/* =========================================================
   星晚文化 · 官网样式 v5
   设计方向：东方雅致 · 金线夜航（Refined Editorial）
   —— 暖白纸底为主，墨蓝夜色为辅，品牌金仅作精致点缀（10%）
   —— LOGO 仍为正式品牌件（浅底深蓝版 / 深底白色版）
   ========================================================= */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Noto+Serif+SC:wght@600;700;900&display=swap");

:root {
  /* 基底：暖白纸感（主色 60%） */
  --paper: #FBF9F4;        /* 主背景 */
  --paper-2: #F4EDE0;      /* 浅米：柔和区块底 */
  --paper-3: #ECE3D0;      /* 米色描边 / 分隔 */
  --card: #FFFFFF;

  /* 墨蓝夜色（辅助 30%，仅用于深色块 / 文字 / 图标） */
  --night: #0E1B2E;        /* 墨蓝黑：最深夜色 */
  --night-2: #14253B;      /* 深墨蓝 */
  --navy: #1A365C;         /* 品牌深蓝：强调文字 / 图标 */
  --navy-2: #2C4F7C;      /* 分层深蓝 */
  --grayblue: #487090;     /* 辅助灰蓝 */

  /* 品牌金（强调 10%，克制使用） */
  --gold: #F1C619;         /* 金：仅用于深色块上 */
  --gold-line: #C9A227;    /* 浅底金边 / 金线 */
  --gold-strong: #9A7B1E;  /* 浅底金字（对比度达标） */
  --gold-soft: #E8C766;    /* 金光晕 */

  /* 文字 */
  --ink: #1A2233;
  --muted: #5C6678;
  --night-text: #E9E4D6;   /* 深底浅字 */
  --night-muted: #9DABBF;  /* 深底次字 */

  /* 渐变 */
  --grad-night: linear-gradient(150deg, #0E1B2E 0%, #14253B 55%, #1A365C 100%);
  --grad-gold: linear-gradient(135deg, #C9A227 0%, #F1C619 100%);
  --grad-cool: linear-gradient(135deg, #2C4F7C 0%, #487090 100%);
  --grad-title: linear-gradient(120deg, #1A365C 0%, #A87F1E 100%);

  /* 字体（展示层宋体 / 信息层黑体） */
  --font-display: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "STSong", "SimSun", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;

  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px -22px rgba(14, 27, 46, 0.45);
  --shadow-soft: 0 12px 30px -16px rgba(26, 34, 51, 0.22);
  --maxw: 1180px;
  --nav-h: 72px;
}

* { 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;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 { font-family: var(--font-display); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 文字工具 ---------- */
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gold-strong);
  background: rgba(201, 162, 39, 0.10);
  border: 1px solid rgba(201, 162, 39, 0.34);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.5px;
  color: var(--night);
}
.section-sub { color: var(--muted); font-size: 16px; margin-top: 12px; max-width: 620px; }
.text-grad {
  background: var(--grad-title);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { font-size: 18px; color: var(--muted); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-night);
  color: #fff;
  box-shadow: var(--shadow);
  border-color: rgba(201, 162, 39, 0);
}
.btn-primary:hover {
  transform: translateY(-2px);
  border-color: var(--gold-line);
  box-shadow: 0 22px 50px -18px rgba(14, 27, 46, 0.6);
}
.btn-ghost { background: #fff; color: var(--navy); box-shadow: var(--shadow-soft); border: 1px solid var(--paper-3); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--gold-line); }
.btn svg { width: 18px; height: 18px; }

/* =========================================================
   导航栏
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(251, 249, 244, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--paper-3);
}
.nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--night); }
.brand small { display: block; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: 1px; }
.brand .brand-logo { height: 34px; width: auto; display: block; }
.footer .brand .brand-logo { height: 38px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; font-weight: 600; color: var(--ink); position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; border-radius: 2px; background: var(--gold-line);
  transition: width 0.22s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links .nav-cta {
  margin-left: 8px;
  background: transparent;
  color: #1A365C;
  border-color: rgba(26, 54, 92, 0.30);
  box-shadow: none;
}
.nav-links .nav-cta:hover {
  transform: translateY(-2px);
  background: rgba(241, 198, 25, 0.18);
  border-color: #1A365C;
  box-shadow: 0 8px 20px -12px rgba(26, 54, 92, 0.45);
}
.nav-links .nav-cta::after { display: none; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border: none; background: transparent;
  cursor: pointer; border-radius: 12px;
}
.nav-toggle span { display: block; width: 22px; height: 2.5px; background: var(--night); margin: 4px auto; border-radius: 2px; transition: 0.2s; }

/* =========================================================
   页脚（夜色块 + 金线）
   ========================================================= */
.footer {
  margin-top: 90px;
  background: var(--grad-night);
  color: var(--night-text);
  border-radius: 36px 36px 0 0;
  padding: 64px 0 36px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(241,198,25,.65), transparent);
}
.footer::after {
  content: ""; position: absolute; right: -80px; bottom: -80px; width: 320px; height: 320px;
  border-radius: 50%; background: radial-gradient(circle, rgba(241,198,25,.10), transparent 70%);
}
.footer .grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  position: relative;
}
.footer .brand { color: #fff; }
.footer .brand small { color: var(--night-muted); }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer a { color: var(--night-text); font-size: 14px; display: block; padding: 5px 0; }
.footer a:hover { color: var(--gold); }
.footer p { font-size: 14px; line-height: 1.8; }
.footer .socials { display: flex; gap: 12px; margin-top: 16px; }
.footer .socials a {
  width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,.06);
  display: grid; place-items: center; padding: 0; border: 1px solid rgba(241,198,25,.18);
}
.footer .socials a:hover { background: var(--gold); color: var(--night); border-color: var(--gold); }
.footer-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: var(--night-muted);
  position: relative;
}

/* =========================================================
   Hero（首页首屏）
   ========================================================= */
.hero {
  position: relative;
  padding: 76px 0 84px;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: -180px; right: -120px;
  width: 540px; height: 540px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,.10), transparent 70%);
}
.hero::after {
  content: ""; position: absolute; bottom: -200px; left: -140px;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(26,54,92,.10), transparent 70%);
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5.4vw, 60px); font-weight: 900; line-height: 1.12; letter-spacing: -1px; color: var(--night); }
.hero p { margin: 22px 0 32px; font-size: 18px; color: var(--muted); max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 44px; }
.hero-stats .num { font-size: 30px; font-weight: 900; font-family: var(--font-display); color: var(--night); }
.hero-stats .num span { color: var(--gold-strong); }
.hero-stats .lbl { font-size: 13px; color: var(--muted); }
.hero-art {
  position: relative; aspect-ratio: 1/1; border-radius: 28px;
  background: url("../assets/hero-art.webp") center/cover no-repeat, var(--grad-night);
  box-shadow: var(--shadow);
  display: grid; place-items: center; overflow: hidden;
}
.hero-art::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,27,46,.10) 0%, rgba(14,27,46,.38) 100%);
}
.hero-art::after {
  content: ""; position: absolute; inset: 18px; border: 1px solid rgba(241,198,25,.22);
  border-radius: 18px;
}
.hero-art .blob { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .4; }
.hero-art .b1 { width: 180px; height: 180px; background: #fff; top: 30px; left: 30px; opacity: .10; }
.hero-art .b2 { width: 120px; height: 120px; background: var(--gold); bottom: 40px; right: 40px; opacity: .45; }
.hero-art .b3 { width: 90px; height: 90px; background: var(--grayblue); bottom: 70px; left: 60px; }
.hero-art .play {
  position: relative; z-index: 2; width: 92px; height: 92px; border-radius: 50%;
  background: rgba(255,255,255,.96); display: grid; place-items: center;
  box-shadow: 0 14px 30px rgba(14,27,46,.4); cursor: pointer; border: 1px solid rgba(241,198,25,.5);
}
.hero-art .play svg { width: 34px; height: 34px; color: var(--navy); margin-left: 4px; }
.hero-art .tag {
  position: absolute; z-index: 2; background: rgba(255,255,255,.96); color: var(--night);
  font-size: 13px; font-weight: 700; padding: 8px 14px; border-radius: 999px;
  box-shadow: var(--shadow-soft); border: 1px solid rgba(201,162,39,.3);
}
.hero-art .t1 { top: 36px; right: 28px; }
.hero-art .t2 { bottom: 34px; left: 26px; }

/* =========================================================
   通用区块
   ========================================================= */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head .section-sub { margin-left: auto; margin-right: auto; }

/* 业务概览三栏 */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.svc-card {
  background: var(--card); border-radius: var(--radius); padding: 34px 30px;
  box-shadow: var(--shadow-soft); border: 1px solid var(--paper-3);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative; overflow: hidden;
}
.svc-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad-gold); opacity: 0; transition: opacity .22s ease;
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(201,162,39,.4); }
.svc-card:hover::before { opacity: 1; }
.svc-card .ic {
  width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center;
  color: #fff; margin-bottom: 22px;
}
.svc-card:nth-child(1) .ic { background: var(--grad-night); }
.svc-card:nth-child(2) .ic { background: var(--grad-gold); color: var(--night); }
.svc-card:nth-child(3) .ic { background: var(--grad-cool); }
.svc-card .ic svg { width: 32px; height: 32px; }
.svc-card h3 { font-size: 21px; margin-bottom: 10px; color: var(--night); }
.svc-card p { color: var(--muted); font-size: 15px; }
.svc-card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 700; color: var(--gold-strong); font-size: 14px; }
.svc-card .more svg { width: 16px; height: 16px; transition: transform .2s; }
.svc-card:hover .more svg { transform: translateX(4px); }

/* 核心优势 */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature {
  background: var(--card); border-radius: var(--radius-sm); padding: 26px 22px;
  border: 1px solid var(--paper-3); text-align: center;
}
.feature .num {
  font-size: 34px; font-weight: 900; font-family: var(--font-display);
  background: var(--grad-title);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.feature h4 { font-size: 17px; margin: 8px 0 6px; color: var(--night); }
.feature p { font-size: 14px; color: var(--muted); }

/* 案例预览（首页） */
.case-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  border-radius: var(--radius); overflow: hidden; background: var(--card);
  box-shadow: var(--shadow-soft); border: 1px solid var(--paper-3);
  transition: transform .22s ease, box-shadow .22s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-thumb { aspect-ratio: 16/10; display: grid; place-items: center; color: #fff; position: relative; background: var(--grad-night); }
.case-thumb .play { width: 56px; height: 56px; border-radius: 50%; background: rgba(255,255,255,.92); display: grid; place-items: center; }
.case-thumb .play svg { width: 22px; height: 22px; color: var(--navy); margin-left: 3px; }
.case-body { padding: 20px 22px 24px; }
.case-body .tag { font-size: 12px; font-weight: 700; color: var(--gold-strong); letter-spacing: 1px; }
.case-body h4 { font-size: 18px; margin: 6px 0; color: var(--night); }
.case-body p { font-size: 14px; color: var(--muted); }

/* 案例缩略图：墨蓝夜色系的不同明度（克制、统一、高级） */
.case-row .case-card:nth-child(1) .case-thumb { background: linear-gradient(135deg, #0E1B2E, #1A365C); }
.case-row .case-card:nth-child(2) .case-thumb { background: linear-gradient(135deg, #14253B, #2C4F7C); }
.case-row .case-card:nth-child(3) .case-thumb { background: linear-gradient(135deg, #1A365C, #487090); }
.case-grid .case-card:nth-child(1) .case-thumb { background: linear-gradient(135deg, #0E1B2E, #1A365C); }
.case-grid .case-card:nth-child(2) .case-thumb { background: linear-gradient(135deg, #14253B, #2C4F7C); }
.case-grid .case-card:nth-child(3) .case-thumb { background: linear-gradient(135deg, #1A365C, #C9A227); }
.case-grid .case-card:nth-child(4) .case-thumb { background: linear-gradient(135deg, #2C4F7C, #487090); }
.case-grid .case-card:nth-child(5) .case-thumb { background: linear-gradient(135deg, #0E1B2E, #14253B); }
.case-grid .case-card:nth-child(6) .case-thumb { background: linear-gradient(135deg, #14253B, #1A365C); }
.case-grid .case-card:nth-child(7) .case-thumb { background: linear-gradient(135deg, #0E1B2E, #2C4F7C); }

/* 联系板块（夜色块 + 金光） */
.contact-wrap {
  background: var(--grad-night); border-radius: 28px; padding: 56px 48px;
  color: #fff; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.contact-wrap::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 88% 12%, rgba(241,198,25,.18), transparent 38%);
}
.contact-wrap::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--grad-gold);
}
.contact-wrap h2 { font-size: clamp(26px, 3.5vw, 36px); font-weight: 900; position: relative; }
.contact-wrap p { margin-top: 14px; opacity: .9; max-width: 420px; position: relative; }
.contact-info { display: grid; gap: 16px; position: relative; z-index: 2; }
.contact-info .row { display: flex; align-items: center; gap: 14px; background: rgba(255,255,255,.08); padding: 14px 18px; border-radius: 14px; border: 1px solid rgba(241,198,25,.16); }
.contact-info .row .ic { width: 40px; height: 40px; border-radius: 11px; background: rgba(241,198,25,.92); color: var(--night); display: grid; place-items: center; flex: none; }
.contact-info .row .ic svg { width: 20px; height: 20px; }
.contact-info .row span { font-size: 14px; opacity: .85; display: block; }
.contact-info .row b { font-size: 16px; }

/* =========================================================
   内页：通用页头
   ========================================================= */
.page-hero { padding: 64px 0 40px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; top: -120px; right: -60px; width: 360px; height: 360px;
  border-radius: 50%; background: radial-gradient(circle, rgba(201,162,39,.10), transparent 70%);
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(30px, 4.5vw, 48px); font-weight: 900; letter-spacing: -1px; color: var(--night); }
.page-hero p { margin-top: 16px; color: var(--muted); font-size: 17px; max-width: 640px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a:hover { color: var(--gold-strong); }

/* 业务详情 */
.svc-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.svc-block { background: var(--card); border: 1px solid var(--paper-3); border-radius: var(--radius); padding: 36px 32px; box-shadow: var(--shadow-soft); position: relative; overflow: hidden; }
.svc-block .ic { width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; color: #fff; margin-bottom: 20px; }
.svc-block:nth-child(1) .ic { background: var(--grad-night); }
.svc-block:nth-child(2) .ic { background: var(--grad-gold); color: var(--night); }
.svc-block:nth-child(3) .ic { background: var(--grad-cool); }
.svc-block:nth-child(4) .ic { background: var(--grad-night); }
.svc-block h3 { font-size: 22px; margin-bottom: 10px; color: var(--night); }
.svc-block .desc { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.svc-block ul li { display: flex; gap: 10px; padding: 7px 0; font-size: 15px; align-items: flex-start; }
.svc-block ul li svg { width: 18px; height: 18px; color: var(--gold-line); flex: none; margin-top: 4px; }
.svc-block .who { margin-top: 18px; font-size: 13px; color: var(--gold-strong); font-weight: 700; }

/* 关于我们 */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-art { aspect-ratio: 4/3; border-radius: 24px; background: var(--grad-night); box-shadow: var(--shadow); display: grid; place-items: center; color: #fff; position: relative; overflow: hidden; }
.about-art::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 84% 14%, rgba(241,198,25,.24), transparent 40%);
}
.about-art .ring { position: absolute; border: 2px dashed rgba(241,198,25,.4); border-radius: 50%; }
.about-art .r1 { width: 240px; height: 240px; }
.about-art .r2 { width: 150px; height: 150px; }
.about-art .core { position: relative; z-index: 2; text-align: center; }
.about-art .core b { font-size: 40px; font-weight: 900; display: block; }
.about-art .core span { font-size: 14px; opacity: .9; }

.mission { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 50px; }
.mission .m { background: var(--card); border: 1px solid var(--paper-3); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-soft); }
.mission .m .ic { width: 50px; height: 50px; border-radius: 14px; background: rgba(201,162,39,.12); color: var(--gold-strong); display: grid; place-items: center; margin-bottom: 14px; }
.mission .m h4 { font-size: 18px; margin-bottom: 8px; color: var(--night); }
.mission .m p { font-size: 14px; color: var(--muted); }

/* 团队 */
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.member { background: var(--card); border: 1px solid var(--paper-3); border-radius: var(--radius); padding: 26px 20px; text-align: center; box-shadow: var(--shadow-soft); }
.member .avatar { width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 14px; background: var(--grad-night); display: grid; place-items: center; color: #fff; font-size: 28px; font-weight: 900; }
.member h4 { font-size: 17px; color: var(--night); }
.member .role { font-size: 13px; color: var(--gold-strong); font-weight: 700; margin: 2px 0 8px; }
.member p { font-size: 13px; color: var(--muted); }

/* 团队列表式布局 */
.team-list { max-width: 900px; margin: 0 auto; }
.team-item { display: flex; gap: 22px; padding: 28px 0; border-bottom: 1px solid var(--paper-3); align-items: flex-start; }
.team-item:last-child { border-bottom: none; }
.team-item .team-photo { width: 148px; height: 148px; border-radius: 20px; background: var(--grad-night); display: grid; place-items: center; color: #fff; font-size: 52px; font-weight: 900; flex: 0 0 148px; box-shadow: var(--shadow-soft); overflow: hidden; }
.team-item .team-photo img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(0.94) contrast(1.02); transition: transform 0.3s ease; }
.team-item:hover .team-photo img { transform: scale(1.04); }
.team-info { flex: 1; }
.team-info h4 { font-size: 18px; margin-bottom: 4px; color: var(--night); }
.team-info .role { font-size: 13px; color: var(--gold-strong); font-weight: 700; margin-bottom: 10px; }
.team-info p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 6px; }
.team-info p .label { color: var(--ink); font-weight: 700; }

/* 时间线 */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--paper-3); border-radius: 2px; }
.tl-item { position: relative; padding: 0 0 34px 30px; }
.tl-item::before { content: ""; position: absolute; left: -30px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--grad-gold); box-shadow: 0 0 0 5px var(--paper-2); }
.tl-item .year { font-size: 14px; font-weight: 800; color: var(--gold-strong); font-family: var(--font-display); }
.tl-item h4 { font-size: 18px; margin: 4px 0 4px; color: var(--night); }
.tl-item p { font-size: 14px; color: var(--muted); }

/* 资质 */
.badges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.badge { background: var(--card); border: 1px solid var(--paper-3); border-radius: var(--radius); padding: 26px 18px; text-align: center; box-shadow: var(--shadow-soft); }
.badge .ic { width: 54px; height: 54px; margin: 0 auto 12px; border-radius: 15px; background: var(--grad-gold); display: grid; place-items: center; color: var(--night); }
.badge h4 { font-size: 16px; color: var(--night); }
.badge p { font-size: 13px; color: var(--muted); }

/* 案例页网格 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-grid .case-card .case-thumb { aspect-ratio: 4/3; }
.filter { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.filter button { border: 1px solid var(--paper-3); background: #fff; color: var(--ink); font-weight: 600; font-size: 14px; padding: 9px 18px; border-radius: 999px; cursor: pointer; transition: .18s; font-family: var(--font-body); }
.filter button.active, .filter button:hover { background: var(--grad-night); color: #fff; border-color: transparent; }

/* 客户评价 */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review { background: var(--card); border: 1px solid var(--paper-3); border-radius: var(--radius); padding: 28px 26px; box-shadow: var(--shadow-soft); }
.review .stars { color: var(--gold-line); font-size: 16px; letter-spacing: 2px; }
.review p { font-size: 15px; margin: 12px 0 18px; }
.review .who { display: flex; align-items: center; gap: 12px; }
.review .who .av { width: 42px; height: 42px; border-radius: 50%; background: var(--grad-cool); display: grid; place-items: center; color: #fff; font-weight: 800; }
.review .who b { font-size: 15px; display: block; color: var(--night); }
.review .who span { font-size: 13px; color: var(--muted); }

/* =========================================================
   滚动动效
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; }
  .cards-3, .svc-detail, .case-row, .case-grid, .reviews { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-wrap { grid-template-columns: 1fr; }
  .mission, .team, .badges { grid-template-columns: repeat(2, 1fr); }
  .footer .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--paper); flex-direction: column; align-items: stretch;
    gap: 0; padding: 12px 24px 24px; border-bottom: 1px solid var(--paper-3);
    transform: translateY(-120%); transition: transform .28s ease; box-shadow: var(--shadow-soft);
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--paper-3); }
  .nav-links a::after { display: none; }
  .nav-cta { margin: 14px 0 0; }
  .nav-toggle { display: block; }
  .section { padding: 56px 0; }
  .hero { padding: 44px 0 56px; }
  .cards-3, .svc-detail, .case-row, .case-grid, .reviews,
  .features, .mission, .team, .badges { grid-template-columns: 1fr; }
  .footer .grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-wrap { padding: 40px 26px; }
  .hero-stats { gap: 22px; }
  .team-item { flex-direction: column; align-items: center; text-align: center; }
  .team-info .label { display: block; margin-bottom: 2px; }
}

/* =========================================================
   导航下拉菜单（业务服务子菜单）
   ========================================================= */
.nav-drop { position: relative; }
.nav-drop > a { display: inline-flex; align-items: center; gap: 5px; }
.nav-drop .caret { width: 14px; height: 14px; transition: transform .2s; }
.nav-drop::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 14px; }
.nav-drop .drop-menu {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translate(-50%, 8px);
  min-width: 172px; background: #fff; border: 1px solid var(--paper-3); border-radius: 14px;
  box-shadow: var(--shadow-soft); padding: 8px; opacity: 0; visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.nav-drop:hover .drop-menu, .nav-drop:focus-within .drop-menu {
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
}
.nav-drop:hover .caret { transform: rotate(180deg); }
.drop-menu a { display: block; padding: 10px 14px; border-radius: 10px; font-size: 14px; font-weight: 600; color: var(--ink); }
.drop-menu a:hover { background: var(--paper-2); color: var(--night); }
@media (max-width: 760px) {
  .nav-drop .drop-menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; border: none; background: transparent; padding: 0 0 6px 14px; min-width: 0;
  }
  .nav-drop::after { display: none; }
  .drop-menu a { padding: 10px 0; border-bottom: 1px solid var(--paper-3); border-radius: 0; }
  .nav-drop > a { padding: 14px 0; border-bottom: 1px solid var(--paper-3); }
}

/* =========================================================
   媒体报道页
   ========================================================= */
.media-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.media-card {
  background: var(--card); border: 1px solid var(--paper-3); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; gap: 10px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.media-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(201,162,39,.4); }
.media-card .src { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--gold-strong); }
.media-card .src svg { width: 16px; height: 16px; }
.media-card h4 { font-size: 19px; color: var(--night); line-height: 1.45; }
.media-card p { font-size: 14px; color: var(--muted); flex: 1; }
.media-card .date { font-size: 12px; color: var(--muted); }
@media (max-width: 980px) { .media-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .media-grid { grid-template-columns: 1fr; } }

/* =========================================================
   原创干货（列表 + 文章详情）
   ========================================================= */
.media-card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 700; color: var(--gold-strong); font-size: 14px; }
.media-card .more svg { width: 16px; height: 16px; }

.article-wrap { max-width: 820px; margin: 0 auto; }
.article-meta {
  display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
  font-size: 13px; color: var(--muted); padding-bottom: 22px; margin-bottom: 30px;
  border-bottom: 1px solid var(--paper-3);
}
.article-meta .tag {
  background: rgba(201,162,39,.14); color: var(--gold-strong); font-weight: 700;
  padding: 5px 12px; border-radius: 999px; font-size: 12px;
}
.article-body { font-size: 16.5px; line-height: 1.95; color: var(--ink); }
.article-body > * + * { margin-top: 20px; }
.article-body h2 {
  font-family: var(--font-display); font-size: clamp(22px, 2.6vw, 27px); font-weight: 900;
  color: var(--night); margin-top: 46px; line-height: 1.4; padding-left: 16px;
  border-left: 4px solid var(--gold-line);
}
.article-body h3 { font-size: 19px; font-weight: 800; color: var(--navy); margin-top: 30px; }
.article-body p { color: #333C4E; }
.article-body strong { color: var(--night); }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li { margin: 9px 0; color: #333C4E; }
.article-body ol li::marker { color: var(--gold-strong); font-weight: 800; }
.article-body ul li { list-style: none; position: relative; padding-left: 4px; }
.article-body ul li::before {
  content: ""; position: absolute; left: -16px; top: 13px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold-line);
}
.article-body blockquote {
  background: var(--paper-2); border-left: 4px solid var(--gold-line); border-radius: 0 14px 14px 0;
  padding: 20px 24px; color: var(--night); font-weight: 600; font-size: 17px;
}
.article-body .lead { font-size: 18px; color: var(--muted); line-height: 1.9; }
.article-body hr { border: 0; border-top: 1px solid var(--paper-3); margin: 40px 0; }
.article-foot {
  margin-top: 46px; padding: 26px 28px; border-radius: var(--radius);
  background: var(--paper-2); border: 1px solid var(--paper-3);
  display: flex; gap: 18px; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.article-foot p { font-size: 14px; color: var(--muted); }
.article-nav { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 40px; }
@media (max-width: 760px) { .article-body { font-size: 16px; } .article-foot { padding: 22px; } }

/* =========================================================
   UI 视觉页（品牌视觉系统展示）
   ========================================================= */
.ui-band {
  background: var(--grad-night); border-radius: 28px; padding: 52px 44px; color: #fff;
  position: relative; overflow: hidden; box-shadow: var(--shadow);
}
.ui-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 86% 14%, rgba(241,198,25,.22), transparent 40%);
}
.ui-band > * { position: relative; }
.ui-band h3 { font-size: 20px; margin-bottom: 8px; }
.ui-band p { opacity: .88; font-size: 14px; max-width: 560px; }
.logo-stage { display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; margin-top: 30px; }
.logo-tile {
  border-radius: 18px; display: grid; place-items: center; padding: 38px 24px; min-height: 150px;
}
.logo-tile img { width: min(300px, 80%); }
.logo-tile small { margin-top: 14px; font-size: 12px; opacity: .75; letter-spacing: 1px; }
.swatch-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 30px; }
.swatch { border-radius: 16px; overflow: hidden; border: 1px solid var(--paper-3); background: var(--card); box-shadow: var(--shadow-soft); }
.swatch .chip { height: 84px; }
.swatch .meta { padding: 12px 14px; }
.swatch .meta b { display: block; font-size: 14px; color: var(--night); }
.swatch .meta span { font-size: 12px; color: var(--muted); font-family: Bahnschrift, "Segoe UI", monospace; letter-spacing: .5px; }
.type-demo { display: grid; gap: 14px; margin-top: 26px; }
.type-demo .row {
  background: var(--card); border: 1px solid var(--paper-3); border-radius: 14px;
  padding: 20px 24px; display: flex; align-items: baseline; gap: 20px; flex-wrap: wrap;
  box-shadow: var(--shadow-soft);
}
.type-demo .row .demo { color: var(--night); }
.type-demo .row .f-display { font-family: var(--font-display); font-weight: 900; font-size: 26px; }
.type-demo .row .f-body { font-family: var(--font-body); font-weight: 400; font-size: 17px; }
.type-demo .row .tag-name { font-size: 12px; color: var(--muted); min-width: 150px; }
.mark-strip { display: flex; gap: 22px; align-items: center; margin-top: 26px; flex-wrap: wrap; }
.mark-strip .mk {
  background: var(--card); border: 1px solid var(--paper-3); border-radius: 16px; padding: 18px 26px;
  display: grid; place-items: center; gap: 10px; box-shadow: var(--shadow-soft);
}
.mark-strip .mk img { height: 64px; width: auto; }
.mark-strip .mk span { font-size: 12px; color: var(--muted); }
@media (max-width: 980px) {
  .swatch-row { grid-template-columns: repeat(3, 1fr); }
  .logo-stage { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .swatch-row { grid-template-columns: repeat(2, 1fr); }
  .ui-band { padding: 36px 24px; }
}