:root {
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --fg: #14213d;
  --muted: #5b6b83;
  --accent: #c8102e;
  --accent-dark: #9d0b23;
  --gold: #ffd166;
  --card: #ffffff;
  --border: #e3e8f0;
  --radius: 12px;
  --shadow: 0 4px 18px rgba(20, 33, 61, .07);
  --shadow-lg: 0 12px 40px rgba(20, 33, 61, .12);
  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.75;
  overflow-x: hidden;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
a { color: var(--accent); text-decoration: none; transition: all .25s var(--ease); }
a:hover { text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===== 顶部联系条 ===== */
.topbar {
  background: var(--fg);
  color: #fff;
  font-size: .85rem;
  position: relative;
  overflow: hidden;
}
.topbar::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.06), transparent);
  animation: shimmer 8s infinite;
}
@keyframes shimmer {
  0%, 100% { left: -100%; }
  50% { left: 100%; }
}
.topbar .wrap {
  display: flex; justify-content: space-between; align-items: center;
  height: 36px; flex-wrap: wrap;
  position: relative; z-index: 1;
}
.topbar a { color: #ffd166; margin-left: 1rem; position: relative; }
.topbar a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: #ffd166;
  transition: width .3s var(--ease);
}
.topbar a:hover::after { width: 100%; }
.topbar .topbar-left span { margin-right: 1.25rem; }

/* ===== 导航 ===== */
.site-header {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(20,33,61,.08);
  background: rgba(255,255,255,.98);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: .6rem; transition: transform .3s var(--ease-spring); }
.logo:hover { transform: scale(1.02); }
.logo-mark {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; font-weight: 800; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 0;
  box-shadow: 0 2px 8px rgba(200,16,46,.25);
  transition: all .3s var(--ease-spring);
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,.3) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .6s var(--ease);
}
.logo:hover .logo-mark::after { transform: translateX(100%); }
.logo:hover .logo-mark { transform: rotate(-5deg) scale(1.05); box-shadow: 0 4px 16px rgba(200,16,46,.35); }
.logo-text { line-height: 1.2; }
.logo-text .cn { font-weight: 700; font-size: 1.08rem; color: var(--fg); display: block; }
.logo-text .en { font-size: .68rem; color: var(--muted); letter-spacing: .22em; text-transform: uppercase; }
.site-header nav a { color: var(--fg); margin-left: 1.6rem; font-size: .95rem; font-weight: 500; position: relative; }
.site-header nav a::before {
  content: '';
  position: absolute;
  bottom: -4px; left: 50%;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: all .3s var(--ease);
  transform: translateX(-50%);
}
.site-header nav a:hover { color: var(--accent); }
.site-header nav a:hover::before { width: 100%; }
.site-header nav a[aria-current] { color: var(--accent); font-weight: 700; }
.site-header nav a[aria-current]::before { width: 100%; }
.btn {
  display: inline-block; padding: .6rem 1.4rem; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 600; font-size: .95rem;
  border: 1px solid var(--accent); transition: all .3s var(--ease);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.btn::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  transform: translate(-50%, -50%);
  transition: width .4s var(--ease), height .4s var(--ease);
}
.btn:active::after { width: 300px; height: 300px; }
.btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200,16,46,.3);
}
.btn:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: rgba(200,16,46,.06); transform: translateY(-2px); }
.site-header nav .btn { margin-left: 1.4rem; padding: .45rem 1.15rem; }
.site-header nav .btn::before { display: none; }

/* ===== Hero ===== */
.hero {
  background:
    linear-gradient(rgba(20,33,61,.82), rgba(20,33,61,.86)),
    repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 24px, transparent 24px 48px),
    var(--fg);
  color: #fff;
  padding: 5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(200,16,46,.15) 0%, transparent 70%);
  animation: float 20s infinite ease-in-out;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 30px); }
}
.hero h1 {
  font-size: 2.4rem;
  line-height: 1.35;
  margin: 0 0 1rem;
  max-width: 30rem;
  animation: slideUp .8s var(--ease) .2s both;
}
.hero h1 em {
  color: #ffd166;
  font-style: normal;
  position: relative;
  display: inline-block;
}
.hero h1 em::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 0;
  width: 100%; height: 6px;
  background: rgba(255,209,102,.3);
  z-index: -1;
  border-radius: 3px;
}
.hero p {
  color: rgba(255,255,255,.82);
  max-width: 34rem;
  margin: 0 0 2rem;
  font-size: 1.05rem;
  animation: slideUp .8s var(--ease) .4s both;
}
.hero .actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: slideUp .8s var(--ease) .6s both;
}
.hero .btn {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 4px 15px rgba(200,16,46,.3);
}
.hero .btn:hover {
  background: #e01236;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(200,16,46,.4);
}
.hero .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.5);
  background: transparent;
  box-shadow: none;
}
.hero .btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.8);
  transform: translateY(-3px);
}
.hero .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  position: relative;
  z-index: 1;
}
.hero-badges {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.hero-badge {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: .9rem 1.4rem;
  min-width: 220px;
  backdrop-filter: blur(10px);
  transition: all .35s var(--ease-spring);
  animation: slideLeft .8s var(--ease) .5s both;
}
.hero-badge:nth-child(2) { animation-delay: .7s; }
.hero-badge:nth-child(3) { animation-delay: .9s; }
.hero-badge:hover {
  transform: translateX(-8px) scale(1.03);
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.3);
  box-shadow: 0 8px 25px rgba(0,0,0,.2);
}
.hero-badge b {
  display: block;
  font-size: 1.35rem;
  color: #ffd166;
  transition: transform .3s var(--ease-spring);
}
.hero-badge:hover b { transform: scale(1.1); }
.hero-badge span { font-size: .85rem; color: rgba(255,255,255,.75); }

/* ===== 通用 section ===== */
.section { padding: 4rem 0; }
.section.alt { background: var(--bg-soft); }
.section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2.5rem;
}
.section-head .kicker {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .8rem;
  display: inline-block;
  padding: .3rem .8rem;
  background: rgba(200,16,46,.06);
  border-radius: 999px;
  margin-bottom: .8rem;
}
.section-head h2 {
  font-size: 1.8rem;
  margin: .4rem 0 .8rem;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 50%;
  width: 40px; height: 3px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width .4s var(--ease);
}
.section-head:hover h2::after { width: 80px; }
.section-head p { color: var(--muted); margin: 0; }

/* ===== 数据带 ===== */
.stats {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 2rem 1.5rem;
}
.stat {
  text-align: center;
  padding: 1rem;
  border-radius: var(--radius);
  transition: all .3s var(--ease);
  cursor: default;
}
.stat:hover {
  background: var(--bg-soft);
  transform: translateY(-4px);
}
.stat b {
  display: block;
  font-size: 1.9rem;
  color: var(--accent);
  transition: all .3s var(--ease-spring);
}
.stat:hover b { transform: scale(1.1); color: var(--accent-dark); }
.stat span { color: var(--muted); font-size: .9rem; }

/* ===== 服务卡片 ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow);
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.card:hover::before { transform: scaleX(1); }
.card .icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(200,16,46,.08);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  transition: all .35s var(--ease-spring);
}
.card:hover .icon {
  background: var(--accent);
  color: #fff;
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 4px 15px rgba(200,16,46,.3);
}
.card h3 { margin: 0 0 .6rem; font-size: 1.1rem; }
.card p { color: var(--muted); font-size: .93rem; margin: 0; }

/* ===== 流程 ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem 1.4rem;
  transition: all .3s var(--ease);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: inline-block;
  font-size: .8rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .1em;
  margin-bottom: .6rem;
  padding: .2rem .5rem;
  background: rgba(200,16,46,.06);
  border-radius: 4px;
  transition: all .3s var(--ease);
}
.step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.step:hover::before {
  background: var(--accent);
  color: #fff;
}
.step h3 { margin: 0 0 .4rem; font-size: 1rem; }
.step p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ===== 贸易品类 ===== */
.categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.cat {
  display: flex;
  align-items: center;
  gap: .8rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .95rem 1.2rem;
  font-weight: 500;
  transition: all .3s var(--ease);
  cursor: default;
}
.cat .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  transition: all .3s var(--ease-spring);
}
.cat:hover {
  background: var(--bg-soft);
  border-color: var(--accent);
  transform: translateX(8px);
  box-shadow: 0 4px 15px rgba(20,33,61,.08);
}
.cat:hover .dot { transform: scale(1.5); box-shadow: 0 0 0 4px rgba(200,16,46,.15); }

/* ===== 信任带 ===== */
.trust {
  background: var(--fg);
  color: #fff;
  padding: 3.2rem 0;
  position: relative;
  overflow: hidden;
}
.trust::before {
  content: '';
  position: absolute;
  bottom: -50%; left: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,209,102,.08) 0%, transparent 70%);
  animation: float 15s infinite ease-in-out reverse;
}
.trust .wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 1;
}
.trust h3 {
  margin: 0 0 .8rem;
  font-size: 1.05rem;
  color: #ffd166;
  position: relative;
  display: inline-block;
}
.trust h3::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 30px; height: 2px;
  background: #ffd166;
  border-radius: 2px;
}
.trust p, .trust li { color: rgba(255,255,255,.78); font-size: .92rem; }
.trust ul { margin: 0; padding-left: 1.1rem; }
.trust li { margin-bottom: .5rem; transition: transform .25s var(--ease); }
.trust li:hover { transform: translateX(5px); color: #ffd166; }

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  text-align: center;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%);
  animation: float 12s infinite ease-in-out;
}
.cta h2 {
  margin: 0 0 .8rem;
  font-size: 1.8rem;
  animation: slideUp .6s var(--ease) .1s both;
}
.cta p {
  color: rgba(255,255,255,.85);
  margin: 0 0 1.8rem;
  animation: slideUp .6s var(--ease) .2s both;
}
.cta .btn {
  background: #fff;
  color: var(--accent);
  border-color: #fff;
  animation: slideUp .6s var(--ease) .3s both;
}
.cta .btn:hover {
  background: #ffe9ec;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0d1730;
  color: rgba(255,255,255,.65);
  padding: 3.5rem 0 2rem;
  font-size: .9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.site-footer h4 {
  color: #fff;
  margin: 0 0 .9rem;
  font-size: .98rem;
  position: relative;
  display: inline-block;
}
.site-footer h4::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 25px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .5rem; }
.site-footer a { color: rgba(255,255,255,.65); display: inline-block; transition: all .25s var(--ease); }
.site-footer a:hover { color: #ffd166; transform: translateX(4px); }
.footer-about p { margin: .8rem 0 0; max-width: 30rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 1.4rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .6rem;
}

/* ===== 内页 ===== */
.page-hero {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  top: -100%; right: -5%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(200,16,46,.05) 0%, transparent 70%);
}
.page-hero h1 {
  margin: 0 0 .5rem;
  font-size: 1.9rem;
  position: relative;
  display: inline-block;
}
.page-hero h1::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 50px; height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.page-hero p {
  color: var(--muted);
  margin: .8rem 0 0;
  max-width: 42rem;
}
article.page { padding: 3rem 0 4rem; max-width: 52rem; }
article.page h2 {
  margin-top: 2.2rem;
  position: relative;
  padding-left: 1rem;
}
article.page h2::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 4px; height: 60%;
  background: var(--accent);
  border-radius: 2px;
  transform: translateY(-50%);
}
article.page table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .95rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
article.page th, article.page td {
  border: 1px solid var(--border);
  padding: .65rem .9rem;
  text-align: left;
}
article.page th {
  background: var(--bg-soft);
  font-weight: 600;
}
article.page tbody tr { transition: background .2s var(--ease); }
article.page tbody tr:hover { background: rgba(200,16,46,.02); }
article.page pre {
  background: #0d1117;
  color: #e6edf3;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: .85rem;
  line-height: 1.6;
}
article.page code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
article.page p code {
  background: var(--bg-soft);
  padding: .15em .4em;
  border-radius: 4px;
  font-size: .88em;
}

/* ===== 文章卡片(资讯) ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}
.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.news-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.news-card:hover::after { transform: scaleX(1); }
.news-card .meta {
  color: var(--muted);
  font-size: .82rem;
  margin-bottom: .5rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.news-card .meta::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.news-card h3 {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
  line-height: 1.5;
}
.news-card h3 a { color: var(--fg); transition: color .25s var(--ease); }
.news-card h3 a:hover { color: var(--accent); }
.news-card p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ===== 联系表单 ===== */
form.quote-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
form.quote-form .full { grid-column: 1 / -1; }
form.quote-form label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--fg);
}
form.quote-form input, form.quote-form select, form.quote-form textarea {
  width: 100%;
  padding: .7rem .9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  color: var(--fg);
  transition: all .3s var(--ease);
}
form.quote-form input:focus, form.quote-form select:focus, form.quote-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200,16,46,.1);
}
form.quote-form input:hover, form.quote-form select:hover, form.quote-form textarea:hover {
  border-color: rgba(200,16,46,.3);
}
form.quote-form textarea { min-height: 130px; resize: vertical; }
.contact-cols {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 3rem;
  align-items: start;
}
.contact-info .item {
  display: flex;
  gap: .9rem;
  margin-bottom: 1.4rem;
  padding: 1rem;
  border-radius: var(--radius);
  transition: all .3s var(--ease);
}
.contact-info .item:hover {
  background: var(--bg-soft);
  transform: translateX(8px);
}
.contact-info .item .icon {
  width: 42px; height: 42px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(200,16,46,.08);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all .3s var(--ease-spring);
}
.contact-info .item:hover .icon {
  background: var(--accent);
  color: #fff;
  transform: scale(1.1);
}
.contact-info .item b { display: block; }
.contact-info .item span { color: var(--muted); font-size: .92rem; }

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all .8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all .8s var(--ease);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all .8s var(--ease);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(.9);
  transition: all .7s var(--ease-spring);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* 动画关键帧 */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideLeft {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ===== 响应式 ===== */
@media (max-width: 880px) {
  .hero .wrap { flex-direction: column; align-items: flex-start; }
  .hero-badges { flex-direction: row; flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-cols { grid-template-columns: 1fr; }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 1.65rem; }
  .topbar .topbar-left span { display: none; }
  .topbar .topbar-left span:first-child { display: inline; }
  .site-header nav a { margin-left: .9rem; font-size: .88rem; }
  .site-header nav .btn { display: none; }
  form.quote-form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-badge { min-width: 180px; }
}