/* =========================================================
 * 东禄臻(邯郸)国际贸易有限公司 · East Prosper 官网样式
 * 设计语言：明亮工业蓝（浅蓝主色 + 深海蓝结构色），通透清爽
 * ========================================================= */

:root {
  --navy-950: #0a2b55;
  --navy-900: #0e3565;
  --navy-800: #164277;
  --navy-700: #1e5195;
  --blue-700: #2a6fd6;
  --blue-600: #3b8bf0;
  --blue-500: #5ca8f5;
  --blue-400: #8cc3f9;
  --cyan-400: #5cd0f8;
  --blue-text: #1f66d0;      /* 浅底上的文字/图标强调色（保证可读性） */
  --paper: #f4f8fd;
  --paper-2: #e9f2fb;
  --white: #ffffff;
  --ink: #10233b;
  --gray: #55677e;
  --gray-l: #8496a9;
  --line: #d9e6f5;
  --shadow: 0 24px 60px rgba(14, 53, 101, .10);
  --shadow-sm: 0 10px 30px rgba(14, 53, 101, .08);
  --font-display: "Barlow Condensed", "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* 标题防孤字断行 */
h1, h2, h3, .sec-title, .hero-title { text-wrap: balance; }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-block; padding: 13px 34px; font-size: 13px;
  letter-spacing: .18em; text-transform: uppercase; font-weight: 600;
  border: 1px solid transparent; transition: all .35s var(--ease); border-radius: 3px;
}
.btn-blue { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }
.btn-blue:hover { background: var(--blue-500); border-color: var(--blue-500); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(59, 139, 240, .35); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .55); }
.btn-ghost:hover { border-color: var(--cyan-400); color: var(--cyan-400); }
.btn-dark { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }
.btn-dark:hover { background: var(--navy-900); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(14, 53, 101, .28); }
.btn-outline { color: var(--navy-800); border-color: var(--navy-800); background: transparent; }
.btn-outline:hover { background: var(--navy-800); color: #fff; }
.btn-lg { padding: 16px 46px; }

/* ---------------- 头部（蓝色背景，与 banner 协调） ---------------- */
#site-header {
  position: sticky; top: 0; z-index: 100;
  background: linear-gradient(100deg, var(--navy-800) 0%, var(--navy-700) 100%);
  border-bottom: 1px solid rgba(4, 18, 46, .35);
  transition: box-shadow .3s;
}
#site-header.scrolled { box-shadow: 0 8px 28px rgba(14, 53, 101, .22); }
.header-inner { width: min(1320px, 94%); margin: 0 auto; display: flex; align-items: center; gap: clamp(14px, 2.2vw, 30px); height: 78px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img {
  width: 46px; height: 46px; object-fit: contain;
  background: #fff; border-radius: 9px; padding: 4px;
  box-shadow: 0 4px 14px rgba(4, 18, 46, .25);
}
.logo-text { line-height: 1.15; }
.logo-text strong {
  display: block; font-family: var(--font-display); font-size: clamp(17px, 1.5vw, 22px);
  letter-spacing: .14em; color: #fff; white-space: nowrap; font-weight: 700;
}
.logo-text em { display: block; font-style: normal; font-size: clamp(9px, .78vw, 11px); color: rgba(255, 255, 255, .72); letter-spacing: .08em; white-space: nowrap; }
/* 导航左移：紧邻 Logo 与公司名称，右侧动作区自动推到尾部 */
.nav { display: flex; gap: clamp(2px, .4vw, 6px); margin-left: clamp(16px, 2.4vw, 38px); }
.nav-link {
  white-space: nowrap;
  padding: 8px clamp(7px, .95vw, 15px); font-size: clamp(11px, .82vw, 13px); font-weight: 600;
  letter-spacing: clamp(.04em, .06vw, .12em);
  color: rgba(255, 255, 255, .88); position: relative; transition: color .3s;
}
.nav-link::after {
  content: ''; position: absolute; left: 15px; right: 15px; bottom: 2px; height: 2px;
  background: var(--cyan-400); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: clamp(8px, 1vw, 14px); flex-shrink: 0; margin-left: auto; }
.header-phone {
  display: flex; align-items: center; gap: 8px; color: #fff;
  font-weight: 700; font-size: 14px; letter-spacing: .02em; white-space: nowrap;
  transition: color .3s;
}
.header-phone svg { color: var(--cyan-400); flex-shrink: 0; }
.header-phone:hover { color: var(--cyan-400); }
.lang-btn {
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .42);
  padding: 6px 12px; font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: #fff; border-radius: 3px; transition: all .3s;
}
.lang-btn:hover { border-color: var(--cyan-400); color: var(--cyan-400); background: rgba(92, 208, 248, .12); }
.menu-btn { display: none; background: none; border: 0; width: 30px; height: 24px; position: relative; }
.menu-btn span { display: block; height: 2px; background: #fff; margin: 5px 0; transition: all .3s; }

/* ---------------- 首页轮播 ---------------- */
#hero-slider { position: relative; height: clamp(520px, 78vh, 820px); overflow: hidden; background: var(--navy-900); }
.hero-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; visibility: hidden; transition: opacity 1.1s var(--ease), visibility 1.1s;
  display: flex; align-items: center;
}
.hero-slide.active { opacity: 1; visibility: visible; }
/* 双层遮罩：横向保证文字可读，纵向在顶部压暗与导航栏平滑衔接 */
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 38, 78, .72) 0%, rgba(8, 38, 78, 0) 26%),
    linear-gradient(100deg, rgba(8, 38, 78, .90) 0%, rgba(16, 60, 120, .66) 55%, rgba(16, 60, 120, .38) 100%);
}
.hero-content { position: relative; z-index: 2; }
.hero-kicker { color: var(--cyan-400); letter-spacing: .5em; font-size: 12px; font-weight: 600; margin-bottom: 20px; text-transform: uppercase; }
.hero-title {
  color: #fff; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(34px, 5vw, 62px); line-height: 1.18; max-width: 760px; letter-spacing: .02em;
}
.hero-sub { color: rgba(255, 255, 255, .85); font-size: 16px; max-width: 580px; margin: 22px 0 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero-dot { width: 26px; height: 3px; border: 0; background: rgba(255, 255, 255, .35); transition: all .3s; }
.hero-dot.active { background: var(--cyan-400); width: 40px; }

/* ---------------- 区块标题 ---------------- */
section.block { padding: 96px 0; }
.sec-head { text-align: center; margin-bottom: 20px; }
.sec-tag { color: var(--blue-text); font-size: 12px; font-weight: 700; letter-spacing: .4em; text-transform: uppercase; margin-bottom: 14px; }
.sec-title { font-family: var(--font-display); font-size: clamp(26px, 3.2vw, 40px); font-weight: 700; color: var(--navy-800); line-height: 1.25; }
.sec-line { display: block; width: 56px; height: 2px; background: var(--blue-600); margin: 22px auto 0; }
.sec-sub { text-align: center; color: var(--gray); max-width: 680px; margin: 18px auto 0; }
.sec-more { text-align: center; margin-top: 52px; }
.sec-head-light .sec-title { color: #fff; }
.sec-sub-light { color: rgba(255, 255, 255, .68) !important; }
.sec-head-light .sec-tag { color: var(--cyan-400); }
.sec-head-light .sec-line { background: var(--cyan-400); }

/* 深色 band 内的区块标题统一使用浅色（核心优势 / 合作流程等） */
.band-dark .sec-head .sec-tag { color: var(--cyan-400); }
.band-dark .sec-head .sec-title { color: #fff; }
.band-dark .sec-head .sec-line { background: var(--cyan-400); }
.band-dark .sec-head .sec-sub { color: rgba(255, 255, 255, .78); }

/* ---------------- 首页-关于 ---------------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.about-img { position: relative; }
.about-img img { border-radius: 4px; box-shadow: var(--shadow); }
.about-img::before {
  content: ''; position: absolute; top: 22px; left: -22px; right: 22px; bottom: -22px;
  border: 1px solid var(--blue-600); border-radius: 4px; z-index: -1; opacity: .5;
}
.about-badge {
  position: absolute; left: 26px; bottom: -18px; background: var(--navy-800); color: #fff;
  font-family: var(--font-display); letter-spacing: .22em; padding: 12px 26px; font-weight: 700; font-size: 15px;
}
.about-txt h2 { font-family: var(--font-display); font-size: clamp(24px, 2.6vw, 32px); line-height: 1.3; margin-bottom: 24px; color: var(--navy-800); }
.about-txt .sec-tag { text-align: left; }
.about-quote { border-left: 3px solid var(--blue-600); padding-left: 22px; color: var(--gray); margin-bottom: 26px; }
.about-points li { padding: 7px 0 7px 30px; position: relative; color: var(--ink); font-weight: 500; }
.about-points li::before { content: ''; position: absolute; left: 4px; top: 15px; width: 14px; height: 2px; background: var(--blue-600); }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 28px 0 34px; }
.stat { text-align: center; padding: 16px 6px; background: var(--white); border: 1px solid var(--line); border-radius: 4px; }
.stat strong { display: block; font-family: var(--font-display); font-size: 26px; color: var(--blue-text); }
.stat span { font-size: 12px; color: var(--gray); }

/* ---------------- 产品 ---------------- */
.p-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.p-card { background: var(--white); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; transition: all .4s var(--ease); display: block; }
.p-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: transparent; }
.p-img { aspect-ratio: 1 / .78; overflow: hidden; position: relative; }
.p-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.p-card:hover .p-img img { transform: scale(1.07); }
.p-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14, 53, 101, 0) 55%, rgba(14, 53, 101, .28) 100%);
  opacity: 0; transition: opacity .4s var(--ease);
}
.p-card:hover .p-img::after { opacity: 1; }
.p-info { padding: 20px 22px 24px; }
.p-info h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; color: var(--navy-800); }
.p-info p { font-size: 13px; color: var(--gray); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.p-more { display: inline-block; margin-top: 14px; font-size: 12px; letter-spacing: .12em; color: var(--blue-text); font-weight: 700; border-top: 1px solid var(--line); padding-top: 12px; width: 100%; }
.p-more:hover { color: var(--navy-800); }

/* ---------------- 核心优势（深色band，调亮） ---------------- */
.band-dark { background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 60%, var(--navy-700) 100%); padding: 96px 0; position: relative; overflow: hidden; }
.band-dark::before {
  content: ''; position: absolute; top: -180px; right: -180px; width: 420px; height: 420px;
  border-radius: 50%; background: radial-gradient(circle, rgba(92, 208, 248, .16), transparent 65%);
}
.band-dark::after {
  content: ''; position: absolute; bottom: -220px; left: -120px; width: 480px; height: 480px;
  border-radius: 50%; background: radial-gradient(circle, rgba(59, 139, 240, .18), transparent 65%);
}
.a-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 48px; position: relative; z-index: 2; }
.a-card {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(140, 195, 249, .20); border-radius: 4px;
  padding: 38px 30px; transition: all .4s var(--ease); position: relative; overflow: hidden;
}
.a-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--blue-600), var(--cyan-400)); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.a-card:hover { transform: translateY(-8px); border-color: rgba(92, 208, 248, .5); background: rgba(255, 255, 255, .08); }
.a-card:hover::before { transform: scaleX(1); }
.a-icon {
  width: 62px; height: 62px; border: 1px solid rgba(92, 208, 248, .4); color: var(--cyan-400);
  display: grid; place-items: center; border-radius: 50%; margin-bottom: 24px;
  background: rgba(92, 208, 248, .07);
}
.a-icon svg { width: 28px; height: 28px; }
.a-card h3 { font-size: 17px; margin-bottom: 12px; font-weight: 600; color: #fff; }
.a-card p { font-size: 13px; color: rgba(255, 255, 255, .68); line-height: 1.7; }

/* ---------------- 应用领域 ---------------- */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.app-card { position: relative; border-radius: 4px; overflow: hidden; aspect-ratio: 4 / 3; display: block; }
.app-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.app-card:hover img { transform: scale(1.08); }
.app-mask {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 22px; background: linear-gradient(180deg, rgba(10, 43, 85, 0) 30%, rgba(10, 43, 85, .82) 100%);
  transition: background .4s var(--ease);
}
.app-card:hover .app-mask { background: linear-gradient(180deg, rgba(10, 43, 85, .1) 20%, rgba(14, 53, 101, .88) 100%); }
.app-mask strong { color: #fff; font-size: 17px; font-weight: 600; letter-spacing: .04em; }
.app-mask span { color: rgba(255, 255, 255, .72); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-top: 2px; }

/* ---------------- 合作流程 ---------------- */
.proc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 48px; position: relative; z-index: 2; }
.proc-item { text-align: center; padding: 30px 10px; border: 1px solid rgba(140, 195, 249, .20); border-radius: 4px; transition: all .35s; background: rgba(255, 255, 255, .04); }
.proc-item:hover { border-color: var(--cyan-400); background: rgba(92, 208, 248, .08); transform: translateY(-4px); }
.proc-step { font-family: var(--font-display); font-size: 30px; color: var(--cyan-400); display: block; margin-bottom: 10px; }
.proc-item h4 { color: #fff; font-size: 14px; font-weight: 600; }

/* ---------------- CTA 横幅 ---------------- */
#home-cta { background: linear-gradient(rgba(14, 53, 101, .80), rgba(10, 43, 85, .86)), url('../img/cta.jpg') center/cover; padding: 100px 0; text-align: center; }
.cta-inner h2 { color: #fff; font-family: var(--font-display); font-size: clamp(26px, 3vw, 38px); margin-bottom: 14px; }
.cta-inner p { color: rgba(255, 255, 255, .72); margin-bottom: 36px; }

/* ---------------- 页面头图 ---------------- */
.page-hero {
  background: linear-gradient(rgba(14, 53, 101, .82), rgba(10, 43, 85, .88)), url('../img/hero-1.jpg') center/cover;
  padding: 96px 0; text-align: center;
}
.page-hero h1 { color: #fff; font-family: var(--font-display); font-size: clamp(30px, 3.6vw, 44px); }
.page-hero .kicker { color: var(--cyan-400); letter-spacing: .45em; font-size: 12px; font-weight: 700; margin-bottom: 14px; text-transform: uppercase; }

/* ---------------- 关于页 ---------------- */
.page-block { padding: 90px 0 0; }
.profile-txt { color: var(--gray); font-size: 15px; line-height: 1.95; }
.profile-txt p { margin-bottom: 18px; }
.values-band { background: linear-gradient(160deg, var(--navy-900), var(--navy-700)); padding: 90px 0; margin-top: 96px; }
.v-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 48px; }
.v-card { border: 1px solid rgba(140, 195, 249, .22); border-radius: 4px; padding: 36px 26px; transition: all .35s; text-align: center; }
.v-card:hover { border-color: var(--cyan-400); transform: translateY(-6px); background: rgba(92, 208, 248, .06); }
.v-card h3 { color: var(--cyan-400); font-size: 19px; margin-bottom: 12px; font-weight: 600; font-family: var(--font-display); letter-spacing: .1em; }
.v-card p { color: rgba(255, 255, 255, .68); font-size: 13px; }
.env-block { padding-bottom: 96px; }
.env-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.env-img img { border-radius: 4px; box-shadow: var(--shadow); }

/* ---------------- 联系页 ---------------- */
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; padding-bottom: 96px; }
.contact-info h2 { font-family: var(--font-display); font-size: 30px; margin-bottom: 30px; color: var(--navy-800); }
.c-item { padding: 18px 0; border-bottom: 1px solid var(--line); }
.c-item h5 { color: var(--blue-text); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 8px; }
.c-item p { color: var(--ink); font-size: 14px; line-height: 1.8; }
.c-item a { color: var(--blue-text); font-weight: 600; }
.c-item a:hover { color: var(--navy-800); }
.contact-form { background: var(--white); border: 1px solid var(--line); border-radius: 4px; padding: 40px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form textarea, .d-inq-form input, .d-inq-form textarea {
  width: 100%; padding: 13px 16px; border: 1px solid var(--line); border-radius: 3px;
  font-family: inherit; font-size: 14px; margin-bottom: 16px; background: var(--paper);
  transition: border-color .3s; resize: vertical; color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus,
.d-inq-form input:focus, .d-inq-form textarea:focus { outline: none; border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(59, 139, 240, .14); }
.form-msg { margin-top: 16px; font-size: 13px; min-height: 20px; }
.form-msg.ok { color: #1b7f4d; }
.form-msg.err { color: #c62828; }

/* ---------------- 产品详情页 ---------------- */
.crumb { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--gray); margin-bottom: 36px; flex-wrap: wrap; }
.crumb a { color: var(--gray); transition: color .3s; }
.crumb a:hover { color: var(--blue-text); }
.crumb i { font-style: normal; color: var(--gray-l); }
.crumb span { color: var(--ink); font-weight: 600; }
.d-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; margin-bottom: 72px; }
.d-img { position: relative; border-radius: 4px; overflow: hidden; box-shadow: var(--shadow); background: var(--white); }
.d-img img { width: 100%; aspect-ratio: 1 / .86; object-fit: cover; }
.d-info .d-cat { display: inline-block; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--blue-text); font-weight: 700; margin-bottom: 14px; }
.d-info h1 { font-family: var(--font-display); font-size: clamp(24px, 2.8vw, 36px); line-height: 1.3; margin-bottom: 18px; color: var(--navy-800); }
.d-desc { color: var(--gray); margin-bottom: 20px; }
.d-feats { margin-bottom: 26px; }
.d-feats li { padding: 7px 0 7px 30px; position: relative; color: var(--ink); font-weight: 500; font-size: 14px; }
.d-feats li::before { content: ''; position: absolute; left: 4px; top: 15px; width: 14px; height: 2px; background: var(--blue-600); }
.d-specs { width: 100%; border-collapse: collapse; margin-bottom: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.d-specs tr { border-bottom: 1px solid var(--line); }
.d-specs tr:last-child { border-bottom: 0; }
.d-specs th { text-align: left; font-weight: 600; color: var(--navy-800); font-size: 13px; padding: 12px 18px; width: 40%; background: var(--paper); }
.d-specs td { color: var(--gray); font-size: 13px; padding: 12px 18px; }
.d-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.d-detail { background: var(--white); border: 1px solid var(--line); border-radius: 4px; padding: 44px 48px; margin-bottom: 88px; }
.d-detail h2 { font-family: var(--font-display); font-size: 22px; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--navy-800); }
.d-detail p { color: var(--gray); line-height: 1.9; font-size: 14.5px; }
.d-related .sec-head { margin-bottom: 40px; }
.d-related .p-grid { margin-top: 0; }
.d-inquiry {
  background: var(--white); border: 1px solid var(--line); border-radius: 4px;
  box-shadow: var(--shadow); padding: 52px clamp(24px, 5vw, 88px) 48px; margin-bottom: 72px;
  margin-top: clamp(64px, 6vw, 96px);
}
.d-inq-title {
  text-align: center; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(20px, 2.2vw, 28px); color: var(--navy-800); margin-bottom: 38px;
}
.d-inq-form { max-width: 920px; margin: 0 auto; }
.d-inq-form .form-row { margin-bottom: 0; }
.d-inq-form .btn-lg { min-width: 200px; }

/* ---------------- 产品页 ---------------- */
.cat-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 34px 0 44px; }
.cat-tab {
  padding: 9px 24px; border: 1px solid var(--line); background: var(--white);
  font-size: 13px; letter-spacing: .08em; color: var(--navy-800); border-radius: 3px; transition: all .3s;
}
.cat-tab:hover { border-color: var(--blue-600); color: var(--blue-text); }
.cat-tab.active { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }

/* ---------------- 页脚（参考领启深色结构 + 全球暗纹） ---------------- */
#site-footer {
  background:
    radial-gradient(1100px 480px at 88% -12%, rgba(59, 139, 240, .20), transparent 62%),
    radial-gradient(820px 400px at 6% 112%, rgba(92, 208, 248, .10), transparent 60%),
    linear-gradient(165deg, var(--navy-950) 0%, var(--navy-900) 58%, var(--navy-800) 100%);
  color: rgba(255, 255, 255, .62); margin-top: 0; position: relative; overflow: hidden;
}
/* 低调点阵暗纹 */
#site-footer::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(140, 195, 249, .13) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 26%, #000 72%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 26%, #000 72%, transparent);
}
/* 地球线框 + 全球航线路暗纹（低调） */
.footer-bg { position: absolute; inset: 0; pointer-events: none; }
.footer-bg svg { width: 100%; height: 100%; }
.footer-bg .g-line { fill: none; stroke: rgba(140, 195, 249, .16); stroke-width: 1; }
.footer-bg .g-dot { fill: rgba(92, 208, 248, .30); }
.footer-bg .g-arc { fill: none; stroke: rgba(92, 208, 248, .14); stroke-width: 1.2; stroke-dasharray: 3 6; }
.footer-main { display: grid; grid-template-columns: 1.4fr .7fr .9fr 1.2fr auto; gap: 44px; padding: 72px 0 56px; position: relative; z-index: 2; }
/* 页脚品牌区：简称与 logo 同行 → 公司全称 → slogan */
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-logo img { width: 42px; height: 42px; object-fit: contain; background: #fff; border-radius: 8px; padding: 3px; }
.footer-logo strong { font-family: var(--font-display); color: #fff; font-size: 22px; letter-spacing: .14em; line-height: 1.2; }
.footer-brand-name { color: rgba(255, 255, 255, .82); font-size: 13.5px; letter-spacing: .02em; line-height: 1.65; margin-bottom: 12px; }
.footer-desc { font-size: 13px; line-height: 1.85; color: rgba(255, 255, 255, .55); }
.footer-col h4 { color: var(--cyan-400); font-size: 14px; letter-spacing: .18em; margin-bottom: 20px; font-weight: 600; }
.footer-col a { display: block; padding: 6px 0; font-size: 13px; color: rgba(255, 255, 255, .62); transition: all .3s; }
.footer-col a:hover { color: var(--cyan-400); padding-left: 6px; }
.footer-contact p { display: flex; gap: 10px; font-size: 13px; padding: 6px 0; align-items: flex-start; }
.footer-contact svg { color: var(--cyan-400); flex-shrink: 0; margin-top: 4px; }
.footer-contact a { color: rgba(255, 255, 255, .82); }
.footer-contact a:hover { color: var(--cyan-400); }
.footer-bar { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .10); font-size: 12px; color: rgba(255, 255, 255, .45); position: relative; z-index: 2; }

/* ---------------- 页脚二维码 ---------------- */
.footer-qr { display: flex; gap: 18px; justify-content: flex-end; align-items: flex-start; flex-wrap: nowrap; }
.qr-item { text-align: center; flex: 0 0 auto; width: 112px; display: block; }
.qr-item img {
  width: 112px; height: 112px; aspect-ratio: 1 / 1; object-fit: contain;
  background: #fff; padding: 7px; border-radius: 4px;
  display: block; transition: transform .35s var(--ease);
}
a.qr-item:hover img { transform: translateY(-4px); }
.qr-item span { display: block; margin-top: 10px; font-size: 11px; letter-spacing: .22em; color: var(--cyan-400); font-weight: 700; }

/* ---------------- 右侧悬浮客服面板 ---------------- */
/* 结构：#float-wrap(固定容器) > #float-toggle(常驻收起按钮) + #float-bar(可收起面板) */
#float-wrap {
  position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 90;
  display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
}
#float-bar {
  display: flex; flex-direction: column; gap: 2px; padding: 6px 0;
  background: linear-gradient(180deg, var(--navy-800), var(--navy-700));
  border-radius: 6px 0 0 6px; box-shadow: -8px 12px 30px rgba(14, 53, 101, .28);
  transition: transform .35s var(--ease);
}
#float-wrap.collapsed #float-bar { transform: translateX(100%); }
#float-toggle {
  width: 46px; height: 46px; border: 0; padding: 0; flex-shrink: 0;
  background: linear-gradient(180deg, var(--navy-800), var(--navy-700)); color: var(--cyan-400);
  display: grid; place-items: center; border-radius: 6px 0 0 6px;
  box-shadow: -8px 4px 18px rgba(14, 53, 101, .25); transition: all .3s var(--ease);
}
#float-toggle:hover { background: var(--blue-700); color: #fff; }
#float-toggle svg { transition: transform .35s var(--ease); }
#float-wrap.collapsed #float-toggle svg { transform: rotate(180deg); }
.f-btn {
  width: 46px; height: 46px; display: grid; place-items: center; color: var(--cyan-400);
  position: relative; cursor: pointer; transition: all .3s var(--ease); border-radius: 4px 0 0 4px;
  border: 0; background: none; padding: 0;
}
.f-btn:hover { background: var(--blue-600); color: #fff; }
.f-btn::after {
  content: attr(data-tip); position: absolute; right: 56px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: var(--navy-800); color: #fff; font-size: 12px; white-space: nowrap;
  padding: 7px 14px; border-radius: 3px; opacity: 0; pointer-events: none; transition: all .3s var(--ease);
  border: 1px solid rgba(92, 208, 248, .35);
}
.f-btn:hover::after { opacity: 1; transform: translateY(-50%); }
.f-pop {
  position: absolute; right: 56px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: #fff; padding: 10px; border-radius: 4px; opacity: 0; pointer-events: none;
  transition: all .3s var(--ease); box-shadow: 0 14px 40px rgba(14, 53, 101, .3); text-align: center;
  z-index: 95;
}
.f-pop img {
  width: 132px; height: 132px; max-width: none; aspect-ratio: 1 / 1;
  object-fit: contain; display: block; margin: 0 auto;
}
.f-pop b { display: block; margin-top: 6px; font-size: 12px; letter-spacing: .18em; color: var(--navy-800); }
.f-wechat:hover .f-pop, .f-wa:hover .f-pop { opacity: 1; transform: translateY(-50%); pointer-events: auto; }
.f-wechat:hover::after, .f-wa:hover::after { opacity: 0 !important; }

/* ---------------- 站内搜索（位于语言切换右侧） ---------------- */
.header-search { position: relative; display: flex; align-items: center; }
.header-search input {
  width: clamp(104px, 11vw, 184px); height: 36px; padding: 0 34px 0 15px;
  border: 1px solid rgba(255, 255, 255, .42); border-radius: 999px;
  background: rgba(255, 255, 255, .14); color: #fff; font-size: 13px;
  font-family: inherit; transition: all .3s var(--ease);
}
.header-search input::placeholder { color: rgba(255, 255, 255, .68); }
.header-search input:focus {
  outline: none; width: clamp(150px, 14vw, 224px);
  border-color: var(--cyan-400); background: rgba(255, 255, 255, .22);
  box-shadow: 0 0 0 3px rgba(92, 208, 248, .18);
}
.search-ico { position: absolute; right: 13px; top: 50%; transform: translateY(-50%); color: rgba(255, 255, 255, .78); pointer-events: none; }
.search-toggle {
  display: none; width: 36px; height: 36px; border: 1px solid rgba(255, 255, 255, .42);
  border-radius: 999px; background: rgba(255, 255, 255, .14); color: #fff;
  place-items: center; padding: 0;
}
.search-toggle:hover { border-color: var(--cyan-400); color: var(--cyan-400); }
.search-panel {
  position: absolute; top: calc(100% + 10px); right: 0; width: min(370px, calc(100vw - 40px));
  max-height: 440px; overflow-y: auto;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 18px 44px rgba(10, 43, 85, .25); padding: 8px; z-index: 200;
}
.search-group {
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--blue-text); font-weight: 700; padding: 10px 12px 6px;
}
.search-item {
  display: flex; align-items: center; gap: 12px; padding: 8px 12px;
  border-radius: 5px; transition: background .2s;
}
.search-item:hover { background: var(--paper-2); }
.search-item img { width: 44px; height: 44px; object-fit: cover; border-radius: 4px; flex-shrink: 0; border: 1px solid var(--line); }
.si-ico {
  width: 44px; height: 44px; border-radius: 4px; flex-shrink: 0;
  display: grid; place-items: center; color: var(--blue-text);
  background: var(--paper-2); border: 1px solid var(--line);
}
.si-text { min-width: 0; flex: 1; }
.si-text strong { display: block; font-size: 13px; color: var(--navy-800); font-weight: 600; line-height: 1.45; }
.si-text em { font-style: normal; font-size: 11px; color: var(--gray); }
.search-item mark { background: rgba(92, 208, 248, .32); color: var(--navy-800); border-radius: 2px; padding: 0 1px; }
.search-empty { padding: 26px 14px; text-align: center; color: var(--gray); font-size: 13px; }
.search-all {
  display: block; text-align: center; font-size: 12px; font-weight: 600;
  color: var(--blue-text); padding: 12px 0 6px; border-top: 1px solid var(--line); margin-top: 6px;
}
.search-all:hover { color: var(--navy-800); }

/* ---------------- 搜索结果页 ---------------- */
.q-hint {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--white); border: 1px solid var(--line); border-radius: 5px;
  padding: 12px 18px; margin: 18px 0 4px; font-size: 13px; color: var(--navy-800);
}
.q-hint a { color: var(--blue-text); font-weight: 600; white-space: nowrap; }
.q-hint a:hover { color: var(--navy-800); }
.q-others { margin-top: 72px; }
.q-others-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 1000px; margin: 40px auto 0; }
.q-other-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--white); border: 1px solid var(--line); border-radius: 5px;
  padding: 15px 18px; transition: all .3s var(--ease);
}
.q-other-item:hover { border-color: var(--blue-400); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.q-other-item strong { font-size: 14px; color: var(--navy-800); font-weight: 600; }
.q-other-item em { font-style: normal; font-size: 11px; letter-spacing: .1em; color: var(--blue-text); white-space: nowrap; }

/* ---------------- 动效 ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1200px) {
  .logo-text em { display: none; }
  .header-phone { font-size: 12px; }
  .header-search input { width: clamp(96px, 9vw, 140px); }
  .header-search input:focus { width: clamp(130px, 12vw, 180px); }
}
@media (max-width: 1080px) {
  .p-grid, .a-grid, .app-grid { grid-template-columns: repeat(2, 1fr); }
  .proc-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-qr { justify-content: flex-start; }
  .header-phone span { display: none; }
  .q-others-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 920px) {
  /* 搜索改为图标按钮，点击后在导航栏下方展开全宽搜索条（相对头部定位） */
  .header-search input, .header-search .search-ico { display: none; }
  .search-toggle { display: grid; }
  .header-search.open {
    position: absolute; top: 79px; left: 3%; right: 3%; width: auto; z-index: 210;
  }
  .header-search.open input {
    display: block; width: 100%; height: 44px;
    background: var(--navy-800); border-color: var(--cyan-400);
  }
  .header-search.open .search-ico { display: block; }
  .header-search.open .search-panel { top: calc(100% + 10px); left: 0; right: 0; width: auto; }
  .nav {
    position: fixed; top: 78px; left: 0; right: 0; background: linear-gradient(160deg, var(--navy-900), var(--navy-700));
    flex-direction: column; padding: 16px; gap: 2px; transform: translateY(-12px); opacity: 0;
    visibility: hidden; transition: all .35s var(--ease); z-index: 99;
  }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav-link { color: rgba(255, 255, 255, .88); padding: 13px 14px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .nav-link::after { display: none; }
  .nav-link.active { color: var(--cyan-400); }
  .menu-btn { display: block; }
  .menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn.open span:nth-child(2) { opacity: 0; }
  .menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .about-grid, .contact-grid, .d-grid { grid-template-columns: 1fr; gap: 44px; }
  .d-detail { padding: 28px 24px; }
  .v-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  section.block { padding: 72px 0; }
  .form-row { grid-template-columns: 1fr; }
  .about-txt .sec-tag { text-align: center; }
}
@media (max-width: 600px) {
  .p-grid, .a-grid, .app-grid, .v-grid { grid-template-columns: 1fr; }
  .proc-grid { grid-template-columns: repeat(2, 1fr); }
  #hero-slider { height: 66vh; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-qr { justify-content: flex-start; }
  .contact-form { padding: 26px; }
  .q-others-list { grid-template-columns: 1fr; }
  /* 悬浮面板在窄屏下不遮挡内容：二维码弹层缩小 */
  .f-pop img { width: 104px; height: 104px; }
  .f-pop { padding: 8px; }
  #float-wrap { top: auto; bottom: 20px; transform: none; }
}