:root {
  --navy: #062b4b;
  --navy-deep: #021d35;
  --blue: #0a4d7d;
  --green: #20b86a;
  --mint: #b8f3d5;
  --paper: #f7f7f2;
  --ink: #122231;
  --line: rgba(255, 255, 255, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  padding: 0 clamp(24px, 5vw, 78px);
  color: white;
  border-bottom: 1px solid var(--line);
  background: rgba(2, 29, 53, .88);
  box-shadow: 0 10px 34px rgba(2, 20, 36, .16);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 14px;
  color: var(--mint);
  font-size: 22px;
  font-weight: 900;
  transform: rotate(-6deg);
}
.brand strong { display: block; font-size: 17px; letter-spacing: .12em; }
.brand small { display: block; margin-top: 2px; font-size: 8px; letter-spacing: .24em; opacity: .58; }
.site-header nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 44px); font-size: 14px; }
.site-header nav a { opacity: .72; transition: opacity .2s ease; }
.site-header nav a:hover, .site-header nav a:focus-visible { opacity: 1; }
.site-header .nav-cta {
  padding: 11px 20px;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 999px;
  opacity: 1;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr);
  gap: clamp(44px, 7vw, 110px);
  align-items: center;
  min-height: 790px;
  padding: 152px clamp(24px, 7vw, 110px) 90px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 62% 110%, rgba(29, 190, 108, .2), transparent 36%),
    linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 48%, #07385b 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero-glow-one { width: 380px; height: 380px; top: 8%; right: -150px; border: 1px solid rgba(87,231,157,.28); box-shadow: 0 0 100px rgba(31,185,105,.12); }
.hero-glow-two { width: 110px; height: 110px; bottom: 13%; left: 46%; background: rgba(29,184,106,.08); }
.hero-copy, .hero-product { position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; color: #b8d0df; font-size: 12px; letter-spacing: .14em; }
.eyebrow span { width: 28px; height: 1px; background: var(--green); }
.hero h1 { max-width: 780px; margin: 0; font-size: clamp(46px, 5.6vw, 80px); line-height: 1.14; letter-spacing: -.055em; font-weight: 700; }
.hero h1 em { color: var(--mint); font-style: normal; }
.hero-lead { max-width: 610px; margin: 28px 0 0; color: #c7d6df; font-size: clamp(16px, 1.35vw, 20px); line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; padding: 0 24px; border-radius: 999px; font-size: 14px; font-weight: 600; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: #042c1a; }
.button-ghost { border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.05); }

.hero-product { min-height: 480px; display: grid; place-items: center; }
.product-orbit { position: absolute; width: 500px; height: 500px; border: 1px solid rgba(191,245,217,.14); border-radius: 50%; }
.product-orbit::after { content: ""; position: absolute; width: 12px; height: 12px; top: 54px; right: 86px; border-radius: 50%; background: var(--green); box-shadow: 0 0 24px var(--green); }
.product-card {
  position: relative;
  width: min(100%, 430px);
  min-height: 390px;
  padding: 32px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 30px;
  background: linear-gradient(155deg, rgba(255,255,255,.15), rgba(255,255,255,.055));
  box-shadow: 0 36px 80px rgba(0,0,0,.3);
  backdrop-filter: blur(22px);
  transform: rotate(2.2deg);
}
.product-card::after { content: "T"; position: absolute; right: -12px; bottom: -82px; color: rgba(255,255,255,.035); font-size: 330px; font-weight: 900; line-height: 1; }
.product-card-top { display: flex; justify-content: space-between; gap: 12px; font-size: 10px; letter-spacing: .12em; }
.product-badge { color: var(--mint); }
.product-status { display: flex; align-items: center; gap: 6px; color: #d8e7df; }
.product-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.product-wordmark { display: flex; align-items: baseline; gap: 14px; margin-top: 96px; }
.product-wordmark span { font-size: clamp(48px, 6vw, 72px); font-weight: 900; letter-spacing: -.08em; }
.product-wordmark small { font-size: 11px; letter-spacing: .18em; opacity: .52; }
.product-card p { position: relative; z-index: 1; max-width: 310px; margin: 18px 0 0; color: #d1e0e8; line-height: 1.75; font-size: 14px; }
.product-tags { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.product-tags span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; color: #c9e7d7; font-size: 10px; }
.floating-note { position: absolute; z-index: 3; padding: 10px 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 12px; background: rgba(3,36,62,.8); box-shadow: 0 12px 30px rgba(0,0,0,.2); color: #d4e6ef; font-size: 11px; letter-spacing: .05em; backdrop-filter: blur(14px); }
.note-one { top: 17%; left: -2%; }
.note-two { right: -3%; bottom: 14%; }

.intro-strip { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; padding: 64px clamp(24px, 7vw, 110px); background: var(--paper); }
.intro-strip p { max-width: 820px; margin: 0; font-size: clamp(23px, 2.8vw, 40px); line-height: 1.45; letter-spacing: -.035em; font-weight: 600; }
.intro-strip span { flex: 0 0 auto; padding-bottom: 8px; color: #74808a; font-size: 10px; letter-spacing: .16em; }

.section { padding: 120px clamp(24px, 7vw, 110px); }
.section-heading { display: grid; grid-template-columns: minmax(150px, .36fr) minmax(0, 1fr); align-items: start; gap: 34px; }
.section-heading h2 { max-width: 900px; margin: 0; font-size: clamp(38px, 5vw, 72px); line-height: 1.18; letter-spacing: -.055em; }
.section-heading.compact { grid-template-columns: 1fr; gap: 18px; }
.section-heading.compact h2 { max-width: 950px; font-size: clamp(34px, 4.5vw, 64px); }
.section-label { margin: 11px 0 0; color: #678091; font-size: 10px; font-weight: 700; letter-spacing: .18em; }
.section-label.light { color: #70d69e; }
.about-section { background: #f7f7f2; }
.about-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; max-width: 930px; margin: 72px 0 0 auto; }
.about-copy p { margin: 0; color: #596976; font-size: 17px; line-height: 1.9; }
.about-copy p:first-child { color: var(--ink); font-size: 22px; font-weight: 600; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 90px; background: #cfd5d4; border: 1px solid #cfd5d4; }
.value-card { min-height: 310px; padding: 34px; background: var(--paper); transition: background .25s ease, transform .25s ease; }
.value-card:hover { background: white; transform: translateY(-5px); }
.value-card > span { display: inline-block; padding-bottom: 48px; color: #7a8a92; font-size: 11px; letter-spacing: .16em; }
.value-card h3 { margin: 0; font-size: 21px; letter-spacing: -.02em; }
.value-card p { margin: 22px 0 0; color: #687680; font-size: 14px; line-height: 1.85; }

.tommall-section { display: grid; grid-template-columns: minmax(380px, .86fr) minmax(0, 1.14fr); min-height: 900px; background: #052b4a; color: white; }
.tommall-visual { position: relative; display: grid; place-items: center; min-height: 900px; overflow: hidden; background: linear-gradient(155deg, #d9eee5 0%, #98d5b5 55%, #42b77b 100%); }
.tommall-visual::before { content: ""; position: absolute; inset: 6% 7%; border: 1px solid rgba(5,43,74,.13); border-radius: 50%; transform: scaleX(1.4); }
.tommall-visual::after { content: "TOM MALL"; position: absolute; bottom: 4%; left: 5%; color: rgba(5,43,74,.13); font-size: clamp(45px, 6vw, 92px); font-weight: 900; letter-spacing: -.08em; }
.phone-shell { position: relative; z-index: 2; width: min(58%, 330px); padding: 12px 10px 14px; border: 6px solid #0d2232; border-radius: 48px; background: #0d2232; box-shadow: 0 36px 70px rgba(4,37,31,.38); transform: rotate(-4deg); }
.phone-shell img { display: block; width: 100%; height: auto; border-radius: 32px; }
.phone-speaker { position: absolute; z-index: 3; top: 18px; left: 50%; width: 54px; height: 7px; border-radius: 999px; background: #0d2232; transform: translateX(-50%); }
.visual-stamp { position: absolute; z-index: 3; top: 7%; right: 7%; display: flex; align-items: flex-end; gap: 10px; color: #07395a; }
.visual-stamp strong { font-size: 52px; line-height: .8; letter-spacing: -.08em; }
.visual-stamp span { font-size: 8px; line-height: 1.3; letter-spacing: .16em; }
.tommall-content { padding: 120px clamp(34px, 7vw, 110px); }
.tommall-content > h2 { margin: 22px 0 0; font-size: clamp(64px, 8vw, 114px); line-height: 1; letter-spacing: -.09em; }
.tommall-position { max-width: 690px; margin: 34px 0 0; color: #c7d6df; font-size: clamp(18px, 2vw, 26px); line-height: 1.65; }
.tommall-content blockquote { margin: 58px 0; padding-left: 24px; border-left: 2px solid var(--green); color: var(--mint); font-size: clamp(24px, 3vw, 44px); font-weight: 600; line-height: 1.5; letter-spacing: -.035em; }
.capability-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.16); }
.capability-grid article { display: flex; gap: 18px; min-height: 160px; padding: 28px 22px 24px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.capability-grid article:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.16); }
.capability-grid article:nth-child(even) { padding-left: 22px; }
.capability-grid article > span { color: #5ebf8a; font-size: 11px; font-weight: 700; }
.capability-grid h3 { margin: 0; font-size: 17px; }
.capability-grid p { margin: 12px 0 0; color: #9fb4c1; font-size: 13px; line-height: 1.7; }

.journey-section { background: #fff; }
.journey-track { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 86px; }
.journey-track::before { content: ""; position: absolute; top: 24px; left: 0; right: 0; height: 1px; background: #cad1d3; }
.journey-step { position: relative; padding: 0 20px 0 0; }
.journey-step::before { content: ""; position: relative; z-index: 1; display: block; width: 9px; height: 9px; margin: 20px 0 34px; border: 5px solid white; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 1px var(--green); }
.journey-step span { display: block; color: #78909e; font-size: 10px; letter-spacing: .14em; }
.journey-step strong { display: block; margin-top: 8px; font-size: 19px; }

.cooperation-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 8vw, 130px); padding: 120px clamp(24px, 7vw, 110px); background: #07243b; color: white; }
.cooperation-intro h2 { max-width: 680px; margin: 26px 0 0; font-size: clamp(38px, 4.8vw, 70px); line-height: 1.2; letter-spacing: -.055em; }
.cooperation-intro > p:last-child { max-width: 570px; margin: 34px 0 0; color: #a8bdc9; font-size: 16px; line-height: 1.9; }
.cooperation-list { align-self: end; border-top: 1px solid rgba(255,255,255,.16); }
.cooperation-list article { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.cooperation-list article > span { color: #65cb91; font-size: 10px; letter-spacing: .12em; }
.cooperation-list h3 { margin: 0; font-size: 19px; }
.cooperation-list p { margin: 10px 0 0; color: #95aab7; font-size: 13px; line-height: 1.75; }

.partners-section { padding: 110px clamp(24px, 7vw, 110px) 120px; background: var(--paper); }
.partners-heading { display: grid; grid-template-columns: minmax(150px, .36fr) minmax(0, 1fr); gap: 34px; align-items: start; }
.partners-heading h2 { margin: 0; font-size: clamp(42px, 5vw, 72px); line-height: 1.08; letter-spacing: -.055em; }
.partners-heading > div > p { max-width: 700px; margin: 24px 0 0; color: #687680; font-size: 15px; line-height: 1.85; }
.partner-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 72px 0 0; padding: 0; border-top: 1px solid #cfd5d4; border-left: 1px solid #cfd5d4; list-style: none; }
.partner-grid li { display: flex; min-height: 132px; padding: 24px; flex-direction: column; justify-content: space-between; border-right: 1px solid #cfd5d4; border-bottom: 1px solid #cfd5d4; background: rgba(255,255,255,.24); transition: background .2s ease, color .2s ease; }
.partner-grid li:hover { color: #087246; background: white; }
.partner-grid span { color: #7c8c94; font-size: 10px; letter-spacing: .16em; }
.partner-grid strong { font-size: clamp(20px, 2vw, 28px); line-height: 1.2; letter-spacing: -.035em; }

.contact-section { padding: 120px clamp(24px, 9vw, 140px); background: var(--green); color: #062b1a; }
.contact-section > p { margin: 0; font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.contact-section h2 { margin: 28px 0 58px; font-size: clamp(44px, 7vw, 100px); line-height: 1.08; letter-spacing: -.065em; }
.contact-section a { display: flex; align-items: center; justify-content: space-between; padding: 23px 0; border-top: 1px solid rgba(4,55,31,.4); border-bottom: 1px solid rgba(4,55,31,.4); font-size: clamp(18px, 2.2vw, 30px); font-weight: 700; }
.contact-section a span { font-size: 1.3em; }

footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 44px; padding: 34px clamp(24px, 7vw, 110px); background: #f7f7f2; color: #62717a; font-size: 11px; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-size: 15px; }
.brand-mark.dark { width: 34px; height: 34px; border-color: #aeb9bc; color: #087246; font-size: 17px; }
footer p { margin: 0; }

@media (max-width: 900px) {
  html { scroll-padding-top: 74px; }
  .site-header { min-height: 74px; }
  .site-header nav > a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 124px; }
  .hero-product { min-height: 430px; }
  .product-card { width: min(86vw, 430px); }
  .note-one { left: 2%; }
  .note-two { right: 1%; }
  .intro-strip { align-items: flex-start; flex-direction: column; }
  .section { padding-block: 86px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .about-copy { margin-top: 48px; }
  .value-grid { grid-template-columns: 1fr; margin-top: 58px; }
  .value-card { min-height: 230px; }
  .value-card > span { padding-bottom: 34px; }
  .tommall-section { grid-template-columns: 1fr; }
  .tommall-visual { min-height: 720px; }
  .tommall-content { padding-block: 86px; }
  .cooperation-section { grid-template-columns: 1fr; padding-block: 86px; }
  .cooperation-list { margin-top: 10px; }
  .partners-section { padding-block: 86px; }
  .partners-heading { grid-template-columns: 1fr; gap: 18px; }
  .partner-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 56px; }
  footer { grid-template-columns: 1fr 1fr; }
  footer p:last-child { grid-column: 2; }
}

@media (max-width: 560px) {
  .site-header { padding-inline: 18px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand strong { font-size: 15px; }
  .site-header .nav-cta { padding: 9px 14px; font-size: 12px; }
  .hero { gap: 38px; padding: 118px 18px 60px; }
  .hero h1 { font-size: clamp(41px, 12vw, 58px); }
  .hero-lead { font-size: 15px; line-height: 1.8; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .button { min-height: 48px; padding-inline: 14px; font-size: 13px; }
  .hero-product { min-height: 390px; }
  .product-orbit { width: 390px; height: 390px; }
  .product-card { min-height: 340px; padding: 24px; border-radius: 24px; }
  .product-wordmark { margin-top: 76px; }
  .floating-note { font-size: 9px; }
  .note-one { top: 12%; left: 0; }
  .note-two { right: 0; bottom: 7%; }
  .intro-strip { padding: 48px 20px; }
  .section { padding: 70px 20px; }
  .section-heading h2 { font-size: 39px; }
  .about-copy { grid-template-columns: 1fr; gap: 24px; margin-top: 42px; }
  .about-copy p, .about-copy p:first-child { font-size: 15px; }
  .value-grid { margin-top: 46px; }
  .value-card { min-height: 210px; padding: 28px; }
  .tommall-visual { min-height: 590px; }
  .phone-shell { width: min(68%, 280px); border-radius: 40px; }
  .phone-shell img { border-radius: 26px; }
  .tommall-content { padding: 72px 20px; }
  .tommall-content > h2 { font-size: 68px; }
  .tommall-position { font-size: 18px; }
  .tommall-content blockquote { margin-block: 44px; font-size: 27px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article:nth-child(odd) { border-right: 0; }
  .capability-grid article:nth-child(even) { padding-left: 0; }
  .capability-grid article { min-height: auto; padding: 24px 0; }
  .journey-track { grid-template-columns: 1fr 1fr; gap: 44px 18px; margin-top: 56px; }
  .journey-track::before { display: none; }
  .journey-step { padding: 0; }
  .journey-step::before { margin: 0 0 20px; }
  .cooperation-section { padding: 72px 20px; }
  .cooperation-intro h2 { font-size: 40px; }
  .partners-section { padding: 72px 20px; }
  .partners-heading h2 { font-size: 40px; }
  .partners-heading > div > p { font-size: 14px; }
  .partner-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 42px; }
  .partner-grid li { min-height: 112px; padding: 20px; }
  .partner-grid strong { font-size: 20px; }
  .contact-section { padding: 74px 20px; }
  .contact-section h2 { margin-bottom: 42px; font-size: 47px; }
  .contact-section a { font-size: 17px; }
  footer { grid-template-columns: 1fr; gap: 18px; padding: 30px 20px; }
  footer p:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}