/* ==========================================================================
   LINEWELL 莱因维尔 · 官网样式
   Design tokens → Base → Layout → Components → Sections → Responsive
   ========================================================================== */

/* --------------------------------------------------------------- tokens */
:root {
  --bg: #08050f;
  --bg-soft: #0d0820;
  --bg-raise: #120c26;

  --panel: rgba(255, 255, 255, 0.034);
  --panel-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.085);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #f3f0fa;
  --text-2: #c7c0dd;
  --muted: #9a91b8;
  --dim: #6f678c;

  --violet: #7a4dff;
  --violet-2: #a687ff;
  --violet-deep: #341a78;
  --orange: #f5821f;
  --orange-2: #ffa04a;

  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 26px;

  --maxw: 1200px;
  --gutter: clamp(20px, 4vw, 40px);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --shadow: 0 30px 70px -35px rgba(0, 0, 0, 0.9);
  --glow-violet: 0 0 90px -10px rgba(122, 77, 255, 0.55);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(120% 80% at 12% -8%, rgba(122, 77, 255, 0.16), transparent 60%),
    radial-gradient(90% 70% at 100% 8%, rgba(245, 130, 31, 0.07), transparent 62%),
    radial-gradient(100% 90% at 50% 108%, rgba(90, 46, 200, 0.14), transparent 66%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; line-height: 1.2; letter-spacing: -0.015em; }
p { margin: 0; }
em { font-style: normal; }

::selection { background: rgba(245, 130, 31, 0.32); color: #fff; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--orange);
  color: #1a1206;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ------------------------------------------------------------- utilities */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

.section {
  position: relative;
  padding-block: clamp(76px, 10vw, 148px);
}
.section + .section { border-top: 1px solid rgba(255, 255, 255, 0.05); }

.sec-head { max-width: 780px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-lead { margin-top: 22px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--orange);
}
.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: linear-gradient(90deg, var(--orange), rgba(245, 130, 31, 0.15));
}

.sec-title {
  font-size: clamp(1.75rem, 3.5vw, 2.9rem);
  line-height: 1.22;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.sec-title-lg { font-size: clamp(2.4rem, 6vw, 4.4rem); letter-spacing: -0.03em; }

.lead {
  color: var(--text-2);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 2;
  font-weight: 300;
}

.sub-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  margin-bottom: clamp(26px, 3vw, 40px);
}
.sub-title em {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--dim);
  text-transform: uppercase;
}

/* buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 28px;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    background-color 0.4s var(--ease), border-color 0.4s var(--ease), color 0.4s var(--ease);
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--orange), #e06a12);
  color: #1b1005;
  font-weight: 600;
  box-shadow: 0 14px 40px -16px rgba(245, 130, 31, 0.75);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 50px -16px rgba(245, 130, 31, 0.9);
}

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.06);
}

.btn-block { width: 100%; justify-content: space-between; }

/* reveal animation */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* ------------------------------------------------------- scroll progress */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 90;
  background: rgba(255, 255, 255, 0.05);
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--violet), var(--orange));
  box-shadow: 0 0 14px rgba(245, 130, 31, 0.6);
}

/* ------------------------------------------------------------------- nav */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  transition: background-color 0.5s var(--ease), backdrop-filter 0.5s var(--ease),
    border-color 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(8, 5, 15, 0.78);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line);
}

.nav-inner {
  width: 100%;
  max-width: 1340px;
  margin-inline: auto;
  padding: 14px clamp(20px, 4vw, 40px);
  display: flex;
  align-items: center;
  gap: 32px;
  transition: padding 0.5s var(--ease);
}
.nav.is-stuck .nav-inner { padding-block: 10px; }

.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-logo {
  height: 34px;
  width: auto;
  transition: height 0.5s var(--ease), opacity 0.4s var(--ease);
}
.nav.is-stuck .brand-logo { height: 30px; }
.brand:hover .brand-logo { opacity: 0.82; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  padding: 9px 15px;
  font-size: 0.88rem;
  color: var(--text-2);
  border-radius: 999px;
  transition: color 0.35s var(--ease), background-color 0.35s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 1px;
  background: var(--orange);
  transform: translateX(-50%);
  transition: width 0.4s var(--ease);
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.nav-links a.is-active { color: var(--text); }
.nav-links a.is-active::after { width: 18px; }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-cta {
  padding: 10px 22px;
  font-size: 0.86rem;
  font-weight: 500;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: all 0.4s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #1b1005;
  box-shadow: 0 12px 30px -14px rgba(245, 130, 31, 0.9);
}

.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  position: relative;
}
.nav-burger span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.nav-burger span:nth-child(1) { top: 17px; }
.nav-burger span:nth-child(2) { top: 23px; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

.mobile-menu {
  display: none;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.6s var(--ease);
  background: rgba(8, 5, 15, 0.96);
  backdrop-filter: blur(20px);
  border-top: 1px solid transparent;
}
.mobile-menu.is-open { max-height: 520px; border-top-color: var(--line); }
.mobile-menu nav { padding: 10px var(--gutter) 4px; }
.mobile-menu a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu a em { font-size: 0.98rem; color: var(--text); }
.mobile-menu a span {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--dim);
  text-transform: uppercase;
}
.mobile-menu-foot {
  padding: 18px var(--gutter) 26px;
  font-size: 0.86rem;
  color: var(--muted);
}

/* ------------------------------------------------------------------ rail */
.rail {
  position: fixed;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 70;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s var(--ease);
}
.rail.is-visible { opacity: 1; pointer-events: auto; }
.rail ul { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.rail a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 3px 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--dim);
  transition: color 0.35s var(--ease);
}
.rail-dot {
  width: 20px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.2);
  transition: width 0.4s var(--ease), background-color 0.4s var(--ease);
}
.rail-label {
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  white-space: nowrap;
}
.rail a:hover { color: var(--text-2); }
.rail a:hover .rail-label { opacity: 1; transform: none; }
.rail a.is-active { color: var(--orange); }
.rail a.is-active .rail-dot { width: 34px; background: var(--orange); }
.rail a.is-active .rail-label { opacity: 1; transform: none; }

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(120px, 16vh, 180px) 0 clamp(90px, 12vh, 130px);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-tex {
  position: absolute;
  inset: -10%;
  background: url("../images/bg/texture-violet.jpg") center / cover no-repeat;
  opacity: 0.3;
  filter: blur(3px) saturate(1.35);
  mix-blend-mode: screen;
  mask-image: radial-gradient(70% 60% at 62% 45%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 62% 45%, #000 0%, transparent 78%);
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  will-change: transform;
}
.orb-1 {
  width: 46vw; height: 46vw; max-width: 660px; max-height: 660px;
  right: -6vw; top: 4vh;
  background: radial-gradient(circle, rgba(122, 77, 255, 0.5), transparent 66%);
}
.orb-2 {
  width: 34vw; height: 34vw; max-width: 480px; max-height: 480px;
  left: -8vw; bottom: -6vh;
  background: radial-gradient(circle, rgba(245, 130, 31, 0.24), transparent 68%);
}
.orb-3 {
  width: 26vw; height: 26vw; max-width: 380px; max-height: 380px;
  left: 34%; top: -8vh;
  background: radial-gradient(circle, rgba(166, 135, 255, 0.3), transparent 70%);
}
.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(90% 70% at 50% 40%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(90% 70% at 50% 40%, #000 0%, transparent 75%);
  opacity: 0.5;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
}

.hero-eyebrow {
  margin: 0;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--orange);
}
.hero-eyebrow-cn {
  margin: 8px 0 26px;
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(2.35rem, 6vw, 4.6rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 600;
}
.hero-title span { display: block; }
.hero-title em {
  background: linear-gradient(102deg, #ffffff 6%, var(--violet-2) 52%, var(--orange-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 600;
}

.hero-lead {
  margin-top: 28px;
  max-width: 46ch;
  color: var(--text-2);
  font-size: clamp(0.94rem, 1.15vw, 1.05rem);
  line-height: 2.05;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-ticker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-ticker li {
  position: relative;
  padding-left: 16px;
  font-size: 0.79rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.hero-ticker li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 10px rgba(245, 130, 31, 0.9);
}

.hero-visual {
  position: relative;
  margin: 0;
  padding: clamp(20px, 3vw, 38px);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(122, 77, 255, 0.16), rgba(255, 255, 255, 0.02) 46%, rgba(245, 130, 31, 0.09));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.7;
  pointer-events: none;
}
.hero-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  animation: float 9s ease-in-out infinite;
}
.hero-halo {
  position: absolute;
  left: 50%;
  top: 46%;
  width: 78%;
  height: 62%;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(166, 135, 255, 0.42), transparent 72%);
  filter: blur(38px);
  z-index: 0;
}
.hero-visual figcaption {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3ddc97;
  box-shadow: 0 0 10px rgba(61, 220, 151, 0.9);
  flex-shrink: 0;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-0.4deg); }
  50% { transform: translateY(-14px) rotate(0.4deg); }
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.scroll-cue-line {
  width: 1px;
  height: 46px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
  overflow: hidden;
  position: relative;
}
.scroll-cue-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--orange);
  animation: cue 2.2s var(--ease) infinite;
}
@keyframes cue {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}
.scroll-cue-text {
  font-size: 9.5px;
  letter-spacing: 0.34em;
  color: var(--dim);
  text-transform: uppercase;
}

/* ----------------------------------------------------------------- about */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.about-copy .lead + .lead { margin-top: 20px; }

.pillars {
  display: grid;
  gap: 18px;
  margin-top: clamp(34px, 4vw, 52px);
}
.pillar {
  position: relative;
  padding: 24px 26px 24px 68px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.5s var(--ease), background-color 0.5s var(--ease), transform 0.5s var(--ease);
}
.pillar:hover {
  border-color: rgba(245, 130, 31, 0.4);
  background: rgba(245, 130, 31, 0.05);
  transform: translateX(6px);
}
.pillar-num {
  position: absolute;
  left: 26px;
  top: 24px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.pillar h3 { font-size: 1.02rem; display: flex; align-items: baseline; gap: 10px; }
.pillar h3 em {
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: var(--dim);
  font-weight: 600;
}
.pillar p { margin-top: 8px; font-size: 0.88rem; line-height: 1.85; color: var(--muted); font-weight: 300; }

.about-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: sticky;
  top: 110px;
  align-self: start;
}
.about-figure img {
  width: 100%;
  height: clamp(300px, 46vh, 520px);
  object-fit: cover;
  transition: transform 1.4s var(--ease);
}
.about-figure:hover img { transform: scale(1.04); }
.about-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 5, 15, 0.9) 4%, transparent 52%);
  pointer-events: none;
}
.about-figure figcaption {
  position: absolute;
  left: 26px;
  bottom: 22px;
  z-index: 1;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--text-2);
  text-transform: uppercase;
}

/* --------------------------------------------------------------- figures */
.section-figures { background: linear-gradient(180deg, transparent, rgba(122, 77, 255, 0.045) 40%, transparent); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat {
  padding: clamp(26px, 3vw, 40px);
  background: #0a0716;
  transition: background-color 0.5s var(--ease);
}
.stat:hover { background: #100a24; }
.stat-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-value .count {
  background: linear-gradient(140deg, #ffffff 20%, var(--violet-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-value i {
  font-size: 0.9rem;
  font-weight: 500;
  font-style: normal;
  letter-spacing: 0;
  color: var(--orange);
}
.stat h3 { margin-top: 16px; font-size: 0.95rem; font-weight: 500; letter-spacing: 0.02em; }
.stat p { margin-top: 6px; font-size: 0.79rem; color: var(--dim); line-height: 1.7; }

.equip { margin-top: clamp(48px, 6vw, 84px); }
.equip-title { display: flex; align-items: baseline; gap: 12px; font-size: 1.05rem; margin-bottom: 26px; }
.equip-title em { font-size: 10.5px; letter-spacing: 0.24em; color: var(--dim); font-weight: 600; }
.equip-list { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.equip-list li {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  transition: border-color 0.45s var(--ease), transform 0.45s var(--ease), background-color 0.45s var(--ease);
}
.equip-list li:hover { border-color: var(--line-strong); transform: translateY(-4px); background: var(--panel-2); }
.equip-qty { display: flex; align-items: baseline; gap: 2px; font-size: 0.72rem; color: var(--muted); }
.equip-qty b { font-size: 1.5rem; font-weight: 600; color: var(--text); letter-spacing: -0.02em; }
.equip-name { display: block; margin-top: 10px; font-size: 0.83rem; color: var(--text-2); line-height: 1.5; }
.equip-en { display: block; margin-top: 4px; font-size: 9.5px; letter-spacing: 0.14em; color: var(--dim); text-transform: uppercase; }

/* -------------------------------------------------------------- products */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 26px);
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  transition: transform 0.6s var(--ease), border-color 0.6s var(--ease), box-shadow 0.6s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(166, 135, 255, 0.55), transparent 42%, rgba(245, 130, 31, 0.45));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
  pointer-events: none;
}
.card:hover { transform: translateY(-8px); border-color: transparent; box-shadow: 0 40px 70px -40px rgba(0, 0, 0, 1); }
.card:hover::after { opacity: 1; }

.card-media {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #0c0820;
  border-bottom: 1px solid var(--line);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.card-media[data-fit="contain"] {
  display: grid;
  place-items: center;
  background:
    radial-gradient(58% 58% at 50% 44%, rgba(122, 77, 255, 0.24), transparent 72%),
    #0b0720;
}
.card-media[data-fit="contain"] img {
  object-fit: contain;
  padding: clamp(20px, 3vw, 38px);
}
.card:hover .card-media img { transform: scale(1.06); }
.card-media[data-fit="contain"]:hover img { transform: translateY(-6px); }
.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 5, 15, 0.78), transparent 58%);
}
.card-media[data-fit="contain"]::after { background: none; }
.card-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 1;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #dcd4f7;
  background: rgba(12, 8, 32, 0.72);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
}

.card-body { padding: clamp(20px, 2.4vw, 28px); display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 1.08rem; }
.card-en { margin-top: 6px; font-size: 9.5px; letter-spacing: 0.16em; color: var(--dim); text-transform: uppercase; }
.card-desc { margin-top: 14px; font-size: 0.87rem; line-height: 1.9; color: var(--muted); font-weight: 300; flex: 1; }
.card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.card-specs li {
  padding: 4px 11px;
  border-radius: 6px;
  font-size: 0.72rem;
  color: var(--text-2);
  background: rgba(122, 77, 255, 0.12);
  border: 1px solid rgba(166, 135, 255, 0.2);
}

.details {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 20px);
  margin-top: clamp(30px, 4vw, 52px);
}
.detail {
  margin: 0;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease), background-color 0.5s var(--ease);
}
.detail:hover { transform: translateY(-5px); border-color: rgba(166, 135, 255, 0.36); background: rgba(122, 77, 255, 0.07); }
.detail-media {
  display: grid;
  place-items: center;
  height: 108px;
  margin-bottom: 18px;
}
.detail-media img {
  max-height: 100%;
  width: auto;
  max-width: 88%;
  object-fit: contain;
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, 0.55));
}
.detail-title { display: block; font-size: 0.9rem; }
.detail-en { display: block; margin-top: 6px; font-size: 9px; letter-spacing: 0.16em; color: var(--dim); text-transform: uppercase; }
.detail-note {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 22px 20px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}
.detail-note p { font-size: 0.85rem; color: var(--text-2); line-height: 1.7; }
.detail-note-en { font-size: 8.5px !important; letter-spacing: 0.14em; color: var(--dim) !important; text-transform: uppercase; }

/* ------------------------------------------------------------- equalizer */
.section-eq {
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 82% 8%, rgba(122, 77, 255, 0.2), transparent 62%),
    radial-gradient(70% 60% at 0% 92%, rgba(245, 130, 31, 0.1), transparent 62%),
    linear-gradient(180deg, #0a0618, #0d0722 50%, #0a0618);
}
.eq-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.eq-tex {
  position: absolute;
  right: -12%;
  top: -10%;
  width: 78%;
  height: 130%;
  background: url("../images/bg/texture-streaks.jpg") center / cover no-repeat;
  opacity: 0.24;
  mix-blend-mode: screen;
  mask-image: radial-gradient(60% 60% at 70% 40%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(60% 60% at 70% 40%, #000, transparent 76%);
}

.sec-head-eq { max-width: 900px; }
.eq-sub { margin-top: 14px; font-size: clamp(0.9rem, 1.2vw, 1.05rem); color: var(--text-2); letter-spacing: 0.06em; }
.eq-kicker {
  margin-top: 12px;
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.79rem;
  color: var(--orange-2);
  background: rgba(245, 130, 31, 0.1);
  border: 1px solid rgba(245, 130, 31, 0.28);
}

.eq-top {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}
.eq-lead .lead { color: var(--text-2); }
.eq-figure { position: relative; margin: 0; }
.eq-figure img { position: relative; z-index: 1; width: 100%; height: auto; animation: float 11s ease-in-out infinite; }
.eq-halo {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 82%;
  height: 74%;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(245, 130, 31, 0.3), transparent 72%);
  filter: blur(46px);
}

.eq-features {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(50px, 7vw, 92px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.eq-feature {
  padding: 26px 22px;
  background: rgba(10, 6, 24, 0.72);
  transition: background-color 0.5s var(--ease);
}
.eq-feature:hover { background: rgba(122, 77, 255, 0.12); }
.eq-feature h4 { font-size: 0.95rem; }
.eq-feature-en { margin-top: 6px; font-size: 9px; letter-spacing: 0.14em; color: var(--orange); text-transform: uppercase; }
.eq-feature-desc { margin-top: 12px; font-size: 0.79rem; line-height: 1.75; color: var(--muted); font-weight: 300; }

.eq-compare {
  margin-top: clamp(40px, 5vw, 70px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(8, 5, 18, 0.55);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.cmp-head,
.cmp-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}
.cmp-head {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.cmp-head .cmp-cell {
  padding: 16px clamp(16px, 2vw, 28px);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: 600;
}
.cmp-head .cmp-eq { color: var(--orange); }
.cmp-row { border-bottom: 1px solid rgba(255, 255, 255, 0.055); }
.cmp-row:last-of-type { border-bottom: 0; }
.cmp-row:hover { background: rgba(255, 255, 255, 0.022); }
.cmp-cell { padding: clamp(18px, 2.2vw, 26px) clamp(16px, 2vw, 28px); min-width: 0; }
.cmp-metric { display: flex; flex-direction: column; gap: 5px; }
.cmp-name { font-size: 0.93rem; color: var(--text); }
.cmp-en { font-size: 9px; letter-spacing: 0.13em; color: var(--dim); text-transform: uppercase; }
.cmp-std .cmp-value { color: var(--dim); font-variant-numeric: tabular-nums; }
.cmp-eq .cmp-value { color: var(--orange-2); }
.cmp-value { display: block; font-size: clamp(1.05rem, 1.7vw, 1.4rem); font-weight: 600; letter-spacing: -0.02em; }
.cmp-bar {
  display: block;
  margin-top: 12px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.cmp-bar i {
  display: block;
  height: 100%;
  width: var(--w);
  border-radius: inherit;
  transition: width 1.3s var(--ease-out) 0.25s;
}
.js .cmp-bar i { width: 0; }
.cmp-std .cmp-bar i { background: linear-gradient(90deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.45)); }
.cmp-eq .cmp-bar i { background: linear-gradient(90deg, var(--violet), var(--orange)); box-shadow: 0 0 12px rgba(245, 130, 31, 0.6); }
.eq-compare.is-in .cmp-bar i { width: var(--w); }

.cmp-source {
  padding: 16px clamp(16px, 2vw, 28px) 20px;
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------------------------------------------------------------- plants */
.plants {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 26px);
}
.plant {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  overflow: hidden;
  transition: transform 0.6s var(--ease), border-color 0.6s var(--ease);
}
.plant:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.plant-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.plant-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.3s var(--ease); }
.plant:hover .plant-media img { transform: scale(1.05); }
.plant-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(8, 5, 15, 0.5), transparent 36%),
    linear-gradient(to top, rgba(8, 5, 15, 0.85), transparent 60%);
}
.plant-index {
  position: absolute;
  right: 18px;
  top: 14px;
  z-index: 1;
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: rgba(255, 255, 255, 0.34);
  text-shadow: 0 2px 16px rgba(8, 5, 15, 0.9), 0 1px 3px rgba(8, 5, 15, 0.95);
}
.plant-body { padding: clamp(20px, 2.4vw, 28px); }
.plant-body h3 { font-size: 1.12rem; }
.plant-en { margin-top: 5px; font-size: 9.5px; letter-spacing: 0.18em; color: var(--dim); text-transform: uppercase; }
.plant-desc { margin-top: 14px; font-size: 0.86rem; line-height: 1.85; color: var(--muted); font-weight: 300; }
.plant-meta {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.meta-label { display: block; font-size: 9.5px; letter-spacing: 0.16em; color: var(--dim); text-transform: uppercase; }
.meta-value { display: block; margin-top: 6px; font-size: 0.9rem; color: var(--text); }
.meta-cap { font-size: 1.05rem; font-weight: 600; color: var(--orange-2); display: flex; align-items: baseline; gap: 5px; }
.meta-cap em { font-size: 0.68rem; font-weight: 400; color: var(--dim); letter-spacing: 0.04em; }

.gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 20px);
  margin-top: clamp(30px, 4vw, 52px);
}
.gallery-item { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 1.3s var(--ease);
}
.gallery-item:hover img { transform: scale(1.07); }
.gallery-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 26px 18px 16px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-2);
  background: linear-gradient(to top, rgba(8, 5, 15, 0.94) 12%, transparent);
}

/* --------------------------------------------------------------- quality */
.rd {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
  padding-bottom: clamp(40px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.rd-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.rd-figure img { width: 100%; height: clamp(260px, 38vh, 420px); object-fit: cover; }
.rd-copy h3,
.sys .sub-title,
.flow .sub-title,
.labs .sub-title,
.certs .sub-title {
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
}

.tick-list { display: grid; gap: 18px; margin-top: 26px; }
.tick-list li {
  position: relative;
  padding-left: 34px;
  font-size: 0.89rem;
  line-height: 1.95;
  color: var(--muted);
  font-weight: 300;
}
.tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(245, 130, 31, 0.14);
  border: 1px solid rgba(245, 130, 31, 0.5);
}
.tick-list li::after {
  content: "";
  position: absolute;
  left: 5.5px;
  top: 0.95em;
  width: 5px;
  height: 2px;
  border-left: 1.5px solid var(--orange);
  border-bottom: 1.5px solid var(--orange);
  transform: rotate(-45deg);
}

.sys { padding: clamp(40px, 5vw, 72px) 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.sys-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); }
.sys-card {
  padding: clamp(22px, 2.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease), background-color 0.5s var(--ease);
}
.sys-card:hover { transform: translateY(-5px); border-color: rgba(166, 135, 255, 0.4); background: rgba(122, 77, 255, 0.07); }
.sys-tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 6px;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--orange-2);
  background: rgba(245, 130, 31, 0.1);
  border: 1px solid rgba(245, 130, 31, 0.24);
}
.sys-card h4 { margin-top: 16px; font-size: 1rem; }
.sys-card p { margin-top: 10px; font-size: 0.84rem; line-height: 1.85; color: var(--muted); font-weight: 300; }

.flow { padding: clamp(40px, 5vw, 72px) 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.flow-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); position: relative; }
.flow-card {
  position: relative;
  padding: clamp(22px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-top: 2px solid rgba(122, 77, 255, 0.6);
  border-radius: 0 0 var(--radius) var(--radius);
  background: linear-gradient(180deg, rgba(122, 77, 255, 0.09), rgba(255, 255, 255, 0.012));
  transition: transform 0.5s var(--ease), border-top-color 0.5s var(--ease);
}
.flow-card:hover { transform: translateY(-5px); border-top-color: var(--orange); }
.flow-code {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.flow-card h4 { margin-top: 10px; font-size: 0.98rem; }
.flow-card ul { margin-top: 14px; display: grid; gap: 10px; }
.flow-card li {
  position: relative;
  padding-left: 14px;
  font-size: 0.79rem;
  line-height: 1.8;
  color: var(--muted);
  font-weight: 300;
}
.flow-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(166, 135, 255, 0.7);
}

.labs { padding: clamp(40px, 5vw, 72px) 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.lab-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); }
.lab-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease);
}
.lab-list li:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.lab-list img {
  width: 62px;
  height: 62px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  filter: saturate(0.85);
}
.lab-name { display: block; font-size: 0.86rem; }
.lab-cn { display: block; margin-top: 6px; font-size: 9px; letter-spacing: 0.12em; color: var(--dim); text-transform: uppercase; line-height: 1.5; }

.certs { padding-top: clamp(40px, 5vw, 72px); }
.cert-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); }
.cert {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: transform 0.55s var(--ease), border-color 0.55s var(--ease);
}
.cert:hover { transform: translateY(-5px); border-color: rgba(245, 130, 31, 0.36); }
.cert img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  background: #f4f5f8;
  transition: transform 1.2s var(--ease);
}
.cert:hover img { transform: scale(1.04); }
.cert figcaption { padding: 16px 18px 18px; border-top: 1px solid var(--line); }
.cert-name { display: block; font-size: 0.88rem; }
.cert-kind { display: block; margin-top: 5px; font-size: 0.75rem; color: var(--dim); }

/* -------------------------------------------------------------- partners */
.section-partners { overflow: hidden; }
.p-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2vw, 24px); }
.p-group {
  padding: clamp(22px, 2.6vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.p-group h4 { font-size: 1.05rem; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.p-group h4 em { font-size: 9.5px; letter-spacing: 0.18em; color: var(--dim); font-weight: 600; }
.p-group p { margin-top: 12px; font-size: 0.86rem; line-height: 1.85; color: var(--muted); font-weight: 300; }

.marquee {
  position: relative;
  margin-top: clamp(36px, 5vw, 64px);
  padding: clamp(22px, 3vw, 34px) 0;
  background: #f6f7fa;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: clamp(46px, 6vw, 86px);
  width: max-content;
  animation: marquee 46s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { display: flex; align-items: center; justify-content: center; height: 62px; flex-shrink: 0; }
.marquee-item img {
  max-height: 46px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  filter: grayscale(1) contrast(0.9);
  opacity: 0.62;
  transition: filter 0.5s var(--ease), opacity 0.5s var(--ease);
}
.marquee-item:hover img { filter: none; opacity: 1; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --------------------------------------------------------------- contact */
.section-contact {
  background: linear-gradient(180deg, transparent, rgba(122, 77, 255, 0.07));
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: start;
}
.contact-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.contact-item { padding: clamp(22px, 2.6vw, 32px); background: #0a0716; }
.contact-label { display: block; font-size: 9.5px; letter-spacing: 0.18em; color: var(--dim); text-transform: uppercase; }
.contact-value { margin-top: 14px; font-size: 1rem; line-height: 1.7; }
.contact-value a { border-bottom: 1px solid rgba(245, 130, 31, 0.4); transition: color 0.4s var(--ease), border-color 0.4s var(--ease); }
.contact-value a:hover { color: var(--orange-2); border-color: var(--orange); }
.contact-sub { margin-top: 8px; font-size: 0.78rem; line-height: 1.75; color: var(--dim); font-weight: 300; }

.contact-card {
  padding: clamp(26px, 3vw, 38px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(166, 135, 255, 0.24);
  background: linear-gradient(160deg, rgba(122, 77, 255, 0.18), rgba(245, 130, 31, 0.07) 72%, rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}
.cc-eyebrow { font-size: 10.5px; letter-spacing: 0.24em; color: var(--orange); text-transform: uppercase; }
.contact-card h3 { margin-top: 14px; font-size: clamp(1.25rem, 2vw, 1.6rem); }
.cc-desc { margin: 14px 0 26px; font-size: 0.87rem; line-height: 1.9; color: var(--text-2); font-weight: 300; }
.cc-list { margin-top: 26px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.12); display: grid; gap: 12px; }
.cc-list li { display: flex; gap: 14px; font-size: 0.85rem; color: var(--text); }
.cc-list li span { flex: 0 0 62px; font-size: 0.75rem; letter-spacing: 0.1em; color: var(--dim); }

/* ---------------------------------------------------------------- footer */
.footer {
  position: relative;
  border-top: 1px solid var(--line);
  background: #06040c;
  padding-top: clamp(48px, 6vw, 76px);
  z-index: 1;
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.3fr);
  gap: clamp(28px, 4vw, 60px);
  padding-bottom: clamp(36px, 5vw, 56px);
}
.footer-logo { height: 34px; width: auto; }
.footer-motto { margin-top: 22px; font-size: 0.92rem; color: var(--text-2); letter-spacing: 0.16em; }
.footer-motto-en { margin-top: 6px; font-size: 10px; letter-spacing: 0.28em; color: var(--dim); }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { font-size: 0.87rem; color: var(--muted); transition: color 0.35s var(--ease), transform 0.35s var(--ease); width: fit-content; }
.footer-nav a:hover { color: var(--orange-2); transform: translateX(4px); }
.footer-contact { font-size: 0.85rem; color: var(--muted); line-height: 2; font-weight: 300; }
.footer-contact a { color: var(--text-2); border-bottom: 1px solid rgba(255, 255, 255, 0.18); }
.footer-contact a:hover { color: var(--orange-2); border-color: var(--orange); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  padding-block: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--dim);
}

.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 75;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(12, 8, 32, 0.82);
  backdrop-filter: blur(10px);
  color: var(--text);
  opacity: 0;
  transform: translateY(14px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), background-color 0.4s var(--ease);
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--orange); color: #1b1005; }
.to-top svg { width: 18px; height: 18px; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1180px) {
  .rail { display: none; }
  .equip-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .eq-features { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-burger { display: block; }
  .nav-cta { display: none; }
  .mobile-menu { display: block; }
  .nav-inner { justify-content: space-between; }

  .hero { min-height: auto; padding-top: 150px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 620px; }
  .hero-lead { max-width: 60ch; }
  .scroll-cue { display: none; }

  .about-grid { grid-template-columns: 1fr; }
  .about-figure { position: static; order: -1; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .eq-top { grid-template-columns: 1fr; }
  .eq-figure { max-width: 640px; }
  .plants { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rd { grid-template-columns: 1fr; }
  .rd-figure { max-width: 640px; }
  .sys-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lab-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cert-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  body { font-size: 15px; }
  .stats { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .details { grid-template-columns: 1fr; }
  .detail-media { height: 92px; }
  .plants { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .sys-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .lab-list { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .equip-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .eq-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .p-groups { grid-template-columns: 1fr; }
  .contact-list { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .cmp-head, .cmp-row { grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr) minmax(0, 0.72fr); }
  .cmp-head .cmp-cell { font-size: 9px; letter-spacing: 0.1em; }
  .cmp-name { font-size: 0.85rem; }
  .cmp-value { font-size: 0.98rem; }
  .marquee-item { height: 52px; }
  .marquee-item img { max-height: 38px; max-width: 140px; }
  .to-top { right: 16px; bottom: 16px; }
  .btn { padding: 14px 24px; }
  .hero-ticker { gap: 8px 18px; }
}

@media (max-width: 420px) {
  .cert-grid { grid-template-columns: 1fr; }
  .equip-list { grid-template-columns: 1fr; }
  .eq-features { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------ a11y/motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .cmp-bar i { width: var(--w); }
}

@media print {
  .nav, .rail, .to-top, .scroll-progress, .scroll-cue, .marquee { display: none !important; }
  body { background: #fff; color: #000; }
}