:root {
  --blue: #1668e8;
  --blue-dark: #0d56c5;
  --blue-soft: #eaf2ff;
  --ink: #151922;
  --muted: #687180;
  --light: #f6f8fb;
  --line: #dfe5ee;
  --card: #ffffff;
  --red: #e31f2f;
  --green: #2f8c52;
  --shadow: 0 8px 24px rgba(26, 42, 72, 0.1);
}

.detail-layout {
  grid-template-columns: 1fr;
  max-width: 980px;
  margin: 0 auto;
}

.detail-layout > .reader-shell {
  justify-self: center;
}

.info-panel {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.reader-shell.flipbook-shell {
  width: min(100%, 640px);
  gap: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: #fff;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.12), transparent 34%),
    linear-gradient(180deg, #4a4d54, #303238);
  box-shadow: 0 24px 56px rgba(11, 18, 32, 0.28);
}

.reader-shell.flipbook-shell.is-wide-reader {
  width: min(100%, 860px);
}

.reader-shell .flipbook-head {
  align-items: center;
  padding: 18px 20px 0;
}

.reader-shell .flipbook-head h2 {
  color: #fff;
}

.reader-shell .eyebrow {
  color: #b9d3ff;
}

.reader-chip {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #dbe9ff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.reader-head-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.reader-share-sample {
  border-color: rgba(103, 163, 255, 0.64);
  color: #fff;
  background: rgba(22, 104, 232, 0.58);
}

.reader-chip:hover {
  color: #fff;
  background: #1668e8;
}

.reader-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
}

.reader-frame {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 590px;
  padding: 24px 24px 18px;
  overflow: auto;
  background:
    radial-gradient(ellipse at 50% 76%, rgba(0, 0, 0, 0.44), transparent 38%),
    linear-gradient(180deg, #555960, #3b3e45 58%, #34373d);
}

.reader-shell.is-wide-reader .reader-frame {
  min-height: 570px;
}

.reader-frame::before {
  content: "";
  position: absolute;
  left: 15%;
  right: 15%;
  bottom: 34px;
  height: 58px;
  border-radius: 50%;
  background: rgba(4, 8, 18, 0.42);
  filter: blur(22px);
}

.reader-frame::after {
  content: "";
  position: absolute;
  top: 11%;
  bottom: 13%;
  z-index: 2;
  width: 108px;
  opacity: 0;
  pointer-events: none;
  filter: blur(0.2px);
}

.reader-shell.is-turning-next .reader-frame::after {
  right: calc(50% - 278px);
  background:
    radial-gradient(ellipse at right, rgba(255, 255, 255, 0.68), transparent 52%),
    linear-gradient(90deg, rgba(6, 12, 24, 0), rgba(6, 12, 24, 0.24));
  animation: readerNextShadow 0.98s ease;
}

.reader-shell.is-turning-prev .reader-frame::after {
  left: calc(50% - 278px);
  background:
    radial-gradient(ellipse at left, rgba(255, 255, 255, 0.62), transparent 52%),
    linear-gradient(270deg, rgba(6, 12, 24, 0), rgba(6, 12, 24, 0.22));
  animation: readerPrevShadow 0.98s ease;
}

.real-flipbook {
  position: relative;
  z-index: 1;
  display: none;
  width: calc(100% * var(--reader-zoom, 1));
  max-width: calc(520px * var(--reader-zoom, 1)) !important;
  min-height: 580px;
  margin: 0 auto;
  filter: drop-shadow(0 26px 30px rgba(0, 0, 0, 0.36));
  outline: 0;
  touch-action: none;
}

.reader-shell.has-real-flip .real-flipbook {
  display: block;
}

.real-flipbook.stf__parent {
  max-width: calc(520px * var(--reader-zoom, 1)) !important;
}

.reader-shell.is-wide-reader .real-flipbook,
.reader-shell.is-wide-reader .real-flipbook.stf__parent {
  max-width: calc(860px * var(--reader-zoom, 1)) !important;
  min-height: 520px;
}

.real-flipbook .stf__wrapper {
  border-radius: 6px;
  overflow: visible;
}

.real-flipbook .stf__block {
  overflow: visible;
}

.real-flipbook .stf__item {
  border-radius: 6px;
}

.real-page {
  overflow: hidden;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

.real-page .flip-page-inner {
  min-height: 100%;
  border: 0;
  border-radius: 6px;
  box-shadow:
    inset 14px 0 24px rgba(18, 32, 55, 0.08),
    inset -1px 0 0 rgba(255, 255, 255, 0.86);
}

.real-page.is-hard .flip-page-inner {
  box-shadow:
    inset 18px 0 28px rgba(18, 32, 55, 0.12),
    inset -4px 0 8px rgba(255, 255, 255, 0.62);
}

.real-page .flip-page-inner::after {
  width: 11px;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.22), rgba(15, 23, 42, 0.05)),
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0 8px, transparent 8px 16px);
}

.real-page.is-cover .flip-page-inner {
  box-shadow:
    inset 14px 0 28px rgba(4, 11, 27, 0.2),
    inset -10px 0 22px rgba(255, 255, 255, 0.14);
}

.real-page.is-pdf-page {
  background: #f7f9fc;
}

.pdf-page-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 0;
  overflow: hidden;
  border-radius: 6px;
  background: #f7f9fc;
  box-shadow:
    inset 14px 0 24px rgba(18, 32, 55, 0.08),
    inset -1px 0 0 rgba(255, 255, 255, 0.86);
}

.pdf-page-inner img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #fff;
}

.pdf-page-count {
  position: absolute;
  right: 10px;
  bottom: 8px;
  padding: 3px 7px;
  border-radius: 999px;
  color: #fff;
  background: rgba(15, 23, 42, 0.58);
  font-size: 11px;
  font-weight: 900;
}

.real-page.is-english .flip-page-inner {
  gap: 13px;
}

.real-page.is-english .flip-page-inner h2 {
  font-size: 27px;
  line-height: 1.14;
}

.real-page.is-english .flip-page-inner p {
  line-height: 1.58;
}

.real-page.is-english .page-topic {
  font-weight: 850;
}

.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 13px 18px 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #2d3036;
}

.reader-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
  cursor: pointer;
  font-size: 30px;
  line-height: 1;
}

.reader-btn:hover:not(:disabled) {
  background: var(--blue);
}

.reader-btn:disabled {
  opacity: 0.38;
  cursor: default;
}

.reader-shell .flipbook-count {
  min-width: 78px;
  text-align: center;
  border-color: rgba(255, 255, 255, 0.14);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.reader-shell .flipbook-controls {
  padding: 0 18px 18px;
  background: #2d3036;
}

.reader-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 20px 0;
}

.reader-benefits button {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: #dce9ff;
  background: rgba(255, 255, 255, 0.07);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.reader-topic:hover,
.reader-topic.is-active {
  border-color: rgba(103, 163, 255, 0.82);
  color: #fff;
  background: #1668e8;
}

.reader-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 20px 14px;
}

.reader-tool,
.reader-jump {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: #f8fbff;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  font-size: 13px;
  font-weight: 900;
}

.reader-tool {
  min-width: 42px;
  padding: 0 12px;
  cursor: pointer;
}

.reader-tool:hover:not(:disabled),
.reader-tool.is-active {
  border-color: rgba(103, 163, 255, 0.72);
  color: #fff;
  background: #1668e8;
}

.reader-tool:disabled {
  opacity: 0.38;
  cursor: default;
}

.reader-jump {
  padding: 0 8px 0 12px;
}

.reader-jump span {
  color: #cfe0ff;
}

.reader-jump input {
  width: 54px;
  height: 24px;
  border: 0;
  border-radius: 999px;
  color: #0f172a;
  background: #fff;
  text-align: center;
  font-weight: 900;
  outline: 0;
}

.reader-tool-status {
  min-width: 96px;
  color: #b9d3ff;
  font-size: 12px;
  font-weight: 900;
}

.reader-shell:fullscreen,
.reader-shell:-webkit-full-screen {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.1), transparent 34%),
    radial-gradient(ellipse at 50% 82%, rgba(0, 0, 0, 0.34), transparent 42%),
    linear-gradient(180deg, #555961 0%, #383c43 42%, #24272d 100%);
}

.reader-shell:fullscreen .flipbook-head,
.reader-shell:-webkit-full-screen .flipbook-head {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 13px 18px 9px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(37, 41, 48, 0.94), rgba(37, 41, 48, 0.72));
  backdrop-filter: blur(14px);
}

.reader-shell:fullscreen .flipbook-head h2,
.reader-shell:-webkit-full-screen .flipbook-head h2 {
  max-width: 64vw;
  overflow: hidden;
  font-size: 18px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-shell:fullscreen .eyebrow,
.reader-shell:-webkit-full-screen .eyebrow {
  margin-bottom: 3px;
  font-size: 12px;
}

.reader-shell:fullscreen .reader-head-actions,
.reader-shell:-webkit-full-screen .reader-head-actions {
  flex-wrap: nowrap;
}

.reader-shell:fullscreen .reader-chip,
.reader-shell:-webkit-full-screen .reader-chip {
  min-height: 32px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.1);
}

.reader-shell:fullscreen .reader-benefits,
.reader-shell:-webkit-full-screen .reader-benefits {
  padding: 10px 18px 0;
}

.reader-shell:fullscreen .reader-tools,
.reader-shell:-webkit-full-screen .reader-tools {
  position: absolute;
  top: 58px;
  left: 18px;
  z-index: 5;
  max-width: calc(100vw - 36px);
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 18px;
  background: rgba(35, 39, 46, 0.62);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
}

.reader-shell:fullscreen .reader-tool,
.reader-shell:fullscreen .reader-jump,
.reader-shell:-webkit-full-screen .reader-tool,
.reader-shell:-webkit-full-screen .reader-jump {
  min-height: 32px;
  padding-left: 10px;
  padding-right: 10px;
  font-size: 12px;
}

.reader-shell:fullscreen .reader-frame,
.reader-shell:-webkit-full-screen .reader-frame {
  grid-row: 1;
  min-height: 0;
  height: 100vh;
  padding: clamp(118px, 13vh, 156px) clamp(36px, 5vw, 92px) clamp(86px, 11vh, 122px);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 76%, rgba(0, 0, 0, 0.44), transparent 38%),
    radial-gradient(ellipse at 50% 42%, rgba(255, 255, 255, 0.08), transparent 42%),
    linear-gradient(180deg, rgba(85, 89, 96, 0.74), rgba(43, 47, 54, 0.72));
}

.reader-shell:fullscreen .reader-frame::before,
.reader-shell:-webkit-full-screen .reader-frame::before {
  left: 24%;
  right: 24%;
  bottom: clamp(78px, 12vh, 150px);
  height: clamp(72px, 10vh, 130px);
  filter: blur(34px);
}

.reader-shell:fullscreen .real-flipbook,
.reader-shell:fullscreen .real-flipbook.stf__parent,
.reader-shell:-webkit-full-screen .real-flipbook,
.reader-shell:-webkit-full-screen .real-flipbook.stf__parent {
  width: calc(100% * var(--reader-zoom, 1));
  max-width: min(78vw, calc(1240px * var(--reader-zoom, 1))) !important;
  min-height: min(70vh, 780px);
  filter: drop-shadow(0 36px 46px rgba(0, 0, 0, 0.42));
}

.reader-shell.is-wide-reader:fullscreen .real-flipbook,
.reader-shell.is-wide-reader:fullscreen .real-flipbook.stf__parent,
.reader-shell.is-wide-reader:-webkit-full-screen .real-flipbook,
.reader-shell.is-wide-reader:-webkit-full-screen .real-flipbook.stf__parent {
  max-width: min(76vw, calc(1360px * var(--reader-zoom, 1))) !important;
  min-height: min(68vh, 800px);
}

.reader-shell:fullscreen .reader-toolbar,
.reader-shell:-webkit-full-screen .reader-toolbar {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 5;
  gap: 12px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(35, 39, 46, 0.72);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24);
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.reader-shell:fullscreen .reader-btn,
.reader-shell:-webkit-full-screen .reader-btn {
  width: 38px;
  height: 38px;
  font-size: 26px;
}

.reader-shell:fullscreen .flipbook-count,
.reader-shell:-webkit-full-screen .flipbook-count {
  min-width: 76px;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}

.reader-shell:fullscreen .flipbook-controls,
.reader-shell:-webkit-full-screen .flipbook-controls {
  display: none;
}

.reader-shell .flip-dots {
  gap: 7px;
}

.reader-shell .flip-dot {
  background: rgba(255, 255, 255, 0.34);
}

.reader-shell .flip-dot.is-active {
  background: #67a3ff;
}

@media (max-width: 920px) {
  .info-panel {
    grid-template-columns: 1fr;
  }

  .reader-shell.flipbook-shell {
    width: min(100%, 580px);
  }

  .reader-shell.flipbook-shell.is-wide-reader {
    width: min(100%, 820px);
  }
}

@media (max-width: 640px) {
  .reader-shell.flipbook-shell {
    border-radius: 8px;
  }

  .reader-shell .flipbook-head {
    padding: 15px 14px 0;
  }

  .reader-head-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .reader-chip {
    min-height: 32px;
    padding: 5px 9px;
    font-size: 12px;
  }

  .reader-frame {
    min-height: 500px;
    padding: 18px 12px 14px;
  }

  .real-flipbook {
    min-height: 470px;
    max-width: calc(360px * var(--reader-zoom, 1)) !important;
  }

  .real-flipbook.stf__parent {
    max-width: calc(360px * var(--reader-zoom, 1)) !important;
  }

  .reader-shell.is-wide-reader .reader-frame {
    min-height: 360px;
  }

  .reader-shell.is-wide-reader .real-flipbook,
  .reader-shell.is-wide-reader .real-flipbook.stf__parent {
    max-width: calc((100vw - 32px) * var(--reader-zoom, 1)) !important;
    min-height: 260px;
  }

  .reader-benefits,
  .reader-tools {
    padding-left: 14px;
    padding-right: 14px;
  }

  .reader-tool-status {
    width: 100%;
  }

  .reader-toolbar {
    gap: 14px;
    padding: 11px 14px 13px;
  }

  .reader-btn {
    width: 38px;
    height: 38px;
    font-size: 26px;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #eceff4;
  color: var(--ink);
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

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

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

button,
input {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-shell {
  width: min(1180px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  background:
    radial-gradient(circle at 20% 0%, rgba(22, 104, 232, 0.08), transparent 34%),
    #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04), 0 24px 80px rgba(20, 31, 55, 0.14);
}

.portal-header {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 14px;
  min-height: 176px;
  padding: 34px 58px 20px;
}

.language-switch {
  position: absolute;
  top: 24px;
  right: 58px;
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(137, 161, 190, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 10px 24px rgba(20, 31, 55, 0.08);
}

.language-switch a {
  min-width: 58px;
  padding: 7px 12px;
  border-radius: 999px;
  color: #506071;
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.language-switch a.is-active,
.language-switch a:hover {
  color: #fff;
  background: var(--blue);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-self: center;
  gap: 26px;
}

.logo-link {
  width: 96px;
  height: 96px;
  display: block;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 16px 30px rgba(227, 31, 47, 0.23);
}

.logo-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.title-block {
  display: grid;
  justify-items: start;
  text-align: left;
}

.title-block h1 {
  margin: 0;
  color: #111827;
  font-family: "SimHei", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;
  font-size: clamp(50px, 5.75vw, 74px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: 0;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.92), 0 12px 24px rgba(17, 24, 39, 0.12);
}

.title-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  white-space: nowrap;
}

.title-block a {
  color: #6f7785;
  font-size: 19px;
  line-height: 1;
}

.top-slogan {
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid #d6dde8;
  color: #182130;
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
}

.search-hero {
  padding: 10px 58px 30px;
}

.search-form {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
}

.search-form label {
  color: #101828;
  font-size: 24px;
  font-weight: 800;
  white-space: nowrap;
}

.search-box {
  height: 68px;
  display: grid;
  grid-template-columns: 1fr 88px;
  border: 1px solid #9ec1ff;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 14px 36px rgba(22, 104, 232, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.search-box:focus-within {
  border-color: #5b95ff;
  box-shadow: 0 18px 42px rgba(22, 104, 232, 0.16), 0 0 0 4px rgba(22, 104, 232, 0.08);
}

.search-box input {
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 0 28px;
  font-size: clamp(18px, 2.35vw, 27px);
  font-weight: 500;
  color: var(--ink);
}

.search-box input::placeholder {
  color: #aeb7c6;
}

.search-box button {
  display: grid;
  place-items: center;
  margin: 6px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #2474f2, #0e5bd8);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(22, 104, 232, 0.24);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.search-box button:hover {
  background: linear-gradient(135deg, #1768e8, #0b4eb9);
  box-shadow: 0 10px 22px rgba(22, 104, 232, 0.3);
}

.search-box button:active {
  transform: translateY(1px);
}

.search-box svg {
  width: 40px;
  height: 40px;
  fill: currentColor;
}

.featured-samples {
  padding: 6px 58px 0;
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.sample-card-wrap {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  align-content: stretch;
  gap: 14px;
  min-height: 100%;
  padding: 18px 18px 20px;
  border: 1px solid rgba(137, 161, 190, 0.34);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.98)),
    #fff;
  box-shadow: 0 18px 42px rgba(28, 42, 66, 0.08);
  text-align: center;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.sample-card-wrap:hover {
  transform: translateY(-3px);
  border-color: rgba(70, 144, 255, 0.52);
  box-shadow: 0 24px 54px rgba(25, 44, 75, 0.13);
}

.sample-card {
  display: grid;
  align-content: start;
  gap: 13px;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.sample-card:hover {
  transform: none;
}

.sample-cover {
  position: relative;
  aspect-ratio: 0.74;
  width: min(206px, 100%);
  margin: 0 auto;
  padding: 18px 18px 20px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(10, 28, 64, 0.14);
  border-radius: 9px;
  background: linear-gradient(145deg, #edf4ff, #ffffff);
  box-shadow: 0 18px 34px rgba(19, 34, 58, 0.2);
}

.sample-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0) 62%, rgba(255, 255, 255, 0.68) 63%, rgba(255, 255, 255, 0.44) 72%, transparent 73%),
    linear-gradient(155deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0) 38%);
  pointer-events: none;
}

.sample-cover::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 68px;
  z-index: 0;
  height: 34%;
  border-radius: 14px;
  background:
    radial-gradient(circle at 76% 28%, rgba(255, 255, 255, 0.92) 0 13px, transparent 14px),
    linear-gradient(135deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.12)),
    linear-gradient(135deg, rgba(22, 104, 232, 0.45), rgba(5, 26, 64, 0.12));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.46),
    0 16px 24px rgba(12, 28, 58, 0.18);
}

.sample-cover.blue {
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 255, 255, 0.24), transparent 30%),
    linear-gradient(145deg, #074fbb, #137cf1 50%, #e8f3ff);
}

.sample-cover.green {
  background:
    radial-gradient(circle at 84% 14%, rgba(77, 142, 88, 0.18), transparent 32%),
    linear-gradient(145deg, #f7fff8, #a8d9b4 56%, #ffffff);
}

.sample-cover.navy {
  background:
    radial-gradient(circle at 84% 13%, rgba(104, 163, 255, 0.28), transparent 30%),
    linear-gradient(145deg, #164f9f, #061d4f 60%, #103f91);
}

.sample-cover.steel {
  background:
    radial-gradient(circle at 85% 13%, rgba(22, 104, 232, 0.16), transparent 31%),
    linear-gradient(145deg, #f8fbff, #8bc5f6 52%, #ffffff);
}

.sample-cover.is-real-cover {
  display: grid;
  place-items: center;
  aspect-ratio: 1.42;
  width: min(246px, 100%);
  padding: 9px;
  background: #f5f8fc;
}

.sample-cover.is-real-cover::before,
.sample-cover.is-real-cover::after {
  display: none;
}

.sample-cover.is-real-cover.is-wide {
  aspect-ratio: 1.42;
  width: min(246px, 100%);
  margin-top: 0;
  margin-bottom: 0;
}

.sample-cover-image {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 5px;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 8px 18px rgba(18, 32, 55, 0.12);
}

.cover-label {
  position: relative;
  z-index: 2;
  display: inline-flex;
  width: fit-content;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgba(5, 26, 64, 0.76);
  box-shadow: 0 8px 18px rgba(5, 26, 64, 0.16);
  font-size: 12px;
  font-weight: 900;
}

.cover-title {
  position: relative;
  z-index: 2;
  display: block;
  max-width: 94%;
  color: #0d2f70;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.14;
  text-align: left;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.76);
}

.sample-cover.navy .cover-title,
.sample-cover.blue .cover-title {
  color: #fff;
}

.cover-sub {
  position: relative;
  z-index: 2;
  display: block;
  margin-top: 11px;
  color: rgba(17, 61, 136, 0.7);
  font-size: 12px;
  font-weight: 800;
  text-align: left;
  text-transform: uppercase;
}

.sample-cover.navy .cover-sub,
.sample-cover.blue .cover-sub {
  color: rgba(255, 255, 255, 0.78);
}

.sample-art {
  position: absolute;
  left: 26px;
  right: 22px;
  bottom: 78px;
  z-index: 2;
  height: 76px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 74% 25%, rgba(255, 255, 255, 0.92) 0 11px, transparent 12px),
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.18)),
    linear-gradient(135deg, rgba(5, 26, 64, 0.18), rgba(22, 104, 232, 0.16));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.44),
    0 14px 24px rgba(18, 32, 55, 0.2);
}

.sample-art::before,
.sample-art::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
}

.sample-art::before {
  left: 16px;
  right: 52px;
  bottom: 16px;
  height: 28px;
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(22, 104, 232, 0.35) 0 18%, transparent 18% 26%, rgba(22, 104, 232, 0.42) 26% 48%, transparent 48% 58%, rgba(22, 104, 232, 0.5) 58% 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.16));
}

.sample-art::after {
  right: 16px;
  bottom: 17px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.9) 0 5px, transparent 6px),
    linear-gradient(135deg, rgba(22, 104, 232, 0.55), rgba(6, 31, 74, 0.1));
}

.cover-year {
  position: absolute;
  left: 18px;
  bottom: 20px;
  z-index: 2;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.sample-card h3 {
  margin: 0;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0b1424;
  font-size: 18px;
  line-height: 1.28;
  text-wrap: balance;
}

.sample-meta {
  min-height: 20px;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #748196;
  font-size: 13px;
  line-height: 1.35;
}

.sample-meta::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 2px solid #aab6c6;
  border-radius: 50%;
  background: #fff;
}

.sample-card-actions {
  display: grid;
  gap: 9px;
  align-self: end;
}

.sample-open {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #2474f2, #0e5bd8);
  box-shadow: 0 10px 22px rgba(22, 104, 232, 0.2);
  font-size: 15px;
  font-weight: 900;
}

.sample-open:hover {
  color: #fff;
  background: linear-gradient(135deg, #1768e8, #0b4eb9);
}

.sample-secondary-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.sample-secondary-actions .sample-share,
.sample-secondary-actions .sample-download {
  width: 100%;
  min-width: 0;
  min-height: 36px;
  padding: 0 8px;
  border-radius: 9px;
  font-size: 13px;
}

.sample-secondary-actions .share-status {
  grid-column: 1 / -1;
  min-width: 0;
  min-height: 16px;
  margin-top: -3px;
  font-size: 12px;
}

.more-link {
  display: inline-block;
  margin-top: 24px;
  color: var(--blue);
  font-size: 22px;
  font-weight: 900;
}

.more-link:hover {
  color: var(--blue-dark);
}

.more-link.center {
  display: block;
  width: fit-content;
  margin: 28px auto 0;
}

.article-picks,
.scenarios-section,
.company-section,
.link-strip {
  margin: 22px 58px 0;
  padding-top: 28px;
  border-top: 1px dashed #cfd6e1;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 64px;
}

.article-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  border-bottom: 1px solid #e5e9f0;
}

.article-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  min-width: 0;
  color: #303641;
  font-size: 19px;
  font-weight: 800;
}

.article-index {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 2px solid #4690ff;
  border-radius: 50%;
  color: var(--blue);
  font-weight: 900;
}

.article-item:hover {
  color: var(--blue);
}

.article-share,
.sample-share,
.sample-download {
  min-width: 58px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid #8ab9ff;
  border-radius: 6px;
  color: var(--blue);
  background: #fff;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
}

.article-share:hover,
.sample-share:hover,
.sample-download:hover {
  color: #fff;
  background: var(--blue);
}

.sample-download {
  border-color: rgba(22, 104, 232, 0.2);
  color: #fff;
  background: var(--blue);
}

.sample-download:hover {
  background: var(--blue-dark);
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
}

.share-status {
  min-width: 72px;
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
}

.scenarios-section h2 {
  margin: 0 0 18px;
  font-size: 24px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.scenario-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(24, 40, 70, 0.06);
  text-align: center;
}

.scenario-image {
  aspect-ratio: 1.65;
  border-radius: 6px;
  overflow: hidden;
  background: var(--blue-soft);
}

.scenario-art {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 18px;
}

.scenario-art.expo {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0.05)),
    linear-gradient(135deg, #e8f2ff, #2a83f3);
}

.scenario-art.ai {
  background:
    radial-gradient(circle at 30% 38%, rgba(22, 104, 232, 0.22), transparent 24%),
    linear-gradient(135deg, #f4f9ff, #dbeaff);
}

.scenario-art.leads {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.5), transparent),
    linear-gradient(135deg, #e8f2ff, #f7fbff 45%, #d8e7ff);
}

.art-inner {
  width: 86%;
  height: 74%;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.22)),
    repeating-linear-gradient(0deg, rgba(22, 104, 232, 0.38) 0 10px, transparent 10px 18px);
  box-shadow: 0 12px 24px rgba(16, 56, 120, 0.18);
}

.scenario-card h3 {
  margin: 0;
  font-size: 22px;
}

.scenario-card p {
  margin: 0;
  min-height: 72px;
  color: #5d6675;
  line-height: 1.7;
}

.detail-btn {
  width: fit-content;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  padding: 0 24px;
  border: 2px solid #62a1ff;
  border-radius: 6px;
  color: var(--blue);
  font-weight: 900;
}

.detail-btn:hover {
  color: #fff;
  background: var(--blue);
}

.company-section {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
}

.company-copy,
.tag-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-weight: 900;
}

.company-copy h2 {
  margin: 0 0 14px;
  font-size: 28px;
}

.company-copy p {
  margin: 0 0 10px;
  color: #4e5766;
  line-height: 1.82;
}

.tag-panel strong {
  display: block;
  margin-bottom: 16px;
  font-size: 20px;
}

#industryTags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

#industryTags span {
  padding: 8px 10px;
  border-radius: 999px;
  color: #25507e;
  background: #eef5ff;
  font-weight: 800;
}

.link-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-bottom: 32px;
}

.qr-card,
.quick-card {
  min-height: 148px;
  display: grid;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-card {
  grid-template-columns: 132px 1fr;
  gap: 18px;
  padding: 18px;
}

.qr-card img {
  width: 118px;
  height: 118px;
  object-fit: contain;
}

.qr-card h2,
.quick-card h2 {
  margin: 0 0 6px;
  font-size: 26px;
}

.qr-card p,
.quick-card p {
  margin: 0 0 10px;
  color: var(--muted);
}

.qr-card a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 13px;
  border: 1px solid #62a1ff;
  border-radius: 6px;
  color: var(--blue);
  font-weight: 900;
}

.quick-card {
  grid-template-columns: 76px 1fr 24px;
  gap: 12px;
  padding: 22px;
}

.round-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 30px;
  font-weight: 900;
}

.quick-card strong {
  color: var(--blue);
  font-size: 42px;
  line-height: 1;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  padding: 34px 58px 42px;
  border-top: 1px solid #e4e9f0;
  background: #f7f9fc;
}

.record-info p {
  margin: 0 0 8px;
  font-size: 20px;
}

.record-info a:hover {
  color: var(--blue);
}

.record-info small {
  display: block;
  max-width: 720px;
  margin-top: 22px;
  color: #666f7e;
  font-size: 14px;
  line-height: 1.8;
}

.phone-link {
  display: inline-flex;
  align-items: flex-start;
  gap: 14px;
  padding-top: 22px;
  color: #111;
}

.phone-link span {
  font-size: 34px;
}

.phone-link strong {
  font-size: 32px;
  letter-spacing: 0;
}

.subpage-header {
  padding: 34px 58px 26px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.breadcrumb {
  color: var(--blue);
  font-weight: 900;
}

.subpage-title {
  margin: 18px 0 0;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.16;
}

.subpage-lead {
  max-width: 820px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.content-wrap {
  padding: 36px 58px 48px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.filter-pill {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #2d3950;
  background: #fff;
  font-weight: 900;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(340px, 420px) 1fr;
  gap: 32px;
  align-items: start;
}

.flipbook-shell {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid #dce5f2;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 249, 255, 0.98)),
    radial-gradient(circle at 20% 0%, rgba(22, 104, 232, 0.12), transparent 36%);
  box-shadow: 0 18px 42px rgba(18, 32, 55, 0.12);
}

.flipbook-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.flipbook-head h2 {
  margin: 2px 0 0;
  font-size: 22px;
  line-height: 1.28;
}

.flipbook-count {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid #cfe0ff;
  border-radius: 999px;
  color: var(--blue);
  background: #eef5ff;
  font-size: 13px;
  font-weight: 900;
}

.flip-page-inner {
  position: relative;
  height: 100%;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 14px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(18, 32, 55, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 255, 0.98)),
    repeating-linear-gradient(180deg, transparent 0 34px, rgba(22, 104, 232, 0.04) 34px 35px);
  box-shadow: inset 10px 0 18px rgba(18, 32, 55, 0.06);
}

.flip-page-inner::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  background: linear-gradient(135deg, transparent 49%, rgba(18, 32, 55, 0.1) 50%, rgba(255, 255, 255, 0.86) 51%);
}

.flip-page-inner::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: linear-gradient(180deg, rgba(18, 32, 55, 0.22), rgba(18, 32, 55, 0.05));
}

.flip-page-inner.tone-blue,
.flip-page-inner.tone-navy {
  color: #fff;
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.22), transparent 28%),
    linear-gradient(145deg, #0a5ed2, #083d96 56%, #072a62);
}

.flip-page-inner.tone-green {
  background:
    radial-gradient(circle at 72% 20%, rgba(69, 140, 85, 0.14), transparent 30%),
    linear-gradient(145deg, #f7fff8, #dcefe2 58%, #ffffff);
}

.flip-page-inner.tone-steel {
  background:
    radial-gradient(circle at 75% 18%, rgba(22, 104, 232, 0.16), transparent 30%),
    linear-gradient(145deg, #f8fbff, #c8ddf6 58%, #ffffff);
}

.flip-kicker {
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(22, 104, 232, 0.1);
  font-size: 13px;
  font-weight: 900;
}

.tone-blue .flip-kicker,
.tone-navy .flip-kicker {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
}

.flip-page-inner h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.22;
}

.flip-page-inner p {
  margin: 0;
  color: #4e5766;
  line-height: 1.76;
}

.tone-blue p,
.tone-navy p {
  color: rgba(255, 255, 255, 0.82);
}

.flip-page-inner ul {
  display: grid;
  align-content: start;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flip-page-inner li {
  position: relative;
  padding-left: 18px;
  color: #273244;
  font-weight: 800;
  line-height: 1.45;
}

.tone-blue li,
.tone-navy li {
  color: #fff;
}

.page-topic {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  margin: -3px 0 -3px -6px;
  padding: 3px 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: inherit;
  background: transparent;
  font: inherit;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
}

.page-topic:hover {
  border-color: rgba(22, 104, 232, 0.28);
  color: var(--blue);
  background: rgba(22, 104, 232, 0.08);
}

.tone-blue .page-topic:hover,
.tone-navy .page-topic:hover {
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.flip-page-inner li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.tone-blue li::before,
.tone-navy li::before {
  background: #fff;
}

.flip-page-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid rgba(18, 32, 55, 0.12);
  font-size: 13px;
}

.tone-blue .flip-page-foot,
.tone-navy .flip-page-foot {
  border-top-color: rgba(255, 255, 255, 0.24);
}

.flip-page-foot strong {
  color: var(--blue);
}

.tone-blue .flip-page-foot strong,
.tone-navy .flip-page-foot strong {
  color: #fff;
}

.flipbook-controls {
  display: grid;
  gap: 9px;
  justify-items: center;
}

.flipbook-controls p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.flip-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.flip-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #b9c6d9;
  cursor: pointer;
}

.flip-dot.is-active {
  width: 24px;
  border-radius: 999px;
  background: var(--blue);
}

.reader-mock {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.reader-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 18px;
}

.reader-pages span {
  min-height: 76px;
  border-radius: 4px;
  background: linear-gradient(145deg, #f5f8ff, #d9e8ff);
}

.info-panel {
  display: grid;
  gap: 18px;
}

.info-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.info-card h2 {
  margin: 0 0 12px;
  font-size: 26px;
}

.info-card p,
.info-card li {
  color: #4e5766;
  line-height: 1.8;
}

@keyframes readerNextShadow {
  0% {
    opacity: 0;
    transform: translateX(18px) scaleX(0.72);
  }
  28% {
    opacity: 0.78;
  }
  58% {
    opacity: 0.92;
    transform: translateX(-22px) scaleX(1.08);
  }
  100% {
    opacity: 0;
    transform: translateX(-58px) scaleX(0.54);
  }
}

@keyframes readerPrevShadow {
  0% {
    opacity: 0;
    transform: translateX(-18px) scaleX(0.72);
  }
  28% {
    opacity: 0.7;
  }
  58% {
    opacity: 0.86;
    transform: translateX(22px) scaleX(1.08);
  }
  100% {
    opacity: 0;
    transform: translateX(58px) scaleX(0.54);
  }
}

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

.admin-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.admin-card h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.admin-card p {
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 920px) {
  .portal-header {
    grid-template-columns: 1fr;
    padding: 28px 24px 16px;
  }

  .language-switch {
    top: 18px;
    right: 24px;
  }

  .title-meta {
    gap: 12px;
  }

  .top-slogan {
    font-size: 16px;
  }

  .search-hero,
  .featured-samples,
  .subpage-header,
  .content-wrap {
    padding-left: 24px;
    padding-right: 24px;
  }

  .article-picks,
  .scenarios-section,
  .company-section,
  .link-strip {
    margin-left: 24px;
    margin-right: 24px;
  }

  .sample-grid,
  .scenario-grid,
  .company-section,
  .link-strip,
  .detail-layout,
  .admin-grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding-left: 24px;
    padding-right: 24px;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 640px) {
  .page-shell {
    width: 100%;
  }

  .portal-header {
    grid-template-columns: 1fr;
    justify-items: center;
    min-height: 0;
    padding-top: 58px;
    text-align: center;
  }

  .language-switch {
    top: 14px;
    right: 50%;
    transform: translateX(50%);
  }

  .language-switch a {
    min-width: 50px;
    padding: 6px 9px;
    font-size: 12px;
  }

  .logo-link {
    width: 68px;
    height: 68px;
  }

  .brand-row {
    gap: 12px;
  }

  .title-block h1 {
    font-size: 36px;
  }

  .title-block a {
    font-size: 11.5px;
  }

  .title-meta {
    gap: 6px;
    margin-top: 8px;
  }

  .top-slogan {
    padding-left: 8px;
    font-size: 11.5px;
  }

  .search-form {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px;
  }

  .search-form label {
    font-size: 17px;
    white-space: nowrap;
  }

  .search-box {
    height: 54px;
    grid-template-columns: 1fr 52px;
    border-radius: 14px;
  }

  .search-box input {
    padding: 0 10px;
    font-size: 13px;
  }

  .search-box button {
    margin: 4px;
    border-radius: 10px;
  }

  .search-box svg {
    width: 28px;
    height: 28px;
  }

  .sample-grid,
  .article-list,
  .scenario-grid,
  .company-section,
  .link-strip,
  .detail-layout,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .flipbook-shell {
    padding: 14px;
  }

  .flipbook-head {
    align-items: center;
  }

  .flipbook-head h2 {
    font-size: 18px;
  }

  .flip-page-inner {
    padding: 22px 20px;
  }

  .flip-page-inner h2 {
    font-size: 22px;
  }

  .flip-page-inner p,
  .flip-page-inner li {
    font-size: 14px;
  }

  .article-list {
    column-gap: 0;
  }

  .article-row {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 10px 0;
  }

  .article-share {
    width: fit-content;
    margin-left: 38px;
  }

  .qr-card {
    grid-template-columns: 96px 1fr;
  }

  .qr-card img {
    width: 90px;
    height: 90px;
  }

  .phone-link strong {
    font-size: 26px;
  }
}

.detail-layout {
  grid-template-columns: 1fr;
  max-width: 980px;
  margin: 0 auto;
}

.detail-layout > .reader-shell {
  justify-self: center;
}

.info-panel {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 920px) {
  .info-panel {
    grid-template-columns: 1fr;
  }
}