:root {
  color-scheme: light;
  --brand-red: #ed0017;
  --brand-blue: #1479be;
  --ink: #17243a;
  --text: #33445c;
  --muted: #68778c;
  --line: #dce5ef;
  --soft: #edf3f8;
  --navy: #0d2745;
  --navy-2: #123b64;
  --soft-blue: #eaf4ff;
  --white: #ffffff;
  --shadow: 0 18px 46px rgba(23, 36, 58, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  background: #e7eef5;
  line-height: 1.65;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 12px clamp(20px, 5vw, 72px);
  background: rgba(239, 243, 247, 0.96);
  border-bottom: 1px solid rgba(205, 216, 228, 0.9);
  backdrop-filter: blur(14px);
  transition: box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  box-shadow: 0 12px 30px rgba(23, 36, 58, 0.09);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 214px;
  height: auto;
}

.site-nav {
  display: flex;
  gap: clamp(18px, 2.8vw, 34px);
  align-items: center;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--brand-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  padding-top: 76px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 76% 28%, rgba(20, 121, 190, 0.48), transparent 36%),
    radial-gradient(ellipse at 42% 88%, rgba(237, 0, 23, 0.18), transparent 34%),
    linear-gradient(112deg, #06152a 0%, #0b294a 52%, #105d8f 100%);
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(118deg, transparent 0 46%, rgba(255, 255, 255, 0.08) 46% 46.6%, transparent 46.6% 100%),
    linear-gradient(64deg, transparent 0 58%, rgba(20, 121, 190, 0.18) 58% 61%, transparent 61% 100%),
    linear-gradient(180deg, rgba(2, 10, 22, 0) 0%, rgba(2, 10, 22, 0.48) 100%);
  background-size: 72px 72px, 72px 72px, 100% 100%, 100% 100%, 100% 100%;
  mask-image: linear-gradient(90deg, #000 0%, #000 72%, transparent 100%);
}

.hero::after {
  position: absolute;
  right: -12vw;
  bottom: -120px;
  z-index: -1;
  width: 54vw;
  height: 260px;
  content: "";
  background: linear-gradient(90deg, rgba(237, 0, 23, 0.58), rgba(237, 0, 23, 0));
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  opacity: 0.62;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(390px, 0.62fr);
  gap: clamp(34px, 4.6vw, 68px);
  align-items: center;
  width: min(1380px, calc(100% - 56px));
  min-height: calc(100svh - 76px);
  margin: 0 auto;
  padding: clamp(58px, 7vw, 86px) 0 108px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-red);
  font-size: 14px;
  font-weight: 900;
}

.hero .eyebrow {
  color: #ff6471;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(42px, 5.1vw, 68px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 {
  color: var(--white);
  text-wrap: balance;
}

h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.32;
}

.hero-lead {
  max-width: 780px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 1.8vw, 20px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 760px;
  margin: 0 0 30px;
}

.hero-stats div {
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.hero-stats dt {
  color: var(--white);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 900;
  line-height: 1;
}

.hero-stats dd {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button.primary {
  color: var(--white);
  background: var(--brand-red);
  box-shadow: 0 12px 28px rgba(237, 0, 23, 0.2);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.1);
}

.hero-console {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(5, 22, 42, 0.78);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
}

.console-kicker {
  color: #ff6471;
  font-size: 12px;
  font-weight: 900;
}

.hero-console > strong {
  color: var(--white);
  font-size: clamp(24px, 2.1vw, 30px);
  line-height: 1.2;
}

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

.console-flow span {
  padding: 11px 14px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.console-list {
  display: grid;
  gap: 12px;
}

.console-list div {
  padding: 15px 16px;
  border-left: 4px solid var(--brand-blue);
  background: rgba(255, 255, 255, 0.08);
}

.console-list div:nth-child(2) {
  border-left-color: var(--brand-red);
}

.console-list b,
.console-list small {
  display: block;
}

.console-list b {
  color: var(--white);
  font-size: 16px;
}

.console-list small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: relative;
  z-index: 3;
  width: min(1180px, calc(100% - 40px));
  margin: -54px auto 0;
  overflow: hidden;
  border: 1px solid rgba(220, 229, 239, 0.86);
  border-radius: 8px;
  background: linear-gradient(180deg, #f9fbfd 0%, #edf4fa 100%);
  box-shadow: var(--shadow);
}

.quick-facts div {
  position: relative;
  display: grid;
  gap: 4px;
  min-height: 96px;
  padding: 18px 22px;
  border-right: 1px solid var(--line);
  place-content: center;
}

.quick-facts div::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--brand-blue);
}

.quick-facts div:nth-child(2n)::before {
  background: var(--brand-red);
}

.quick-facts div:last-child {
  border-right: 0;
}

.quick-facts strong {
  color: var(--ink);
  font-size: 18px;
}

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

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(82px, 9vw, 120px) 0;
}

.section-heading {
  position: relative;
  max-width: 760px;
}

.section-heading::after {
  display: block;
  width: 68px;
  height: 4px;
  margin-top: 24px;
  content: "";
  background: linear-gradient(90deg, var(--brand-red), var(--brand-blue));
}

.section-heading p:not(.eyebrow),
.value-card p,
.product-card p,
.case-card p,
.delivery-steps p,
.contact-copy p {
  color: var(--muted);
}

.value-grid,
.product-grid,
.case-grid {
  display: grid;
  gap: 18px;
  margin-top: 40px;
}

.value-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.value-card,
.product-card,
.case-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbfd;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.value-card:hover,
.product-card:hover,
.case-card:hover {
  border-color: rgba(20, 121, 190, 0.36);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.value-card {
  min-height: 178px;
  padding: 26px;
}

.value-card h3::before {
  display: block;
  width: 38px;
  height: 4px;
  margin-bottom: 18px;
  content: "";
  background: var(--brand-red);
}

.value-card:nth-child(2n) h3::before {
  background: var(--brand-blue);
}

.partners {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100vw - 1180px) / 2));
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(118deg, rgba(7, 28, 54, 0.94) 0%, rgba(13, 54, 89, 0.9) 48%, rgba(18, 87, 130, 0.88) 100%);
}

.partners .eyebrow,
.partners h2,
.partners .section-heading p:not(.eyebrow) {
  color: var(--white);
}

.partners .section-heading p:not(.eyebrow) {
  opacity: 0.76;
}

.partner-showcase {
  display: grid;
  grid-template-columns: minmax(300px, 0.38fr) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
  margin-top: 44px;
}

.partner-summary {
  display: grid;
  align-content: center;
  gap: 16px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.18);
}

.partner-summary span {
  color: #ff6471;
  font-size: 12px;
  font-weight: 900;
}

.partner-summary strong {
  color: var(--white);
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.2;
}

.partner-summary p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.74);
}

.partner-industries {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.partner-industries i {
  padding: 7px 11px;
  color: rgba(255, 255, 255, 0.78);
  font-style: normal;
  font-weight: 800;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.partner-board {
  position: relative;
  display: grid;
  gap: 20px;
  align-content: stretch;
  min-height: 312px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.04);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.18);
}

.partner-board::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.08) 48%, transparent 100%);
  opacity: 0.8;
  pointer-events: none;
  transform: translateX(-55%);
  animation: partner-light 6s ease-in-out infinite;
}

.partner-board-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.partner-board-head span {
  color: #ff6471;
  font-size: 12px;
  font-weight: 900;
}

.partner-board-head strong {
  color: rgba(255, 255, 255, 0.92);
  font-size: 18px;
}

.partner-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.partner-list span {
  display: grid;
  gap: 8px;
  min-height: 86px;
  padding: 16px;
  align-items: center;
  align-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.partner-list b {
  color: var(--white);
  font-size: 19px;
  line-height: 1.2;
}

.partner-list i {
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.partner-list span:nth-child(3n + 1) {
  border-top: 4px solid var(--brand-red);
}

.partner-list span:nth-child(3n + 2) {
  border-top: 4px solid var(--brand-blue);
}

.partner-list span:nth-child(3n) {
  border-top: 4px solid #7a8da4;
}

@keyframes partner-light {
  0%, 42% {
    transform: translateX(-55%);
  }
  72%, 100% {
    transform: translateX(55%);
  }
}

.products {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100vw - 1180px) / 2));
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(135deg, rgba(20, 121, 190, 0.12), transparent 36%),
    #e7f0f8;
}

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

.product-card {
  min-height: 240px;
  padding: 26px;
  background: linear-gradient(180deg, #fbfdff 0%, #f1f6fb 100%);
}

.product-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 34px;
  margin-bottom: 30px;
  color: var(--white);
  font-weight: 900;
  border-radius: 8px;
  background: var(--brand-blue);
}

.product-card:nth-child(2n) span {
  background: var(--brand-red);
}

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

.cases {
  width: min(1240px, calc(100% - 40px));
}

.case-card {
  overflow: hidden;
  box-shadow: 0 10px 26px rgba(23, 36, 58, 0.08);
}

.case-card:nth-child(1),
.case-card:nth-child(6) {
  grid-column: span 2;
}

.case-card img {
  width: 100%;
  aspect-ratio: 4 / 2.65;
  object-fit: cover;
  background: var(--soft);
}

.case-card div {
  padding: 22px;
}

.delivery {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100vw - 1180px) / 2));
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(120deg, rgba(13, 39, 69, 0.94), rgba(18, 59, 100, 0.9)),
    url("assets/case-mask-nonwoven.jpg") center / cover no-repeat;
}

.delivery .eyebrow,
.delivery h2,
.delivery .section-heading p:not(.eyebrow) {
  color: var(--white);
}

.delivery .section-heading p:not(.eyebrow) {
  opacity: 0.78;
}

.delivery-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 40px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.18);
}

.delivery-steps div {
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.delivery-steps div:last-child {
  border-right: 0;
}

.delivery-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 34px;
  color: var(--white);
  font-weight: 900;
  border-radius: 50%;
  background: var(--brand-blue);
}

.delivery-steps div:nth-child(2n) span {
  background: var(--brand-red);
}

.delivery-steps strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 20px;
}

.contact {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100vw - 1180px) / 2));
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  background: linear-gradient(180deg, #eef4f9 0%, #e3edf6 100%);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, auto);
  gap: 32px;
  align-items: center;
  padding: clamp(30px, 5vw, 54px);
  border: 1px solid rgba(20, 121, 190, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(112deg, rgba(248, 251, 253, 0.98) 0%, rgba(229, 239, 248, 0.98) 100%);
  box-shadow: var(--shadow);
}

.contact-copy h2 {
  font-size: clamp(34px, 4vw, 48px);
}

.contact-copy p:last-child {
  max-width: 680px;
}

.qr-card {
  display: grid;
  justify-items: center;
  min-width: 260px;
  padding: 22px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(23, 36, 58, 0.12);
}

.qr-card img {
  width: 180px;
  height: 180px;
  padding: 10px;
  object-fit: contain;
  border: 1px solid #e4ebf2;
  border-radius: 8px;
  background: #ffffff;
}

.qr-card strong {
  margin-top: 16px;
  color: var(--ink);
  font-size: 20px;
}

.qr-card span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #e8eef4;
}

.site-footer a {
  color: var(--muted);
  font-size: 14px;
}

.site-footer a:hover {
  color: var(--brand-blue);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 480ms ease, transform 480ms ease;
}

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

@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-console {
    max-width: 680px;
  }

  .value-grid,
  .product-grid,
  .case-grid,
  .delivery-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .delivery-steps div:nth-child(2) {
    border-right: 0;
  }

  .delivery-steps div:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 68px;
    padding: 10px 18px;
  }

  .brand img {
    width: 176px;
  }

  .brand span {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    right: 16px;
    left: 16px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-header.is-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 12px;
    border-radius: 8px;
  }

  .site-nav a:hover {
    background: var(--soft);
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    padding-top: 68px;
  }

  .hero-inner {
    width: min(100% - 32px, 700px);
    min-height: auto;
    padding-top: 50px;
    padding-bottom: 96px;
  }

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

  .hero-console {
    padding: 22px;
  }

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

  .quick-facts,
  .value-grid,
  .product-grid,
  .case-grid,
  .delivery-steps,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .partner-showcase {
    grid-template-columns: 1fr;
  }

  .partner-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-facts div,
  .delivery-steps div,
  .delivery-steps div:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-facts div:last-child,
  .delivery-steps div:last-child {
    border-bottom: 0;
  }

  .case-card:nth-child(1),
  .case-card:nth-child(6) {
    grid-column: auto;
  }

  .site-footer {
    padding-right: 18px;
    padding-left: 18px;
  }
}

@media (max-width: 520px) {
  .brand img {
    width: 150px;
  }

  .button {
    width: 100%;
  }

  .value-card,
  .product-card,
  .case-card div,
  .partner-summary,
  .partner-board,
  .contact-panel,
  .delivery-steps div {
    min-height: auto;
    padding: 22px;
  }

  .qr-card {
    min-width: 0;
  }

  .qr-card img {
    width: 168px;
    height: 168px;
  }

  .partner-board-head {
    display: grid;
    gap: 8px;
  }

  .partner-list {
    grid-template-columns: 1fr;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}