/* ============================================================
   TIMELIN — Foreign Trade Brand Site
   Brand color: Pantone 285 C = #0072CF
   Style: minimal · elegant · premium
   ============================================================ */

:root {
  /* Brand palette — Pantone 285 C = #0072CF (RGB 0,114,207) */
  --brand: #0072cf;
  --brand-600: #005fb0;
  --brand-700: #004a8c;
  --brand-800: #00386d;
  --brand-50: #eaf4fc;
  --brand-100: #d3e8f8;
  --brand-200: #b4d9f5;

  /* Neutrals — 暖中性灰，避免整页发蓝 */
  --ink: #131417;        /* near-black text */
  --ink-2: #3f434b;      /* secondary text */
  --muted: #6e7076;      /* muted */
  --line: #e7e6e2;       /* hairline borders */
  --bg: #fafaf8;
  --bg-soft: #ffffff;
  --bg-wash: linear-gradient(180deg, #f3f3f0 0%, #fafaf8 100%);
  --bg-dark: #0b1220;

  /* Type */
  --font-sans: "Inter", "Helvetica Neue", "Segoe UI", "PingFang SC",
    "Microsoft YaHei", system-ui, -apple-system, Arial, sans-serif;

  /* Spacing / radius */
  --radius: 16px;
  --radius-lg: 26px;
  --maxw: 1440px;
  --shadow-sm: 0 1px 2px rgba(14, 27, 44, .04), 0 8px 22px rgba(14, 27, 44, .06);
  --shadow-md: 0 16px 40px rgba(14, 27, 44, .10);
  --shadow-lg: 0 24px 60px rgba(14, 27, 44, .14);
  --shadow-brand: 0 14px 34px rgba(0, 114, 207, .28);
  --shadow-brand-lg: 0 20px 50px rgba(0, 114, 207, .22);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
/* offset so anchored sections land below the sticky header */
.section-anchor { scroll-margin-top: 100px; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  /* 干净的暖白底：近白微暖，无蓝色偏色 */
  background: linear-gradient(180deg, #ffffff 0%, #fafaf8 60%, #f7f7f4 100%);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* 点阵纹理已移除：高级感来自干净的大面积留白 */

/* subtle animated glow orbs */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: .35;
  z-index: 0;
}
.glow--blue { background: rgba(0,114,207,.35); }
.glow--cyan { background: rgba(143,193,255,.35); }
.glow--sm { width: 260px; height: 260px; }
.glow--md { width: 420px; height: 420px; }
.glow--lg { width: 640px; height: 640px; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding: clamp(72px, 10vw, 140px) 0; position: relative; }
.section--soft {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  position: relative;
}
.section--soft::before,
.section--soft::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--line) 22%, var(--line) 78%, transparent 100%);
  pointer-events: none;
  opacity: .9;
}
.section--soft::before { top: 0; }
.section--soft::after { bottom: 0; }
.section--wash {
  background: linear-gradient(180deg, rgba(243,243,240,.9) 0%, rgba(250,250,248,.45) 100%);
}
.section--dark {
  background:
    radial-gradient(ellipse 900px 700px at 10% 0%, rgba(0,114,207,.18) 0%, transparent 55%),
    radial-gradient(ellipse 700px 500px at 90% 100%, rgba(0,60,120,.22) 0%, transparent 55%),
    var(--bg-dark);
  color: #eaf1fb;
  position: relative;
  overflow: hidden;
}
.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.04) 1px, transparent 0);
  background-size: 28px 28px;
  opacity: .35;
  pointer-events: none;
}

/* section subtle number watermark */
.section-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(220px, 28vw, 420px);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(19,20,23,.06);
  text-stroke: 1px rgba(19,20,23,.06);
  pointer-events: none;
  z-index: 0;
  user-select: none;
  letter-spacing: -.04em;
}
.section--dark .section-watermark { -webkit-text-stroke-color: rgba(255,255,255,.05); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brand);
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(0,114,207,.15);
}
.section--dark .eyebrow {
  color: #8fc1ff;
  border-color: rgba(143,193,255,.25);
  background: rgba(255,255,255,.06);
}
.section--dark .eyebrow::before { background: #8fc1ff; box-shadow: 0 0 0 3px rgba(143,193,255,.15); }

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 650;
  letter-spacing: -.02em;
  line-height: 1.12;
  color: var(--ink);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: #fff; }
.display {
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.02;
  overflow-wrap: break-word;
  hyphens: auto;
}
.display em {
  font-style: normal;
  font-weight: 300;
  color: var(--brand);
}
.h-section {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -.02em;
}
.h-section em {
  font-style: normal;
  font-weight: 300;
  color: var(--brand);
}
.lead {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--ink-2);
  max-width: 60ch;
  overflow-wrap: break-word;
}
.section--dark .lead { color: #c4d4ea; }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  touch-action: manipulation;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out),
    background .3s var(--ease-out), color .3s var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 0%, rgba(255,255,255,.18) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform .5s var(--ease-out);
}
.btn:hover::before { transform: translateX(100%); }
.btn--primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-600) 100%);
  color: #fff;
}
.btn--primary:hover { background: linear-gradient(135deg, var(--brand-600) 0%, var(--brand-700) 100%); transform: translateY(-3px); }
.btn--ghost { background: rgba(255,255,255,.7); color: var(--brand); border-color: var(--brand-100); }
.btn--ghost:hover { border-color: var(--brand); background: var(--brand-50); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--brand); }
.btn--light:hover { transform: translateY(-3px); }
.btn--outline-light { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.4); backdrop-filter: blur(4px); }
.btn--outline-light:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }
.btn--lg { padding: 17px 36px; font-size: 16px; }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(255,255,255,.94);
  border-color: var(--line);
  box-shadow: 0 8px 28px rgba(20, 24, 30, .08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .14em;
  color: var(--ink);
}
.brand img { display: block; height: 64px; width: auto; }
.brand svg { display: block; }
.brand .sub { font-size: 10px; letter-spacing: .22em; color: var(--muted); font-weight: 600; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  position: relative;
  padding: 6px 0;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--brand);
  transition: width .25s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--brand); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px; padding: 8px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle span + span { margin-top: 5px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: clamp(600px, 82vh, 900px);
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transform: scale(1.05);
  will-change: transform;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg,
      rgba(0,30,70,.78) 0%,
      rgba(0,55,110,.55) 40%,
      rgba(0,85,155,.32) 70%,
      transparent 100%
    ),
    linear-gradient(180deg,
      rgba(0,15,45,.22) 0%,
      rgba(0,25,65,.48) 100%
    );
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 180px;
  background: linear-gradient(180deg, transparent 0%, rgba(250,250,247,.55) 70%, var(--bg) 100%);
  z-index: 1;
  pointer-events: none;
}

/* Full-width brand banner strip */
.band {
  width: 100%;
  display: block;
  background: var(--brand);
  line-height: 0;
}
.band img {
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 131;   /* 锁定比例，电脑端零裁切 */
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: clamp(72px, 10vw, 140px) clamp(64px, 8vw, 110px);
}
.hero-copy { max-width: 740px; }
.hero-copy .display { color: #fff; text-shadow: 0 4px 30px rgba(0,30,70,.35); }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-600);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .04em;
  border: 1px solid var(--line);
}
.hero-tag--light {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: rgba(255,255,255,.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero h1 { margin-top: 24px; }
.hero .zh { font-size: clamp(18px,2vw,22px); color: var(--ink-2); font-weight: 500; margin-top: 8px; letter-spacing: .02em; }
.hero .lead { margin-top: 24px; text-shadow: 0 2px 12px rgba(0,30,70,.25); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 52px; flex-wrap: wrap;
}
.hero-stats > div {
  position: relative;
  padding-left: 18px;
}
.hero-stats > div::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  border-radius: 3px;
  background: rgba(255,255,255,.35);
}
.hero-stats .num { font-size: 32px; font-weight: 800; color: #fff; line-height: 1; }
.hero-stats .lab { font-size: 13px; color: rgba(255,255,255,.72); margin-top: 6px; letter-spacing: .02em; }

/* scroll indicator */
.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.8);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.scroll-hint span {
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 13px;
  display: grid;
  place-items: start center;
  padding-top: 8px;
}
.scroll-hint span::after {
  content: "";
  width: 4px; height: 8px;
  background: #fff;
  border-radius: 2px;
  animation: scrollDot 1.8s infinite;
}
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(-8px); } 60% { transform: translateX(-50%) translateY(-4px); } }
@keyframes scrollDot { 0% { opacity: 1; transform: translateY(0); } 60% { opacity: .3; transform: translateY(8px); } 100% { opacity: 0; transform: translateY(12px); } }

/* ---------- HERO — Full-screen poster (Plan A) ---------- */
.hero--poster {
  position: relative;
  height: 100vh;
  height: 100svh; /* iOS/安卓地址栏自适应，避免底部被遮挡 */
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}
.hero-poster-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-poster-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.hero-poster-fade {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 260px;
  background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,.55) 55%, rgba(250,250,248,.95) 100%);
  z-index: 1;
  pointer-events: none;
}
.hero-poster-cta {
  position: relative;
  z-index: 2;
  padding-bottom: 72px;
  text-align: center;
}
.hero-poster-cta .btn {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: #fff;
  border: none;
  font-size: 17px;
  padding: 18px 40px;
  box-shadow: none;
}
.hero-poster-cta .btn:hover {
  background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
  transform: translateY(-3px);
}

/* 海报首屏移动端：降低最小高度、按钮缩小、隐藏桌面滚动提示 */
@media (max-width: 760px) {
  .hero--poster { min-height: 480px; }
  .hero-poster-bg img { object-position: center 30%; }
  .hero-poster-cta { padding-bottom: 48px; }
  .hero-poster-cta .btn { font-size: 15px; padding: 14px 30px; }
  .hero-poster-fade { height: 180px; }
  .scroll-hint { display: none; }
}
@media (max-width: 400px) {
  .hero--poster { min-height: 430px; }
}

/* Header transparent when at top on pages with poster hero */
.site-header.at-top {
  background: rgba(255,255,255,.45);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: rgba(255,255,255,.25);
}

/* ---------- Trust bar ---------- */
.trustbar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 5;
}
.trustbar .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
  padding-top: 20px; padding-bottom: 20px;
}
.trustbar .label { font-size: 13px; color: var(--muted); letter-spacing: .04em; font-weight: 500; }
.trustbar .pills { display: flex; gap: 10px; flex-wrap: wrap; }

/* trustbar 移动端：居中、标签独占一行、胶囊缩小 */
@media (max-width: 760px) {
  .trustbar .container { justify-content: center; text-align: center; gap: 10px; padding-top: 14px; padding-bottom: 14px; }
  .trustbar .label { width: 100%; font-size: 12px; }
  .trustbar .pills { justify-content: center; gap: 8px; }
  .trustbar .pill { font-size: 12px; padding: 6px 12px; }
}

/* ---------- Page hero (内页标题区) ---------- */
.page-hero {
  background: linear-gradient(180deg, #f2f2ee 0%, #fafaf8 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero-inner {
  padding: clamp(48px, 7vw, 90px) 0 clamp(40px, 6vw, 72px);
  max-width: 820px;
}
.page-hero-inner .display {
  font-size: clamp(32px, 4.6vw, 56px);
  letter-spacing: -.02em;
}

/* CTA 区 */
.cta-block { text-align: center; padding: 64px 24px 32px; }
.cta-block .lead { max-width: 580px; margin: 16px auto 0; }
.trustbar .pill {
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--brand-600);
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--brand-50);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.trustbar .pill:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,114,207,.12); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: rgba(255,255,255,.96);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-200));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); border-color: var(--brand-100); }
.card:hover::before { transform: scaleX(1); }

.feature .ic {
  width: 54px; height: 54px; border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand-50) 0%, #fff 100%);
  color: var(--brand);
  margin-bottom: 20px;
  border: 1px solid var(--line);
  box-shadow: 0 4px 14px rgba(0,114,207,.08);
}
.feature h3 { font-size: 19px; }
.feature p { color: var(--ink-2); font-size: 15px; margin: 0; }

/* advantages (dark) */
.adv-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .35s var(--ease-out), background .35s var(--ease-out), border-color .35s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #8fc1ff, rgba(143,193,255,.2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.adv-card:hover { transform: translateY(-7px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.adv-card:hover::before { transform: scaleX(1); }
.adv-card .ic {
  width: 54px; height: 54px; border-radius: 15px;
  background: rgba(143,193,255,.14); color: #acd0ff;
  display: grid; place-items: center; margin-bottom: 20px;
  border: 1px solid rgba(143,193,255,.18);
}
.adv-card h3 { color: #fff; font-size: 18px; }
.adv-card .zh { color: #9fb6d6; font-size: 13px; letter-spacing: .06em; margin-bottom: 8px; }
.adv-card p { color: #c4d4ea; font-size: 14px; margin: 0; }

/* ---------- Nav dropdown (P0-1) ---------- */
.nav-links .has-dropdown { position: relative; }
.nav-links .caret { transition: transform .25s var(--ease); opacity: .6; }
.nav-links .has-dropdown:hover .caret { transform: rotate(180deg); opacity: 1; }

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 560px;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out), visibility .3s;
  z-index: 60;
}
.nav-dropdown::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px;
  background: rgba(255,255,255,.98);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.nav-links .has-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.nd-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.nd-item:hover { background: var(--brand-50); transform: translateX(3px); }
.nd-thumb {
  width: 48px; height: 48px;
  flex: 0 0 48px;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f2 100%);
  border: 1px solid var(--line);
}
.nd-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 3px; }
.nd-en { font-size: 13px; font-weight: 650; color: var(--ink); line-height: 1.2; }
.nd-zh { font-size: 11px; color: var(--muted); margin-top: 2px; }
.nd-more {
  display: block;
  text-align: center;
  margin-top: 8px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  border-top: 1px solid var(--line);
  transition: color .2s var(--ease);
}
.nd-more:hover { color: var(--brand-700); }

/* mobile: dropdown becomes inline */
@media (max-width: 860px) {
  .nav-dropdown {
    display: none; /* 移动端菜单内不展开产品下拉，Products 直接跳 products.html */
  }
  .has-dropdown .caret { display: none; }
}

/* ---------- Detail CTA enhancement (P0-3) ---------- */
.detail-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.detail-cta .detail-quote { flex: 1; min-width: 200px; }
.detail-cta-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .02em;
}
.btn--wa {
  background: #25d366;
  color: #fff;
}
.btn--wa:hover {
  background: #1eb858;
  transform: translateY(-3px);
}
.btn--wa svg { flex: 0 0 18px; }
.btn--wechat {
  background: #07c160;
  color: #fff;
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.btn--wechat:hover {
  background: #06ad56;
  color: #fff;
  transform: translateY(-3px);
}
.btn--wechat svg { flex: 0 0 18px; }
.pd-wechat-wrap { position: relative; display: inline-flex; }
.pd-wechat-pop {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  z-index: 60;
  width: 176px;
  background: #fff;
  border: 1px solid #e5e8ee;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(19, 20, 23, 0.14);
  padding: 14px 14px 12px;
  text-align: center;
}
.pd-wechat-pop img {
  width: 144px;
  height: 144px;
  object-fit: contain;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
  background: #f4f6f9;
}
.pd-wechat-cap {
  font-size: 12px;
  color: #6E7076;
  line-height: 1.55;
  margin-top: 8px;
}

/* ---------- Product cards ---------- */
.prod-card {
  position: relative;
  background: rgba(255,255,255,.98);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px 26px;
  overflow: hidden;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s var(--ease-out);
  display: flex;
  flex-direction: column;
}
.prod-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--brand-200) 0%, transparent 40%, transparent 60%, var(--brand-100) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .35s var(--ease-out);
  pointer-events: none;
}
.prod-card:hover { transform: translateY(-7px) scale(1.01); box-shadow: var(--shadow-md); border-color: var(--brand-100); }
.prod-card:hover::after { opacity: 1; }
.prod-card .no {
  position: absolute; top: 18px; right: 20px;
  font-size: 12px; font-weight: 800; color: var(--brand-100); letter-spacing: .08em;
}
.prod-card .glyph {
  width: 60px; height: 60px; border-radius: 16px;
  background: linear-gradient(135deg, var(--brand-50) 0%, #fff 100%);
  color: var(--brand);
  display: grid; place-items: center; margin-bottom: 20px;
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(0,114,207,.08);
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.prod-card:hover .glyph { transform: scale(1.08) rotate(-3deg); box-shadow: 0 8px 24px rgba(0,114,207,.14); }
.prod-card h3 { font-size: 18px; margin-bottom: 3px; }
.prod-card .zh { color: var(--muted); font-size: 13px; letter-spacing: .04em; }
.prod-card .cat-tag {
  display: inline-flex; margin-top: auto; padding-top: 16px;
  font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand); background: var(--brand-50);
  padding: 5px 12px; border-radius: 999px;
  align-self: flex-start;
}

/* real product gallery cards (.prod-grid) */
.prod-grid { grid-template-columns: repeat(4, 1fr); }
.prod-grid .prod-card { padding: 14px 14px 16px; text-align: left; }
.prod-media {
  position: relative;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f2 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
}
.prod-media::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 82% 0%, rgba(255,255,255,.65), transparent 50%);
  pointer-events: none;
}
.prod-media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 10px;
  transition: transform .45s var(--ease-out);
}
.prod-card:hover .prod-media img { transform: scale(1.06); }
.prod-meta {
  padding: 10px 6px 2px;
  text-align: left;
}
.prod-line1 {
  font-family: "Noto Sans SC", "Source Han Sans SC", "MiSans", "HarmonyOS Sans SC",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: #131417;
  line-height: 1.35;
  letter-spacing: .01em;
}
.prod-code {
  font-family: inherit;
  font-size: inherit;
  font-weight: 800;
  color: #131417;
}
.prod-en {
  font-family: "Noto Sans SC", "Source Han Sans SC", "MiSans", "HarmonyOS Sans SC",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  color: #6e7076;
  margin-top: 2px;
}
.prod-spec {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 9px;
  margin-top: auto;
}
.prod-ctn {
  margin-top: 5px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: .02em;
}
@media (max-width: 1100px) { .prod-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px)  { .prod-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 440px)  { .prod-grid { grid-template-columns: 1fr; } }

/* product filters */
.filters {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px;
  padding: 8px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  border-radius: 999px;
  width: fit-content;
  margin-inline: auto;
  backdrop-filter: blur(8px);
}
.filter-btn {
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  padding: 9px 20px; border-radius: 999px;
  border: 1px solid transparent; background: transparent; cursor: pointer;
  transition: all .25s var(--ease-out);
}
.filter-btn:hover { color: var(--brand); background: rgba(0,114,207,.05); }
.filter-btn.active { background: var(--brand); color: #fff; border-color: var(--brand); box-shadow: 0 4px 14px rgba(0,114,207,.25); }
.filter-btn.active:hover { background: var(--brand-600); }

/* ---------- About / Story ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.about-quote {
  margin-top: 24px;
  padding-left: 20px;
  border-left: 3px solid var(--brand);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--ink-2);
}
.about-quote p { margin: 0 0 6px; }
.about-quote p:last-child { margin-bottom: 0; }
.about-quote strong { color: var(--brand); font-weight: 600; }

.about-photo {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.about-photo img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  aspect-ratio: 3 / 4;
  transition: transform .6s var(--ease-out);
}
.about-photo:hover img { transform: scale(1.02); }

.about-visual {
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, #f5f5f2, #ebebe6);
  min-height: 440px;
  position: relative; overflow: hidden;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.about-visual::before {
  content: "";
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent 0%, rgba(0,114,207,.08) 25%, transparent 50%);
  animation: rotate 12s linear infinite;
}
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.about-visual .ring {
  position: absolute; border-radius: 50%; border: 1px solid rgba(0,114,207,.16);
}
.about-visual img { position: relative; z-index: 1; filter: drop-shadow(0 16px 40px rgba(0,30,70,.12)); }
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 8px; }
.stat {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; background: #fff;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.stat .num { font-size: 36px; font-weight: 800; color: var(--brand); line-height: 1; }
.stat .lab { font-size: 14px; color: var(--ink-2); margin-top: 8px; }

.value-list { display: grid; gap: 14px; margin-top: 26px; }
.value-list li {
  list-style: none; display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
}
.value-list .dot { color: var(--brand); font-weight: 800; }

/* timeline */
.timeline { position: relative; margin-top: 40px; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--brand), var(--brand-100));
}
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item::before {
  content: ""; position: absolute; left: -28px; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
}
.tl-item .yr { font-weight: 700; color: var(--brand); font-size: 15px; }
.tl-item h4 { margin: 4px 0 4px; font-size: 17px; }
.tl-item p { color: var(--ink-2); margin: 0; font-size: 15px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; }
.form-card {
  background: rgba(255,255,255,.98); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.form-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--brand-200));
}
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 12px;
  font: inherit; color: var(--ink); background: #fff;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--brand-200); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-50);
  transform: translateY(-1px);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 6px; }
.form-success {
  display: none; align-items: center; gap: 12px;
  background: #eaf6ee; border: 1px solid #bfe6cb; color: #1f7a3d;
  padding: 14px 16px; border-radius: 12px; margin-bottom: 20px; font-size: 14px;
}
.form-success.show { display: flex; }

.info-card {
  background:
    radial-gradient(ellipse 500px 400px at 0% 0%, rgba(0,114,207,.2) 0%, transparent 60%),
    var(--bg-dark);
  color: #eaf1fb;
  border-radius: var(--radius-lg); padding: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.info-card h3 { color: #fff; font-size: 24px; }
.info-row { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.10); transition: background .2s var(--ease); }
.info-row:last-child { border-bottom: 0; }
.info-row .ic {
  width: 46px; height: 46px; flex: 0 0 46px; border-radius: 13px;
  background: rgba(143,193,255,.14); color: #acd0ff; display: grid; place-items: center;
  border: 1px solid rgba(143,193,255,.16);
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.info-row:hover .ic { transform: scale(1.08); background: rgba(143,193,255,.22); }
.info-row .k { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: #9fb6d6; }
.info-row .v { font-size: 16px; font-weight: 600; color: #fff; }
.info-row a.v:hover { color: #8fc1ff; }

.qr-wrap { display: flex; gap: 20px; margin-top: 28px; }
.qr {
  flex: 1; text-align: center; background: #fff; border-radius: 16px;
  padding: 18px 12px; border: 1px solid var(--line);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.qr:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.qr img {
  width: 150px; height: 150px; object-fit: contain;
  display: block; margin: 0 auto 10px; border-radius: 10px;
}
.qr .cap { font-size: 13px; color: var(--ink-2); font-weight: 700; letter-spacing: .04em; }

/* ---------- Footer ---------- */
.site-footer {
  background:
    radial-gradient(ellipse 800px 500px at 50% 0%, rgba(0,114,207,.12) 0%, transparent 55%),
    var(--bg-dark);
  color: #c4d4ea;
  padding: 72px 0 32px;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(143,193,255,.4) 50%, transparent 100%);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  position: relative;
  z-index: 1;
}
.site-footer .brand { color: #fff; }
.site-footer .brand .sub { color: #8fa6c4; }
.footer-about p { color: #9fb6d6; font-size: 14px; margin-top: 16px; max-width: 36ch; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-col a { color: #9fb6d6; font-size: 14px; transition: color .2s var(--ease), transform .2s var(--ease); display: inline-block; }
.footer-col a:hover { color: #8fc1ff; transform: translateX(3px); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap; padding-top: 28px;
  font-size: 13px; color: #7e93b3;
  position: relative;
  z-index: 1;
}
.footer-bottom .legal a { color: #9fb6d6; margin-left: 18px; }
.footer-bottom .legal a:hover { color: #8fc1ff; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="80"] { transition-delay: 80ms; }
.reveal[data-delay="160"] { transition-delay: 160ms; }
.reveal[data-delay="240"] { transition-delay: 240ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .story-grid { gap: 18px; }
  .story-card { padding: 22px; }
}
@media (max-width: 860px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; top: 88px; left: 0; right: 0;
    background: #fff; padding: 16px 24px 24px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
  }
  .nav-links.open a { padding: 10px 0; }

  /* 手机上条幅改为固定高度，避免比例锁定后过扁 */
  .band img { height: 76px; aspect-ratio: auto; object-fit: cover; }
  .split, .about-split, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: clamp(420px, 72vh, 700px); }
  .hero-content { padding-block: clamp(48px, 8vw, 80px); }
  .display { font-size: clamp(30px, 6vw, 52px); }
  .hero-copy .display { font-size: clamp(28px, 6.5vw, 48px); line-height: 1.1; }
  .about-visual { min-height: 280px; }
  .hero-stats .num { font-size: 24px; }
  .hero-stats .lab { font-size: 12px; }
  .about-photo { order: -1; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .stat-row { grid-template-columns: 1fr; }
  .container { padding-inline: 24px; }
  .form-card { padding: 24px; }
  .info-card { padding: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; text-align: center; white-space: normal; }
  .hero-content { padding-block: clamp(40px, 10vw, 64px); padding-inline: 28px; }
  .display { font-size: clamp(26px, 8.5vw, 42px); letter-spacing: -.01em; }
  .hero-copy .display { font-size: clamp(24px, 8.2vw, 38px); line-height: 1.12; }
  .h-section { font-size: clamp(24px, 6vw, 32px); }
  .lead { font-size: 15px; }
  .band img { height: 60px; }
  .qr-wrap { flex-direction: column; }
  .qr .box, .qr img { width: 120px !important; height: 120px !important; }
  .site-header { position: sticky; }
  .nav { height: 72px; }
  html { scroll-padding-top: 80px; }
  .section-anchor { scroll-margin-top: 80px; }
  .story-grid { grid-template-columns: 1fr; }
  .story-card { padding: 22px; }
  .story { font-size: 16px; }
}

/* ============================================================
   PRODUCT 3-LAYER NAVIGATION (品类 → 产品 → 详情)
   ============================================================ */
.prod-layer { display: block; }
.prod-layer[hidden] { display: none !important; }

/* breadcrumb + back */
.prod-crumbs {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 13px; color: var(--muted); margin-bottom: 26px;
}
.prod-crumbs a { color: var(--brand); font-weight: 600; cursor: pointer; }
.prod-crumbs a:hover { color: var(--brand-700); }
.prod-crumbs .sep { color: var(--line); }
.prod-crumbs .cur { color: var(--ink-2); font-weight: 600; }
.prod-back {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); color: var(--ink-2);
  padding: 10px 18px; border-radius: 999px; font-weight: 600; font-size: 14px;
  cursor: pointer; margin-bottom: 26px;
  transition: all .25s var(--ease-out);
}
.prod-back:hover { border-color: var(--brand); color: var(--brand); transform: translateX(-3px); }

/* ---------- Bento Grid (homepage featured categories) ---------- */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 280px 280px;
  gap: 20px;
}
.bento-card {
  position: relative;
  display: block;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  cursor: pointer;
  background: #fff;
  border: 1px solid rgba(0,0,0,.06);
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out), border-color .4s var(--ease-out);
}
.bento-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,.12);
  border-color: rgba(0,0,0,.1);
}
.bento-card--large {
  grid-column: 1;
  grid-row: 1 / 3;
}
.bento-card--top {
  grid-column: 2 / 4;
  grid-row: 1;
}
.bento-card--bl {
  grid-column: 2;
  grid-row: 2;
}
.bento-card--br {
  grid-column: 3;
  grid-row: 2;
}
.bento-media {
  position: absolute;
  inset: 0;
}
.bento-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .7s var(--ease-out);
}
.bento-card:hover .bento-media img {
  transform: scale(1.05);
}
.bento-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.08) 45%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}
.bento-text {
  position: absolute;
  top: 0;
  left: 0;
  padding: 26px 24px;
  color: #fff;
  pointer-events: none;
}
.bento-label {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
  line-height: 1.15;
  text-shadow: 0 2px 12px rgba(0,0,0,.4), 0 1px 3px rgba(0,0,0,.3);
}
.bento-zh {
  font-size: 13px;
  font-weight: 500;
  opacity: .9;
  margin-top: 5px;
  letter-spacing: .04em;
  text-shadow: 0 1px 6px rgba(0,0,0,.35);
}
.bento-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  padding: 5px 12px;
  background: #E53935;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 3px;
  pointer-events: none;
  box-shadow: 0 4px 14px rgba(229,57,53,.4);
}

/* Bento responsive */
@media (max-width: 980px) {
  .bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 240px 240px 240px;
    gap: 16px;
  }
  .bento-card--large {
    grid-column: 1;
    grid-row: 1 / 3;
  }
  .bento-card--top {
    grid-column: 2;
    grid-row: 1 / 3;
  }
  .bento-card--bl {
    grid-column: 1;
    grid-row: 3;
  }
  .bento-card--br {
    grid-column: 2;
    grid-row: 3;
  }
}
@media (max-width: 560px) {
  .bento-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 220px);
    gap: 14px;
  }
  .bento-card--large,
  .bento-card--top,
  .bento-card--bl,
  .bento-card--br {
    grid-column: 1;
  }
  .bento-card--large { grid-row: 1; }
  .bento-card--top   { grid-row: 2; }
  .bento-card--bl    { grid-row: 3; }
  .bento-card--br    { grid-row: 4; }
  .bento-label { font-size: 18px; }
}

/* Layer 1 — category grid */
.cat-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(4, 1fr);
}
.cat-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; text-decoration: none; color: inherit;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s var(--ease-out);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--brand-100); }
.cat-media {
  position: relative; aspect-ratio: 1 / 1;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f2 100%);
  border-bottom: 1px solid var(--line); overflow: hidden;
  display: grid; place-items: center;
}
.cat-media img { width: 100%; height: 100%; object-fit: contain; padding: 10px; transition: transform .5s var(--ease-out); }
.cat-card:hover .cat-media img { transform: scale(1.06); }
.cat-body { padding: 16px 18px 18px; }
.cat-en { font-size: 16px; font-weight: 650; color: var(--ink); margin: 0; letter-spacing: -.01em; }
.cat-zh { font-size: 13px; color: var(--muted); margin-top: 3px; }
.cat-count {
  margin-top: 10px; font-size: 11px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--brand); background: var(--brand-50);
  display: inline-block; padding: 4px 10px; border-radius: 999px;
}

/* Layer 2 — product grid (reuses .prod-card from gallery) */
.prod-grid { display: grid; gap: 22px; grid-template-columns: repeat(4, 1fr); }
.prod-grid .prod-card { padding: 14px 14px 16px; text-align: left; }

/* Layer 3 — detail (PARAMETERS 品牌蓝表格版)
   结构: pd-main(白卡: 左图右文) + pd-related(同系列横滑条) */
.pd-main {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: 40px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px; box-shadow: var(--shadow-md);
}
.pd-media { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.pd-big {
  border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f2 100%);
  border: 1px solid var(--line);
}
.pd-big img { width: 100%; height: auto; display: block; }
.pd-thumbs {
  display: flex; gap: 8px; overflow-x: auto; padding: 2px 2px 6px;
  scrollbar-width: thin;
}
.pd-thumb {
  flex: 0 0 62px; width: 62px; height: 62px; padding: 0;
  border-radius: 10px; overflow: hidden; cursor: pointer;
  border: 1px solid var(--line); background: #fff;
  transition: border-color .25s var(--ease);
}
.pd-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.pd-thumb:hover { border-color: var(--brand-200); }
.pd-thumb--cur { border: 2px solid var(--brand); box-shadow: 0 0 0 3px var(--brand-50); }

.pd-cat-tag {
  display: inline-block; padding: 7px 16px; border-radius: 999px;
  background: var(--brand-50); color: var(--brand-600);
  font-weight: 600; font-size: 13px; letter-spacing: .04em;
  border: 1px solid var(--line);
}
.pd-name {
  font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; color: var(--ink);
  margin: 16px 0 4px; letter-spacing: -.01em; line-height: 1.25;
}
.pd-en { font-size: 15px; font-weight: 500; color: var(--ink-2); margin-bottom: 20px; letter-spacing: .02em; }

.pd-params-title {
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink); margin-bottom: 10px;
}
.pd-table { width: 100%; border-collapse: collapse; }
.pd-table th, .pd-table td {
  text-align: left; padding: 12px 14px; font-size: 14px;
  border-bottom: 1px solid var(--line); vertical-align: top;
}
.pd-table tr:last-child th, .pd-table tr:last-child td { border-bottom: none; }
.pd-table th {
  width: 34%; color: var(--brand-600); font-weight: 600;
  background: var(--brand-50);
}
.pd-table td { color: var(--ink-2); line-height: 1.7; }

.pd-related { margin-top: 40px; }
.pd-related-head { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 14px; }
.pd-related-zh { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 8px; }
.pd-related-strip {
  display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px;
  scrollbar-width: thin;
}
.pd-rel-card {
  flex: 0 0 132px; width: 132px; padding: 10px; text-align: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  cursor: pointer; font: inherit;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.pd-rel-card:hover { border-color: var(--brand-200); transform: translateY(-2px); }
.pd-rel-media {
  aspect-ratio: 1 / 1; border-radius: 8px; overflow: hidden;
  background: #fafaf8; margin-bottom: 8px;
}
.pd-rel-media img { width: 100%; height: 100%; object-fit: contain; display: block; }
.pd-rel-code { display: block; font-size: 13px; font-weight: 600; color: var(--ink); }
.pd-rel-zh { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .pd-main { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .pd-table th { width: 40%; }
  .pd-rel-card { flex-basis: 112px; width: 112px; }
  .cat-body { padding: 12px 14px 14px; }
  .cat-en { font-size: 14px; }
  .cat-zh { font-size: 12px; }
}
@media (max-width: 360px) {
  .cat-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Featured 精选大图模式（方案B）
   结构: hero 全宽大卡 + 交错大卡 x2 + 横向滚动小卡行
   ============================================================ */
.feat-area[hidden] { display: none !important; }

/* --- hero 全宽大卡（左文 + 中副图 + 右主图，三栏） --- */
.feat-hero-card {
  position: relative; display: flex;
  align-items: stretch;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: #fff;
  text-decoration: none; color: inherit;
  min-height: 380px;
}
.feat-hero-left {
  flex: 1 1 auto;
  display: flex; flex-direction: column; justify-content: center;
  align-items: flex-start;
  gap: 20px;
  padding: 36px 40px 36px 44px;
  position: relative;
}
.feat-hero-side {
  flex: 0 0 auto;
  width: 320px;
  overflow: hidden;
  background: #f5f7fa;
  display: flex; align-items: center; justify-content: center;
}
.feat-hero-side img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  display: block; transition: transform .8s var(--ease);
}
.feat-hero-card:hover .feat-hero-side img { transform: scale(1.05); }
.feat-hero-media {
  flex: 0 0 auto;
  width: 380px;
  overflow: hidden;
  background: #f5f7fa;
  display: flex; align-items: center; justify-content: center;
}
.feat-hero-media img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  display: block; transition: transform .8s var(--ease);
}
.feat-hero-card:hover .feat-hero-media img { transform: scale(1.05); }
.feat-hero-cap {
  background: var(--brand-800); color: #fff;
  border-radius: 14px; padding: 18px 24px;
  display: inline-block; width: fit-content;
}
.feat-tag {
  display: block; font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: #a8d4f5; margin-bottom: 6px;
}
.feat-hero-title { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; line-height: 1.15; letter-spacing: -.01em; }
.feat-hero-en { font-size: 14px; color: rgba(255,255,255,.78); margin-top: 4px; }
.feat-hero-meta { display: flex; gap: 10px; }
.feat-count, .feat-first {
  background: var(--brand-50); color: var(--brand-700); border-radius: 20px;
  padding: 6px 14px; font-size: 12px; letter-spacing: .03em; font-weight: 600;
}
.feat-hero-btn {
  display: inline-block;
  background: var(--brand); color: #fff; border-radius: 24px;
  padding: 12px 24px; font-size: 13px; font-weight: 600; letter-spacing: .02em;
  transition: background .25s var(--ease), transform .25s var(--ease);
  margin-top: 4px;
}
.feat-hero-card:hover .feat-hero-btn { background: var(--brand-600); transform: translateY(-2px); }

/* --- 第2、3板块：左右并排 --- */
.feat-hero { display: none; }
.feat-rows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.feat-row-card {
  display: flex; align-items: stretch; overflow: hidden;
  border-radius: var(--radius); border: 1px solid var(--line);
  background: #fff; text-decoration: none; color: inherit;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.feat-row-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--brand-100); }
.feat-row-media {
  flex: 0 0 minmax(180px, 40%);
  overflow: hidden;
  background: linear-gradient(135deg, #e8eef6 0%, #f0f4fa 100%);
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1 / 1;
  max-width: 320px;
}
.feat-row-media img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  display: block; transition: transform .7s var(--ease);
}
.feat-row-card:hover .feat-row-media img { transform: scale(1.05); }
.feat-row-info {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  padding: 28px 32px 28px 36px; position: relative;
}
.feat-row-info::before {
  content: ""; position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 52px; border-radius: 2px; background: var(--brand);
}
.feat-row-zh { font-size: clamp(18px, 2vw, 24px); font-weight: 800; letter-spacing: -.01em; color: var(--ink); }
.feat-row-en { font-size: 13px; color: var(--muted); margin-top: 4px; }
.feat-row-meta { font-size: 13px; color: var(--ink-2); margin-top: 14px; }
.feat-row-go {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
  color: var(--brand); font-size: 13px; font-weight: 600; letter-spacing: .02em;
  transition: gap .25s var(--ease);
}
.feat-row-card:hover .feat-row-go { gap: 12px; }

/* --- 横向滚动小卡行 --- */
.feat-strip-head { display: flex; align-items: baseline; justify-content: space-between; margin: 48px 0 18px; }
.feat-strip-title { font-size: 20px; font-weight: 800; color: var(--ink); }
.feat-strip-zh { font-size: 13px; color: var(--muted); margin-left: 8px; font-weight: 400; }
.feat-strip-hint { font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.feat-strip {
  display: flex; gap: 18px; overflow-x: auto;
  scroll-snap-type: x mandatory; padding: 4px 2px 14px;
  scrollbar-width: thin; scrollbar-color: var(--brand-200) transparent;
}
.feat-strip::-webkit-scrollbar { height: 6px; }
.feat-strip::-webkit-scrollbar-track { background: transparent; }
.feat-strip::-webkit-scrollbar-thumb { background: var(--brand-200); border-radius: 3px; }
.feat-mini {
  flex: 0 0 210px; scroll-snap-align: start;
  border-radius: 14px; border: 1px solid var(--line); background: #fff;
  overflow: hidden; text-decoration: none; color: inherit;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.feat-mini:hover { transform: translateY(-5px); box-shadow: var(--shadow-sm); border-color: var(--brand-100); }
.feat-mini-media { aspect-ratio: 1 / 1; overflow: hidden; background: #f2f7fd; }
.feat-mini-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s var(--ease); }
.feat-mini:hover .feat-mini-media img { transform: scale(1.07); }
.feat-mini-body { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 14px; }
.feat-mini-zh { font-size: 13px; font-weight: 600; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.feat-mini-code { flex: none; font-size: 11px; color: var(--brand-700); background: var(--brand-50); border-radius: 6px; padding: 2px 8px; font-weight: 600; }

/* --- 精选大图区响应式 --- */
@media (max-width: 1100px) {
  .feat-hero-card { min-height: 320px; }
  .feat-hero-left { padding: 26px 28px; }
  .feat-hero-side { width: 240px; }
  .feat-hero-media { width: 280px; }
  .feat-rows { grid-template-columns: 1fr 1fr; gap: 16px; }
  .feat-row-media { max-width: 240px; }
  .feat-row-info { padding: 22px 24px 22px 30px; }
  .feat-row-info::before { left: 14px; height: 44px; }
}
@media (max-width: 760px) {
  .feat-hero-card { flex-direction: column; min-height: 0; }
  .feat-hero-left { align-items: center; text-align: center; gap: 16px; padding: 24px; }
  .feat-hero-side { width: 100%; max-width: 320px; height: auto; aspect-ratio: 1 / 1; margin: 0 auto; }
  .feat-hero-media { width: 100%; max-width: 320px; height: auto; aspect-ratio: 1 / 1; margin: 0 auto; }
  .feat-hero-cap { padding: 14px 18px; }
  .feat-hero-meta { padding-top: 0; }
  .feat-hero-btn { margin-top: 2px; }
  .feat-rows { grid-template-columns: 1fr; }
  .feat-row-media { max-width: 100%; aspect-ratio: 1 / 1; }
  .feat-row-info { padding: 20px 22px 20px 34px; }
  .feat-strip-title { font-size: 17px; }
  .feat-mini { flex-basis: 178px; }
}
@media (max-width: 440px) {
  .feat-hero-media { max-width: 280px; }
  .feat-mini { flex-basis: 152px; }
  .feat-hero-meta { display: none; }
}
/* 窄屏：海报大卡改为上下堆叠（图上文下），避免左右各半过挤 */
@media (max-width: 560px) {
  .feat-row-card { flex-direction: column; }
  .feat-row-media { max-width: 100%; width: 100%; aspect-ratio: 1 / 1; }
  .feat-row-info { padding: 18px 20px 22px 34px; }
  .feat-row-info::before { left: 16px; height: 40px; }
  .feat-rows { gap: 16px; }
}

/* ============================================================
   HERO — Ship export edition (replaces old single-column hero)
   ============================================================ */
.hero--ship {
  position: relative;
  overflow: hidden;
  min-height: clamp(640px, 92vh, 1000px);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #061224 0%, #0b1e3a 45%, #102d55 100%);
}
.hero--ship::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 900px 600px at 20% 20%, rgba(0,114,207,.12) 0%, transparent 60%),
    radial-gradient(ellipse 700px 500px at 85% 85%, rgba(0,114,207,.08) 0%, transparent 55%);
  pointer-events: none;
}
.hero--ship::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 200px;
  background: linear-gradient(180deg, transparent 0%, rgba(250,250,248,.35) 60%, var(--bg) 100%);
  z-index: 1; pointer-events: none;
}
.hero-ship-content {
  position: relative; z-index: 2;
  width: 100%; max-width: 1440px; margin: 0 auto;
  padding: 150px 32px 120px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 56px;
}
.hero-ship-text .display {
  color: #fff;
  text-shadow: 0 4px 40px rgba(0,20,50,.45);
  font-size: clamp(34px, 5.2vw, 68px);
  line-height: 1.08;
  margin-top: 22px;
}
.hero-ship-text .display em { color: #4db8ff; font-style: normal; }
.hero-ship-text .zh  { color: rgba(255,255,255,.82); font-size: clamp(17px, 2vw, 22px); font-weight: 500; margin-top: 10px; letter-spacing: .02em; }
.hero-ship-text .lead { color: rgba(255,255,255,.7); margin-top: 22px; font-size: clamp(15px, 1.5vw, 18px); max-width: 480px; line-height: 1.65; }
.hero-ship-text .hero-actions { margin-top: 36px; }
.hero-ship-text .hero-stats { margin-top: 48px; gap: 36px; }
.hero-ship-text .hero-stats .num { color: #fff; font-size: 30px; font-weight: 800; line-height: 1; }
.hero-ship-text .hero-stats .lab { color: rgba(255,255,255,.65); font-size: 13px; margin-top: 6px; letter-spacing: .02em; }

.hero-ship-visual { position: relative; display: flex; justify-content: flex-end; }
.hero-ship-frame {
  position: relative;
  width: 56vw; max-width: 860px;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,10,30,.45), 0 0 0 1px rgba(255,255,255,.06) inset;
  transform: translateX(60px);
  animation: heroFloat 7s ease-in-out infinite;
}
.hero-ship-frame img { width: 100%; height: auto; display: block; object-fit: cover; }

.play-btn {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 72px; height: 72px; border-radius: 50%; border: none;
  background: #fff; color: var(--brand);
  display: grid; place-items: center;
  cursor: pointer; z-index: 3;
  transition: transform .3s var(--ease);
}
.play-btn:hover { transform: translate(-50%, -50%) scale(1.08); }
.play-btn svg { width: 26px; height: 26px; margin-left: 4px; }
.play-ring {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 72px; height: 72px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.55);
  animation: playPulse 2.2s ease-out infinite;
  z-index: 2; pointer-events: none;
}
@keyframes playPulse {
  0% { transform: translate(-50%, -50%) scale(1); opacity: .8; }
  100% { transform: translate(-50%, -50%) scale(2.2); opacity: 0; }
}
@keyframes heroFloat {
  0%, 100% { transform: translateX(60px) translateY(0); }
  50% { transform: translateX(60px) translateY(-14px); }
}

.hero-ship-card {
  position: absolute; left: -24px; bottom: 32px;
  background: #fff; border-radius: 16px;
  padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 12px 40px rgba(0,10,30,.25);
  z-index: 4; max-width: 260px;
}
.play-mini {
  width: 40px; height: 40px; border-radius: 50%; border: none;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; flex-shrink: 0;
  cursor: pointer;
}
.play-mini svg { width: 16px; height: 16px; margin-left: 2px; }
.play-title { font-weight: 700; font-size: 14px; color: var(--ink); }
.play-desc { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* Ship hero responsive */
@media (max-width: 1100px) {
  .hero-ship-content { grid-template-columns: 1fr; gap: 44px; padding-top: 130px; text-align: center; }
  .hero-ship-text .lead { margin-left: auto; margin-right: auto; }
  .hero-ship-visual { justify-content: center; }
  .hero-ship-frame { width: 88vw; max-width: 640px; transform: translateX(0); animation: none; }
  .hero-ship-card { left: 16px; bottom: 16px; }
  .hero-ship-text .hero-stats { justify-content: center; }
}
@media (max-width: 640px) {
  .hero-ship-text .display { font-size: clamp(26px, 8.5vw, 40px); }
  .hero-ship-frame { width: 100%; border-radius: 16px; }
  .play-btn { width: 56px; height: 56px; }
  .play-btn svg { width: 20px; height: 20px; }
  .play-ring { width: 56px; height: 56px; }
  .hero-ship-card { padding: 10px 14px; border-radius: 12px; left: 10px; bottom: 10px; }
  .hero-ship-content { padding: 120px 20px 90px; }
}

/* ---------- Desktop scale-up: 界面在大屏上整体放大，无需手动缩放 ---------- */
@media (min-width: 1440px) and (max-width: 1599px) {
  body { zoom: 1.04; }
}
@media (min-width: 1600px) and (max-width: 1919px) {
  body { zoom: 1.10; }
}
@media (min-width: 1920px) and (max-width: 2199px) {
  body { zoom: 1.18; }
}
@media (min-width: 2200px) {
  body { zoom: 1.28; }
}

/* ============================================================
   PLAN C — centered brand hero + poster banner + parallax CTA
   ============================================================ */

/* Hero: 居中品牌版（覆盖货轮版左右分栏） */
.hero-ship-content--center {
  display: flex;
  justify-content: center;
  text-align: center;
}
.hero-ship-content--center .hero-ship-text { max-width: 760px; }
.hero-ship-content--center .hero-ship-text .lead { margin-left: auto; margin-right: auto; }
.hero-ship-content--center .hero-ship-text .hero-actions { justify-content: center; }
.hero-ship-content--center .hero-ship-text .hero-stats { justify-content: center; }

/* 海报横幅区块：Hero 下方全宽展示好神拖海报 */
.poster-banner {
  background: var(--bg);
  padding: clamp(26px, 4vw, 56px) 0 clamp(10px, 2vw, 24px);
}
.poster-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 40px);
}
.poster-wrap img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 28px 90px rgba(10, 22, 40, .16);
}
@media (max-width: 640px) {
  .poster-wrap img { border-radius: 12px; }
}

/* 底部视差底图 CTA 区块 — JS 驱动 transform 视差
   （比 background-attachment:fixed 可靠：窄窗口、iframe 预览、iOS 全部生效） */
.parallax-cta {
  position: relative;
  overflow: hidden;
  min-height: 86vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(90px, 13vw, 150px) 24px;
  text-align: center;
  background: var(--bg-dark);
}
.parallax-bg {
  position: absolute;
  left: 0;
  right: 0;
  top: -18%;
  bottom: -18%; /* 上下各多出 18%，供视差移动，永不露边 */
  z-index: 0;
  will-change: transform;
}
.parallax-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
}
.parallax-cta::before { /* 深色遮罩层 */
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(rgba(7, 19, 36, .72), rgba(7, 19, 36, .78));
}
.parallax-inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.parallax-cta .display {
  color: #fff;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.12;
  margin-top: 14px;
  text-shadow: 0 4px 40px rgba(0, 20, 50, .45);
}
.parallax-cta .display em { color: #4db8ff; font-style: normal; }

/* 用户系统开启"减少动态效果"时，停用视差 */
@media (prefers-reduced-motion: reduce) {
  .parallax-bg { transform: none !important; }
}

/* ---------- Products 区域间距与暖白层次背景 ---------- */
#products > .section--soft {
  padding: 80px 0 16px;
  background: var(--bg);
}
#products > .section--soft::before { display: none; }
#products > .section--wash {
  padding: 16px 0 80px;
  background: linear-gradient(180deg, #f2f2ee 0%, #f6f6f3 55%, #fafaf8 100%);
}
@media (max-width: 760px) {
  #products > .section--soft { padding: 48px 0 8px; }
  #products > .section--wash { padding: 8px 0 48px; }
}

/* ============================================================
   SITE SEARCH — 导航栏搜索按钮 + 全屏搜索浮层 + 产品页内嵌搜索
   ============================================================ */

/* 导航栏搜索按钮（全站注入 .nav-cta 内，位于 Get a Quote 左侧） */
.nav-search-btn {
  width: 40px; height: 40px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line);
  color: var(--ink-2); cursor: pointer; flex: none;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.nav-search-btn:hover {
  background: var(--brand-50); border-color: var(--brand-200); color: var(--brand-600);
  transform: translateY(-1px);
}
.nav-search-btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* 全屏搜索浮层 */
.search-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(19, 20, 23, .5);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  display: none; align-items: flex-start; justify-content: center;
  padding: 11vh 20px 40px; overflow-y: auto;
}
.search-overlay.open { display: flex; }
.search-panel {
  width: 100%; max-width: 660px; background: #fff;
  border-radius: 18px; box-shadow: var(--shadow-lg);
  overflow: hidden; animation: searchIn .18s ease;
}
@keyframes searchIn {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: none; }
}
.search-bar {
  display: flex; align-items: center; gap: 12px; padding: 4px 18px;
  border-bottom: 1px solid var(--line);
}
.search-bar svg { color: var(--muted); flex: none; }
.search-input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 17px; padding: 17px 0; color: var(--ink);
}
.search-input::placeholder { color: var(--muted); }
.search-close {
  border: 0; background: transparent; color: var(--muted);
  font-size: 26px; line-height: 1; cursor: pointer; padding: 4px 8px;
  border-radius: 8px; flex: none;
}
.search-close:hover { color: var(--ink); background: var(--bg); }
.search-hint {
  font-size: 12px; color: var(--muted); padding: 10px 18px;
  background: var(--bg); border-bottom: 1px solid var(--line);
}

/* 结果列表（浮层与产品页内嵌共用） */
.search-results { max-height: 58vh; overflow-y: auto; padding: 8px; }
.sr-count {
  font-size: 11px; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em; padding: 6px 12px 4px;
}
.sr-card {
  display: flex; align-items: center; gap: 14px; width: 100%;
  text-align: left; background: transparent; border: 0;
  border-radius: 12px; padding: 10px 12px; cursor: pointer; font: inherit;
  transition: background .15s;
}
.sr-card:hover, .sr-card:focus-visible { background: var(--brand-50); }
.sr-media {
  width: 52px; height: 52px; border-radius: 10px; flex: none;
  border: 1px solid var(--line); background: #fff;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.sr-media img { max-width: 100%; max-height: 100%; object-fit: contain; }
.sr-body { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.sr-code { font-weight: 700; font-size: 14px; color: var(--ink); }
.sr-zh { font-size: 13px; color: var(--ink-2); }
.sr-en {
  font-size: 12px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sr-cat { font-size: 11px; color: var(--brand-600); margin-top: 2px; }
.sr-go { color: var(--muted); font-size: 18px; flex: none; }
.sr-card:hover .sr-go { color: var(--brand-600); }
.sr-empty {
  padding: 30px 18px; text-align: center; color: var(--muted);
  font-size: 14px; line-height: 1.8;
}
.sr-empty b { color: var(--ink-2); }

/* 产品页 page-hero 内嵌搜索框 */
.page-search {
  display: flex; align-items: center; gap: 10px;
  max-width: 560px; margin-top: 28px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 4px 8px 4px 16px;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s, box-shadow .2s;
}
.page-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-50), var(--shadow-sm);
}
.page-search svg { color: var(--muted); flex: none; }
.page-search input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 15px; padding: 13px 0; color: var(--ink);
  min-width: 0;
}
.page-search input::placeholder { color: var(--muted); }
.page-search-kbd {
  flex: none; font-size: 11px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 3px 8px; background: var(--bg);
}
.page-search-results {
  max-width: 560px; margin-top: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow-md); overflow: hidden;
}
.page-search-results .search-results { max-height: 46vh; }

/* 响应式 */
@media (max-width: 860px) {
  /* Get a Quote 隐藏时保留搜索按钮，紧贴汉堡按钮 */
  .nav-cta { gap: 10px; }
  .nav-search-btn { width: 36px; height: 36px; }
}
@media (max-width: 760px) {
  .search-overlay { padding: 7vh 12px 30px; }
  .search-input { font-size: 16px; }
  .search-results { max-height: 60vh; }
  .sr-media { width: 44px; height: 44px; }
  .page-search-kbd { display: none; }
  .page-search input { font-size: 14px; }
}
@media (max-width: 440px) {
  .nav-search-btn { width: 34px; height: 34px; }
  .page-search-results { position: relative; }
}