:root {
  --accent: #f58220;
  --accent-dark: #d8660d;
  --accent-soft: #fff0df;
  --secondary: #3d8bea;
  --secondary-soft: #eaf4ff;
  --navy: #173558;
  --ink: #25364b;
  --muted: #697a8f;
  --line: rgba(23, 53, 88, 0.10);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  width: 1080px;
  height: 1920px;
  overflow: hidden;
  color: var(--ink);
  background: #fffaf4;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.theme-blue {
  --accent: #3d8bea;
  --accent-dark: #276fc5;
  --accent-soft: #eaf4ff;
  --secondary: #f58220;
  --secondary-soft: #fff0df;
}

.poster {
  position: relative;
  width: 1080px;
  height: 1920px;
  overflow: hidden;
  padding: 56px 62px 42px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,253,249,.88) 31%, #fffaf4 100%),
    var(--poster-bg) center top / cover no-repeat;
}

.theme-blue.poster {
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(250,253,255,.90) 31%, #f8fbff 100%),
    var(--poster-bg) center top / cover no-repeat;
}

.poster::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255,255,255,.25), transparent 44%);
}

.content {
  position: relative;
  z-index: 1;
  height: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.brand {
  display: block;
  width: 286px;
  height: auto;
}

.release-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--navy);
  font-size: 20px;
}

.date {
  font-weight: 650;
  letter-spacing: .04em;
}

.status {
  padding: 11px 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 999px;
  color: var(--accent-dark);
  background: color-mix(in srgb, var(--accent-soft) 88%, white);
  font-weight: 750;
}

.hero {
  height: 430px;
  padding-top: 54px;
}

.release-1121 .hero {
  height: 270px;
  padding-top: 42px;
}

.release-1121 h1 {
  width: 880px;
  font-size: 66px;
}

.release-1121 .subtitle {
  margin-top: 14px;
}

.release-1121.poster {
  background: #f7f6f3;
}

.release-1121.poster::after {
  background: none;
}

.release-1121 .topbar {
  height: 64px;
  padding-bottom: 12px;
  border-bottom: 1px solid #dedbd6;
}

.release-1121 .brand {
  width: 264px;
}

.release-1121 .status {
  padding: 9px 13px;
  border-color: #efc6a4;
  border-radius: 4px;
  background: #fff;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--accent-dark);
  font-size: 22px;
  font-weight: 750;
  letter-spacing: .10em;
}

.eyebrow::before {
  content: "";
  width: 42px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
}

h1 {
  width: 650px;
  margin: 0;
  color: var(--navy);
  font-size: 72px;
  line-height: 1.10;
  letter-spacing: -.035em;
  font-weight: 820;
}

.subtitle {
  width: 620px;
  margin-top: 19px;
  color: #43566e;
  font-size: 28px;
  line-height: 1.55;
  font-weight: 520;
}

.stack {
  display: grid;
  gap: 20px;
}

.card {
  border: 1px solid rgba(23,53,88,.08);
  border-radius: 24px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 16px 44px rgba(35,58,85,.07);
  backdrop-filter: blur(12px);
}

.section-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 16px;
}

.section-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: #fff;
  background: var(--accent);
  font-size: 18px;
  font-weight: 800;
}

.section-title {
  color: var(--navy);
  font-size: 27px;
  line-height: 1;
  font-weight: 800;
}

.features-card {
  padding: 24px 30px 25px;
}

.screenshot-card {
  padding: 24px;
}

.logic-layout {
  display: grid;
  gap: 18px;
}

.logic-entry,
.logic-steps,
.logic-summary,
.logic-result {
  border: 1px solid #e3e1de;
  border-radius: 10px;
  background: #fff;
}

.logic-entry {
  padding: 25px 28px 26px;
}

.logic-title {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 18px;
}

.logic-title > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  color: #fff;
  background: var(--accent);
  font-size: 16px;
  font-weight: 800;
}

.logic-title b {
  display: block;
  margin-bottom: 4px;
  color: var(--navy);
  font-size: 25px;
  line-height: 1.2;
}

.logic-title p {
  margin: 0;
  color: #6a7480;
  font-size: 15px;
  line-height: 1.5;
}

.logic-window {
  overflow: hidden;
  border: 1px solid #e2e5e9;
  border-radius: 8px;
  background: #fff;
}

.logic-window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid #eceef0;
  color: #7c8794;
  background: #f7f7f6;
  font-size: 13px;
}

.logic-window-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cfd3d8;
}

.logic-window-bar span {
  margin-left: 6px;
}

.logic-admin-shot {
  position: relative;
  height: 320px;
  overflow: hidden;
  background: #f8fafc;
}

.logic-admin-shot img {
  position: absolute;
  left: -30px;
  top: 0;
  width: 1650px;
  max-width: none;
  height: auto;
}

.logic-path {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 12px;
  padding: 13px 15px;
  border-left: 3px solid var(--accent);
  background: #f7f6f3;
}

.logic-path span {
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 760;
}

.logic-path b {
  color: var(--navy);
  font-size: 16px;
  line-height: 1.4;
}

.logic-steps {
  padding: 24px 28px 26px;
}

.logic-title.compact {
  margin-bottom: 16px;
}

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

.step-grid article {
  position: relative;
  min-height: 250px;
  padding: 19px 18px 18px;
  border: 1px solid #e8e6e3;
  border-radius: 8px;
  background: #fbfbfa;
}

.step-no {
  display: block;
  margin-bottom: 12px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.step-grid h3 {
  margin: 0 0 9px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.3;
}

.step-grid p {
  margin: 0;
  color: #68717d;
  font-size: 15px;
  line-height: 1.55;
}

.step-grid small {
  position: absolute;
  left: 18px;
  bottom: 17px;
  color: #8a929c;
  font-size: 13px;
  font-weight: 700;
}

.step-mobile-shot {
  position: relative;
  height: 112px;
  margin-top: 8px;
  overflow: hidden;
  border: 1px solid #e3e6ea;
  border-radius: 6px;
  background: #f7f9fc;
}

.step-mobile-shot img {
  position: absolute;
  left: -8px;
  top: -72px;
  width: 296px;
  max-width: none;
  height: auto;
}

.logic-summary {
  overflow: hidden;
}

.logic-summary > div {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  align-items: center;
  min-height: 110px;
  padding: 18px 28px;
  border-bottom: 1px solid #e8e6e3;
}

.logic-summary > div:last-child {
  border-bottom: 0;
}

.logic-summary b {
  color: var(--accent-dark);
  font-size: 21px;
  line-height: 1.3;
}

.logic-summary p {
  margin: 0;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 650;
}

.logic-result {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  align-items: center;
  min-height: 130px;
  padding: 22px 28px;
  border-color: #ead8c8;
  background: #fbf8f4;
}

.logic-result span {
  display: block;
  margin-bottom: 5px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 760;
}

.logic-result strong {
  color: var(--navy);
  font-size: 19px;
  line-height: 1.4;
}

.logic-result p {
  margin: 0;
  color: #68717d;
  font-size: 14px;
  line-height: 1.55;
}

.system-shot {
  position: relative;
  height: 500px;
  overflow: hidden;
  border: 1px solid rgba(23,53,88,.11);
  border-radius: 17px;
  background: #f8fbff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.75);
}

.system-shot img {
  position: absolute;
  display: block;
  max-width: none;
  height: auto;
}

.shot-1119 img {
  width: 1680px;
  left: -66px;
  top: -165px;
}

.shot-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 13px;
  padding: 12px 16px;
  border-radius: 14px;
  color: var(--navy);
  background: linear-gradient(135deg, var(--accent-soft), #fff);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
}

.shot-foot small {
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

.entry-dot {
  width: 12px;
  height: 12px;
  border: 3px solid white;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}

.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.feature {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 15px;
  align-items: center;
  min-height: 110px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.78);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 17px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 28px;
  font-weight: 800;
}

.feature:nth-child(even) .feature-icon {
  color: color-mix(in srgb, var(--secondary) 82%, #173558);
  background: var(--secondary-soft);
}

.feature h3 {
  margin: 0 0 5px;
  color: var(--navy);
  font-size: 23px;
  line-height: 1.25;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.52;
}