:root {
  --bg: #0a0d12;
  --panel: #11161d;
  --panel-light: #171e27;
  --ink: #f5f1e9;
  --muted: #9aa4ad;
  --orange: #ff6a00;
  --orange-soft: #ff9c54;
  --line: rgba(245, 241, 233, .14);
  --max: 1240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  font-family: "Noto Sans SC", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; }
.grid-bg {
  position: fixed; inset: 0; pointer-events: none; opacity: .23;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 72px 72px; mask-image: linear-gradient(to bottom, #000, transparent 80%);
}
.glow { position: fixed; width: 420px; height: 420px; border-radius: 50%; pointer-events: none; filter: blur(100px); opacity: .12; }
.glow-one { top: 2%; right: -130px; background: var(--orange); }
.glow-two { left: -240px; top: 42%; background: #426987; }
.nav, main, .footer { position: relative; z-index: 1; }
.nav {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 30px;
  min-height: 78px; padding: 14px max(5vw, 24px); background: rgba(10,13,18,.86);
  border-bottom: 1px solid transparent; backdrop-filter: blur(18px);
}
.nav.scrolled { border-bottom-color: var(--line); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; min-width: 210px; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border: 2px solid var(--orange); transform: rotate(45deg); }
.brand-mark span { width: 12px; height: 12px; background: var(--orange); }
.brand strong, .brand small { display: block; line-height: 1.1; }
.brand strong { font-size: 17px; letter-spacing: .18em; }
.brand small { margin-top: 5px; color: var(--muted); font: 10px "Space Grotesk", sans-serif; letter-spacing: .16em; }
.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a, .nav-shop { position: relative; padding: 9px 13px; font-size: 13px; text-decoration: none; color: var(--muted); }
.nav-links a:hover, .nav-links a.is-active { color: var(--ink); }
.nav-links a.is-active::after { content: ""; position: absolute; right: 13px; bottom: 2px; left: 13px; height: 2px; background: var(--orange); }
.nav-shop { border: 1px solid rgba(255,106,0,.5); color: var(--orange-soft); white-space: nowrap; }
.nav-shop span, .btn span, .product-copy a span { margin-left: 8px; }
.menu-toggle { display: none; border: 1px solid var(--line); background: none; padding: 10px; }
.menu-toggle i { display: block; width: 19px; height: 1px; margin: 4px; background: var(--ink); }
.hero, .section, .intro-strip { width: min(var(--max), 90vw); margin: 0 auto; }
.hero { min-height: 690px; display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: 7vw; padding: 80px 0 105px; }
.eyebrow { display: flex; gap: 15px; align-items: center; margin-bottom: 21px; color: var(--orange); font: 11px "Space Grotesk", sans-serif; letter-spacing: .16em; }
.eyebrow b { color: var(--muted); font: 500 12px "Noto Sans SC", sans-serif; letter-spacing: .08em; }
.hero h1, h2 { font-size: clamp(42px, 6vw, 76px); line-height: 1.12; letter-spacing: -.05em; font-weight: 700; }
h2 { font-size: clamp(36px, 4.8vw, 60px); }
h1 em, h2 em { color: var(--orange); font-style: normal; }
.lede { max-width: 520px; margin-top: 27px; color: var(--muted); font-size: 16px; line-height: 2; }
.hero-actions { display: flex; gap: 16px; align-items: center; margin-top: 35px; }
.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 21px; text-decoration: none; font-size: 14px; }
.btn.primary, .shop-button { color: #fff; background: var(--orange); box-shadow: 0 12px 30px rgba(255,106,0,.15); }
.btn.primary:hover, .shop-button:hover { background: #ff8128; transform: translateY(-2px); }
.btn.text { color: var(--muted); border-bottom: 1px solid var(--line); }
.hero-proof { display: flex; gap: 27px; margin-top: 62px; color: var(--muted); font-size: 11px; }
.hero-proof strong { display: block; margin-bottom: 5px; color: var(--orange); font: 18px "Space Grotesk", sans-serif; }
.hero-visual { position: relative; height: 520px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,106,0,.08), rgba(17,22,29,.7) 52%); overflow: hidden; }
.hero-visual::before { content: ""; position: absolute; inset: 12%; border: 1px solid rgba(255,106,0,.22); transform: rotate(-14deg); }
.visual-label { position: absolute; z-index: 2; color: var(--muted); font: 10px "Space Grotesk", sans-serif; letter-spacing: .16em; }
.label-top { top: 21px; left: 23px; }.label-bottom { right: 23px; bottom: 21px; }.label-bottom span { color: var(--orange); margin-left: 8px; }
.toner-box { position: absolute; width: 230px; height: 260px; top: 125px; left: 50%; transform: translateX(-50%) rotate(-8deg); filter: drop-shadow(30px 35px 25px rgba(0,0,0,.45)); }
.box-front { position: absolute; z-index: 2; width: 190px; height: 235px; bottom: 0; left: 0; padding: 25px 20px; border: 1px solid #303844; background: linear-gradient(135deg, #2b323c, #11161d 70%); }
.box-side { position: absolute; right: 0; bottom: 0; width: 43px; height: 235px; background: linear-gradient(90deg, #171e26, #080b0e); transform: skewY(-33deg); transform-origin: left; }
.box-top { position: absolute; top: 0; left: 0; width: 190px; height: 35px; background: #3d4650; transform: skewX(-47deg); transform-origin: left; }
.box-logo { color: var(--orange); font-size: 23px; font-weight: 800; letter-spacing: .18em; }.box-logo span { font-size: 8px; }
.box-title { margin-top: 87px; color: #c2c8cd; font: 19px/1.3 "Space Grotesk", sans-serif; letter-spacing: .08em; }.box-title b { color: #fff; font-size: 22px; }
.box-code { position: absolute; bottom: 17px; left: 20px; color: var(--orange-soft); font: 10px "Space Grotesk", sans-serif; letter-spacing: .15em; }
.visual-ring { position: absolute; border: 1px solid rgba(255,106,0,.35); border-radius: 50%; }.ring-one { width: 410px; height: 410px; top: 55px; left: calc(50% - 205px); }.ring-two { width: 290px; height: 290px; top: 115px; left: calc(50% - 145px); border-style: dashed; opacity: .6; }
.intro-strip { display: flex; align-items: center; gap: 24px; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.intro-strip p { font-weight: 600; }.intro-strip span { color: var(--muted); font-size: 13px; }.intro-strip a { margin-left: auto; color: var(--orange); font-size: 25px; text-decoration: none; }
.section { padding: 125px 0; }.section-head { display: flex; justify-content: space-between; gap: 50px; align-items: end; }.section-note { max-width: 365px; padding-bottom: 7px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 55px; }.product-card { min-height: 400px; padding: 24px; display: flex; flex-direction: column; border: 1px solid var(--line); background: rgba(17,22,29,.72); transition: transform .25s, border-color .25s; }.product-card:hover { transform: translateY(-6px); border-color: rgba(255,106,0,.65); }.product-card.featured { background: linear-gradient(150deg, rgba(255,106,0,.14), rgba(17,22,29,.72) 47%); }.card-number { color: var(--muted); font: 10px "Space Grotesk", sans-serif; letter-spacing: .14em; }
.mini-cartridge { position: relative; width: 165px; height: 105px; margin: 50px auto 30px; border: 1px solid #59636d; background: linear-gradient(135deg, #414b56, #151b21); transform: skewX(-11deg); box-shadow: 18px 16px 0 rgba(0,0,0,.25); }.mini-cartridge::after { content: ""; position: absolute; width: 30px; height: 105px; top: -1px; right: -30px; border: 1px solid #303942; background: #20272e; transform: skewY(-30deg); transform-origin: left; }.mini-cartridge::before { content: "XINMEI"; position: absolute; top: 15px; left: 17px; color: var(--orange); font: 15px "Space Grotesk", sans-serif; letter-spacing: .12em; }.mini-cartridge span { position: absolute; bottom: 14px; left: 17px; width: 85px; height: 4px; background: #87929a; }.cartridge-color::before { color: #77b6c9; }.cartridge-gray::before { color: #d2b07d; }
.product-image { display: block; width: 100%; height: 145px; margin: 30px auto 25px; object-fit: contain; mix-blend-mode: screen; filter: saturate(.9) contrast(1.05); }
.product-copy { margin-top: auto; }.product-copy h3 { font-size: 21px; }.product-copy p { min-height: 50px; margin: 9px 0 18px; color: var(--muted); font-size: 13px; line-height: 1.8; }.product-copy a { color: var(--orange-soft); font-size: 13px; text-decoration: none; }
.service { display: grid; grid-template-columns: .85fr 1.15fr; gap: 10vw; border-top: 1px solid var(--line); }.service-intro > p:last-child, .contact > div > p:last-child { max-width: 370px; margin-top: 25px; color: var(--muted); font-size: 14px; line-height: 1.9; }.steps { display: grid; gap: 0; }.step { padding: 0 0 27px 30px; margin-bottom: 27px; border-left: 1px solid rgba(255,106,0,.55); }.step b { color: var(--orange); font: 12px "Space Grotesk", sans-serif; }.step h3 { margin: 9px 0 5px; font-size: 20px; }.step p { color: var(--muted); font-size: 13px; }
.contact { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 50px; padding: 75px 60px; background: var(--panel-light); }.shop-button { display: flex; align-items: center; justify-content: space-between; width: 240px; min-height: 58px; padding: 0 20px; text-decoration: none; font-size: 14px; transition: transform .2s; }.shop-button b { font-size: 23px; font-weight: 400; }
.footer { display: flex; justify-content: space-between; gap: 20px; padding: 25px max(5vw, 24px) 35px; color: var(--muted); font: 10px "Space Grotesk", sans-serif; letter-spacing: .13em; }
@media (max-width: 900px) { .nav-links { display: none; position: absolute; top: 77px; right: 5vw; left: 5vw; flex-direction: column; padding: 10px; background: var(--panel); border: 1px solid var(--line); }.nav-links.open { display: flex; }.nav-links a { padding: 13px; }.nav-shop { margin-left: auto; }.menu-toggle { display: block; }.hero { grid-template-columns: 1fr; padding-top: 65px; }.hero-visual { height: 430px; }.section-head, .service, .about { grid-template-columns: 1fr; display: grid; }.section-note { padding: 0; }.product-grid { grid-template-columns: 1fr; } .about-points { grid-template-columns: 1fr; }.product-card { min-height: 350px; }.contact { align-items: start; flex-direction: column; padding: 45px 30px; } }
@media (max-width: 540px) { .nav { gap: 12px; }.brand { min-width: 0; }.brand strong { font-size: 14px; }.brand small { font-size: 8px; }.nav-shop { display: none; }.hero { width: 88vw; min-height: 0; padding: 62px 0 75px; }.hero h1 { font-size: 47px; }.hero-proof { gap: 15px; }.hero-visual { height: 380px; }.toner-box { transform: translateX(-50%) scale(.8) rotate(-8deg); }.intro-strip { width: 88vw; gap: 12px; }.intro-strip span { font-size: 11px; }.section { width: 88vw; padding: 85px 0; }.contact { width: 88vw; }.footer { font-size: 8px; } }

.hero-product-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .92; filter: saturate(.88) contrast(1.05); }

.brand-store-icon { width: 38px; height: 38px; flex: none; border-radius: 50%; object-fit: cover; border: 1px solid rgba(255,106,0,.55); background: #fff; }

.about { display: grid; grid-template-columns: .85fr 1.15fr; gap: 10vw; border-top: 1px solid var(--line); padding-bottom: 80px; } .about-copy { max-width: 650px; color: var(--muted); font-size: 14px; line-height: 1.95; } .about-lead { margin-bottom: 18px; color: var(--ink); font-size: 19px; line-height: 1.7; } .about-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; } .about-points div { padding: 18px 15px; border: 1px solid var(--line); background: rgba(255,255,255,.025); } .about-points strong, .about-points span { display: block; } .about-points strong { margin-bottom: 8px; color: var(--orange-soft); font-size: 14px; } .about-points span { font-size: 12px; line-height: 1.7; }

.beian { color: var(--muted); text-decoration: none; letter-spacing: .04em; }
.beian:hover { color: var(--orange-soft); }
.lang-switch { display: flex; flex: none; border: 1px solid var(--line); }
.lang-switch button { border: 0; background: transparent; color: var(--muted); font: 12px "Space Grotesk", sans-serif; letter-spacing: .06em; min-width: 46px; min-height: 34px; padding: 0 10px; cursor: pointer; }
.lang-switch button.is-active { color: var(--ink); background: rgba(255,106,0,.18); }