:root {
  --bg-header: #202c36;
  --bg-hero-top: #050607;
  --bg-hero-bottom: #1d2b35;
  --bg-news: #1a252f;
  --bg-banner: #253540;
  --bg-footer: #141c23;
  --bg-page: #22313c;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.78);
  --line-soft: rgba(255, 255, 255, 0.18);
  --line-strong: rgba(255, 255, 255, 0.72);
  --accent-gold: #e8cd68;
  --accent-blue: #2456ff;
  --container-width: 1500px;
  --shadow-soft: 0 28px 90px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 18px 44px rgba(9, 16, 24, 0.18);
  --radius-panel: 26px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text-primary);
  background: #0f151b;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

button,
input {
  font: inherit;
}

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

.container {
  width: min(var(--container-width), calc(100% - 160px));
  margin: 0 auto;
}

.site-header {
  background: linear-gradient(180deg, #23313b 0%, #22303a 100%);
  position: relative;
  z-index: 20;
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.04);
}

.header-inner {
  min-height: 104px;
  display: flex;
  align-items: center;
  gap: 42px;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  text-decoration: none;
}

.brand img {
  height: 56px;
  width: auto;
  flex: 0 0 auto;
}

.brand__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}

.brand__title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.brand__subtitle {
  margin-top: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.74);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 58px;
  margin-left: auto;
  margin-right: auto;
}

.nav-link {
  position: relative;
  padding: 18px 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.14);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-link:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.nav-link.is-current::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 84px;
  height: 12px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(232, 205, 104, 0.92) 0%, rgba(232, 205, 104, 0.58) 38%, rgba(232, 205, 104, 0) 76%);
}

.header-search {
  width: 214px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px 0 26px;
  border: 2px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: rgba(255, 255, 255, 0.42);
  font-size: 18px;
  line-height: 1;
  backdrop-filter: blur(10px);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.header-search:hover {
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.05);
}

.header-search svg {
  width: 22px;
  height: 22px;
  stroke: rgba(255, 255, 255, 0.52);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: #ffffff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero-section {
  background: linear-gradient(180deg, var(--bg-hero-top) 0%, #11171f 16%, #16232d 62%, var(--bg-hero-bottom) 100%);
  padding-bottom: 72px;
  overflow: hidden;
  position: relative;
}

.hero-section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 240px;
  background: linear-gradient(180deg, rgba(19, 28, 36, 0) 0%, rgba(18, 27, 35, 0.78) 100%);
  pointer-events: none;
}

.hero-stage {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  aspect-ratio: 15 / 11;
}

.hero-stage__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: saturate(1.04) contrast(1.02);
}

.hero-slogan {
  position: absolute;
  top: 78px;
  right: 54px;
  font-family: "STKaiti", "KaiTi", "BiauKai", serif;
  font-size: clamp(40px, 3.35vw, 66px);
  font-weight: 700;
  line-height: 0.96;
  text-shadow: 0 10px 36px rgba(0, 0, 0, 0.42);
  letter-spacing: 0.04em;
}

.hero-slogan span {
  display: block;
}

.hero-slogan span + span {
  margin-top: 12px;
  margin-left: 56px;
}

.hero-cards {
  width: min(1360px, calc(100% - 210px));
  margin: -624px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 88px;
  position: relative;
  z-index: 2;
}

.book-card {
  position: relative;
  min-height: 342px;
  padding: 10px 12px 14px;
  border: 1.5px solid var(--line-strong);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.12) 100%);
  box-shadow: 0 24px 82px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.book-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
}

.book-card::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  pointer-events: none;
}

.book-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.25);
}

.book-card > * {
  position: relative;
  z-index: 1;
}

.book-card__art {
  position: absolute;
  left: 50%;
  top: 50%;
  width: auto;
  height: auto;
  margin: 0;
  filter: drop-shadow(0 24px 36px rgba(0, 0, 0, 0.24));
}

.book-card__media {
  position: relative;
  width: 100%;
  height: 206px;
  margin: 0 auto;
  overflow: visible;
}

.book-card__art--education {
  width: 316px;
  transform: translate(-52%, -58%);
}

.book-card__art--picture {
  width: 318px;
  transform: translate(-49.5%, -60%);
}

.book-card__art--social {
  width: 312px;
  transform: translate(-48.5%, -58%);
}

.book-card__title {
  margin: 0;
  text-align: center;
  font-size: 16px;
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: 0;
  text-shadow: 0 4px 14px rgba(0, 0, 0, 0.26);
  transform: translateY(1px);
}

.news-section {
  background: var(--bg-news);
  padding: 44px 0 64px;
}

.news-section .container {
  width: min(1240px, calc(100% - 260px));
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

.section-heading h2,
.contact-banner h2 {
  margin: 0;
  font-size: clamp(30px, 2.7vw, 50px);
  line-height: 1.08;
  font-weight: 700;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.96);
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

.more-link svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.news-screen {
  position: relative;
  aspect-ratio: 603 / 367;
  background: #ffffff;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.14);
}

.news-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  background: #ffffff;
  transition: opacity 0.35s ease;
}

.news-slide.is-active {
  opacity: 1;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}

.carousel-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.56);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.carousel-dot.is-active {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(36, 86, 255, 0.12);
}

.news-copy {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding-top: 4px;
}

.news-copy p {
  margin: 0;
  max-width: none;
  font-size: clamp(15px, 1.05vw, 20px);
  line-height: 1.75;
  font-weight: 700;
}

.detail-button {
  margin-top: auto;
  align-self: flex-end;
  min-width: 96px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 2px solid var(--accent-blue);
  border-radius: 8px;
  color: var(--accent-blue);
  font-size: 15px;
  line-height: 1;
}

.contact-banner {
  background: var(--bg-banner);
  padding: 30px 0 22px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.site-footer {
  background: var(--bg-footer);
  padding: 54px 0 60px;
}

.inner-page .site-header {
  background: linear-gradient(180deg, #263440 0%, #22303a 100%);
}

.page-main {
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 30%),
    var(--bg-page);
  padding-bottom: 0;
}

.page-main--cooperation .container {
  width: min(1572px, calc(100% - 170px));
}

.page-main--cooperation .page-hero {
  padding: 22px 0 22px;
}

.page-main--cooperation .page-hero .container {
  position: relative;
  transform: translate(14px, 9px);
}

.page-main--cooperation .page-hero h1 {
  font-size: clamp(39px, 3.02vw, 57px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-main--cooperation .page-hero p {
  margin-top: 5px;
  font-size: clamp(20px, 1.54vw, 28px);
  letter-spacing: 0;
}

.page-hero {
  padding: 26px 0 12px;
  text-align: center;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(34px, 3vw, 58px);
  line-height: 1.08;
  font-weight: 700;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
}

.page-hero p,
.page-title-cluster p {
  margin: 6px 0 0;
  font-size: clamp(22px, 1.8vw, 34px);
  line-height: 1.1;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.02em;
}

.page-section {
  padding: 28px 0 0;
}

.page-section--dense {
  padding-top: 18px;
}

.page-section--about-intro {
  padding-top: 14px;
}

.page-section--warehouse {
  padding-top: 22px;
}

.page-section--products {
  padding-top: 14px;
}

.section-heading--compact {
  margin-bottom: 22px;
}

.about-intro-panel,
.product-panel,
.warehouse-panel,
.awards-panel {
  background: #ffffff;
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.about-intro-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(420px, 0.9fr);
  gap: 34px;
  padding: 28px 30px 30px;
}

.about-intro-copy h2 {
  margin: 0 0 18px;
  color: #232a31;
  font-size: 29px;
  line-height: 1.2;
}

.about-intro-copy p {
  margin: 0 0 14px;
  color: #4f5961;
  font-size: 15px;
  line-height: 1.85;
}

.about-intro-media {
  display: flex;
  align-items: center;
}

.about-intro-media img {
  width: 100%;
  border-radius: 20px;
}

.about-story-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.about-story-card {
  padding: 0 0 10px;
  min-width: 0;
}

.story-image-wrap {
  aspect-ratio: 1.36 / 1;
  overflow: hidden;
  border-radius: 18px;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.story-image-wrap img,
.warehouse-gallery__item img,
.product-screen img,
.coop-strip img,
.awards-visual img,
.coop-book-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-story-card h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.42;
  font-weight: 700;
}

.about-story-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  line-height: 1.9;
}

.about-story-card__eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin: 0 0 12px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.warehouse-panel {
  padding: 22px 22px 26px;
}

.warehouse-panel p {
  margin: 0 0 22px;
  color: #4b5761;
  font-size: 15px;
  line-height: 1.8;
  text-align: center;
}

.warehouse-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.warehouse-gallery__item {
  aspect-ratio: 1.4 / 1;
  overflow: hidden;
  border-radius: 6px;
  background: #eef1f4;
}

.product-panel {
  padding: 18px 18px 22px;
}

.product-tabs {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 10px 18px;
  border-bottom: 2px solid #dedede;
  overflow-x: auto;
  scrollbar-width: none;
}

.product-tabs::-webkit-scrollbar {
  display: none;
}

.product-tab {
  position: relative;
  flex: 0 0 auto;
  padding: 0 6px 10px;
  border: 0;
  background: transparent;
  color: #6d6d6d;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
}

.product-tab + .product-tab::before {
  content: "|";
  position: absolute;
  left: -12px;
  color: #bbbbbb;
}

.product-tab.is-active {
  color: #2f5fff;
}

.product-tab.is-active::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: -19px;
  height: 4px;
  background: #2f5fff;
  border-radius: 999px;
}

.product-screen {
  margin-top: 22px;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
}

.product-screen img {
  aspect-ratio: 1503 / 832;
  object-fit: contain;
  display: block;
}

.product-pager {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding-top: 18px;
}

.product-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: #c7c7c7;
  cursor: pointer;
}

.product-dot.is-active {
  width: 34px;
  border-radius: 999px;
  background: #2f5fff;
}

.coop-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
}

.page-main--cooperation .page-section {
  padding-top: 22px;
}

.page-main--cooperation .page-section--publishers {
  padding-top: 18px;
}

.page-main--cooperation .page-section--kip {
  padding-top: 22px;
}

.page-main--cooperation .page-section--coop-books {
  padding-top: 44px;
}

.page-main--cooperation .page-section--channel {
  padding-top: 58px;
}

.page-main--cooperation .page-section--awards {
  padding: 0;
  background: #f6f2ee;
}

.page-main--cooperation .coop-heading {
  margin-bottom: 14px;
}

.coop-heading h2,
.page-title-cluster h2 {
  margin: 0;
  font-size: clamp(28px, 2.35vw, 44px);
  line-height: 1.15;
  font-weight: 700;
}

.page-main--cooperation .coop-heading h2 {
  font-size: clamp(29px, 2.08vw, 38px);
}

.page-main--cooperation .coop-heading .more-link {
  font-size: 15px;
  gap: 8px;
}

.page-main--cooperation .coop-heading .more-link svg {
  width: 18px;
  height: 18px;
}

.coop-strip {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-main--cooperation .coop-strip {
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(7, 14, 22, 0.14);
}

.page-main--cooperation .coop-strip img,
.page-main--cooperation .awards-panel--showcase img {
  height: auto;
  object-fit: contain;
}

.coop-strip img {
  display: block;
}

.coop-strip--dark {
  border-radius: 0;
}

.page-main--cooperation .coop-strip--dark {
  border-radius: 0;
  box-shadow: none;
}

.page-main--cooperation .page-section--publishers .coop-strip {
  max-width: 1521px;
  margin: 0 auto 36px;
  transform: translateX(-33px);
}

.page-main--cooperation .page-section--coop-books .coop-strip {
  max-width: 1560px;
  margin: 0 auto;
  transform: translate(12px, 35px);
}

.page-main--cooperation .page-section--kip .coop-heading {
  margin-bottom: 10px;
}

.page-main--cooperation .page-section--coop-books .coop-heading {
  margin-bottom: 18px;
}

.page-main--cooperation .kip-showcase {
  width: min(1572px, calc(100% - 6px));
  margin: 0 auto 42px;
  padding: 40px 18px 2px;
  transform: translate(9px, 5px);
}

.page-main--cooperation .kip-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.page-main--cooperation .kip-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-main--cooperation .kip-avatar {
  width: 144px;
  height: 144px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 14px;
}

.page-main--cooperation .kip-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-main--cooperation .kip-card h3 {
  margin: 0;
  color: rgba(255, 255, 255, 0.95);
  font-size: 18px;
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-main--cooperation .kip-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.page-main--cooperation .kip-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
}

.page-main--cooperation .kip-dots .is-active {
  width: 26px;
  border-radius: 999px;
  background: #355cff;
}

.page-main--cooperation .page-section--channel .page-title-cluster {
  margin-bottom: 8px;
}

.page-main--cooperation .page-section--channel .page-title-cluster h2 {
  font-size: clamp(26px, 2.02vw, 36px);
  line-height: 1.05;
}

.page-main--cooperation .page-section--channel .page-title-cluster p {
  margin-top: 2px;
  font-size: clamp(17px, 1.28vw, 22px);
}

.page-main--cooperation .coop-strip--channel {
  margin-top: 0;
}

.coop-books-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.coop-book-card {
  position: relative;
  display: block;
  padding: 14px 16px 12px;
  border-radius: 20px;
  background: #fdfdfd;
  box-shadow: 0 10px 28px rgba(9, 16, 24, 0.15);
  overflow: hidden;
}

.coop-book-card img {
  aspect-ratio: 1.36 / 1;
  object-fit: contain;
}

.coop-book-card__tag {
  position: absolute;
  left: 0;
  top: 0;
  padding: 8px 22px 8px 18px;
  background: linear-gradient(135deg, #3574ff 0%, #2952d8 100%);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  border-radius: 0 0 18px 0;
}

.page-section--channel {
  padding-top: 24px;
}

.page-title-cluster {
  margin-bottom: 22px;
  text-align: center;
}

.page-section--awards {
  padding: 28px 0 0;
}

.page-main--cooperation .coop-strip--channel {
  max-width: 1572px;
  margin: 0 auto;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.page-main--cooperation .coop-strip--channel img {
  transform: translate(-42px, 21px);
}

.page-main--cooperation .page-section--awards .container {
  width: 100%;
  max-width: none;
}

.awards-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 0.98fr);
  gap: 34px;
  padding: 26px 28px;
  align-items: center;
}

.awards-copy {
  color: #27313a;
  font-size: 15px;
  line-height: 2;
}

.awards-copy p {
  margin: 0 0 12px;
}

.awards-visual {
  overflow: hidden;
  border-radius: 18px;
}

.awards-panel--showcase {
  display: block;
  padding: 0;
  overflow: hidden;
}

.awards-panel--showcase img {
  width: 100%;
  display: block;
}

.page-main--cooperation .awards-panel--showcase {
  width: min(1572px, calc(100% - 160px));
  max-width: 1572px;
  margin: 0 auto;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.page-main--cooperation .awards-panel--showcase img {
  transform: translate(-42px, 4px);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.98fr);
  gap: 110px;
  align-items: start;
}

.contact-company {
  margin: 0 0 28px;
  font-size: 24px;
  line-height: 1.35;
  font-weight: 700;
}

.contact-row {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-primary);
}

.contact-row strong {
  font-weight: 700;
}

.contact-record {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.74);
}

.contact-record__link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.contact-record__link:hover {
  color: rgba(255, 255, 255, 0.96);
  border-color: rgba(255, 255, 255, 0.55);
}

.friend-links-wrap {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 2px solid rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 34px;
  flex-wrap: wrap;
}

.friend-links__label {
  font-size: 15px;
  font-weight: 700;
}

.friend-links {
  display: flex;
  align-items: center;
  gap: 34px;
  flex-wrap: wrap;
}

.friend-links a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
}

.footer-copy {
  margin: 0 auto 34px;
  max-width: 780px;
  font-size: 15px;
  line-height: 1.72;
  text-align: center;
}

.qr-area {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 34px;
}

.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  font-size: 15px;
  font-weight: 700;
}

.qr-placeholder {
  width: 104px;
  aspect-ratio: 1;
  background: #ffffff;
}

.service-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.service-widget__badge {
  background: #ffffff;
  color: var(--accent-blue);
  padding: 10px 8px;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 700;
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 2px;
}

.service-widget__arrow {
  width: 34px;
  height: 34px;
  background: #ffffff;
  position: relative;
}

.service-widget__arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 42%;
  width: 12px;
  height: 12px;
  border-right: 2px solid #6e7882;
  border-bottom: 2px solid #6e7882;
  transform: translate(-50%, -50%) rotate(45deg);
}

@media (max-width: 1366px) {
  .container {
    width: min(var(--container-width), calc(100% - 96px));
  }

  .header-inner {
    gap: 30px;
  }

  .main-nav {
    gap: 40px;
  }

  .nav-link {
    font-size: 17px;
  }

  .header-search {
    width: 172px;
    font-size: 16px;
  }

  .hero-cards {
    width: min(1220px, calc(100% - 84px));
    gap: 52px;
    margin-top: -452px;
  }

  .book-card {
    min-height: 316px;
    padding-top: 14px;
    padding-bottom: 14px;
    gap: 14px;
  }

  .book-card__media {
    height: 184px;
  }

  .book-card__art--education {
    width: 274px;
  }

  .book-card__art--picture {
    width: 278px;
  }

  .book-card__art--social {
    width: 272px;
  }

  .news-layout {
    grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  }

  .news-section .container {
    width: min(1120px, calc(100% - 140px));
  }

  .footer-grid {
    gap: 72px;
  }

  .about-intro-panel {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.9fr);
  }
}

@media (max-width: 980px) {
  .container {
    width: calc(100% - 56px);
  }

  .header-inner {
    min-height: 86px;
    padding: 16px 0;
    gap: 18px;
    flex-wrap: wrap;
  }

  .brand img {
    height: 46px;
  }

  .brand {
    gap: 10px;
  }

  .brand__title {
    font-size: 17px;
  }

  .brand__subtitle {
    font-size: 10px;
    letter-spacing: 0.16em;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 10;
    margin: 0;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 14px 0;
    font-size: 18px;
  }

  .nav-link.is-current::after {
    left: 24px;
    width: 54px;
    transform: none;
  }

  .header-search {
    margin-left: auto;
    width: 154px;
    height: 40px;
    padding-left: 16px;
    font-size: 15px;
  }

  .hero-stage {
    width: 100%;
  }

  .hero-slogan {
    top: 44px;
    right: 32px;
    font-size: clamp(36px, 6vw, 56px);
  }

  .hero-slogan span + span {
    margin-top: 10px;
    margin-left: 44px;
  }

  .hero-cards {
    width: calc(100% - 56px);
    grid-template-columns: 1fr;
    margin-top: -118px;
  }

  .book-card {
    min-height: 336px;
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
  }

  .news-section {
    padding-top: 42px;
  }

  .section-heading {
    align-items: center;
    margin-bottom: 28px;
  }

  .news-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .news-copy {
    padding-top: 0;
  }

  .detail-button {
    align-self: flex-start;
    margin-top: 2px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .page-hero {
    padding-top: 18px;
  }

  .about-intro-panel,
  .awards-panel {
    grid-template-columns: 1fr;
  }

  .about-story-grid,
  .warehouse-gallery {
    grid-template-columns: 1fr;
  }

  .about-story-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .story-image-wrap {
    aspect-ratio: 16 / 9;
  }

  .warehouse-gallery__item {
    aspect-ratio: 16 / 10;
  }

  .product-panel {
    padding: 18px 18px 22px;
  }

  .product-tab {
    font-size: 18px;
  }

  .coop-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-copy {
    margin-left: 0;
    margin-right: 0;
    max-width: none;
    text-align: left;
  }

  .qr-area {
    justify-content: flex-start;
  }

  .page-main--cooperation .page-hero .container {
    transform: none;
  }

  .page-main--cooperation .page-section--publishers .coop-strip,
  .page-main--cooperation .page-section--coop-books .coop-strip,
  .page-main--cooperation .coop-strip--channel img,
  .page-main--cooperation .awards-panel--showcase img {
    transform: none;
  }

  .page-main--cooperation .page-section--coop-books,
  .page-main--cooperation .page-section--channel {
    padding-top: 28px;
  }

  .page-main--cooperation .page-section--kip .coop-heading {
    margin-bottom: 14px;
  }

  .page-main--cooperation .kip-showcase {
    width: 100%;
    margin-bottom: 28px;
    padding: 0;
    transform: none;
  }

  .page-main--cooperation .kip-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px 18px;
  }

  .page-main--cooperation .kip-avatar {
    width: 112px;
    height: 112px;
    margin-bottom: 10px;
  }

  .page-main--cooperation .kip-card h3 {
    font-size: 16px;
  }

  .page-main--cooperation .kip-dots {
    margin-top: 12px;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 32px);
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .header-inner {
    min-height: 72px;
  }

  .brand img {
    height: 34px;
  }

  .brand {
    gap: 8px;
  }

  .brand__title {
    font-size: 14px;
  }

  .brand__subtitle {
    margin-top: 3px;
    font-size: 9px;
    letter-spacing: 0.12em;
  }

  .header-search {
    display: none;
  }

  .hero-section {
    padding-bottom: 52px;
  }

  .hero-stage {
    aspect-ratio: 15 / 12;
  }

  .hero-slogan {
    top: 30px;
    right: 18px;
    font-size: clamp(28px, 9vw, 44px);
  }

  .hero-cards {
    width: calc(100% - 28px);
    margin-top: -72px;
    gap: 20px;
  }

  .book-card {
    min-height: 286px;
    padding: 18px 16px 18px;
    border-radius: 28px;
  }

  .book-card__art {
    max-width: 266px;
    margin-bottom: 10px;
  }

  .book-card__title {
    font-size: 16px;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .section-heading h2,
  .contact-banner h2 {
    font-size: 30px;
  }

  .more-link {
    font-size: 16px;
  }

  .news-copy p,
  .footer-copy,
  .contact-row,
  .friend-links a,
  .friend-links__label,
  .qr-box {
    font-size: 16px;
  }

  .detail-button {
    min-width: 108px;
    height: 46px;
    font-size: 18px;
    border-radius: 8px;
  }

  .contact-banner {
    padding: 28px 0 24px;
  }

  .site-footer {
    padding: 40px 0 48px;
  }

  .page-section {
    padding-top: 18px;
  }

  .contact-company {
    font-size: 24px;
    margin-bottom: 18px;
  }

  .friend-links-wrap,
  .friend-links {
    gap: 18px;
  }

  .qr-area {
    gap: 20px;
    flex-wrap: wrap;
  }

  .about-intro-panel,
  .product-panel,
  .warehouse-panel,
  .awards-panel {
    border-radius: 22px;
  }

  .about-intro-panel {
    padding: 20px;
    gap: 18px;
  }

  .about-intro-copy h2,
  .coop-heading h2,
  .page-title-cluster h2 {
    font-size: 28px;
  }

  .about-intro-copy p,
  .warehouse-panel p,
  .awards-copy,
  .about-story-card p {
    font-size: 16px;
  }

  .about-story-card h2 {
    font-size: 22px;
  }

  .product-tabs {
    gap: 14px;
    padding-bottom: 14px;
  }

  .product-tab.is-active::after {
    bottom: -15px;
  }

  .coop-book-card__tag {
    font-size: 15px;
  }

  .coop-strip {
    border-radius: 18px;
  }

  .coop-strip img {
    object-fit: contain;
    background: #21303b;
  }

  .page-main--cooperation .page-hero {
    padding: 16px 0 18px;
  }

  .page-main--cooperation .page-hero h1 {
    font-size: 34px;
  }

  .page-main--cooperation .page-hero p {
    font-size: 18px;
  }

  .page-main--cooperation .page-section {
    padding-top: 18px;
  }

  .page-main--cooperation .page-section--publishers {
    padding-top: 12px;
  }

  .page-main--cooperation .page-section--coop-books,
  .page-main--cooperation .page-section--channel {
    padding-top: 24px;
  }

  .page-main--cooperation .coop-heading {
    gap: 10px;
    margin-bottom: 10px;
  }

  .page-main--cooperation .coop-heading h2 {
    font-size: 26px;
  }

  .page-main--cooperation .coop-heading .more-link {
    font-size: 14px;
  }

  .page-main--cooperation .page-section--publishers .coop-strip {
    margin-bottom: 18px;
  }

  .page-main--cooperation .kip-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px 8px;
  }

  .page-main--cooperation .kip-avatar {
    width: 84px;
    height: 84px;
    margin-bottom: 8px;
  }

  .page-main--cooperation .kip-card h3 {
    font-size: 13px;
    line-height: 1.15;
  }

  .page-main--cooperation .kip-dots {
    gap: 6px;
    margin-top: 10px;
  }

  .page-main--cooperation .kip-dots span {
    width: 7px;
    height: 7px;
  }

  .page-main--cooperation .kip-dots .is-active {
    width: 18px;
  }

  .page-main--cooperation .page-section--coop-books .coop-strip,
  .page-main--cooperation .coop-strip--channel,
  .page-main--cooperation .awards-panel--showcase {
    width: 100%;
  }

  .page-main--cooperation .awards-panel--showcase {
    margin: 0 auto;
  }

  .qr-placeholder {
    width: 96px;
  }

  .service-widget__badge {
    font-size: 17px;
  }
}