/* =====================================================
   亿基生物 · E-Gene Bio 官网样式
   主色调：森林绿（品牌）+ 青蓝（科技）
   ===================================================== */
:root {
  --brand: #1f8a4c;
  --brand-2: #56ab2f;
  --brand-3: #a8e063;
  --teal: #06b6d4;
  --blue: #2563eb;
  --indigo: #6366f1;
  --amber: #f59e0b;
  --rose: #ec4899;

  --ink-900: #0a1f1c;
  --ink-800: #1f2937;
  --ink-700: #374151;
  --ink-500: #6b7280;
  --ink-300: #9ca3af;
  --ink-100: #f3f4f6;
  --bg: #f8fafb;
  --surface: #ffffff;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15,23,42,.04), 0 1px 2px rgba(15,23,42,.03);
  --shadow: 0 10px 30px rgba(15,23,42,.06), 0 4px 12px rgba(15,23,42,.04);
  --shadow-lg: 0 24px 60px rgba(15,23,42,.10), 0 8px 24px rgba(15,23,42,.06);

  --container: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px; line-height: 1.65;
  color: var(--ink-800); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 56px; }

/* ============ 顶部导航 ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(15,23,42,.06);
}
.nav-inner { display: flex; align-items: center; gap: 18px; min-height: 76px; padding: 10px 0; }
.logo { display: flex; align-items: center; gap: 12px; padding-left: 32px; margin-right: 0; }
.logo img { height: 48px; width: auto; }
.logo .brand-name {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center; line-height: 1.05;
  padding-left: 12px; border-left: 1px solid rgba(15,23,42,.12);
  font-weight: 600; letter-spacing: 1px;
}
.logo .brand-name b {
  font-size: 15px; color: var(--brand-700, #166534); letter-spacing: 2px;
}
.logo .brand-name span {
  font-size: 10px; color: var(--ink-500); letter-spacing: 3px; margin-top: 2px;
}
nav { display: flex; gap: 0; margin-left: auto; flex-wrap: wrap; align-items: center; justify-content: flex-end; }
nav a {
  padding: 7px 11px; border-radius: 999px;
  font-weight: 500; font-size: 13px; color: var(--ink-700);
  transition: all .2s;
  white-space: nowrap;
}
nav a:hover { background: rgba(31,138,76,.08); color: var(--brand); }
nav a.active { background: rgba(31,138,76,.12); color: var(--brand); font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 22px; border-radius: 999px;
  font-weight: 600; font-size: 14px; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 18px rgba(31,138,76,.32);
  transition: transform .15s, box-shadow .2s;
  border: none; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(31,138,76,.42); }
.btn.ghost { background: transparent; color: var(--brand);
  box-shadow: inset 0 0 0 1.5px var(--brand); }
.btn.ghost:hover { background: rgba(31,138,76,.08); }
.btn.lg { padding: 14px 28px; font-size: 15px; }

/* ============ Hero（暗色） ============ */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 600px at 85% 15%, rgba(86,171,47,.28), transparent 60%),
    radial-gradient(900px 500px at 5% 95%, rgba(6,182,212,.22), transparent 60%),
    linear-gradient(135deg, #06281f 0%, #0a3d2e 50%, #0a1f1c 100%);
  color: #fff; padding: 110px 0 120px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(70px);
  pointer-events: none; animation: float 9s ease-in-out infinite;
}
.hero-orb.a { width: 380px; height: 380px; background: #56ab2f; top: -120px; right: -100px; opacity: .55; }
.hero-orb.b { width: 300px; height: 300px; background: #06b6d4; bottom: -100px; left: 8%; opacity: .45; animation-delay: -3s; }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(24px,-24px); } }

.hero-illust {
  position: absolute; right: -60px; top: 50%; transform: translateY(-50%);
  width: 620px; height: 620px; opacity: .35; pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(168,224,99,.14); border: 1px solid rgba(168,224,99,.42);
  color: #d8f5b8; font-size: 12px; font-weight: 700; letter-spacing: 2px;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 64px); line-height: 1.08; font-weight: 800;
  margin: 22px 0 22px; letter-spacing: -1.2px;
}
.hero h1 .hl {
  background: linear-gradient(135deg, #a8e063, #56ab2f 50%, #06b6d4);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero p { font-size: 18px; color: rgba(255,255,255,.78); max-width: 720px; line-height: 1.7; }
.hero .cta { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.hero .btn.ghost { color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.42); }
.hero .btn.ghost:hover { background: rgba(255,255,255,.1); }

.trustbar {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin-top: 64px; padding: 28px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px; backdrop-filter: blur(10px);
}
.trustbar .item { text-align: center; }
.trustbar .num { display: block; font-size: 30px; font-weight: 800; color: #fff; letter-spacing: -.5px; }
.trustbar .lbl { display: block; font-size: 12px; color: rgba(255,255,255,.65); margin-top: 4px; }

/* ============ 通用 section ============ */
.section { padding: 90px 0; }
.section.soft { background: linear-gradient(180deg, #f8fafb, #eef5f0 100%); }
.section.dark { background: var(--ink-900); color: #fff; }
.eyebrow {
  display: inline-block; color: var(--brand);
  font-size: 12px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
}
.section.dark .eyebrow { color: var(--brand-3); }
.h2 {
  font-size: clamp(28px, 3.2vw, 40px); font-weight: 800;
  color: var(--ink-900); margin: 12px 0 14px; letter-spacing: -.6px;
}
.section.dark .h2 { color: #fff; }
.lead { color: var(--ink-500); font-size: 16px; max-width: 720px; margin-bottom: 44px; line-height: 1.7; }
.section.dark .lead { color: rgba(255,255,255,.7); }

/* ============ 网格 + 卡片 ============ */
.grid { display: grid; gap: 22px; }
.c3 { grid-template-columns: repeat(3, 1fr); }
.c4 { grid-template-columns: repeat(4, 1fr); }
.c5 { grid-template-columns: repeat(5, 1fr); }
.card {
  position: relative; display: block; padding: 28px;
  background: var(--surface); border-radius: var(--radius);
  border: 1px solid rgba(15,23,42,.06);
  box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(31,138,76,.32); }
.card .ic {
  width: 54px; height: 54px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; margin-bottom: 18px;
  background: linear-gradient(135deg, #f2faf5, #e3f2ea);
  box-shadow: inset 0 0 0 1px rgba(31,138,76,.07);
  overflow: hidden; flex-shrink: 0;
}
.card .ic svg { width: 28px; height: 28px; }
.card .ic img { width: 100%; height: 100%; object-fit: contain; display: block; }

/* ── 图标微动效：缓慢悬浮 + 悬停回应 ── */
@keyframes icFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}
.card .ic {
  transition: transform .45s cubic-bezier(.2,.7,.3,1), box-shadow .45s ease;
}
.card .ic img {
  animation: icFloat 5.2s ease-in-out infinite;
  will-change: transform;
}
/* 错开相位，避免整页图标同步起伏 */
.card:nth-child(3n+2) .ic img { animation-delay: -1.75s; }
.card:nth-child(3n)   .ic img { animation-delay: -3.5s; }
.card:nth-child(4n+4) .ic img { animation-delay: -2.6s; }
a.card:hover .ic,
.card:hover .ic {
  transform: translateY(-3px) scale(1.06);
  box-shadow: inset 0 0 0 1px rgba(31,138,76,.16), 0 10px 22px rgba(31,138,76,.16);
}
@media (prefers-reduced-motion: reduce) {
  .card .ic img { animation: none; }
  .card .ic { transition: none; }
}
.card h3 { font-size: 18px; font-weight: 700; color: var(--ink-900); margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--ink-500); line-height: 1.7; }
.card .more {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 16px;
  color: var(--brand); font-weight: 600; font-size: 13px;
}
.card .more::after { content: "→"; transition: transform .2s; }
a.card:hover .more::after { transform: translateX(4px); }

/* 卡片主题色 */
/* 图标底板统一浅绿 */

/* 卡片顶部彩条 */
.card.accent::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-3));
}

/* ============ Pagehero（子页） ============ */
.pagehero {
  padding: 100px 0 64px; color: #fff; position: relative; overflow: hidden;
  background:
    radial-gradient(800px 400px at 85% 15%, rgba(86,171,47,.22), transparent 60%),
    linear-gradient(135deg, #06281f, #0a3d2e);
}
.pagehero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.pagehero .container { position: relative; }
.pagehero h1 { font-size: clamp(32px, 4.4vw, 50px); font-weight: 800; letter-spacing: -.6px; }
.pagehero p { margin-top: 18px; font-size: 17px; color: rgba(255,255,255,.8); max-width: 780px; line-height: 1.7; }
.pagehero .bread {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
  font-size: 13px; color: rgba(255,255,255,.65);
}
.pagehero .bread a { color: rgba(255,255,255,.85); }

/* ============ Contact Hero (亮色 + 左大图标) ============ */
.contact-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 480px at 12% 50%, rgba(168,224,99,.32), transparent 60%),
    radial-gradient(700px 420px at 95% 110%, rgba(6,182,212,.16), transparent 60%),
    linear-gradient(180deg, #f6fbf6 0%, #e9f5ec 100%);
  color: var(--ink-900);
  padding: 70px 0 56px;
}
.contact-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(31,138,76,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,138,76,.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 30% center, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 30% center, #000 25%, transparent 78%);
}
.contact-hero .container { position: relative; }

.contact-hero-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 72px;
  align-items: center;
}
.contact-hero-icon {
  width: 360px; height: 360px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  color: var(--brand);
}
.contact-hero-icon::before {
  content: ""; position: absolute; inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.95) 0%, rgba(255,255,255,.4) 55%, rgba(255,255,255,0) 78%);
  z-index: 0;
}
.contact-hero-icon::after {
  content: ""; position: absolute; inset: 8%;
  border-radius: 50%;
  border: 1px dashed rgba(31,138,76,.3);
  z-index: 0;
}
.contact-hero-icon svg {
  width: 78%; height: 78%;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 14px 28px rgba(31,138,76,.22));
  animation: dnaSpin 18s linear infinite;
  transform-origin: center;
}
@keyframes dnaSpin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .contact-hero-icon svg { animation: none; }
}

.contact-hero-text .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--brand);
  font-size: 13px; font-weight: 700; letter-spacing: 2.6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(31,138,76,.08);
}
.contact-hero-text h1 {
  font-size: clamp(34px, 4.2vw, 52px);
  font-weight: 800;
  letter-spacing: -1px;
  margin: 18px 0 18px;
  line-height: 1.1;
  color: var(--ink-900);
}
.contact-hero-text p {
  font-size: 17px;
  color: var(--ink-500);
  max-width: 560px;
  line-height: 1.75;
  margin: 0;
}
.contact-hero-text .hero-actions {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 32px;
}
.contact-hero-text .hero-actions .btn {
  display: inline-flex; align-items: center; gap: 8px;
}
.contact-hero-text .hero-actions .btn.ghost {
  background: #fff;
  color: var(--brand-700);
  border: 1px solid rgba(31,138,76,.32);
  box-shadow: var(--shadow-sm);
}
.contact-hero-text .hero-actions .btn.ghost:hover {
  background: var(--brand-50, #e8f5ee);
}

@media (max-width: 880px) {
  .contact-hero { padding: 48px 0 40px; }
  .contact-hero-grid {
    grid-template-columns: 1fr; gap: 28px; text-align: center;
  }
  .contact-hero-icon { width: 220px; height: 220px; margin: 0 auto; }
  .contact-hero-text p { margin: 0 auto; }
  .contact-hero-text .hero-actions { justify-content: center; }
}
@media (max-width: 520px) {
  .contact-hero-icon { width: 180px; height: 180px; }
}

/* ============ Features list ============ */
.feat { list-style: none; }
.feat li {
  position: relative; padding: 16px 0 16px 40px;
  border-bottom: 1px solid rgba(15,23,42,.06);
  color: var(--ink-700); line-height: 1.75;
}
.feat li::before {
  content: ""; position: absolute; left: 0; top: 18px;
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(31,138,76,.12);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f8a4c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 14px; background-repeat: no-repeat; background-position: center;
}
.feat li b { color: var(--ink-900); }

/* ============ Split (why-us) ============ */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }

/* ============ 联系页对称卡片左栏 ============ */
.contact-split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.contact-stack { display: flex; flex-direction: column; gap: 14px; }
.cc {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid rgba(15,23,42,.06);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}
.cc .ico {
  width: 44px; height: 44px; border-radius: 11px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cc .ico svg { width: 22px; height: 22px; }
.cc .body { flex: 1; min-width: 0; }
.cc .lbl { font-size: 13px; color: var(--ink-500); margin-bottom: 2px; }
.cc .val { font-size: 15.5px; color: var(--ink-900); font-weight: 600; }
.cc .val a { color: var(--brand-700); text-decoration: none; }
.cc .val a:hover { text-decoration: underline; }
.cc .val small { font-weight: 400; color: var(--muted); font-size: 12.5px; margin-left: 6px; }
.cc .act {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--brand-700);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s ease;
  flex-shrink: 0;
}
.cc .act:hover { background: var(--brand-50, #e8f5ee); border-color: var(--brand); }
.cc .act.is-ok { background: #a8e063; color: #1f8a4c; border-color: #a8e063; }

.qrc {
  display: flex; gap: 16px; align-items: center;
  padding: 18px;
  background: linear-gradient(135deg, var(--brand-50, #f0faf3), #fff);
  border: 1px solid rgba(31,138,76,.18);
  border-radius: 14px;
}
.qrc .qr-wrap {
  width: 108px; height: 108px; flex-shrink: 0;
  border: 1px solid var(--line); border-radius: 10px;
  padding: 6px; background: #fff; display: flex; align-items: center; justify-content: center;
}
.qrc .qr-wrap img { width: 100%; height: 100%; display: block; border-radius: 4px; }
.qrc .side h4 { margin: 0 0 6px; font-size: 15px; color: var(--ink-900); }
.qrc .side p { font-size: 13px; color: var(--muted); margin: 0 0 10px; line-height: 1.55; }
.qrc .side .act {
  background: var(--brand); color: #fff; border: none;
  padding: 8px 16px; border-radius: 8px; font-size: 13px;
  cursor: pointer; transition: opacity .15s ease;
}
.qrc .side .act:hover { opacity: 0.88; }
.qrc .side .act.is-ok { background: #a8e063; color: #1f8a4c; }

@media (max-width: 980px) {
  .contact-split { grid-template-columns: 1fr; gap: 32px; }
}
.split-img {
  position: relative; border-radius: 22px; overflow: hidden;
  background: linear-gradient(135deg, #e8f5ee, #d4f0e2);
  max-width: 400px; justify-self: center; width: 100%;
  box-shadow: var(--shadow);
}
.split-img svg { width: 100%; height: 100%; display: block; }

/* ============ Banner CTA ============ */
.banner-cta {
  margin: 70px auto; padding: 56px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2) 70%, var(--teal));
  color: #fff; border-radius: 22px; text-align: center;
  position: relative; overflow: hidden;
}
.banner-cta::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(255,255,255,.18), transparent 45%),
    radial-gradient(circle at 15% 80%, rgba(255,255,255,.12), transparent 45%);
}
.banner-cta > * { position: relative; }
.banner-cta h2 { font-size: 30px; font-weight: 800; letter-spacing: -.4px; }
.banner-cta p { margin: 14px 0 26px; opacity: .92; font-size: 16px; }
.banner-cta .btn { background: #fff; color: var(--brand); box-shadow: 0 6px 18px rgba(0,0,0,.18); }

/* ============ Banner CTA · 服务流程 4 步图 ============ */
.banner-cta.flow {
  text-align: left;
  padding: 48px 56px 44px;
}
.banner-cta.flow h2 {
  text-align: center;
  font-size: 26px;
  letter-spacing: -.5px;
  margin-bottom: 6px;
}
.banner-cta.flow .flow-sub {
  text-align: center;
  margin: 0 0 36px;
  font-size: 14.5px;
  opacity: .88;
}
.banner-cta.flow .flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  position: relative;
}
.banner-cta.flow .step {
  position: relative;
  padding: 24px 22px 22px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 14px;
  backdrop-filter: blur(2px);
  transition: transform .22s ease, background .22s ease;
}
.banner-cta.flow .step:hover {
  transform: translateY(-3px);
  background: rgba(255,255,255,.2);
}
.banner-cta.flow .step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: #fff; color: var(--brand);
  font-weight: 800; font-size: 16px;
  border-radius: 50%;
  margin-bottom: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
}
.banner-cta.flow .step h3 {
  font-size: 16px; font-weight: 700;
  margin: 0 0 8px;
  color: #fff;
}
.banner-cta.flow .step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  opacity: .92;
}
.banner-cta.flow .step::after {
  content: "›";
  position: absolute;
  right: -16px; top: 50%;
  transform: translateY(-50%);
  font-size: 28px; line-height: 1;
  color: rgba(255,255,255,.55);
  font-weight: 300;
}
.banner-cta.flow .step:last-child::after { display: none; }

@media (max-width: 880px) {
  .banner-cta.flow { padding: 40px 28px 36px; }
  .banner-cta.flow .flow-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .banner-cta.flow .step::after { display: none; }
}
@media (max-width: 520px) {
  .banner-cta.flow { padding: 36px 22px 30px; }
  .banner-cta.flow .flow-steps { grid-template-columns: 1fr; }
  .banner-cta.flow h2 { font-size: 22px; }
}

/* ============ 序诺基 品牌条 ============ */
.brand-strip {
  background: linear-gradient(135deg, #f0fbf3, #e8f5ee);
  border-radius: 22px; padding: 40px;
  display: grid; grid-template-columns: auto 1fr; gap: 44px; align-items: center;
  border: 1px solid rgba(31,138,76,.18);
  box-shadow: var(--shadow-sm);
}
.brand-mark {
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  padding: 22px 30px; background: #fff; border-radius: 16px;
  box-shadow: var(--shadow); border: 1px solid rgba(31,138,76,.22);
}
.brand-mark .name {
  font-size: 32px; font-weight: 900; color: var(--brand);
  letter-spacing: 6px; line-height: 1;
}
.brand-mark .tag {
  font-size: 11px; color: var(--ink-500); letter-spacing: 2px;
  text-transform: uppercase;
}
.brand-lines { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.brand-line {
  padding: 16px 12px; background: rgba(255,255,255,.7); border-radius: 12px;
  text-align: center; border: 1px solid rgba(31,138,76,.18);
  transition: transform .2s, box-shadow .2s;
}
.brand-line:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.brand-line .n { font-size: 16px; font-weight: 700; color: var(--brand); }
.brand-line .d { font-size: 11px; color: var(--ink-500); margin-top: 4px; }

/* ============ Footer ============ */
footer {
  background: linear-gradient(135deg, #06281f, #0a3d2e);
  color: rgba(255,255,255,.78); padding: 64px 0 30px;
  position: relative; overflow: hidden;
}
footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168,224,99,.5), transparent);
}
footer .foot-brand {
  display: flex; align-items: center; gap: 14px; margin-bottom: 14px;
}
footer .foot-brand img { height: 52px; width: auto;
  filter: drop-shadow(0 0 18px rgba(168,224,99,.25)); }
footer .foot-text { font-size: 13px; color: rgba(255,255,255,.65); line-height: 1.8; max-width: 320px; }
footer .cols { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
footer h4 { color: #fff; font-size: 14px; margin-bottom: 16px; font-weight: 600; letter-spacing: .5px; }
footer .cols a {
  display: block; font-size: 13px; color: rgba(255,255,255,.7);
  padding: 5px 0; transition: color .15s, padding-left .15s;
}
footer .cols a:hover { color: #a8e063; padding-left: 4px; }
footer .copy {
  margin-top: 44px; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px; color: rgba(255,255,255,.5);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}

/* ============ 表单 ============ */
.form { display: grid; gap: 14px; max-width: 580px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form input, .form textarea, .form select {
  width: 100%; padding: 12px 14px; border: 1px solid rgba(15,23,42,.1);
  border-radius: 10px; font-size: 14px; font-family: inherit;
  background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
.form input:focus, .form textarea:focus, .form select:focus {
  border-color: var(--brand); box-shadow: 0 0 0 3px rgba(31,138,76,.12);
}
.form textarea { min-height: 120px; resize: vertical; }
.form label { font-size: 13px; color: var(--ink-700); font-weight: 500; margin-bottom: 4px; display: block; }

/* ============ 在线询价大表单(.inq) ============ */
.inq {
  display: grid; gap: 18px;
  max-width: 720px;
  padding: 28px 30px 24px;
  background: linear-gradient(180deg, #fff, #f7fbf8);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 1px 0 rgba(15,23,42,.03);
}
.inq .field { display: flex; flex-direction: column; gap: 6px; }
.inq .field > span {
  font-size: 13.5px; font-weight: 600;
  color: var(--ink-800); letter-spacing: .5px;
}
.inq .field > span em {
  color: var(--brand); font-style: normal; margin: 0 2px;
}
.inq input, .inq select, .inq textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid rgba(15,23,42,.12);
  border-radius: 10px;
  font-size: 15px; font-family: inherit; line-height: 1.5;
  background: #fff;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  color: var(--ink-800);
}
.inq input::placeholder, .inq textarea::placeholder {
  color: #a3a3a3;
}
.inq input:focus, .inq select:focus, .inq textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(31,138,76,.12);
  background: #fff;
}
.inq select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231f8a4c' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}
.inq textarea { min-height: 140px; resize: vertical; line-height: 1.7; }
.inq button.btn[type="submit"] {
  margin-top: 6px;
  padding: 14px 28px;
  font-size: 15px;
  width: 100%;
  justify-content: center;
  letter-spacing: 1px;
}
.inq-note {
  margin: 4px 0 0;
  font-size: 12.5px;
  color: var(--ink-500);
  line-height: 1.6;
  padding: 10px 12px;
  background: var(--brand-soft);
  border-radius: 8px;
  border-left: 3px solid var(--brand);
}
@media (max-width: 560px) {
  .inq { padding: 22px 18px 18px; }
  .inq input, .inq select, .inq textarea { font-size: 14.5px; padding: 12px 14px; }
}

/* ============ 联系页两栏 ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; }
.contact-card {
  padding: 28px; background: var(--surface); border-radius: 16px;
  border: 1px solid rgba(15,23,42,.06); box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}
.contact-card .ct { display: flex; gap: 14px; align-items: flex-start; }
.contact-card .ct .ico {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; display: flex; align-items: center; justify-content: center;
}
.contact-card .ct .ico svg { width: 20px; height: 20px; }
.contact-card h4 { font-size: 14px; color: var(--ink-500); margin-bottom: 4px; font-weight: 500; }
.contact-card p { font-size: 17px; color: var(--ink-900); font-weight: 600; }
.qr-box {
  display: flex; gap: 16px; align-items: center;
  padding: 20px; background: var(--surface); border-radius: 16px;
  border: 1px solid rgba(15,23,42,.06); box-shadow: var(--shadow-sm);
}
.qr-box img { width: 120px; height: 120px; border-radius: 8px; }

/* ============ 技术平台 / 统计条 ============ */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 24px 0 8px; }
.stat {
  padding: 22px; background: var(--surface); border-radius: 14px;
  border: 1px solid rgba(15,23,42,.06); text-align: center;
}
.stat .v { font-size: 28px; font-weight: 800; color: var(--brand); }
.stat .l { font-size: 12px; color: var(--ink-500); margin-top: 4px; }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .container { padding: 0 28px; }
  .nav-inner { min-height: 68px; gap: 12px; }
  .logo { padding-left: 20px; }
  .logo .brand-name { display: none; }
  nav { display: none; }
  .grid.c3, .grid.c4, .grid.c5 { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .trustbar, .stats-row { grid-template-columns: 1fr 1fr; }
  .brand-strip { grid-template-columns: 1fr; gap: 24px; }
  .brand-lines { grid-template-columns: repeat(3, 1fr); }
  footer .cols { grid-template-columns: 1fr 1fr; }
  .hero { padding: 80px 0 90px; }
  .section { padding: 70px 0; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .logo { padding-left: 12px; }
  .grid.c3, .grid.c4, .grid.c5 { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .brand-lines { grid-template-columns: 1fr 1fr; }
  footer .cols { grid-template-columns: 1fr; }
  .banner-cta { padding: 40px 28px; }
}
/* === Service Detail Block (Kimi 风格内容卡) === */
.service-detail {
  background: linear-gradient(180deg, #fff, #f7fbf8);
  border: 1px solid var(--line);
  border-top: 4px solid var(--brand);
  border-radius: 16px;
  padding: 30px 34px 28px;
  margin-bottom: 28px;
  box-shadow: 0 1px 0 rgba(15,23,42,.03);
  scroll-margin-top: 110px;
}
.service-detail.t-teal    { border-top-color: #06b6d4; }
.service-detail.t-blue    { border-top-color: #3b82f6; }
.service-detail.t-indigo  { border-top-color: #6366f1; }
.service-detail.t-cyan    { border-top-color: #0891b2; }
.service-detail.t-violet  { border-top-color: #8b5cf6; }
.service-detail.t-emerald { border-top-color: #059669; }
.service-detail.t-rose    { border-top-color: #f43f5e; }
.service-detail.t-amber   { border-top-color: #f59e0b; }

.service-detail .d-hd {
  display: flex; align-items: center; gap: 14px;
  padding-bottom: 16px; margin-bottom: 18px;
  border-bottom: 1px dashed var(--line);
}
.service-detail .d-hd .ico {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 10px;
  font-size: 22px; background: var(--brand-soft);
  flex-shrink: 0;
}
.service-detail.t-teal    .d-hd .ico { background: #ecfeff; }
.service-detail.t-blue    .d-hd .ico { background: #eff6ff; }
.service-detail.t-indigo  .d-hd .ico { background: #eef2ff; }
.service-detail.t-cyan    .d-hd .ico { background: #ecfeff; }
.service-detail.t-violet  .d-hd .ico { background: #f5f3ff; }
.service-detail.t-emerald .d-hd .ico { background: #ecfdf5; }
.service-detail.t-rose    .d-hd .ico { background: #fff1f2; }
.service-detail.t-amber   .d-hd .ico { background: #fffbeb; }
.service-detail .d-hd h2 {
  font-size: 22px; margin: 0; line-height: 1.2;
  color: var(--ink-800); font-weight: 700;
}
.service-detail .d-hd h2 small {
  display: block; font-size: 12px; font-weight: 500;
  color: var(--ink-500); letter-spacing: 1px; margin-top: 2px;
}

.service-detail .d-body h4 {
  font-size: 14px; font-weight: 700;
  color: var(--brand-700); letter-spacing: .5px;
  margin: 22px 0 10px; padding-left: 10px;
  border-left: 3px solid var(--brand);
}
.service-detail.t-teal    .d-body h4 { color: #0e7490; border-left-color: #06b6d4; }
.service-detail.t-blue    .d-body h4 { color: #1d4ed8; border-left-color: #3b82f6; }
.service-detail.t-indigo  .d-body h4 { color: #4338ca; border-left-color: #6366f1; }
.service-detail.t-cyan    .d-body h4 { color: #0e7490; border-left-color: #0891b2; }
.service-detail.t-violet  .d-body h4 { color: #6d28d9; border-left-color: #8b5cf6; }
.service-detail.t-emerald .d-body h4 { color: #047857; border-left-color: #059669; }
.service-detail.t-rose    .d-body h4 { color: #be123c; border-left-color: #f43f5e; }
.service-detail.t-amber   .d-body h4 { color: #b45309; border-left-color: #f59e0b; }
.service-detail .d-body h4:first-child { margin-top: 0; }
.service-detail .d-body p {
  font-size: 14.5px; line-height: 1.85;
  color: var(--ink-700); margin: 0 0 10px;
}
.service-detail .d-body ul {
  list-style: none; padding: 0; margin: 0 0 8px;
}
.service-detail .d-body ul li {
  position: relative;
  padding: 6px 0 6px 28px;
  font-size: 14.5px; line-height: 1.75;
  color: var(--ink-700); border-bottom: 1px dashed rgba(15,23,42,.05);
}
.service-detail .d-body ul li:last-child { border-bottom: none; }
.service-detail .d-body ul li::before {
  content: '✓'; position: absolute; left: 0; top: 7px;
  width: 18px; height: 18px; line-height: 18px;
  text-align: center; font-size: 11px; font-weight: 700;
  border-radius: 50%; color: #fff;
  background: var(--brand);
}
.service-detail.t-teal    .d-body ul li::before { background: #06b6d4; }
.service-detail.t-blue    .d-body ul li::before { background: #3b82f6; }
.service-detail.t-indigo  .d-body ul li::before { background: #6366f1; }
.service-detail.t-cyan    .d-body ul li::before { background: #0891b2; }
.service-detail.t-violet  .d-body ul li::before { background: #8b5cf6; }
.service-detail.t-emerald .d-body ul li::before { background: #059669; }
.service-detail.t-rose    .d-body ul li::before { background: #f43f5e; }
.service-detail.t-amber   .d-body ul li::before { background: #f59e0b; }
.service-detail .d-body ul li strong {
  color: var(--ink-800); margin-right: 4px;
}

.service-detail .d-foot {
  margin-top: 22px; padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.service-detail .d-foot .d-note {
  font-size: 13px; color: var(--ink-500);
}
.service-detail .d-foot .btn-mini {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 999px;
  font-size: 13px; font-weight: 600; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 4px 12px rgba(31,138,76,.25);
  white-space: nowrap; flex-shrink: 0;
}
.service-detail.t-teal    .d-foot .btn-mini { background: linear-gradient(135deg, #06b6d4, #0891b2); box-shadow: 0 4px 12px rgba(6,182,212,.25); }
.service-detail.t-blue    .d-foot .btn-mini { background: linear-gradient(135deg, #3b82f6, #1d4ed8); box-shadow: 0 4px 12px rgba(59,130,246,.25); }
.service-detail.t-indigo  .d-foot .btn-mini { background: linear-gradient(135deg, #6366f1, #4338ca); box-shadow: 0 4px 12px rgba(99,102,241,.25); }
.service-detail.t-cyan    .d-foot .btn-mini { background: linear-gradient(135deg, #0891b2, #155e75); box-shadow: 0 4px 12px rgba(8,145,178,.25); }
.service-detail.t-violet  .d-foot .btn-mini { background: linear-gradient(135deg, #8b5cf6, #6d28d9); box-shadow: 0 4px 12px rgba(139,92,246,.25); }
.service-detail.t-emerald .d-foot .btn-mini { background: linear-gradient(135deg, #059669, #047857); box-shadow: 0 4px 12px rgba(5,150,105,.25); }
.service-detail.t-rose    .d-foot .btn-mini { background: linear-gradient(135deg, #f43f5e, #be123c); box-shadow: 0 4px 12px rgba(244,63,94,.25); }
.service-detail.t-amber   .d-foot .btn-mini { background: linear-gradient(135deg, #f59e0b, #b45309); box-shadow: 0 4px 12px rgba(245,158,11,.25); }

.service-index {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px;
  margin: 24px 0 12px;
}
.service-index a {
  display: block; padding: 10px 8px; text-align: center;
  background: #fff; border: 1px solid var(--line);
  border-radius: 8px; font-size: 13px; color: var(--ink-700);
  font-weight: 500; transition: all .2s;
}
.service-index a:hover {
  background: var(--brand); color: #fff; border-color: var(--brand);
  transform: translateY(-2px);
}
@media (max-width: 980px) {
  .service-index { grid-template-columns: repeat(2, 1fr); }
  .service-detail { padding: 22px 20px; }
  .service-detail .d-hd h2 { font-size: 18px; }
}

/* =====================================================
   2026-10 升级：首屏轮播 / 吉祥物 / 成果展示
   ===================================================== */

/* ============ 首屏轮播 ============ */
.hero { padding: 60px 0 56px; }
.hc { position: relative; min-height: 330px; }
.hc-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity .7s ease, visibility .7s;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
}
.hc-slide.on { position: relative; opacity: 1; visibility: visible; }
.hc-slide .kicker {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(168,224,99,.14); border: 1px solid rgba(168,224,99,.42);
  color: #d8f5b8; font-size: 12px; font-weight: 700; letter-spacing: 2px;
}
.hc-slide h1, .hc-slide h2 { font-size: clamp(30px, 4vw, 52px); line-height: 1.1; font-weight: 800; margin: 18px 0 14px; letter-spacing: -1px; }
.hc-slide h1 .hl, .hc-slide h2 .hl {
  background: linear-gradient(135deg, #a8e063, #56ab2f 55%, #06b6d4);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hc-slide .sub { font-size: 16px; color: rgba(255,255,255,.78); max-width: 560px; line-height: 1.7; }
.hc-slide .cta { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.hc-slide .btn.ghost { color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.42); }
.hc-slide .btn.ghost:hover { background: rgba(255,255,255,.1); }

.hc-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hc-visual .disc {
  position: relative; width: 320px; height: 320px; border-radius: 50%;
  background: #ffffff; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.38), 0 0 0 1px rgba(255,255,255,.55);
}
.hc-visual .disc img { width: 100%; height: 100%; object-fit: cover; }
.hc-visual .disc::after {
  content: ""; position: absolute; inset: -16px; border-radius: 50%;
  border: 1.5px dashed rgba(168,224,99,.5);
  animation: hcspin 26s linear infinite;
}
@keyframes hcspin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .hc-visual .disc::after { animation: none; } }
.hc-visual .disc { animation: hcflo 7s ease-in-out infinite; }
@keyframes hcflo { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .hc-visual .disc { animation: none; } }
.hc-chips { position: absolute; bottom: 4px; display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; width: 100%; }
.hc-chips span {
  padding: 6px 13px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.24);
  color: #eafff0; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}

.hc-dots { display: flex; gap: 9px; justify-content: center; margin-top: 20px; }
.hc-dots button {
  width: 26px; height: 5px; border-radius: 99px; border: none; cursor: pointer;
  background: rgba(255,255,255,.28); transition: all .3s; padding: 0;
}
.hc-dots button.on { width: 44px; background: linear-gradient(90deg, #a8e063, #06b6d4); }
.hc-arrow { display: none; }

/* ============ 序诺基品牌条 · 吉祥物 ============ */
.brand-strip { position: relative; }
.gino-note {
  position: absolute; top: -104px; right: 30px; width: 190px; text-align: center; pointer-events: none;
}
.gino-note img { width: 150px; margin: 0 auto; }
.gino-note .bubble {
  position: relative; margin-top: -8px; padding: 10px 14px; border-radius: 14px;
  background: #fff; border: 1px solid rgba(31,138,76,.25);
  box-shadow: var(--shadow-sm);
  font-size: 12.5px; color: var(--ink-700); font-weight: 500; line-height: 1.5;
}
.gino-note .bubble::before {
  content: ""; position: absolute; top: -7px; left: 50%; margin-left: -7px;
  width: 14px; height: 14px; background: #fff;
  border-left: 1px solid rgba(31,138,76,.25); border-top: 1px solid rgba(31,138,76,.25);
  transform: rotate(45deg);
}
@media (max-width: 1080px) { .gino-note { display: none; } }

/* ============ 成果展示 ============ */
.fig-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.fig-card {
  position: relative; background: #fff; border-radius: var(--radius);
  border: 1px solid rgba(15,23,42,.06); box-shadow: var(--shadow-sm);
  overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.fig-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.fig-card .ph { position: relative; background: #f4f8f5; overflow: hidden; }
.fig-card .ph img { width: 100%; height: 210px; object-fit: cover; object-position: center; pointer-events: none; -webkit-user-drag: none; user-select: none; }
.fig-card .ph::after { content: ""; position: absolute; inset: 0; }
.fig-card .cap { padding: 16px 20px 20px; }
.fig-card .cap .tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: 1px;
  background: rgba(31,138,76,.1); color: var(--brand); margin-bottom: 8px;
}
.fig-card .cap h3 { font-size: 16px; font-weight: 700; color: var(--ink-900); }
.fig-card .cap p { font-size: 13px; color: var(--ink-500); margin-top: 5px; line-height: 1.6; }
.fig-card.soon { border-style: dashed; border-color: rgba(31,138,76,.35); background: linear-gradient(180deg,#fbfdfb,#f2f8f4); }
.fig-card.soon .ph { display: flex; align-items: center; justify-content: center; height: 210px; color: var(--brand); }
.fig-card.soon .ph .ph-ic { text-align: center; }
.fig-card.soon .ph svg { width: 44px; height: 44px; opacity: .7; }
.fig-card.soon .cap p { font-style: normal; }

.privacy-note {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 22px; border-radius: 14px; margin-top: 26px;
  background: rgba(31,138,76,.06); border: 1px solid rgba(31,138,76,.18);
  font-size: 13px; color: var(--ink-700); line-height: 1.7;
}
.privacy-note svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--brand); margin-top: 2px; }

@media (max-width: 1080px) {
  .hc-slide { grid-template-columns: 1fr; gap: 20px; }
  .hc-visual { order: -1; }
  .hc-visual .disc { width: 230px; height: 230px; }
  
  .hc { min-height: 0; }
  .fig-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .fig-grid { grid-template-columns: 1fr; }
  .hc-slide .cta .btn { padding: 12px 20px; font-size: 14px; }
  .trustbar { grid-template-columns: repeat(2,1fr); gap: 14px; }
}

/* ============ 移动端菜单 ============ */
.menu-btn {
  display: none; margin-left: auto;
  width: 42px; height: 42px; border-radius: 10px; border: 1px solid rgba(15,23,42,.12);
  background: #fff; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 4.5px;
  flex-shrink: 0;
}
.menu-btn span { display: block; width: 18px; height: 1.8px; background: var(--ink-800); border-radius: 2px; transition: transform .25s, opacity .2s; }
.nav.open .menu-btn span:nth-child(1) { transform: translateY(6.3px) rotate(45deg); }
.nav.open .menu-btn span:nth-child(2) { opacity: 0; }
.nav.open .menu-btn span:nth-child(3) { transform: translateY(-6.3px) rotate(-45deg); }
@media (max-width: 980px) {
  .menu-btn { display: flex; }
  .nav-inner .btn { display: none; }
  .nav.open nav {
    display: flex; flex-direction: column; gap: 2px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 24px 40px rgba(15,23,42,.12);
    padding: 12px 20px 18px; margin-left: 0;
    max-height: calc(100vh - 68px); overflow-y: auto;
  }
  .nav.open nav a { padding: 11px 14px; border-radius: 10px; font-size: 15px; }
  .nav.open nav a.active { background: rgba(31,138,76,.1); }
}
@media (max-width: 980px) {
  .nav.open nav { margin-left: 0; justify-content: flex-start; align-items: stretch; gap: 2px; }
  .nav.open nav a { text-align: left; display: block; }
}

/* =====================================================
   2026-10-27 升级：分级导航 / 浮动联系 / 成果轮播
   ===================================================== */

/* ============ 分级导航（下拉） ============ */
nav.mainnav { gap: 2px; }
.mainnav > a,
.nav-item > .drop-toggle {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 9px 12px; border-radius: 10px; border: 0; background: none;
  font-family: inherit; font-size: 14.5px; font-weight: 600; color: var(--ink-700);
  cursor: pointer; white-space: nowrap; transition: background .2s, color .2s;
}
.mainnav > a:hover, .nav-item > .drop-toggle:hover,
.nav-item.open > .drop-toggle { background: rgba(31,138,76,.08); color: var(--brand); }
.mainnav > a.active, .nav-item.act > .drop-toggle { background: rgba(31,138,76,.12); color: var(--brand); }
.nav-item { position: relative; }
.caret { width: 10px; height: 10px; opacity: .65; transition: transform .22s; }
.nav-item.open > .drop-toggle .caret { transform: rotate(180deg); }

.drop {
  position: absolute; top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: #fff; border: 1px solid rgba(15,23,42,.07); border-radius: 16px;
  box-shadow: 0 26px 60px rgba(15,23,42,.16); padding: 16px 18px;
  display: none; opacity: 0; z-index: 80; transition: opacity .18s, transform .18s;
}
.drop::after { content: ""; position: absolute; top: -12px; left: 0; right: 0; height: 14px; }
.drop.mega { grid-template-columns: repeat(3, minmax(178px, 1fr)); gap: 4px 26px; padding: 20px 24px 22px; }
.drop-col h5 {
  font-size: 11.5px; letter-spacing: 1.6px; color: #9aa7a0; font-weight: 700;
  margin: 0 0 8px 10px; text-transform: uppercase;
}
.drop-col a, .drop.small a {
  display: block; padding: 7px 10px !important; border-radius: 9px;
  font-size: 13.5px !important; color: var(--ink-700); white-space: nowrap; line-height: 1.5;
}
.drop-col a:hover, .drop.small a:hover { background: rgba(31,138,76,.09); color: var(--brand); }
.drop.small { min-width: 188px; padding: 12px; }
@media (min-width: 981px) {
  .nav-item:hover > .drop { display: block; opacity: 1; transform: translateX(-50%) translateY(0); }
  .nav-item:hover > .drop.mega { display: grid; }
}

/* ============ 浮动联系栏 ============ */
.fabs { position: fixed; right: 16px; bottom: 84px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.fab {
  width: 52px; height: 52px; border-radius: 14px; background: #fff;
  border: 1px solid rgba(15,23,42,.08); box-shadow: 0 10px 26px rgba(15,23,42,.13);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  cursor: pointer; color: var(--ink-600); font-family: inherit; font-size: 10.5px; font-weight: 600;
  text-decoration: none; transition: transform .2s, color .2s, box-shadow .2s;
}
.fab svg { width: 20px; height: 20px; }
.fab:hover { transform: translateY(-2px); color: var(--brand); box-shadow: 0 14px 30px rgba(15,23,42,.18); }
.fab.wa { background: linear-gradient(145deg,#2fb765,#1f8a4c); color: #fff; border-color: transparent; box-shadow: 0 12px 26px rgba(31,138,76,.35); }
.fab.wa:hover { color: #fff; }
.fab.top { display: none; }
.fab.top.on { display: flex; }
.fab-card {
  position: fixed; right: 82px; bottom: 84px; z-index: 91; width: 216px;
  background: #fff; border-radius: 16px; box-shadow: 0 26px 60px rgba(15,23,42,.2);
  border: 1px solid rgba(15,23,42,.07); padding: 16px; text-align: center; display: none;
}
.fab-card.on { display: block; }
.fab-card img { width: 100%; border-radius: 10px; display: block; }
.fab-card b { display: block; margin-top: 10px; font-size: 13.5px; color: var(--ink-900); }
.fab-card span { display: block; font-size: 12px; color: var(--ink-500); margin-top: 3px; }
.fab-card .copy {
  margin-top: 10px; width: 100%; padding: 8px; border-radius: 9px; cursor: pointer;
  border: 1px solid rgba(31,138,76,.35); background: rgba(31,138,76,.08);
  color: var(--brand); font-size: 12.5px; font-weight: 700; font-family: inherit;
}

/* ============ 成果轮播 ============ */
.cr { position: relative; max-width: 1000px; margin: 0 auto; }
.cr-stage {
  position: relative; background: #fff; border-radius: 18px; overflow: hidden;
  border: 1px solid rgba(15,23,42,.07); box-shadow: 0 18px 44px rgba(15,23,42,.08);
}
.cr-slide { display: none; color: inherit; text-decoration: none; }
.cr-slide.on { display: block; animation: crfade .55s ease both; }
@keyframes crfade { from { opacity: 0; } to { opacity: 1; } }
.cr-slide img {
  width: 100%; height: clamp(300px, 46vw, 540px); object-fit: contain; background: #f8fbf9;
  display: block; pointer-events: none; -webkit-user-drag: none; user-select: none;
}
.cr.sm .cr-slide img { height: clamp(230px, 38vw, 420px); }
.cr-cap { padding: 18px 26px 22px; border-top: 1px solid rgba(15,23,42,.06); }
.cr-cap .tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11px;
  font-weight: 700; letter-spacing: 1px; background: rgba(31,138,76,.1); color: var(--brand); margin-bottom: 9px;
}
.cr-cap h3 { font-size: 18px; font-weight: 700; color: var(--ink-900); }
.cr-cap p { font-size: 13.5px; color: var(--ink-500); margin-top: 6px; line-height: 1.7; max-width: 760px; }
.cr-arrow {
  position: absolute; top: 40%; transform: translateY(-50%); z-index: 6;
  width: 42px; height: 42px; border-radius: 50%; cursor: pointer;
  border: 1px solid rgba(15,23,42,.1); background: rgba(255,255,255,.94);
  color: var(--ink-700); font-size: 17px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(15,23,42,.14); transition: background .2s, color .2s;
}
.cr-arrow:hover { background: var(--brand); color: #fff; }
.cr-arrow.prev { left: 14px; }
.cr-arrow.next { right: 14px; }
.cr-dots { display: flex; gap: 7px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.cr-dots button {
  width: 8px; height: 8px; border-radius: 50%; border: 0; padding: 0; cursor: pointer;
  background: rgba(15,23,42,.18); transition: all .25s;
}
.cr-dots button.on { width: 24px; border-radius: 99px; background: var(--brand); }

.sh-tabs { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 26px; }
.sh-tabs button {
  padding: 8px 18px; border-radius: 999px; cursor: pointer; font-family: inherit;
  border: 1px solid rgba(15,23,42,.1); background: #fff; color: var(--ink-600);
  font-size: 13.5px; font-weight: 600; transition: all .2s;
}
.sh-tabs button.on { background: var(--brand); color: #fff; border-color: var(--brand); box-shadow: 0 8px 20px rgba(31,138,76,.24); }
.sh-tabs button span { opacity: .65; margin-left: 4px; font-weight: 500; }

/* ============ 吉祥物轻动效 ============ */
.gino-note img { animation: ginof 5.5s ease-in-out infinite; transform-origin: 50% 88%; }
@keyframes ginof {
  0%, 100% { transform: rotate(-2.5deg) translateY(0); }
  50% { transform: rotate(2deg) translateY(-6px); }
}
@media (prefers-reduced-motion: reduce) {
  .gino-note img { animation: none; }
  .cr-slide.on { animation: none; }
}

/* ============ 首屏业务图标（替代吉祥物大圆卡） ============ */
.hc-visual .disc svg.icon { width: 150px; height: 150px; color: #1f8a4c; }

@media (max-width: 980px) {
  .mainnav { width: 100%; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-item { width: 100%; }
  .nav-item > .drop-toggle { width: 100%; justify-content: space-between; padding: 11px 14px; font-size: 15px; }
  .mainnav > a { padding: 11px 14px; font-size: 15px; }
  .drop, .drop.mega {
    position: static !important; transform: none !important; opacity: 1 !important;
    box-shadow: none !important; border: 0 !important; background: rgba(31,138,76,.04) !important;
    border-radius: 12px; padding: 4px 6px 8px 14px !important; margin: 2px 0 4px;
    display: none !important;
  }
  .nav-item.open > .drop, .nav-item.open > .drop.mega { display: block !important; }
  .drop-col h5 { margin: 8px 0 4px 10px; }
  .drop-col a, .drop.small a { padding: 9px 12px !important; font-size: 14px !important; }
  .hc-visual .disc svg.icon { width: 108px; height: 108px; }
}
@media (max-width: 640px) {
  .fabs { right: 10px; bottom: 70px; gap: 8px; }
  .fab { width: 44px; height: 44px; border-radius: 12px; font-size: 9.5px; }
  .fab svg { width: 17px; height: 17px; }
  .fab-card { right: 62px; bottom: 70px; width: 186px; }
  .cr-cap { padding: 15px 18px 18px; }
  .cr-cap h3 { font-size: 16px; }
  .cr-arrow { width: 36px; height: 36px; font-size: 15px; }
  .cr-arrow.prev { left: 8px; } .cr-arrow.next { right: 8px; }
}

/* 修正：首屏图标在白圆卡内居中 */
.hc-visual .disc { display: flex; align-items: center; justify-content: center; }
.hc-visual .disc svg.icon { display: block; margin: 0; }

/* 修正：首屏图标在白圆卡内居中 */
.hc-visual .disc { display: flex; align-items: center; justify-content: center; }
.hc-visual .disc svg.icon { display: block; margin: 0; }

/* 修正：桌面端点击展开下拉 */
.nav-item.open > .drop { display: block; opacity: 1; transform: translateX(-50%) translateY(0); }
.nav-item.open > .drop.mega { display: grid; }
/* 修正：首屏标签不被圆卡压住 */
.hc-visual { padding-bottom: 30px; }
.hc-chips { bottom: 0; }

/* 修正：桌面端点击展开下拉 */
.nav-item.open > .drop { display: block; opacity: 1; transform: translateX(-50%) translateY(0); }
.nav-item.open > .drop.mega { display: grid; }
/* 修正：首屏标签不被圆卡压住 */
.hc-visual { padding-bottom: 30px; }
.hc-chips { bottom: 0; }
@media (max-width: 980px) {
  .hc-visual { padding-bottom: 44px; }
  .hc-visual .disc { margin-bottom: 6px; }
}
@media (max-width: 980px) {
  .hc-visual { padding-bottom: 44px; }
  .hc-visual .disc { margin-bottom: 6px; }
}

/* =====================================================
   2026-10-28 升级：数据条独立 / 服务页左侧导航
   ===================================================== */

.hero-orb { z-index: 1; }

/* ============ 数据条（独立一行，浅色卡片） ============ */
.trustband { padding: 38px 0 4px; }
.trustband .stat { box-shadow: var(--shadow-sm); }
.trustband .stat .v { font-size: 24px; }
@media (max-width: 980px) {
  .trustband { padding: 26px 0 0; }
}

/* ============ 服务页左侧导航（艾基风格） ============ */
.svc-layout { display: grid; grid-template-columns: 236px 1fr; gap: 36px; align-items: start; }
.svc-side { position: sticky; top: 96px; }
.svc-side-title {
  padding: 15px 18px; text-align: center;
  background: linear-gradient(135deg, #06281f, #0a3d2e);
  color: #fff; font-weight: 700; font-size: 16.5px; letter-spacing: 2px;
  border-radius: 14px 14px 0 0;
}
.svc-side nav {
  display: block;
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--brand);
  border-radius: 0 0 14px 14px; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.svc-side nav a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; font-size: 14px; color: var(--ink-700);
  border-bottom: 1px solid rgba(15,23,42,.05);
  transition: all .18s;
}
.svc-side nav a:last-child { border-bottom: 0; }
.svc-side nav a::after { content: "›"; color: #b6c2bb; font-weight: 400; font-size: 16px; }
.svc-side nav a:hover, .svc-side nav a.on {
  background: rgba(31,138,76,.08); color: var(--brand); padding-left: 21px;
}
.svc-side .side-div {
  padding: 9px 16px 7px; font-size: 11px; letter-spacing: 2px;
  color: #9aa7a0; background: #f2f7f4; border-bottom: 1px solid rgba(15,23,42,.05);
}
.svc-side nav a.side-link { font-size: 13px; color: var(--ink-500); }
@media (max-width: 980px) {
  .svc-layout { grid-template-columns: 1fr; gap: 22px; }
  .svc-side { position: static; }
  .svc-side nav a { padding: 13px 16px; }
  .svc-side nav a:hover, .svc-side nav a.on { padding-left: 21px; }
}

/* ============ why-us 实物图 ============ */
.split-img img { width: 100%; height: 340px; object-fit: cover; display: block; }
.split > div:only-child { grid-column: 1 / -1; max-width: 860px; }

/* 2026-10-28: 首屏轮播统一 DNA 背景图（url 相对 CSS 文件，即 assets/ 下；.hero 仅首页使用） */
.hero {
  background: #06281f url("hero-cell-bg.webp") center / cover no-repeat;
}
.hero::before { display: none; }
.hero-orb { display: none; }

/* 2026-10-28: 技术平台页横幅 = 细胞背景图（.ph-bg 仅 platforms.html 使用） */
.pagehero.ph-bg {
  background: #06281f url("pagehero-platforms.webp") center / cover no-repeat;
}
.pagehero.ph-bg::before { display: none; }

/* 2026-10-28: 成果展示页横幅 = 病毒背景图（.ph-show 仅 showcase.html 使用） */
.pagehero.ph-show {
  background: #06281f url("pagehero-showcase.webp") center / cover no-repeat;
}
.pagehero.ph-show::before { display: none; }

/* 2026-10-28: 关于页横幅 = 双螺旋背景图（.ph-about 仅 about.html 使用） */
.pagehero.ph-about {
  background: #06281f url("pagehero-about.webp") center / cover no-repeat;
}
.pagehero.ph-about::before { display: none; }

/* 2026-10-29: 基因测序页横幅 = 病毒背景图（.ph-seq 仅 sequencing.html 使用） */
.pagehero.ph-seq {
  background: #06281f url("pagehero-sequencing.webp") center / cover no-repeat;
}
.pagehero.ph-seq::before { display: none; }

/* 2026-10-29: 基因合成页横幅 = 噬菌体背景图（.ph-syn 仅 synthesis.html 使用） */
.pagehero.ph-syn {
  background: #06281f url("pagehero-synthesis.webp") center / cover no-repeat;
}
.pagehero.ph-syn::before { display: none; }

/* 2026-10-29: 病毒包装页横幅 = 病毒背景图（.ph-virus 仅 virus.html 使用） */
.pagehero.ph-virus {
  background: #06281f url("pagehero-virus.webp") center / cover no-repeat;
}
.pagehero.ph-virus::before { display: none; }

/* 2026-10-29: 病毒包装页横幅 = 病毒背景图（.ph-virus 仅 virus.html 使用） */
.pagehero.ph-virus {
  background: #06281f url("pagehero-virus.webp") center / cover no-repeat;
}
.pagehero.ph-virus::before { display: none; }

/* 2026-10-29: 细胞与蛋白页横幅 = 病毒背景图（.ph-cell 仅 cell.html 使用） */
.pagehero.ph-cell {
  background: #06281f url("pagehero-cell.webp") center / cover no-repeat;
}
.pagehero.ph-cell::before { display: none; }

/* 2026-10-29: 细胞与蛋白页横幅 = 病毒背景图（.ph-cell 仅 cell.html 使用） */
.pagehero.ph-cell {
  background: #06281f url("pagehero-cell.webp") center / cover no-repeat;
}
.pagehero.ph-cell::before { display: none; }

/* 2026-10-29: CRISPR 页横幅 = 双螺旋+病毒背景图（.ph-crispr 仅 crispr.html 使用） */
.pagehero.ph-crispr {
  background: #06281f url("pagehero-crispr.webp") center / cover no-repeat;
}
.pagehero.ph-crispr::before { display: none; }

/* 2026-10-29: 试剂耗材页横幅 = 杆菌背景图（.ph-reagents 仅 reagents.html 使用） */
.pagehero.ph-reagents {
  background: #06281f url("pagehero-reagents.webp") center / cover no-repeat;
}
.pagehero.ph-reagents::before { display: none; }

/* 2026-10-29: 联系页吉祥物「亿小点Gino 接电话」动画表情 */
.contact-hero-icon .gino-phone {
  position: relative; z-index: 1;
  width: 76%; height: auto;
  animation: ginoBob 3.2s ease-in-out infinite;
  filter: drop-shadow(0 14px 22px rgba(31,138,76,.18));
}
@keyframes ginoBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-9px) rotate(-1.2deg); }
}
/* 虚线圆环变成「铃声波纹」缓慢呼吸 */
.contact-hero-icon::after { animation: ringPing 3.2s ease-out infinite; }
@keyframes ringPing {
  0%, 100% { transform: scale(.96); opacity: .9; }
  50% { transform: scale(1.06); opacity: .3; }
}
@media (prefers-reduced-motion: reduce) {
  .contact-hero-icon .gino-phone, .contact-hero-icon::after { animation: none; }
}

/* 2026-10-29: 首页服务卡片极淡底纹（桌面「背景素材」10 张图，预混 8% 白底 + 底部白渐变） */
.card.ct1  { background: #fff url("card-tex-6.webp?v=4")  center / cover no-repeat; }
.card.ct2  { background: #fff url("card-tex-10.webp?v=4") center / cover no-repeat; }
.card.ct3  { background: #fff url("card-tex-9.webp?v=4")  center / cover no-repeat; }
.card.ct4  { background: #fff url("card-tex-8.webp?v=4")  center / cover no-repeat; }
.card.ct5  { background: #fff url("card-tex-3.webp?v=4")  center / cover no-repeat; }
.card.ct6  { background: #fff url("card-tex-1.webp?v=4")  center / cover no-repeat; }
.card.ct7  { background: #fff url("card-tex-7.webp?v=4")  center / cover no-repeat; }
.card.ct8  { background: #fff url("card-tex-2.webp?v=4")  center / cover no-repeat; }
.card.ct9  { background: #fff url("card-tex-4.webp?v=4")  center / cover no-repeat; }
.card.ct10 { background: #fff url("card-tex-5.webp?v=4")  center / cover no-repeat; }

/* 2026-10-29: 服务详情框底纹（12 张不同素材图，配方与首页卡片一致 ALPHA=0.17） */
.service-detail.sdx1  { background: #fff url("detail-tex-4.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx2  { background: #fff url("detail-tex-3.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx3  { background: #fff url("detail-tex-6.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx4  { background: #fff url("detail-tex-5.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx5  { background: #fff url("detail-tex-2.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx6  { background: #fff url("detail-tex-9.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx7  { background: #fff url("detail-tex-1.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx8  { background: #fff url("detail-tex-8.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx9  { background: #fff url("detail-tex-7.webp?v=2")  center / cover no-repeat; }
.service-detail.sdx10 { background: #fff url("detail-tex-10.webp?v=2") center / cover no-repeat; }
.service-detail.sdx11 { background: #fff url("detail-tex-12.webp?v=2") center / cover no-repeat; }
.service-detail.sdx12 { background: #fff url("detail-tex-11.webp?v=2") center / cover no-repeat; }

/* 2026-10-29: 三页功能框 + 关于页大卡片 + 锚点按钮底纹（grid-tex 1..18 新图 / detail·card 纹理复用） */
.card.gx1  { background: #fff url("grid-tex-1.webp?v=2")  center / cover no-repeat; }
.card.gx2  { background: #fff url("grid-tex-2.webp?v=2")  center / cover no-repeat; }
.card.gx3  { background: #fff url("grid-tex-3.webp?v=2")  center / cover no-repeat; }
.card.gx4  { background: #fff url("grid-tex-4.webp?v=2")  center / cover no-repeat; }
.card.gx5  { background: #fff url("grid-tex-5.webp?v=2")  center / cover no-repeat; }
.card.gx6  { background: #fff url("grid-tex-6.webp?v=2")  center / cover no-repeat; }
.card.gx7  { background: #fff url("grid-tex-7.webp?v=2")  center / cover no-repeat; }
.card.gx8  { background: #fff url("grid-tex-8.webp?v=2")  center / cover no-repeat; }
.card.gx9  { background: #fff url("grid-tex-9.webp?v=2")  center / cover no-repeat; }
.card.gx10 { background: #fff url("grid-tex-10.webp?v=2") center / cover no-repeat; }
.card.gx11 { background: #fff url("grid-tex-11.webp?v=2") center / cover no-repeat; }
.card.gx12 { background: #fff url("grid-tex-12.webp?v=2") center / cover no-repeat; }
.card.gx13 { background: #fff url("grid-tex-13.webp?v=2") center / cover no-repeat; }
.card.gx14 { background: #fff url("grid-tex-14.webp?v=2") center / cover no-repeat; }
.card.gx15 { background: #fff url("grid-tex-15.webp?v=2") center / cover no-repeat; }
.card.gx16 { background: #fff url("grid-tex-16.webp?v=2") center / cover no-repeat; }
.card.gx17 { background: #fff url("grid-tex-17.webp?v=2") center / cover no-repeat; }
.card.gx18 { background: #fff url("grid-tex-18.webp?v=2") center / cover no-repeat; }
.card.gx19 { background: #fff url("detail-tex-4.webp?v=2") center / cover no-repeat; }
.card.gx20 { background: #fff url("detail-tex-1.webp?v=2") center / cover no-repeat; }
.card.gx21 { background: #fff url("detail-tex-9.webp?v=2") center / cover no-repeat; }
.card.gx22 { background: #fff url("detail-tex-7.webp?v=2") center / cover no-repeat; }
/* sitex 容器不再单独铺底纹——整个 section.soft.sectex 区块统一铺 */

/* 2026-10-29: 关于页「服务详情」整个区块底纹（section-tex-1 烘焙在 soft 渐变色上） */
.section.soft.sectex {
  background: #f3f7f4 url("section-tex-1.webp?v=1") center / cover no-repeat;
}

/* 2026-10-29: 成果展示灯箱（点击图片放大预览） */
.fig-card .ph { cursor: zoom-in; }
.fig-card .ph::after { pointer-events: none; }
#lightbox {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 9999;
  background: rgba(6, 30, 22, .88);
  display: none; align-items: center; justify-content: center;
  padding: 4vh 4vw; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
#lightbox.on { display: flex; animation: lbFade .22s ease; }
@keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }
#lightbox img {
  max-width: 92vw; max-height: 82vh;
  border-radius: 10px; box-shadow: 0 24px 80px rgba(0,0,0,.5);
  background: #fff;
}
#lightbox .lb-cap {
  position: absolute; bottom: 3.5vh; left: 50%; transform: translateX(-50%);
  color: #eaf4ee; font-size: 15px; text-align: center; max-width: 80vw;
  text-shadow: 0 1px 4px rgba(0,0,0,.6);
}
#lightbox .lb-close {
  position: absolute; top: 18px; right: 26px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.12); color: #fff;
  font-size: 26px; line-height: 42px; text-align: center;
  cursor: pointer; user-select: none; transition: background .2s;
}
#lightbox .lb-close:hover { background: rgba(255,255,255,.28); }
body.lb-lock { overflow: hidden; }

/* ── 询价表单提交状态 ── */
.inq-status { display: none; margin: 12px 0 0; font-size: 13.5px; line-height: 1.7; }
.inq-status.on { display: block; }
.inq-status.ok { color: #1f8a4c; }
.inq-status.err { color: #c0392b; }
.btn[disabled] { opacity: .62; cursor: not-allowed; }

/* ══════════════ 2026-11-01 询价表单补充字段 ══════════════ */
.inq .field-row { display: grid; grid-template-columns: 1.1fr .85fr 1fr; gap: 12px; }
.inq .field-row .field { min-width: 0; }
.inq .field > span .opt {
  font-style: normal; font-weight: 500; font-size: 11.5px;
  color: #9aa8a0; margin-left: 5px; letter-spacing: 0;
  padding: 1px 5px; border: 1px solid rgba(15,23,42,.1); border-radius: 4px;
}
@media (max-width: 768px) {
  .inq .field-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .inq .field-row .field:first-child { grid-column: 1 / -1; }
}

/* ══════════════ 2026-11-01 移动端底部咨询条（≤768px 显示，替代右侧浮动按钮） ══════════════ */
.mbar { display: none; }
@media (max-width: 768px) {
  .mbar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
    padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
    gap: 7px;
    background: rgba(255,255,255,.97);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    border-top: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 -6px 22px rgba(15,23,42,.09);
  }
  .mbar a, .mbar button {
    flex: 1; height: 46px; min-width: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
    border-radius: 11px; border: 1px solid rgba(15,23,42,.09); background: #fff;
    color: var(--ink-700); font-family: inherit; font-size: 11.5px; font-weight: 600;
    letter-spacing: .3px; text-decoration: none; cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .mbar svg { width: 18px; height: 18px; flex: none; }
  .mbar .m-primary {
    flex: 1.45; color: #fff; border-color: transparent;
    background: linear-gradient(145deg, #2fb765, #1f8a4c);
    box-shadow: 0 6px 16px rgba(31,138,76,.28);
  }
  .mbar .m-primary svg { width: 19px; height: 19px; }
  .mbar a:active, .mbar button:active { transform: scale(.97); }
  /* 底部条出现后：右侧浮动按钮收起，二维码卡片居中弹出，页脚留出空间 */
  .fabs { display: none !important; }
  .fab-card {
    right: auto !important; left: 50%; bottom: 74px !important;
    transform: translateX(-50%); width: 200px;
  }
  footer { padding-bottom: 92px; }
}

/* ══════════════ 2026-11-04 中英文切换 ══════════════ */
.mainnav .lang {
  font-size: 12.5px; font-weight: 600; letter-spacing: .4px;
  padding: 6px 12px; margin-left: 4px;
  border: 1px solid rgba(31,138,76,.32); border-radius: 999px;
  color: var(--brand); background: rgba(31,138,76,.05);
}
.mainnav .lang:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* 英文页排版微调（中文页不受影响） */
html[lang="en"] body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.72;
}
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3, html[lang="en"] h4 { letter-spacing: -.2px; }
html[lang="en"] .lead { font-size: 16.5px; }
html[lang="en"] .card h3 { font-size: 17px; margin-bottom: 8px; }
html[lang="en"] .service-detail .d-body h4 { letter-spacing: 0; font-size: 14px; }
html[lang="en"] .inq .field > span { letter-spacing: 0; }

@media (max-width: 980px) {
  .nav.open .mainnav .lang { margin: 10px 0 0; text-align: center; display: block; }
}