: 18px;
}

.dashboard-metrics span,
.dashboard-rows span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.dashboard-metrics strong {
  display: block;
  margin-top: 8px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.2;
}

.dashboard-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.dashboard-flow article {
  min-height: 150px;
  padding: 18px;
  border-radius: 18px;
}

.dashboard-flow article span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  border-radius: 12px;
  color: #ffffff;
  background: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
}

.dashboard-flow b,
.dashboard-rows b {
  display: block;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.35;
}

.dashboard-flow p {
  margin: 8px 0 0;
  color: rgba(26, 26, 26, 0.62);
  font-size: 13px;
  line-height: 1.55;
}

.dashboard-rows {
  display: grid;
  gap: 10px;
}

.dashboard-rows div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border-radius: 16px;
}

.section {
  padding: 92px max(24px, calc((100vw - 1180px) / 2));
}

.split {
  display: grid;
  grid-template-columns: minmax(140px, 0.22fr) minmax(0, 1fr);
  gap: clamp(26px, 3vw, 44px);
  align-items: start;
}

.section-kicker {
  position: sticky;
  top: 120px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 15px;
  border-left: 4px solid var(--orange);
  border-radius: 0 999px 999px 0;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: inset 0 0 0 1px rgba(11, 31, 59, 0.08);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.2;
}

.section-main h2,
.section-heading h2 {
  margin-bottom: 20px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-main p,
.section-heading p {
  color: rgba(26, 26, 26, 0.7);
  font-size: 17px;
  line-height: 1.9;
}

.section-main p {
  max-width: 930px;
}

.contrast {
  background:
    linear-gradient(135deg, rgba(245, 246, 250, 0.94), rgba(247, 243, 236, 0.84)),
    var(--bg);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.model-section {
  background: #ffffff;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.model-card,
.case-study-card {
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 48px rgba(11, 31, 59, 0.08);
}

.model-card {
  min-height: 260px;
  padding: 30px;
}

.model-card span {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 42px;
  border-radius: 14px;
  color: #ffffff;
  background: var(--navy);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
}

.model-card h3,
.case-study-card h3 {
  margin-bottom: 14px;
  color: var(--navy);
  font-size: 24px;
  line-height: 1.25;
}

.model-card p,
.case-study-card p {
  margin: 0;
  color: rgba(26, 26, 26, 0.68);
  line-height: 1.8;
}

.model-note {
  margin: 22px 0 0;
  padding: 18px 22px;
  border-left: 4px solid var(--orange);
  color: rgba(26, 26, 26, 0.7);
  background: var(--bg);
  line-height: 1.75;
}

.data-proof-section {
  background:
    linear-gradient(180deg, #ffffff, var(--bg));
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.proof-card {
  min-height: 250px;
  padding: 26px;
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 48px rgba(11, 31, 59, 0.08);
}

.proof-card span {
  display: inline-flex;
  margin-bottom: 48px;
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
}

.proof-card h3 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 22px;
}

.proof-card p {
  margin: 0;
  color: rgba(26, 26, 26, 0.66);
  line-height: 1.75;
}

.contrast .section-heading,
#services .section-heading,
#insights .section-heading {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.advantage-grid,
.case-grid,
.insight-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.advantage-card,
.case-card,
.insight-card,
.faq-item,
.service-row,
.contact-panel {
  border: 1px solid rgba(11, 31, 59, 0.13);
  background: rgba(255, 255, 255, 0.88);
  border-radius: 20px;
  box-shadow: 0 16px 42px rgba(11, 31, 59, 0.08);
}

.advantage-card {
  min-height: 238px;
  padding: 26px;
}

.advantage-card span {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
}

.advantage-card h3,
.case-card h3,
.insight-card h3,
.faq-item h3,
.service-row h3 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.25;
}

.advantage-card p,
.case-card p,
.insight-card p,
.faq-item p,
.service-row p {
  margin-bottom: 0;
  color: rgba(26, 26, 26, 0.66);
  line-height: 1.8;
}

.service-list {
  display: grid;
  gap: 14px;
}

.service-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.service-row:hover,
.advantage-card:hover,
.case-card:hover,
.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 58px rgba(11, 31, 59, 0.12);
}

.service-index {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--navy);
  border-radius: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 24px;
  font-weight: 900;
}

.process-section {
  background: var(--navy);
  color: #ffffff;
}

.process-section .eyebrow {
  color: var(--orange);
}

.process-section h2,
.process-section .section-heading p {
  color: #ffffff;
}

.process {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  overflow: hidden;
}

.process li {
  min-height: 220px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.process strong {
  display: block;
  margin-bottom: 56px;
  color: var(--warm-bg);
  font-size: 24px;
}

.process span {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
}

.case-card,
.insight-card,
.faq-item {
  min-height: 220px;
  padding: 28px;
}

.faq-section {
  background:
    radial-gradient(circle at 12% 6%, rgba(243, 107, 33, 0.08), transparent 24%),
    #ffffff;
}

.faq-section .section-heading {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.faq-item {
  position: relative;
  overflow: hidden;
}

.faq-item::before {
  content: "Q";
  position: absolute;
  right: 22px;
  top: 18px;
  color: rgba(243, 107, 33, 0.1);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
}

.faq-item > * {
  position: relative;
}

.insight-card,
.article-card,
.featured-article {
  display: block;
  color: inherit;
  text-decoration: none;
}

.case-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.case-rank-section {
  background: #ffffff;
}

.case-rank-heading {
  max-width: 920px;
  margin: 0 auto 54px;
  text-align: center;
}

.case-rank-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin-bottom: 16px;
  padding: 0 18px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--navy);
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
}

.case-rank-heading h2 {
  max-width: 780px;
  margin: 0 auto 20px;
  color: var(--navy);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
}

.case-rank-heading p {
  margin: 0;
  color: rgba(26, 26, 26, 0.68);
  font-size: 18px;
  line-height: 1.85;
}

.case-rank-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
}

.case-rank-card {
  min-height: 236px;
  display: grid;
  align-content: space-between;
  gap: 22px;
  padding: 20px;
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(11, 31, 59, 0.06);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.case-rank-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 60px rgba(11, 31, 59, 0.12);
}

.case-rank-dialogue {
  position: relative;
  min-height: 146px;
  padding: 20px 18px 20px 22px;
  border-radius: 20px;
  overflow: hidden;
  background: #f6f7f9;
}

.case-rank-dialogue::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  border-radius: 0 999px 999px 0;
  background: var(--navy);
}

.case-rank-dialogue h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.35;
}

.case-rank-dialogue h3 span {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  color: #ffffff;
  background: var(--navy);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.case-rank-dialogue p {
  margin: 0;
  color: rgba(26, 26, 26, 0.7);
  font-size: 14px;
  line-height: 1.75;
}

.case-rank-card strong {
  display: block;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.35;
}

.case-study-card {
  position: relative;
  min-height: 440px;
  padding: 32px;
  overflow: hidden;
}

.case-study-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 88% 12%, rgba(243, 107, 33, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(245, 246, 250, 0.72), transparent 58%);
}

.case-study-card > * {
  position: relative;
}

.case-badge {
  width: fit-content;
  margin-bottom: 22px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--orange-deep);
  background: rgba(243, 107, 33, 0.1);
  font-size: 13px;
  font-weight: 900;
}

.case-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1fr) 32px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  margin: 28px 0;
}

.case-flow span {
  min-height: 52px;
  display: grid;
  place-items: center;
  padding: 0 12px;
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 14px;
  color: var(--navy);
  background: #ffffff;
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.case-flow i {
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(243, 107, 33, 0.12));
}

.insight-card time {
  display: block;
  margin-bottom: 22px;
  color: var(--orange-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
}

.lead-section {
  position: relative;
  padding: 112px max(24px, calc((100vw - 1180px) / 2));
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 12%, rgba(243, 107, 33, 0.08), transparent 28%),
    radial-gradient(circle at 92% 18%, rgba(11, 31, 59, 0.06), transparent 26%),
    #ffffff;
}

.lead-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.46;
  background-image:
    linear-gradient(90deg, rgba(11, 31, 59, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(11, 31, 59, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
}

.lead-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.74fr);
  gap: 38px;
  align-items: stretch;
}

.lead-copy,
.lead-form {
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 28px;
  box-shadow: 0 26px 70px rgba(11, 31, 59, 0.1);
}

.lead-copy {
  padding: clamp(32px, 6vw, 64px);
  color: var(--navy);
  background:
    linear-gradient(180deg, rgba(245, 246, 250, 0.86), rgba(255, 255, 255, 0.94)),
    #ffffff;
}

.lead-copy .eyebrow {
  color: var(--orange-deep);
}

.lead-copy h2 {
  max-width: 720px;
  margin-bottom: 20px;
  color: var(--navy);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.08;
}

.lead-copy > p {
  max-width: 660px;
  color: rgba(26, 26, 26, 0.7);
  font-size: 18px;
  line-height: 1.9;
}

.lead-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.lead-benefits span {
  padding: 10px 14px;
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 999px;
  color: var(--navy);
  background: #ffffff;
  font-size: 14px;
  font-weight: 800;
}

.lead-hotline {
  display: grid;
  gap: 8px;
  width: fit-content;
  margin-top: 56px;
  padding: 22px 26px;
  border-left: 4px solid var(--orange);
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(11, 31, 59, 0.08);
}

.lead-hotline span,
.lead-hotline small {
  color: var(--muted);
}

.lead-hotline a {
  color: var(--navy);
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 900;
  line-height: 1;
}

.lead-form {
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
}

.form-title {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.form-title span {
  color: var(--orange-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.form-title strong {
  color: var(--navy);
  font-size: 28px;
  line-height: 1.2;
}

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

.field {
  display: grid;
  gap: 9px;
  color: var(--navy);
  font-weight: 800;
}

.field b {
  color: var(--orange);
}

.field-full {
  grid-column: 1 / -1;
}

.field input,
.field textarea,
.phone-field {
  width: 100%;
  border: 1px solid rgba(11, 31, 59, 0.16);
  border-radius: 16px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  outline: 0;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.field input,
.field textarea {
  padding: 15px 16px;
}

.field textarea {
  resize: vertical;
  min-height: 112px;
}

.field input:focus,
.field textarea:focus,
.phone-field:focus-within {
  border-color: rgba(243, 107, 33, 0.62);
  box-shadow: 0 0 0 4px rgba(243, 107, 33, 0.1);
}

.phone-field {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  overflow: hidden;
}

.phone-field em {
  display: grid;
  place-items: center;
  color: var(--navy);
  background: var(--bg);
  font-style: normal;
  font-weight: 900;
}

.phone-field input {
  border: 0;
  border-left: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 0;
  box-shadow: none;
}

.submit-btn {
  width: 100%;
  margin-top: 22px;
  border-radius: 16px;
}

.form-message {
  min-height: 22px;
  margin: 14px 0 0;
  color: var(--orange-deep);
  font-weight: 800;
  line-height: 1.5;
}

.form-message.is-success {
  color: #1f7a48;
}

.form-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.mobile-contact-bar,
.mobile-contact-toast {
  display: none;
}

.site-footer {
  padding: 64px max(24px, calc((100vw - 1180px) / 2)) 28px;
  color: rgba(255, 255, 255, 0.72);
  background: #07162b;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(172px, 0.38fr) minmax(380px, 1fr);
  gap: 42px;
  align-items: start;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand {
  display: grid;
  gap: 22px;
}

.footer-brand .brand {
  color: #ffffff;
}

.footer-brand .brand-mark {
  border-color: rgba(255, 255, 255, 0.16);
}

.footer-brand p {
  max-width: 540px;
  margin: 0;
  line-height: 1.85;
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-contact a,
.footer-contact span {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.footer-wechat {
  display: grid;
  gap: 14px;
  justify-items: center;
  width: min(100%, 190px);
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.footer-wechat img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  border-radius: 14px;
  background: #ffffff;
  object-fit: cover;
}

.footer-wechat div {
  display: grid;
  gap: 5px;
  text-align: center;
}

.footer-wechat strong {
  color: #ffffff;
  font-size: 15px;
  line-height: 1.25;
}

.footer-wechat span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
}

.footer-links div {
  display: grid;
  gap: 14px;
  align-content: start;
}

.footer-links h3 {
  margin-bottom: 4px;
  color: #ffffff;
  font-size: 18px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.66);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--orange);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
}

.subpage {
  padding-top: 68px;
}

.subpage-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.54fr);
  gap: 42px;
  align-items: end;
  padding: 112px max(24px, calc((100vw - 1180px) / 2)) 88px;
  background:
    radial-gradient(circle at 86% 16%, rgba(243, 107, 33, 0.1), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.subpage-copy h1 {
  margin-bottom: 24px;
  color: var(--navy);
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.02;
}

.subpage-copy p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(26, 26, 26, 0.72);
  font-size: 18px;
  line-height: 1.9;
}

.subpage-panel,
.profile-card,
.featured-article,
.article-card,
.about-method-card {
  border: 1px solid rgba(11, 31, 59, 0.12);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 54px rgba(11, 31, 59, 0.08);
}

.subpage-panel {
  padding: 30px;
}

.subpage-panel span,
.featured-article span,
.article-card span {
  color: var(--orange-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.subpage-panel strong {
  display: block;
  margin: 18px 0 14px;
  color: var(--navy);
  font-size: 28px;
  line-height: 1.25;
}

.subpage-panel p {
  margin: 0;
  color: rgba(26, 26, 26, 0.68);
  line-height: 1.8;
}

.about-method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.about-method-card {
  min-height: 260px;
  padding: 26px;
}

.about-method-card span {
  display: inline-flex;
  margin-bottom: 44px;
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
}

.about-method-card h3,
.article-card h3 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.25;
}

.about-method-card p,
.article-card p,
.featured-article p {
  margin: 0;
  color: rgba(26, 26, 26, 0.66);
  line-height: 1.8;
}

.about-profile {
  background: #ffffff;
}

.profile-card {
  padding: clamp(28px, 5vw, 54px);
}

.profile-card h2 {
  margin-bottom: 28px;
  color: var(--navy);
  font-size: clamp(34px, 5vw, 58px);
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 32px;
  border: 1px solid var(--line);
  background: var(--line);
}

.profile-grid div {
  padding: 22px;
  background: #ffffff;
}

.profile-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.profile-grid strong {
  display: block;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.4;
}

.news-hero {
  background:
    radial-gradient(circle at 84% 12%, rgba(243, 107, 33, 0.1), transparent 25%),
    linear-gradient(180deg, #ffffff 0%, var(--warm-bg) 100%);
}

.news-feature {
  background: #ffffff;
}

.featured-article {
  padding: clamp(30px, 5vw, 58px);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.featured-article:hover,
.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(243, 107, 33, 0.28);
  box-shadow: 0 28px 70px rgba(11, 31, 59, 0.12);
}

.featured-article > div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.featured-article time,
.article-card time {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.featured-article h2 {
  max-width: 920px;
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
}

.news-list-section {
  background:
    linear-gradient(180deg, var(--bg), #ffffff);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-card {
  min-height: 270px;
  padding: 28px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.article-card time,
.article-card span {
  display: inline-flex;
  margin: 0 10px 22px 0;
}

.compact-lead {
  padding-top: 86px;
  padding-bottom: 86px;
}

.article-page {
  padding-top: 68px;
  background:
    radial-gradient(circle at 86% 8%, rgba(243, 107, 33, 0.08), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, var(--warm-bg) 330px, #ffffff 620px);
}

.article-hero {
  padding: 104px max(24px, calc((100vw - 1180px) / 2)) 58px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
  color: var(--orange-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-meta time {
  color: var(--muted);
  letter-spacing: 0;
}

.article-hero h1 {
  max-width: 980px;
  margin-bottom: 24px;
  color: var(--navy);
  font-size: clamp(40px, 6.4vw, 78px);
  line-height: 1.06;
}

.article-hero > p {
  max-width: 820px;
  margin: 0;
  color: rgba(26, 26, 26, 0.72);
  font-size: 19px;
  line-height: 1.9;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 790px) minmax(250px, 320px);
  gap: 52px;
  align-items: start;
  padding: 0 max(24px, calc((100vw - 1180px) / 2)) 96px;
}

.article-body {
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid rgba(11, 31, 59, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 22px 58px rgba(11, 31, 59, 0.08);
}

.article-body h2 {
  margin: 42px 0 16px;
  color: var(--navy);
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.24;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body p,
.article-body li {
  color: rgba(26, 26, 26, 0.72);
  font-size: 17px;
  line-height: 2;
}

.article-body p {
  margin: 0 0 18px;
}

.article-body ul {
  display: grid;
  gap: 12px;
  margin: 18px 0 24px;
  padding-left: 1.2em;
}

.article-body strong {
  color: var(--navy);
}

.article-note {
  margin: 30px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--orange);
  color: rgba(26, 26, 26, 0.72);
  background: var(--bg);
  line-height: 1.9;
}

.article-aside {
  position: sticky;
  top: 94px;
  display: grid;
  gap: 16px;
}

.aside-card {
  padding: 24px;
  border: 1px solid rgba(11, 31, 59, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 44px rgba(11, 31, 59, 0.08);
}

.aside-card span {
  display: block;
  margin-bottom: 14px;
  color: var(--orange-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.aside-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.3;
}

.aside-card p {
  margin: 0 0 18px;
  color: rgba(26, 26, 26, 0.66);
  line-height: 1.8;
}

.article-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.article-nav a,
.aside-card a {
  color: var(--orange-deep);
  font-weight: 900;
  text-decoration: none;
}

.read-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--orange-deep);
  font-size: 14px;
  font-weight: 900;
}

.read-link::after {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.featured-article:hover .read-link::after,
.article-card:hover .read-link::after,
.insight-card:hover .read-link::after {
  transform: translateX(6px);
}

.admin-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 0%, rgba(243, 107, 33, 0.08), transparent 28%),
    var(--bg);
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px max(20px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(11, 31, 59, 0.1);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.admin-shell {
  display: grid;
  gap: 24px;
  padding: 34px max(20px, calc((100vw - 1180px) / 2)) 70px;
}

.admin-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 28px;
  align-items: end;
  padding: clamp(28px, 5vw, 54px);
  border-radius: 28px;
  color: #ffffff;
  background:
    radial-gradient(circle at 82% 18%, rgba(243, 107, 33, 0.24), transparent 24%),
    linear-gradient(135deg, #07162b, var(--navy));
  box-shadow: 0 28px 70px rgba(11, 31, 59, 0.18);
}

.admin-hero .eyebrow {
  color: var(--orange);
}

.admin-hero h1 {
  margin-bottom: 14px;
  color: #ffffff;
  font-size: clamp(38px, 5vw, 62px);
}

.admin-hero p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.admin-token {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
}

.admin-token label,
.admin-toolbar label {
  display: grid;
  gap: 8px;
  font-weight: 800;
}

.admin-token input,
.admin-toolbar input {
  width: 100%;
  border: 1px solid rgba(11, 31, 59, 0.14);
  border-radius: 14px;
  padding: 14px 15px;
  color: var(--ink);
  font: inherit;
  outline: 0;
}

.admin-token span {
  color: rgba(255, 255, 255, 0.76);
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.admin-stats article,
.admin-panel {
  border: 1px solid rgba(11, 31, 59, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 45px rgba(11, 31, 59, 0.08);
}

.admin-stats article {
  padding: 24px;
}

.admin-stats span {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}

.admin-stats strong {
  color: var(--navy);
  font-size: 34px;
}

.admin-panel {
  overflow: hidden;
}

.admin-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: 18px;
  align-items: end;
  padding: 22px;
  border-bottom: 1px solid rgba(11, 31, 59, 0.1);
}

.admin-toolbar div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(11, 31, 59, 0.08);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  color: var(--navy);
  background: var(--bg);
  font-size: 13px;
}

.admin-table td {
  color: rgba(26, 26, 26, 0.74);
  line-height: 1.6;
}

.admin-message {
  min-height: 24px;
  margin: 0;
  padding: 18px 22px;
  color: var(--muted);
  font-weight: 800;
}

.admin-message.is-error {
  color: var(--orange-deep);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .case-rank-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .site-header {
    height: auto;
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 10px 18px;
  }

  .brand {
    flex: 1 1 auto;
  }

  .header-cta {
    flex: 0 0 auto;
    margin-left: auto;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 158px;
    padding-bottom: 94px;
  }

  .hero-card {
    max-width: 360px;
    margin: 0;
  }

  .headline-panel {
    grid-template-columns: 1fr;
    margin-top: -42px;
  }

  .headline-panel article {
    border-right: 0;
    border-bottom: 1px solid rgba(11, 31, 59, 0.08);
  }

  .headline-panel article:last-child {
    border-bottom: 0;
  }

  .platform-section {
    grid-template-columns: 1fr;
    padding-top: 72px;
  }

  .platform-dashboard {
    min-height: auto;
  }

  .dashboard-metrics,
  .dashboard-flow,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid {
    right: 24px;
    bottom: 24px;
    grid-template-columns: repeat(2, 96px);
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .split,
  .advantage-grid,
  .case-grid,
  .case-showcase,
  .insight-grid,
  .faq-grid,
  .model-grid,
  .process {
    grid-template-columns: 1fr;
  }

  .section-kicker {
    position: static;
  }

  .lead-shell,
  .footer-main,
  .subpage-hero,
  .admin-hero,
  .article-shell,
  .admin-toolbar {
    grid-template-columns: 1fr;
  }

  .admin-stats {
    grid-template-columns: 1fr;
  }

  .lead-hotline {
    margin-top: 34px;
  }

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

  .about-method-grid,
  .article-grid,
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
  }

  .footer-main {
    gap: 38px;
  }
}

@media (max-width: 620px) {
  body {
    padding-bottom: calc(84px + env(safe-area-inset-bottom));
  }

  .case-rank-heading {
    text-align: left;
  }

  .case-rank-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    top: 0;
    gap: 10px 12px;
    width: 100vw;
    padding: 10px 14px;
  }

  .header-cta {
    min-width: 0;
    height: 40px;
    padding: 0 13px;
    font-size: 12px;
  }

  .brand {
    min-width: 0;
  }

  .site-header .brand {
    min-width: 126px;
  }

  .site-header .brand-mark {
    width: 126px;
    height: 40px;
  }

  .brand strong {
    font-size: 16px;
  }

  .brand small {
    display: none;
  }

  h1 {
    font-size: clamp(30px, 8.8vw, 34px);
    line-height: 1.16;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    max-width: 100%;
  }

  .hero-card {
    width: 100%;
    max-width: 100%;
    border-radius: 24px;
  }

  .answer-platforms {
    grid-template-columns: 1fr;
  }

  .model-card,
  .case-study-card,
  .proof-card,
  .platform-dashboard {
    padding: 24px;
  }

  .dashboard-head,
  .dashboard-rows div {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .dashboard-head {
    flex-direction: column;
  }

  .case-flow {
    grid-template-columns: 1fr;
  }

  .case-flow i {
    width: 2px;
    height: 18px;
    margin: 0 auto;
    background: linear-gradient(180deg, var(--orange), rgba(243, 107, 33, 0.12));
  }

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

  .section,
  .platform-section,
  .lead-section,
  .subpage-hero,
  .article-hero,
  .article-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .subpage-hero {
    padding-top: 142px;
    padding-bottom: 70px;
  }

  .subpage-copy h1 {
    font-size: 42px;
  }

  .article-hero {
    padding-top: 142px;
    padding-bottom: 46px;
  }

  .article-hero h1 {
    font-size: 40px;
  }

  .lead-copy,
  .lead-form {
    border-radius: 24px;
  }

  .lead-copy h2 {
    font-size: 34px;
  }

  .lead-hotline {
    width: 100%;
  }

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

  .footer-bottom {
    flex-direction: column;
  }

  .mobile-contact-bar {
    position: fixed;
    z-index: 40;
    right: 14px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    left: 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    padding: 8px;
    border: 1px solid rgba(11, 31, 59, 0.12);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 18px 46px rgba(11, 31, 59, 0.22);
    backdrop-filter: blur(18px);
  }

  .mobile-contact-action {
    min-width: 0;
    min-height: 56px;
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 8px;
    align-items: center;
    padding: 9px 10px;
    border: 0;
    border-radius: 16px;
    font: inherit;
    text-align: left;
  }

  .mobile-contact-action b,
  .mobile-contact-action small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-contact-action b {
    font-size: 14px;
    font-weight: 900;
    line-height: 1.2;
  }

  .mobile-contact-action small {
    margin-top: 3px;
    font-size: 11px;
    font-weight: 800;
    line-height: 1;
    opacity: 0.72;
  }

  .mobile-contact-icon {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 12px;
  }

  .mobile-contact-svg {
    width: 24px;
    height: 24px;
    display: block;
  }

  .mobile-contact-wechat {
    color: var(--navy);
    background:
      radial-gradient(circle at 18% 18%, rgba(243, 107, 33, 0.14), transparent 36%),
      #ffffff;
  }

  .mobile-contact-wechat .mobile-contact-icon {
    color: #ffffff;
    background: linear-gradient(135deg, #38e447, #05b92f);
    --wechat-dot: #10c736;
  }

  .mobile-contact-phone {
    color: #ffffff;
    background: linear-gradient(135deg, var(--orange), var(--orange-deep));
    box-shadow: 0 10px 24px rgba(243, 107, 33, 0.26);
  }

  .mobile-contact-phone .mobile-contact-icon {
    color: var(--orange-deep);
    background: rgba(255, 255, 255, 0.9);
  }

  .mobile-contact-toast {
    position: fixed;
    z-index: 41;
    right: 28px;
    bottom: calc(92px + env(safe-area-inset-bottom));
    left: 28px;
    display: block;
    margin: 0;
    padding: 12px 14px;
    border-radius: 14px;
    color: #ffffff;
    background: rgba(11, 31, 59, 0.94);
    box-shadow: 0 14px 36px rgba(11, 31, 59, 0.22);
    font-size: 13px;
    font-weight: 800;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .mobile-contact-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .admin-header {
    flex-wrap: wrap;
    padding: 12px 14px;
  }

  .admin-shell {
    padding-left: 14px;
    padding-right: 14px;
  }

  .admin-hero {
    border-radius: 24px;
  }
}