/* ============================================================
   JT-Express 官网样式
   设计语言参考：红色主调企业官网（ec001f / 07111f / f5f8fc）
   ============================================================ */

:root {
  --red: #ec001f;
  --red-deep: #c5001a;
  --red-soft: #ffe3e6;
  --ink: #07111f;
  --muted: #566276;
  --line: #e8edf5;
  --soft: #f5f8fc;
  --green: #19b26b;
  --orange: #ff871a;
  --purple: #7c5cff;
  --wrap: 1280px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-sm: 0 2px 10px rgba(24, 38, 60, .04);
  --shadow-md: 0 14px 34px rgba(24, 38, 60, .08);
  --shadow-lg: 0 24px 60px rgba(24, 38, 60, .14);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { width: 100%; margin: 0; overflow-x: hidden; }
body {
  min-width: 320px;
  color: var(--ink);
  background: #fff;
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body, main, section { width: 100%; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

.wrap { width: min(var(--wrap), calc(100vw - 48px)); margin: 0 auto; }

/* 锚点定位时为吸顶导航留出空间 */
section[id], main[id] { scroll-margin-top: 76px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  transition: transform .18s ease, box-shadow .18s ease,
              background-color .18s ease, border-color .18s ease, color .18s ease;
}
.btn-lg { height: 52px; padding: 0 34px; font-size: 16px; }
.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 10px 24px rgba(236, 0, 31, .28);
}
.btn-primary:hover { background: var(--red-deep); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(236, 0, 31, .34); }
.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: #d6dfec;
}
.btn-ghost:hover { border-color: var(--red); color: var(--red); transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--red); box-shadow: 0 12px 28px rgba(7, 17, 31, .18); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(7, 17, 31, .24); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  height: 62px;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #eef1f6;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.nav.scrolled { box-shadow: 0 6px 22px rgba(24, 38, 60, .08); border-color: transparent; }
.nav-in {
  height: 62px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 26px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-logo { width: 34px; height: 34px; object-fit: contain; flex: 0 0 auto; }
.brand-name { color: var(--red); font-size: 21px; font-weight: 900; letter-spacing: -.02em; white-space: nowrap; }
.brand-sub { font-size: 12.5px; font-weight: 650; color: var(--muted); white-space: nowrap; padding-left: 10px; border-left: 1px solid var(--line); }

.menu { display: flex; justify-content: flex-end; gap: 6px; }
.menu a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 650;
  color: var(--muted);
  transition: color .15s ease, background-color .15s ease;
  white-space: nowrap;
}
.menu a:hover { color: var(--ink); background: var(--soft); }

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  position: relative;
}
.nav-burger span {
  position: absolute;
  left: 9px;
  width: 22px;
  height: 2.2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .22s ease, opacity .22s ease, top .22s ease;
}
.nav-burger span:nth-child(1) { top: 13px; }
.nav-burger span:nth-child(2) { top: 19px; }
.nav-burger span:nth-child(3) { top: 25px; }
.nav.open .nav-burger span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav.open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.open .nav-burger span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(720px 340px at 88% -8%, rgba(236, 0, 31, .07), transparent 62%),
    radial-gradient(560px 320px at -6% 106%, rgba(124, 92, 255, .05), transparent 60%),
    #fff;
}
.hero-in {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  align-items: center;
  gap: 34px;
  padding: 68px 0 96px;
}
.hero-copy { max-width: 640px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--red-soft);
  color: var(--red);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .02em;
  animation: rise .6s ease both;
}
.hero-copy h1 {
  margin: 18px 0 16px;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -.025em;
  animation: rise .6s ease .08s both;
}
.hero-copy h1 em { font-style: normal; color: var(--red); }
.hero-desc {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
  animation: rise .6s ease .16s both;
}
.hero-tags {
  margin: 20px 0 0;
  font-size: 13.5px;
  font-weight: 650;
  color: var(--muted);
  letter-spacing: .01em;
  animation: rise .6s ease .22s both;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  animation: rise .6s ease .28s both;
}
.hero-aud {
  margin: 20px 0 0;
  font-size: 13.5px;
  font-weight: 650;
  color: var(--muted);
  letter-spacing: .01em;
  animation: rise .6s ease .34s both;
}
.hero-art { opacity: 0; animation: ypHeroFade 1s ease .28s forwards; }
.hero-art svg { width: 100%; height: auto; }

@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes ypHeroFade { to { opacity: 1; } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes driftX { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(7px); } }
.art-float { animation: floatY 3.6s ease-in-out infinite; }
.art-float.a2 { animation-delay: 1.4s; }
#artTruck { animation: driftX 4.6s ease-in-out infinite; }

/* ---------- 数据条 ---------- */
.stats-section { margin-top: -46px; position: relative; z-index: 2; }
.stats-card {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  padding: 26px 30px;
}
.stat { display: flex; align-items: center; gap: 14px; padding: 8px 10px; }
.stat-icon {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 800;
}
.si-red { background: var(--red-soft); color: var(--red); }
.si-orange { background: #fff1e2; color: var(--orange); }
.si-blue { background: #e7f0ff; color: #2f6bff; }
.si-purple { background: #efeaff; color: var(--purple); }
.stat strong {
  display: block;
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}
.stat strong .num { display: inline; }
.stat > div > span { display: block; margin-top: 3px; font-size: 13px; font-weight: 600; color: var(--muted); }

/* ---------- 通用大区块 ---------- */
.products, .features, .service, .access, .solutions, .process { padding: 74px 0 0; }
.cta-band { margin-top: 74px; }

.sec-head { text-align: center; margin-bottom: 38px; }
.sec-eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: .28em;
  color: var(--red);
}
.sec-head h2 {
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -.02em;
}
.sec-sub { margin-top: 12px; font-size: 15px; color: var(--muted); }

/* ---------- 大面板（产品 / 接入 / 保障）---------- */
.product-card, .access-card, .service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 44px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}
.product-copy, .access-copy, .service-copy { position: sticky; top: 96px; }
.product-copy h2, .access-copy h2, .service-copy h2 {
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: -.02em;
}
.product-copy p, .access-copy p, .service-copy p {
  margin-top: 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.product-copy::after, .access-copy::after, .service-copy::after {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  border-radius: 4px;
  background: var(--red);
  margin-top: 22px;
}

/* 5 张卡片的网格改为弹性居中布局：末行不满时自动居中补齐，不留空栅格 */
.product-grid, .method-grid, .service-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
/* 产品与接入方式：4 卡 2×2 布局；服务保障 5 卡弹性居中 */
.product-grid .product, .method-grid .product { width: calc((100% - 14px) / 2); }
.service-grid .product { width: calc((100% - 28px) / 3); }
.product {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 18px 16px;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.product:hover {
  transform: translateY(-4px);
  border-color: rgba(236, 0, 31, .45);
  box-shadow: 0 16px 34px rgba(24, 38, 60, .1);
}
.product h3 { font-size: 16.5px; font-weight: 800; letter-spacing: -.01em; }
.product-media {
  margin: 12px 0;
  border-radius: 12px;
  aspect-ratio: 4 / 2.6;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.product-media svg { width: 62%; height: auto; }
.pm-red { background: linear-gradient(150deg, #fff5f6, #ffe3e6); }
.pm-red2 { background: linear-gradient(150deg, #fff0e8, #ffe3e6); }
.pm-ink { background: linear-gradient(150deg, #f2f5fa, #e8edf5); }
.pm-soft { background: linear-gradient(150deg, #f7fafd, #eef3fa); }
.pm-soft2 { background: linear-gradient(150deg, #f5f8fc, #f2f5fa); }
.product > p { display: flex; flex-wrap: wrap; gap: 6px; }
.product > p span {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

/* ---------- 功能全景 ---------- */
.features { background: linear-gradient(180deg, #fff, var(--soft) 30%, #fff); padding-top: 84px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 20px 12px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-col:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(236, 0, 31, .35); }
.feature-head { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; margin-bottom: 12px; }
.fh-ico {
  grid-row: 1 / span 2;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 19px;
}
.fi-red { background: var(--red-soft); color: var(--red); }
.fi-ink { background: #e9eef6; color: var(--ink); }
.fi-blue { background: #e7f0ff; color: #2f6bff; }
.fi-orange { background: #fff1e2; color: var(--orange); }
.feature-head h3 { font-size: 16.5px; font-weight: 800; }
.feature-head p { font-size: 12px; font-weight: 600; color: var(--muted); margin-top: 2px; }
.feature-col li {
  position: relative;
  padding: 7px 0 7px 16px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
}
.feature-col li:last-child { border-bottom: 0; }
.feature-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  opacity: .75;
}

/* ---------- 核心能力（细边框网格）---------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.cap { background: #fff; padding: 24px 22px; transition: background-color .2s ease; }
.cap:hover { background: #fffafc; }
.cap h3 { display: flex; align-items: center; gap: 8px; font-size: 15.5px; font-weight: 800; }
.cap h3::before { content: ""; width: 8px; height: 8px; border-radius: 2.5px; background: var(--red); }
.cap p { margin-top: 10px; font-size: 13px; line-height: 1.8; color: var(--muted); }

/* ---------- 服务保障（与产品面板同构，纵向列表）---------- */
.service-grid .product { display: block; }
.service-grid .product > p { margin-top: 10px; display: grid; gap: 4px; }
.service-grid .product > p span {
  background: transparent;
  padding: 0;
  color: var(--muted);
  font-size: 12.5px;
  white-space: normal;
}
.service-grid .product > p span::before { content: "·"; color: var(--red); font-weight: 900; margin-right: 6px; }

/* ---------- 解决方案 ---------- */
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.solution {
  position: relative;
  border-radius: 20px;
  padding: 28px 26px 24px;
  background: linear-gradient(160deg, #fff, var(--soft));
  border: 1px solid var(--line);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.solution:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(236, 0, 31, .35); }
.sol-badge {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 26px;
  padding: 0 10px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-size: 12.5px;
  font-weight: 800;
  margin-bottom: 14px;
}
.sol-badge-ink { background: var(--ink); }
.sol-badge-orange { background: var(--orange); }
.solution h3 { font-size: 18px; font-weight: 800; letter-spacing: -.01em; }
.solution p { margin-top: 10px; font-size: 13.5px; line-height: 1.85; color: var(--muted); }
.sol-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sol-tags span {
  padding: 5px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 合作流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.steps li {
  counter-increment: step;
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 18px 18px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.steps li:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--red-soft);
  color: var(--red);
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 14px;
}
.steps li::after {
  content: "";
  position: absolute;
  top: 39px;
  right: -13px;
  width: 12px;
  height: 2px;
  background: #d6dfec;
}
.steps li:last-child::after { display: none; }
.steps strong { display: block; font-size: 15.5px; font-weight: 800; }
.steps span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--muted); line-height: 1.6; }

/* ---------- CTA 色带 ---------- */
.cta-band {
  position: relative;
  background:
    radial-gradient(640px 240px at 16% 0%, rgba(255, 255, 255, .16), transparent 60%),
    linear-gradient(120deg, var(--red-deep), var(--red) 55%, #ff5a63);
  color: #fff;
  padding: 66px 0;
  overflow: hidden;
}
.cta-in { text-align: center; }
.cta-in h2 { font-size: clamp(26px, 3.2vw, 40px); font-weight: 900; line-height: 1.32; letter-spacing: -.02em; }
.cta-points {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 30px;
}
.cta-points span {
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .28);
  font-size: 14px;
  font-weight: 700;
}
.cta-foot { margin-top: 18px; font-size: 12.5px; font-weight: 600; opacity: .85; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--soft); border-top: 1px solid var(--line); padding: 52px 0 26px; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 30px;
}
.foot-brand p { margin-top: 14px; font-size: 13px; line-height: 1.9; color: var(--muted); max-width: 300px; }
.foot-col h3 { font-size: 14px; font-weight: 800; margin-bottom: 14px; }
.foot-col a {
  display: block;
  padding: 5px 0;
  font-size: 13px;
  color: var(--muted);
  transition: color .15s ease;
}
.foot-col a:hover { color: var(--red); }
.foot-bottom {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12.5px;
}
.foot-bottom a:hover { color: var(--red); }

/* ---------- 悬浮咨询 ---------- */
.consult-fab {
  position: fixed;
  right: 20px;
  bottom: calc(22px + env(safe-area-inset-bottom));
  z-index: 70;
  height: 50px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 14px 32px rgba(236, 0, 31, .4);
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.consult-fab:hover { transform: translateY(-2px); background: var(--red-deep); box-shadow: 0 18px 38px rgba(236, 0, 31, .46); }

.consult-panel {
  position: fixed;
  right: 20px;
  bottom: calc(84px + env(safe-area-inset-bottom));
  z-index: 80;
  width: 302px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 20px;
  opacity: 0;
  transform: translateY(14px) scale(.98);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}
.consult-panel.open { opacity: 1; transform: none; pointer-events: auto; }
.consult-x {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
  transition: background-color .15s ease, color .15s ease;
}
.consult-x:hover { background: var(--red-soft); color: var(--red); }
.consult-title { font-size: 17px; font-weight: 900; letter-spacing: -.01em; }
.consult-sub { margin: 6px 0 14px; font-size: 12.5px; color: var(--muted); }
.consult-qr { background: var(--soft); border: 1px dashed #d6dfec; border-radius: 12px; padding: 12px; }
.qr-placeholder { background: #fff; border-radius: 8px; padding: 8px; }
.qr-placeholder img { width: 100%; height: auto; border-radius: 6px; }
.consult-qr figcaption { margin-top: 8px; text-align: center; font-size: 12px; font-weight: 600; color: var(--muted); }
.consult-rows { margin-top: 14px; padding-top: 6px; border-top: 1px solid var(--line); }
.consult-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
}
.consult-row strong { color: var(--ink); font-size: 13.5px; font-weight: 800; font-variant-numeric: tabular-nums; }
.consult-foot { margin: 6px 0 0; font-size: 11.5px; color: #9aa6b8; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease var(--d, 0s), transform .65s ease var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1120px) {
  .hero-in { grid-template-columns: minmax(0, 1fr) minmax(0, 440px); gap: 22px; padding: 52px 0 88px; }
  .brand-sub { display: none; }
  .menu a { padding: 9px 10px; font-size: 13.5px; }
  .product-card, .access-card, .service-card { grid-template-columns: 240px 1fr; padding: 34px; gap: 26px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 920px) {
  .menu {
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 4px;
    padding: 12px 20px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav.open .menu { display: flex; }
  .nav-burger { display: block; justify-self: end; }
  .hero-in { grid-template-columns: 1fr; padding: 44px 0 84px; }
  .hero-art { max-width: 480px; margin: 0 auto; }
  .stats-card { grid-template-columns: repeat(2, 1fr); padding: 20px; }
  .product-card, .access-card, .service-card { grid-template-columns: 1fr; }
  .product-copy, .access-copy, .service-copy { position: static; }
  .product-grid .product, .method-grid .product, .service-grid .product { width: calc((100% - 14px) / 2); }
  .cap-grid, .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:last-child { grid-column: span 2; }
  .steps li::after { display: none; }
  .foot-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100vw - 32px); }
  .hero-copy h1 { font-size: 32px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .stats-card { grid-template-columns: 1fr 1fr; gap: 4px; }
  .stat { padding: 8px 4px; }
  .stat strong { font-size: 21px; }
  .product-grid .product, .method-grid .product, .service-grid .product { width: 100%; }
  .cap-grid, .solution-grid, .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .consult-fab { right: 14px; padding: 0 18px; height: 46px; }
  .consult-panel { right: 14px; left: 14px; width: auto; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-art, .reveal { opacity: 1; transform: none; }
}