/* ============ 基础 ============ */
:root {
  --dark: #0d1117;
  --dark2: #161b26;
  --dark3: #1e2433;
  --gold: #c9a45c;
  --gold-light: #e0c188;
  --red: #c0392b;
  --text: #d6dae3;
  --text-dim: #8b93a3;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 10px 40px rgba(0, 0, 0, .45);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s; }
ul { list-style: none; }

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

section { padding: 90px 0; }

/* 通用标题 */
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head .en {
  font-size: 13px; letter-spacing: 5px; color: var(--gold);
  text-transform: uppercase; display: block; margin-bottom: 10px;
}
.sec-head h2 {
  font-size: 34px; color: var(--white); font-weight: 700;
  position: relative; display: inline-block; padding-bottom: 18px;
}
.sec-head h2::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 0; width: 56px; height: 3px; background: var(--gold); border-radius: 2px;
}
.sec-head p { color: var(--text-dim); margin-top: 14px; font-size: 15px; }

/* 按钮 */
.btn {
  display: inline-block; padding: 13px 36px; border-radius: 50px;
  font-size: 15px; font-weight: 600; letter-spacing: 1px;
  transition: all .3s; cursor: pointer; border: none;
}
.btn-gold { background: linear-gradient(135deg, var(--gold), #a8823c); color: #14100a; }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(201, 164, 92, .35); }
.btn-line { border: 1px solid rgba(255,255,255,.4); color: var(--white); background: transparent; }
.btn-line:hover { border-color: var(--gold); color: var(--gold); }

/* ============ 顶部信息条 ============ */
.topbar {
  background: #090c12; font-size: 13px; color: var(--text-dim);
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.05);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar .hot { color: var(--gold); }

/* ============ 导航 ============ */
header {
  position: sticky; top: 0; z-index: 999;
  background: rgba(13, 17, 23, .92); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo .mark {
  width: 46px; height: 46px; border-radius: 50%;
  object-fit: cover; border: 1px solid rgba(201,164,92,.45);
}
.logo .name { color: var(--white); font-size: 21px; font-weight: 700; letter-spacing: 2px; }
.logo .name small { display: block; font-size: 10px; color: var(--text-dim); letter-spacing: 3px; font-weight: 400; }

nav ul { display: flex; gap: 6px; }
nav a {
  display: block; padding: 10px 18px; font-size: 15px; color: var(--text);
  border-radius: 6px; position: relative;
}
nav a:hover, nav a.active { color: var(--gold); }
nav a.active::after {
  content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 18px; height: 2px; background: var(--gold);
}
.nav-tel { display: flex; align-items: center; gap: 10px; color: var(--gold); font-weight: 700; font-size: 17px; }
.nav-tel .icon { font-size: 20px; }

.menu-btn { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.menu-btn span { width: 26px; height: 2px; background: var(--white); transition: .3s; }

/* ============ 轮播 ============ */
.hero { position: relative; height: 640px; overflow: hidden; padding: 0; }
.slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease;
  background-size: cover; background-position: center;
}
.slide.active { opacity: 1; }
.slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(9,12,18,.92) 0%, rgba(9,12,18,.72) 45%, rgba(9,12,18,.45) 100%);
}
.slide-inner {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  width: min(1200px, 92%); margin: 0 auto;
}
.slide-inner .tag {
  color: var(--gold); letter-spacing: 6px; font-size: 15px; margin-bottom: 18px;
  opacity: 0; transform: translateY(30px);
}
.slide-inner h1 {
  font-size: 52px; color: var(--white); font-weight: 800; line-height: 1.25;
  margin-bottom: 22px; opacity: 0; transform: translateY(30px); max-width: 640px;
}
.slide-inner h1 em { font-style: normal; color: var(--gold); }
.slide-inner p {
  color: var(--text); font-size: 17px; max-width: 540px; margin-bottom: 36px;
  opacity: 0; transform: translateY(30px);
}
.slide-inner .btns { opacity: 0; transform: translateY(30px); display: flex; gap: 16px; }
.slide.active .tag { animation: rise .8s .2s forwards; }
.slide.active h1 { animation: rise .8s .4s forwards; }
.slide.active p { animation: rise .8s .6s forwards; }
.slide.active .btns { animation: rise .8s .8s forwards; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.hero-dots {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 12px; z-index: 5;
}
.hero-dots button {
  width: 36px; height: 4px; border: none; border-radius: 2px;
  background: rgba(255,255,255,.3); cursor: pointer; transition: .3s;
}
.hero-dots button.on { background: var(--gold); }

/* ============ 优势条 ============ */
.strip { background: var(--dark2); padding: 0; border-block: 1px solid rgba(255,255,255,.05); }
.strip .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip-item { padding: 34px 20px; text-align: center; border-right: 1px solid rgba(255,255,255,.05); }
.strip-item:last-child { border-right: none; }
.strip-item .num { font-size: 38px; font-weight: 800; color: var(--gold); }
.strip-item .num span { font-size: 18px; margin-left: 3px; }
.strip-item .lbl { color: var(--text-dim); font-size: 14px; margin-top: 4px; }

/* ============ 关于 ============ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-pic { position: relative; }
.about-pic img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-pic::after {
  content: ""; position: absolute; top: -18px; left: -18px; right: 40%; bottom: 40%;
  border: 2px solid var(--gold); border-radius: var(--radius); z-index: -1; opacity: .45;
}
.about-txt .en { font-size: 13px; letter-spacing: 5px; color: var(--gold); text-transform: uppercase; }
.about-txt h2 { font-size: 32px; color: var(--white); margin: 10px 0 24px; }
.about-txt p { color: var(--text-dim); margin-bottom: 16px; font-size: 15px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0 34px; }
.about-points li { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 15px; }
.about-points li::before { content: "✓"; color: var(--gold); font-weight: bold; }

/* ============ 服务 ============ */
.services { background: var(--dark2); }
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.svc-card {
  background: var(--dark3); border-radius: var(--radius); padding: 40px 26px;
  text-align: center; border: 1px solid rgba(255,255,255,.06);
  transition: all .35s; position: relative; overflow: hidden;
}
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent); opacity: 0; transition: .35s;
}
.svc-card:hover { transform: translateY(-8px); border-color: rgba(201,164,92,.35); box-shadow: var(--shadow); }
.svc-card:hover::before { opacity: 1; }
.svc-card .ico {
  width: 68px; height: 68px; margin: 0 auto 22px; border-radius: 50%;
  background: rgba(201,164,92,.12); display: flex; align-items: center; justify-content: center;
  font-size: 30px;
}
.svc-card h3 { color: var(--white); font-size: 19px; margin-bottom: 12px; }
.svc-card p { color: var(--text-dim); font-size: 14px; min-height: 66px; }
.svc-card .more { color: var(--gold); font-size: 14px; }
.svc-card .more:hover { color: var(--gold-light); }

/* ============ 案例 ============ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: var(--dark2); border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(255,255,255,.06); transition: all .35s;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(201,164,92,.3); }
.case-card .pic { height: 220px; overflow: hidden; position: relative; }
.case-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.case-card:hover .pic img { transform: scale(1.08); }
.case-card .pic .cat {
  position: absolute; top: 14px; left: 14px; background: rgba(13,17,23,.85);
  color: var(--gold); font-size: 12px; padding: 5px 14px; border-radius: 30px;
  border: 1px solid rgba(201,164,92,.4);
}
.case-card .body { padding: 24px; }
.case-card h3 { color: var(--white); font-size: 18px; margin-bottom: 10px; line-height: 1.5; }
.case-card p { color: var(--text-dim); font-size: 14px; margin-bottom: 16px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.case-card .meta { display: flex; justify-content: space-between; color: var(--text-dim); font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.07); padding-top: 14px; }
.case-card .meta .lnk { color: var(--gold); }

/* ============ 流程 ============ */
.process { background: var(--dark2); }
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.flow-item { text-align: center; position: relative; padding: 30px 18px; }
.flow-item .step {
  width: 84px; height: 84px; margin: 0 auto 22px; border-radius: 50%;
  border: 2px solid rgba(201,164,92,.4); display: flex; align-items: center; justify-content: center;
  font-size: 32px; position: relative; background: var(--dark3);
}
.flow-item .step .no {
  position: absolute; top: -8px; right: -8px; width: 30px; height: 30px; border-radius: 50%;
  background: var(--gold); color: #14100a; font-size: 15px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.flow-item h3 { color: var(--white); font-size: 18px; margin-bottom: 10px; }
.flow-item p { color: var(--text-dim); font-size: 14px; }
.flow-item:not(:last-child)::after {
  content: "→"; position: absolute; right: -18px; top: 60px; color: var(--gold); font-size: 22px; opacity: .55;
}

/* ============ 新闻 ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: var(--dark2); border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(255,255,255,.06); transition: all .35s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-card .pic { height: 200px; overflow: hidden; }
.news-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-card:hover .pic img { transform: scale(1.07); }
.news-card .body { padding: 24px; }
.news-card .date { color: var(--gold); font-size: 13px; margin-bottom: 8px; }
.news-card h3 { color: var(--white); font-size: 17px; line-height: 1.55; margin-bottom: 10px; }
.news-card h3:hover { color: var(--gold); }
.news-card p { color: var(--text-dim); font-size: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ============ 评价 ============ */
.quotes { background: var(--dark2); }
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.quote-card {
  background: var(--dark3); border-radius: var(--radius); padding: 36px;
  border: 1px solid rgba(255,255,255,.06); position: relative;
}
.quote-card::before {
  content: "\201C"; position: absolute; top: 10px; left: 22px; font-size: 80px;
  color: var(--gold); opacity: .25; font-family: Georgia, serif; line-height: 1;
}
.quote-card p { color: var(--text); font-size: 15px; margin-bottom: 20px; position: relative; }
.quote-card .who { display: flex; align-items: center; gap: 12px; }
.quote-card .who .av {
  width: 46px; height: 46px; border-radius: 50%; background: rgba(201,164,92,.18);
  display: flex; align-items: center; justify-content: center; color: var(--gold); font-weight: 700;
}
.quote-card .who .nm { color: var(--white); font-size: 15px; }
.quote-card .who .nm small { display: block; color: var(--text-dim); font-size: 12px; }

/* ============ CTA ============ */
.cta {
  padding: 80px 0; text-align: center;
  background: linear-gradient(rgba(13,17,23,.88), rgba(13,17,23,.88)), url("../images/laili10.jpg") center/cover fixed;
}
.cta h2 { font-size: 34px; color: var(--white); margin-bottom: 14px; }
.cta h2 em { color: var(--gold); font-style: normal; }
.cta p { color: var(--text-dim); margin-bottom: 34px; font-size: 16px; }
.cta .tel-big { font-size: 30px; color: var(--gold); font-weight: 800; letter-spacing: 2px; margin-bottom: 30px; }

/* ============ 页脚 ============ */
footer { background: #090c12; border-top: 1px solid rgba(255,255,255,.06); padding: 70px 0 0; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 50px; }
.foot-grid h4 { color: var(--white); font-size: 17px; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.foot-grid h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--gold); }
.foot-grid p, .foot-grid li { color: var(--text-dim); font-size: 14px; margin-bottom: 10px; }
.foot-grid a:hover { color: var(--gold); }
.foot-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.foot-logo .mark {
  width: 42px; height: 42px; border-radius: 50%;
  object-fit: cover; border: 1px solid rgba(201,164,92,.45);
}
.foot-logo .nm { color: var(--white); font-size: 19px; font-weight: 700; letter-spacing: 2px; }
.foot-tel { color: var(--gold) !important; font-size: 22px !important; font-weight: 800; }
.copyright {
  border-top: 1px solid rgba(255,255,255,.06); padding: 20px 0; text-align: center;
  color: #566074; font-size: 13px;
}

/* ============ 内页横幅 ============ */
.page-hero {
  height: 300px; display: flex; align-items: center; padding: 0;
  background-size: cover; background-position: center; position: relative;
}
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(9,12,18,.82), rgba(9,12,18,.78)); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: var(--white); font-size: 40px; margin-bottom: 10px; }
.page-hero .crumb { color: var(--text-dim); font-size: 14px; }
.page-hero .crumb a:hover { color: var(--gold); }

/* ============ 服务详情页 ============ */
.svc-detail { display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; align-items: center; margin-bottom: 80px; }
.svc-detail:nth-child(even) .pic { order: 2; }
.svc-detail .pic img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: 340px; object-fit: cover; }
.svc-detail h3 { color: var(--white); font-size: 26px; margin-bottom: 18px; }
.svc-detail h3 span { color: var(--gold); margin-right: 10px; }
.svc-detail p { color: var(--text-dim); font-size: 15px; margin-bottom: 14px; }
.svc-detail ul { margin: 16px 0 0; display: grid; gap: 10px; }
.svc-detail ul li { color: var(--text); font-size: 14.5px; padding-left: 22px; position: relative; }
.svc-detail ul li::before { content: "•"; color: var(--gold); position: absolute; left: 4px; font-size: 18px; }

/* ============ 联系页 ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; }
.contact-info h3 { color: var(--white); font-size: 24px; margin-bottom: 20px; }
.contact-info p { color: var(--text-dim); margin-bottom: 26px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-item .ic {
  width: 50px; height: 50px; border-radius: 12px; flex-shrink: 0;
  background: rgba(201,164,92,.12); display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.contact-item .tt { color: var(--white); font-size: 16px; font-weight: 600; }
.contact-item .dd { color: var(--text-dim); font-size: 14px; }
.contact-item .dd.big { color: var(--gold); font-size: 20px; font-weight: 700; }

.form-card { background: var(--dark2); border-radius: var(--radius); padding: 40px; border: 1px solid rgba(255,255,255,.07); }
.form-card h3 { color: var(--white); font-size: 22px; margin-bottom: 8px; }
.form-card .sub { color: var(--text-dim); font-size: 14px; margin-bottom: 28px; }

/* 快捷在线咨询 */
.im-list { display: grid; gap: 14px; }
.im-link {
  display: flex; align-items: center; gap: 16px;
  background: var(--dark3); border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px; padding: 18px 22px; transition: all .3s;
}
a.im-link:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.35); }
.im-link img { width: 32px; height: 32px; flex-shrink: 0; }
.im-link .lb { color: var(--white); font-weight: 600; font-size: 16px; }
.im-link .lb small { display: block; color: var(--text-dim); font-weight: 400; font-size: 13px; margin-top: 2px; }
.im-link .go { margin-left: auto; color: var(--gold); font-size: 14px; white-space: nowrap; }
.im-note { color: var(--text-dim); font-size: 13px; margin-top: 22px; }
.crisp-open { color: var(--gold); cursor: pointer; }
.crisp-open:hover { color: var(--gold-light); }
a.im-link.crisp-open { color: inherit; }

/* ============ WhatsApp ============ */
.wa-ico { width: 22px; height: 22px; display: inline-block; vertical-align: middle; }
.nav-tel .wa-ico { width: 20px; height: 20px; }
.float-bar .wa-ico { width: 26px; height: 26px; }
a.tel-big { display: block; }
a.tel-big:hover { color: var(--gold-light); }
.foot-tel a { color: var(--gold); }
.foot-tel a:hover { color: var(--gold-light); }
.contact-item .dd.big a { color: inherit; }
.contact-item .ic .wa-ico { width: 26px; height: 26px; }

/* ============ 侧边浮动 ============ */
.float-bar {
  position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 998;
  display: flex; flex-direction: column; gap: 10px;
}
.float-bar a {
  width: 52px; height: 52px; border-radius: 12px; background: var(--dark3);
  border: 1px solid rgba(201,164,92,.3); display: flex; align-items: center; justify-content: center;
  font-size: 22px; transition: .3s; position: relative;
}
.float-bar a:hover { background: var(--gold); }
.float-bar a .tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%);
  background: var(--gold); color: #14100a; font-size: 13px; font-weight: 600;
  padding: 8px 14px; border-radius: 8px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: .25s;
}
.float-bar a:hover .tip { opacity: 1; right: 60px; }

/* ============ 动画 ============ */
.reveal { opacity: 0; transform: translateY(36px); transition: all .8s cubic-bezier(.22,.8,.35,1); }
.reveal.show { opacity: 1; transform: translateY(0); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-item:not(:last-child)::after { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .slide-inner h1 { font-size: 40px; }
  .nav-tel { display: none; }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }
  .topbar { display: none; }
  .menu-btn { display: flex; }
  nav {
    position: fixed; top: 76px; left: 0; right: 0; background: var(--dark2);
    max-height: 0; overflow: hidden; transition: max-height .4s;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  nav.open { max-height: 420px; }
  nav ul { flex-direction: column; padding: 12px 0; gap: 0; }
  nav a { padding: 14px 28px; }
  nav a.active::after { display: none; }
  .hero { height: 540px; }
  .slide-inner h1 { font-size: 30px; }
  .slide-inner p { font-size: 15px; }
  .strip .container { grid-template-columns: 1fr 1fr; }
  .strip-item:nth-child(2) { border-right: none; }
  .about-grid, .quote-grid, .contact-grid { grid-template-columns: 1fr; }
  .svc-detail { grid-template-columns: 1fr; }
  .svc-detail:nth-child(even) .pic { order: 0; }
  .case-grid, .news-grid, .svc-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 30px; }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; }
  .float-bar { right: 10px; }
  .float-bar a { width: 44px; height: 44px; font-size: 18px; }
  .sec-head h2 { font-size: 27px; }
}