/* =========================================================
   深圳市中衡信资产评估有限公司 - 官网样式
   色调：红白为主 · 简约大气
   ========================================================= */

:root {
  --red: #C8102E;           /* 品牌主红 */
  --red-dark: #9E0B23;      /* 深红 */
  --red-light: #FBE9EC;     /* 浅红底 */
  --red-fade: #FDF2F3;      /* 更浅红底 */
  --ink: #1A1A1A;           /* 主文字 */
  --ink-2: #4A4A4A;         /* 次级文字 */
  --gray: #8A8A8A;          /* 弱文字 */
  --line: #ECECEC;          /* 分隔线 */
  --bg: #FFFFFF;
  --bg-gray: #F7F7F8;
  --shadow: 0 10px 34px rgba(20, 20, 20, .06);
  --shadow-hover: 0 16px 44px rgba(200, 16, 46, .12);
  --radius: 14px;
  --maxw: 1180px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 15px;
  letter-spacing: .2px;
}

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

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

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 42px; width: auto; }
.brand .brand-name {
  font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: .5px;
}
.brand .brand-name small { display: block; font-size: 11px; font-weight: 400; color: var(--gray); letter-spacing: 1px; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  position: relative; display: block; padding: 8px 11px;
  font-size: 15px; color: var(--ink-2); border-radius: 8px; transition: color .2s;
  white-space: nowrap;
}
.nav a:hover { color: var(--red); }
.nav a.active { color: var(--red); font-weight: 600; }
.nav a.active::after {
  content: ""; position: absolute; left: 11px; right: 11px; bottom: 2px;
  height: 2px; background: var(--red); border-radius: 2px;
}
.nav-toggle {
  display: none; width: 40px; height: 40px; border: 1px solid var(--line);
  background: #fff; border-radius: 8px; cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--ink); position: relative; transition: .25s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ---------- 首页 banner ---------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background: #101f31;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: 62% center;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(11, 24, 40, .95) 0%, rgba(11, 24, 40, .84) 30%, rgba(11, 24, 40, .38) 62%, rgba(11, 24, 40, .52) 100%),
              linear-gradient(0deg, rgba(11, 24, 40, .78) 0%, transparent 48%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 64px; align-items: center;
  min-height: 460px; padding-top: 44px; padding-bottom: 44px;
}
.hero-content { min-width: 0; max-width: 660px; }
.hero .kicker {
  display: flex; align-items: center; gap: 14px; margin-bottom: 20px;
  font-size: 13px; font-weight: 500; letter-spacing: 2px; color: rgba(255, 255, 255, .84);
}
.hero .kicker::before { content: ""; width: 28px; height: 2px; background: #f15b68; flex: none; }
.hero .kicker > span { color: rgba(255, 255, 255, .4); }
.hero h1 {
  font-size: clamp(36px, 3.6vw, 52px); line-height: 1.25;
  font-weight: 600; letter-spacing: 2px; color: #fff;
}
.hero h1 > span { display: block; }
.hero h1 > span + span { margin-top: 8px; }
.hero .lead {
  margin-top: 20px; max-width: 540px;
  font-size: 16px; line-height: 1.9; color: rgba(255, 255, 255, .86);
}
.hero-actions { margin-top: 26px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn {
  min-height: 52px; padding: 13px 24px; border-radius: 5px; gap: 20px;
}
.hero .btn-primary { background: var(--red); box-shadow: 0 8px 24px rgba(0, 0, 0, .16); }
.hero .btn-primary:hover { background: var(--red-dark); }
.hero .btn-outline { color: #fff; border-color: rgba(255, 255, 255, .58); background: rgba(255, 255, 255, .04); }
.hero .btn-outline:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.hero .btn:focus-visible { outline: 3px solid #fff; outline-offset: 5px; }
.hero .btn svg { flex: none; }
.hero-aside {
  min-width: 0; padding: 8px 0 8px 32px;
  border-left: 1px solid rgba(255, 255, 255, .26);
}
.hero-facts { display: grid; }
.hero-fact {
  display: flex; flex-direction: row-reverse; align-items: center; justify-content: space-between; gap: 20px;
  padding: 18px 0; border-bottom: 1px solid rgba(255, 255, 255, .2);
}
.hero-fact:first-child { padding-top: 0; }
.hero-fact:last-child { border-bottom: 0; }
.hero-fact dt { color: rgba(255, 255, 255, .78); font-size: 13px; letter-spacing: 1px; }
.hero-fact dd { font-size: 36px; font-weight: 500; line-height: 1.2; letter-spacing: 1px; font-variant-numeric: tabular-nums; }
.hero-fact dd > span { font-size: 20px; vertical-align: top; }
.hero-principles { margin-top: 8px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .23); }
.hero-principles > span { display: block; color: rgba(255, 255, 255, .92); font-size: 13px; letter-spacing: 1px; }
.hero-principles small { display: block; margin-top: 5px; font-size: 12px; color: rgba(255, 255, 255, .62); letter-spacing: 1px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px;
  border-radius: 34px; font-size: 15px; font-weight: 600; transition: .25s; cursor: pointer;
}
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 10px 24px rgba(200,16,46,.24); }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 14px 32px rgba(200,16,46,.32); }
.btn-outline { background: transparent; color: var(--red); border: 1px solid var(--red); }
.btn-outline:hover { background: var(--red-light); transform: translateY(-2px); }

/* ---------- 区块通用 ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--bg-gray); }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head .tag { color: var(--red); font-size: 13px; letter-spacing: 3px; font-weight: 600; }
.section-head h2 { font-size: 32px; font-weight: 700; margin: 10px 0 14px; letter-spacing: 1px; }
.section-head p { color: var(--gray); font-size: 15px; }
.section-head.left { text-align: left; margin-left: 0; }

/* ---------- 页头内页 banner（图片背景） ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(rgba(30,20,24,.62), rgba(30,20,24,.62)), url(../assets/banner.jpg);
  background-size: cover; background-position: center 30%;
  color: #fff; padding: 66px 0;
}
.page-hero h1 { font-size: 34px; font-weight: 700; letter-spacing: 1px; }
.page-hero .crumb { margin-top: 10px; font-size: 13px; color: rgba(255,255,255,.82); }
.page-hero .crumb a:hover { text-decoration: underline; }

/* ---------- 简介 + 数字 ---------- */
.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.intro-grid h2 { font-size: 30px; font-weight: 700; line-height: 1.4; margin-bottom: 18px; }
.intro-grid h2 em { font-style: normal; color: var(--red); }
.intro-grid p { color: var(--ink-2); margin-bottom: 12px; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; text-align: center; box-shadow: var(--shadow);
}
.stat b { display: block; font-size: 32px; color: var(--red); font-weight: 700; letter-spacing: .5px; }
.stat span { font-size: 13px; color: var(--gray); margin-top: 4px; display: block; }

/* ---------- 服务卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: .28s; position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: var(--red); transform: scaleX(0); transform-origin: left; transition: .28s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card .icon {
  width: 54px; height: 54px; border-radius: 14px; background: var(--red-light);
  color: var(--red); display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--gray); }
.card .more { margin-top: 16px; font-size: 13px; color: var(--red); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.card .more:hover { gap: 8px; }

/* ---------- 荣誉列表 ---------- */
.honor-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.honor {
  display: flex; gap: 12px; align-items: flex-start; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px;
}
.honor .dot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-top: 9px; }
.honor span { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: .28s;
}
.case:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.case .thumb {
  height: 168px; position: relative;
  background: linear-gradient(135deg, #FBE9EC 0%, #F4EDE8 100%);
  display: flex; align-items: center; justify-content: center;
}
.case .thumb span { color: var(--red); font-size: 19px; letter-spacing: 2px; font-weight: 600; }
.case .body { padding: 20px 22px 22px; }
.case .cat { font-size: 12px; color: var(--red); font-weight: 600; }
.case h3 { font-size: 16px; margin: 6px 0 8px; line-height: 1.45; }
.case p { font-size: 13px; color: var(--gray); }

/* ---------- 客户 logo 墙 ---------- */
.client-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.client {
  height: 120px; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; color: var(--gray);
  font-size: 14px; letter-spacing: 1px; transition: .25s;
}
.client:hover { border-color: var(--red); color: var(--red); box-shadow: var(--shadow); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { text-align: center; padding: 8px; }
.step .num {
  width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--red); color: #fff; font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.step h4 { font-size: 16px; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--gray); }

/* ---------- 内容页文章 ---------- */
.article { max-width: 820px; margin: 0 auto; }
.article h2 { font-size: 22px; margin: 30px 0 12px; color: var(--ink); }
.article h2:first-child { margin-top: 0; }
.article p { color: var(--ink-2); margin-bottom: 12px; }
.article ul.tick { margin: 10px 0 18px; }
.article ul.tick li { position: relative; padding-left: 24px; margin-bottom: 9px; color: var(--ink-2); }
.article ul.tick li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--red); }

/* ---------- 新闻列表 ---------- */
.news-list { display: grid; gap: 12px; }
.news-item {
  display: flex; align-items: center; gap: 20px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 18px 22px; transition: .22s;
}
.news-item:hover { border-color: var(--red); box-shadow: var(--shadow); }
.news-item .date { flex: none; text-align: center; width: 64px; }
.news-item .date b { display: block; font-size: 26px; color: var(--red); line-height: 1; }
.news-item .date span { font-size: 12px; color: var(--gray); }
.news-item h3 { font-size: 16px; font-weight: 600; }
.news-item p { font-size: 13px; color: var(--gray); }

/* ---------- 法律列表 ---------- */
.law-list { display: grid; gap: 12px; }
.law-item {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; transition: .22s;
}
.law-item:hover { border-color: var(--red); }
.law-item h3 { font-size: 16px; font-weight: 600; }
.law-item p { font-size: 13px; color: var(--gray); }
.law-item .badge { flex: none; font-size: 12px; color: var(--red); background: var(--red-light); padding: 4px 12px; border-radius: 20px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px;
}
.contact-card h2 { font-size: 22px; margin-bottom: 22px; }
.contact-row { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child { border-bottom: none; }
.contact-row .ic { flex: none; width: 40px; height: 40px; border-radius: 10px; background: var(--red-light); color: var(--red); display: flex; align-items: center; justify-content: center; }
.contact-row h4 { font-size: 14px; color: var(--gray); font-weight: 400; }
.contact-row p { font-size: 16px; font-weight: 500; }
.map-box { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 320px; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; color: var(--gray); }

/* ---------- 页脚 ---------- */
.site-footer { background: #2A0A10; color: rgba(255,255,255,.72); font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 40px; padding: 56px 0 40px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; letter-spacing: 1px; }
.site-footer .brand-foot { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.site-footer .brand-foot img { height: 38px; background: #fff; border-radius: 8px; padding: 4px; box-sizing: content-box; }
.site-footer .brand-foot b { color: #fff; font-size: 16px; }
.site-footer p.desc { line-height: 1.9; color: rgba(255,255,255,.6); }
.footer-links a { display: block; padding: 4px 0; color: rgba(255,255,255,.6); transition: .2s; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; color: rgba(255,255,255,.75); }
.footer-contact li b { color: #fff; font-weight: 500; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255,255,255,.5); }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; width: 44px; height: 44px; border-radius: 50%;
  background: var(--red); color: #fff; display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; pointer-events: none; transition: .25s; z-index: 90; border: none;
  box-shadow: 0 8px 22px rgba(200,16,46,.35);
}
.to-top.show { opacity: 1; pointer-events: auto; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 证券业务信息披露 ---------- */
.disclosure-note {
  background: var(--red-fade); border-left: 3px solid var(--red);
  padding: 16px 20px; border-radius: 8px; margin-bottom: 32px; color: var(--ink-2); font-size: 14px;
}
.file-list { display: grid; gap: 14px; }
.file-item {
  display: flex; align-items: center; gap: 20px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 26px; transition: .22s;
}
.file-item:hover { border-color: var(--red); box-shadow: var(--shadow); }
.file-item .ficon {
  flex: none; width: 52px; height: 52px; border-radius: 12px;
  background: var(--red-light); color: var(--red);
  display: flex; align-items: center; justify-content: center;
}
.file-item .finfo { flex: 1; min-width: 0; }
.file-item .finfo h3 { font-size: 17px; font-weight: 600; }
.file-item .finfo p { font-size: 13px; color: var(--gray); margin-top: 2px; }
.file-item .fbtn {
  flex: none; display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 24px; font-size: 14px; font-weight: 600;
  color: var(--red); border: 1px solid var(--red); transition: .2s;
}
.file-item .fbtn:hover { background: var(--red); color: #fff; }
.pdf-viewer {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.pdf-viewer iframe { width: 100%; height: 820px; border: none; display: block; }
.pdf-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 18px; padding: 18px 22px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.pdf-meta span { font-size: 13px; color: var(--gray); }
.pdf-meta span b { color: var(--ink); font-weight: 600; margin-left: 6px; }
.pdf-actions { margin-bottom: 20px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
    display: none; box-shadow: 0 20px 40px rgba(0,0,0,.08);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; border-radius: 8px; }
  .nav a.active::after { display: none; }
  .nav a.active { background: var(--red-light); }
  .nav-toggle { display: flex; }
}
@media (max-width: 1020px) {
  .cards, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .client-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .intro-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; min-height: 0; gap: 26px; padding-top: 36px; padding-bottom: 32px; }
  .hero h1 { font-size: 40px; }
  .hero-aside { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .23); padding: 22px 0 0; }
  .hero-facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-fact { min-width: 0; flex-direction: column-reverse; align-items: flex-start; gap: 0; padding: 0 22px; border-bottom: 0; border-right: 1px solid rgba(255, 255, 255, .2); }
  .hero-fact:first-child { padding-left: 0; }
  .hero-fact:last-child { padding-right: 0; border-right: 0; }
  .hero-fact dt { margin-top: 3px; font-size: 12px; }
  .hero-fact dd { font-size: 28px; }
  .hero-principles { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 20px; margin-top: 18px; padding-top: 0; border-top: 0; }
  .hero-principles small { margin-top: 0; font-size: 11px; }
}
@media (max-width: 760px) {
  .hero-inner { padding-top: 32px; padding-bottom: 28px; gap: 22px; }
  .hero-media img { object-position: 64% center; }
  .hero::before {
    background: linear-gradient(90deg, rgba(11, 24, 40, .9), rgba(11, 24, 40, .55)),
                linear-gradient(0deg, rgba(11, 24, 40, .72), transparent 70%);
  }
  .hero h1 { font-size: clamp(32px, 6vw, 40px); letter-spacing: 1px; }
  .hero .kicker { font-size: 11px; letter-spacing: 1px; gap: 10px; margin-bottom: 18px; }
  .hero .kicker::before { width: 22px; }
  .hero .lead { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 460px; }
  .hero-desktop-break { display: none; }
  .hero-actions { margin-top: 22px; gap: 12px; }
  .hero .btn { min-height: 50px; padding: 12px 20px; gap: 14px; font-size: 14px; }
  .hero-aside { padding-top: 18px; }
  .hero-principles { margin-top: 14px; }
  .hero-principles > span { font-size: 12px; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 25px; }
  .cards, .case-grid, .honor-list { grid-template-columns: 1fr; }
  .client-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .file-item { flex-direction: column; align-items: flex-start; gap: 14px; }
  .file-item .fbtn { width: 100%; justify-content: center; }
  .pdf-viewer iframe { height: 520px; }
  .footer-top { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 26px; }
}
@media (max-width: 380px) {
  .hero-inner { padding-left: 20px; padding-right: 20px; padding-top: 28px; }
  .hero .kicker { gap: 8px; letter-spacing: 0; }
  .hero-actions { display: grid; grid-template-columns: 1.2fr 1fr; gap: 10px; }
  .hero .btn { padding: 12px 14px; gap: 8px; font-size: 13px; justify-content: space-between; }
  .hero-fact { padding: 0 14px; }
  .hero-fact dt { font-size: 11px; letter-spacing: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero .btn { transition: none; }
  .hero .btn:hover { transform: none; }
}