/* ==========================================================================
   黑龙江盛世奥美科技文化传媒有限公司 · 企业官网样式
   设计基调：简约大气 —— 深蓝为主、金色点缀、大量留白、克制动效
   ========================================================================== */

:root {
  --navy-900: #0a1c33;
  --navy-800: #0f2a4a;
  --navy-700: #143a63;
  --navy-600: #1b4d80;
  --navy-500: #2a649c;
  --navy-300: #9db6d2;
  --gold: #c8a35a;
  --gold-2: #ddc189;
  --gold-soft: #f7f1e4;

  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --bg-mute: #eff3f8;
  --line: #e3e9f1;
  --line-strong: #cfd9e6;

  --text: #15202e;
  --text-soft: #5b6b7e;
  --text-mute: #94a2b3;

  --danger: #c0392b;
  --ok: #2e7d5b;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 2px 10px rgba(10, 28, 51, .05);
  --shadow: 0 10px 34px rgba(10, 28, 51, .08);
  --shadow-lg: 0 22px 60px rgba(10, 28, 51, .14);

  --container: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
               "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.3; letter-spacing: .01em; }
p { margin: 0; }

::selection { background: var(--navy-700); color: #fff; }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 104px 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: var(--navy-900); color: #fff; }
.section--tight { padding: 72px 0; }

.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.overline {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; letter-spacing: .24em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; margin-bottom: 16px;
}
.overline::before { content: ""; width: 26px; height: 1px; background: var(--gold); opacity: .8; }
.overline--center::before { display: none; }

.section-title { font-size: clamp(26px, 3.1vw, 38px); font-weight: 700; letter-spacing: .02em; }
.section-desc { margin-top: 18px; color: var(--text-soft); font-size: 15.5px; line-height: 1.9; }
.section--navy .section-desc { color: #b8c8dc; }

/* ---------- 顶部导航 ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 900; height: var(--header-h);
  display: flex; align-items: center;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.header__inner { display: flex; align-items: center; gap: 40px; width: 100%; }

.header.is-solid {
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 20px rgba(10, 28, 51, .06);
}

.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo__mark {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-500));
  display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(20, 58, 99, .28);
}
.logo__mark svg { width: 22px; height: 22px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.logo__cn { font-size: 16.5px; font-weight: 700; letter-spacing: .06em; white-space: nowrap; }
.logo__en { font-size: 9.5px; letter-spacing: .3em; color: var(--text-mute); text-transform: uppercase; }

.header .logo__cn, .header .logo__en { color: var(--navy-900); }
.header:not(.is-solid) .logo__cn { color: #fff; }
.header:not(.is-solid) .logo__en { color: rgba(255, 255, 255, .6); }
.header:not(.is-solid) .logo__mark { background: rgba(255, 255, 255, .14); box-shadow: none; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  position: relative; padding: 9px 17px; font-size: 15px; border-radius: 8px;
  color: var(--text-soft); transition: color .25s, background .25s;
}
.nav a::after {
  content: ""; position: absolute; left: 17px; right: 17px; bottom: 3px; height: 2px;
  background: var(--gold); border-radius: 2px; transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover { color: var(--navy-700); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--navy-700); font-weight: 600; }

.header:not(.is-solid) .nav a { color: rgba(255, 255, 255, .82); }
.header:not(.is-solid) .nav a:hover,
.header:not(.is-solid) .nav a.is-active { color: #fff; }

.header__actions { display: flex; align-items: center; gap: 10px; flex: none; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line-strong);
  background: transparent; border-radius: 9px; cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 18px; height: 1.6px; background: currentColor; position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.6px; background: currentColor;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.header:not(.is-solid) .nav-toggle { border-color: rgba(255, 255, 255, .35); color: #fff; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 24px; border-radius: 8px; border: 1px solid transparent;
  font-size: 14.5px; font-weight: 500; letter-spacing: .02em; cursor: pointer;
  transition: all .28s var(--ease); white-space: nowrap; background: transparent;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn--primary { background: var(--navy-700); color: #fff; box-shadow: 0 8px 22px rgba(20, 58, 99, .24); }
.btn--primary:hover:not(:disabled) { background: var(--navy-600); transform: translateY(-1px); box-shadow: 0 12px 28px rgba(20, 58, 99, .3); }
.btn--gold { background: var(--gold); color: #241c08; box-shadow: 0 8px 22px rgba(200, 163, 90, .32); }
.btn--gold:hover:not(:disabled) { background: var(--gold-2); transform: translateY(-1px); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: #fff; }
.btn--ghost:hover:not(:disabled) { border-color: var(--navy-600); color: var(--navy-700); }
.btn--light { border-color: rgba(255, 255, 255, .4); color: #fff; }
.btn--light:hover:not(:disabled) { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn--sm { height: 36px; padding: 0 16px; font-size: 13.5px; }
.btn--lg { height: 52px; padding: 0 34px; font-size: 15.5px; }
.btn--block { width: 100%; }

.btn__link { color: var(--navy-600); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.btn__link::after { content: "→"; transition: transform .28s var(--ease); }
.btn__link:hover::after { transform: translateX(4px); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; min-height: 88vh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 60px) 0 90px; overflow: hidden;
  background: var(--navy-900);
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(10, 28, 51, .95) 0%, rgba(10, 28, 51, .8) 42%, rgba(10, 28, 51, .42) 72%, rgba(10, 28, 51, .3) 100%);
}
.hero__inner { position: relative; z-index: 2; max-width: 720px; color: #fff; }
.hero__tag {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 16px; border-radius: 99px;
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .18);
  font-size: 13px; letter-spacing: .1em; color: #e8eef6; margin-bottom: 26px;
}
.hero__tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.hero__title {
  font-size: clamp(32px, 4.3vw, 54px); font-weight: 700; line-height: 1.26; letter-spacing: .02em;
}
.hero__title em { font-style: normal; color: var(--gold-2); }
.hero__sub { margin-top: 24px; font-size: 16.5px; line-height: 1.95; color: #c2d2e4; max-width: 620px; }
.hero__actions { margin-top: 42px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 2;
  color: rgba(255, 255, 255, .55); font-size: 11px; letter-spacing: .28em;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero__scroll i { width: 1px; height: 34px; background: linear-gradient(to bottom, rgba(255,255,255,.6), transparent); animation: scrollHint 2.2s infinite; }
@keyframes scrollHint { 0%, 100% { opacity: .3; transform: scaleY(.5); } 50% { opacity: 1; transform: scaleY(1); } }

/* ---------- 数据条 ---------- */
.stats { position: relative; z-index: 3; margin-top: -58px; }
.stats__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); background: #fff;
  border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden;
}
.stat { padding: 38px 26px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat__value { font-size: 38px; font-weight: 700; color: var(--navy-800); letter-spacing: .01em; line-height: 1; }
.stat__value span { font-size: 19px; color: var(--gold); margin-left: 3px; font-weight: 600; }
.stat__label { margin-top: 12px; font-size: 13.5px; color: var(--text-soft); letter-spacing: .06em; }

/* ---------- 服务卡片 ---------- */
.grid { display: grid; gap: 26px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.svc {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 34px 36px; transition: all .4s var(--ease); overflow: hidden;
}
.svc::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--navy-600), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.svc:hover::before { transform: scaleX(1); }
.svc__icon {
  width: 54px; height: 54px; border-radius: 13px; display: grid; place-items: center;
  background: var(--bg-mute); color: var(--navy-600); margin-bottom: 24px;
  transition: all .4s var(--ease);
}
.svc:hover .svc__icon { background: var(--navy-700); color: #fff; }
.svc__icon svg { width: 26px; height: 26px; }
.svc__title { font-size: 19.5px; font-weight: 700; letter-spacing: .02em; }
.svc__sub { margin-top: 8px; font-size: 13px; color: var(--gold); letter-spacing: .04em; }
.svc__desc { margin-top: 16px; color: var(--text-soft); font-size: 14.5px; line-height: 1.85; }
.svc__no { position: absolute; right: 26px; top: 26px; font-size: 40px; font-weight: 700; color: var(--bg-mute); line-height: 1; letter-spacing: -.02em; }
.svc:hover .svc__no { color: var(--gold-soft); }

.svc-points { margin: 20px 0 0; padding: 0; list-style: none; border-top: 1px dashed var(--line); padding-top: 18px; }
.svc-points li { position: relative; padding-left: 16px; font-size: 14px; color: var(--text-soft); line-height: 2.05; }
.svc-points li::before { content: ""; position: absolute; left: 0; top: 13px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }

/* ---------- 关于我们 ---------- */
.about-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-media__badge {
  position: absolute; left: -22px; bottom: -22px; background: var(--navy-800); color: #fff;
  padding: 22px 26px; border-radius: var(--radius); box-shadow: var(--shadow-lg); border-left: 3px solid var(--gold);
}
.about-media__badge b { display: block; font-size: 26px; color: var(--gold-2); letter-spacing: .02em; }
.about-media__badge span { font-size: 12.5px; color: #a9bdd4; letter-spacing: .1em; }

.about-text p { color: var(--text-soft); font-size: 15px; line-height: 2.05; }
.about-text p + p { margin-top: 18px; }

.mvv { margin-top: 38px; display: grid; gap: 14px; }
.mvv__item { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; background: var(--bg-soft); border-radius: var(--radius-sm); border-left: 3px solid var(--navy-600); }
.mvv__item b { flex: none; font-size: 13px; color: var(--navy-700); letter-spacing: .1em; width: 56px; padding-top: 2px; }
.mvv__item span { font-size: 14.5px; color: var(--text-soft); line-height: 1.8; }

/* ---------- 发展历程 ---------- */
.timeline { position: relative; margin-top: 20px; padding-left: 8px; }
.timeline::before { content: ""; position: absolute; left: 92px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(to bottom, var(--gold), var(--line)); }
.tl { position: relative; display: grid; grid-template-columns: 84px 1fr; gap: 40px; padding: 20px 0 20px 46px; }
.tl::before {
  content: ""; position: absolute; left: 88px; top: 30px; width: 9px; height: 9px; border-radius: 50%;
  background: #fff; border: 2px solid var(--gold); box-shadow: 0 0 0 4px rgba(200, 163, 90, .14);
}
.tl__year { font-size: 22px; font-weight: 700; color: var(--navy-700); text-align: right; letter-spacing: .02em; }
.tl__title { font-size: 16.5px; font-weight: 600; }
.tl__desc { margin-top: 7px; font-size: 14.5px; color: var(--text-soft); line-height: 1.85; }

/* ---------- 优势 ---------- */
.adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #fff; }
.adv__item { padding: 40px 30px; border-right: 1px solid var(--line); transition: background .35s; }
.adv__item:last-child { border-right: 0; }
.adv__item:hover { background: var(--bg-soft); }
.adv__no { font-size: 13px; letter-spacing: .2em; color: var(--gold); font-weight: 600; }
.adv__t { margin-top: 16px; font-size: 17px; font-weight: 600; }
.adv__d { margin-top: 12px; font-size: 14px; color: var(--text-soft); line-height: 1.85; }

/* ---------- CTA ---------- */
.cta { position: relative; background: var(--navy-900); color: #fff; overflow: hidden; }
.cta__bg { position: absolute; inset: 0; opacity: .22; }
.cta__bg img { width: 100%; height: 100%; object-fit: cover; }
.cta__inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 48px; padding: 76px 0; }
.cta__t { font-size: clamp(24px, 2.9vw, 34px); font-weight: 700; letter-spacing: .02em; }
.cta__d { margin-top: 14px; color: #b8c8dc; font-size: 15px; max-width: 560px; line-height: 1.9; }
.cta__actions { display: flex; gap: 14px; flex: none; flex-wrap: wrap; }

/* ---------- 页头（内页） ---------- */
.pagehead {
  position: relative; padding: calc(var(--header-h) + 78px) 0 78px; background: var(--navy-900); color: #fff; overflow: hidden;
}
.pagehead__bg { position: absolute; inset: 0; opacity: .3; }
.pagehead__bg img { width: 100%; height: 100%; object-fit: cover; }
.pagehead__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,28,51,.94), rgba(10,28,51,.62)); }
.pagehead__inner { position: relative; z-index: 2; }
.pagehead__title { font-size: clamp(28px, 3.5vw, 42px); font-weight: 700; letter-spacing: .03em; }
.pagehead__desc { margin-top: 18px; color: #bdcfdf; font-size: 15.5px; max-width: 700px; line-height: 1.9; }
.crumb { display: flex; gap: 10px; align-items: center; font-size: 13px; color: #8fa6be; margin-bottom: 20px; letter-spacing: .06em; }
.crumb a:hover { color: #fff; }
.crumb i { opacity: .5; font-style: normal; }

/* ---------- 详情 -------- */
.svc-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.svc-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .4s var(--ease); }
.svc-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.svc-card__media { height: 190px; background: var(--navy-800); position: relative; overflow: hidden; }
.svc-card__media img { width: 100%; height: 100%; object-fit: cover; }
.svc-card__media--plain { display: grid; place-items: center; background: linear-gradient(135deg, var(--navy-800), var(--navy-600)); }
.svc-card__media--plain svg { width: 54px; height: 54px; color: rgba(255, 255, 255, .9); }
.svc-card__body { padding: 32px 30px 34px; }
.svc-card__title { font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 12px; }
.svc-card__idx { font-size: 12px; color: var(--gold); letter-spacing: .16em; font-weight: 600; }
.svc-card__sub { margin-top: 10px; font-size: 13.5px; color: var(--gold); letter-spacing: .03em; }
.svc-card__desc { margin-top: 16px; font-size: 14.5px; color: var(--text-soft); line-height: 1.9; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.info-list { display: grid; gap: 0; }
.info { display: flex; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.info:last-child { border-bottom: 0; }
.info__ico { width: 44px; height: 44px; flex: none; border-radius: 11px; display: grid; place-items: center; background: var(--bg-mute); color: var(--navy-600); }
.info__ico svg { width: 20px; height: 20px; }
.info__k { font-size: 12.5px; letter-spacing: .14em; color: var(--text-mute); text-transform: uppercase; }
.info__v { margin-top: 6px; font-size: 15.5px; color: var(--text); line-height: 1.7; word-break: break-all; }

/* ---------- 表单 ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 38px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 13.5px; color: var(--text-soft); margin-bottom: 8px; letter-spacing: .02em; }
.field label i { color: var(--danger); font-style: normal; margin-left: 3px; }
.input, .textarea, .select {
  width: 100%; height: 46px; padding: 0 15px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: #fff; font-size: 14.5px; transition: border-color .25s, box-shadow .25s; outline: none;
}
.textarea { height: auto; min-height: 132px; padding: 13px 15px; resize: vertical; line-height: 1.8; }
.input:focus, .textarea:focus, .select:focus { border-color: var(--navy-500); box-shadow: 0 0 0 3px rgba(42, 100, 156, .12); }
.input::placeholder, .textarea::placeholder { color: #b3bfcd; }
.form-hint { font-size: 12.5px; color: var(--text-mute); margin-top: 14px; line-height: 1.7; }
.form-msg { margin-top: 16px; font-size: 13.5px; padding: 11px 14px; border-radius: var(--radius-sm); display: none; }
.form-msg.is-error { display: block; background: #fdf0ee; color: var(--danger); border: 1px solid #f6d5d0; }
.form-msg.is-ok { display: block; background: #edf7f2; color: var(--ok); border: 1px solid #cfe8dc; }

/* ---------- 认证页 ---------- */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-aside { position: relative; background: var(--navy-900); color: #fff; display: flex; flex-direction: column; justify-content: space-between; padding: 56px 60px; overflow: hidden; }
.auth-aside__bg { position: absolute; inset: 0; opacity: .3; }
.auth-aside__bg img { width: 100%; height: 100%; object-fit: cover; }
.auth-aside__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(150deg, rgba(10,28,51,.92), rgba(15,42,74,.72)); }
.auth-aside > * { position: relative; z-index: 2; }
.auth-aside__title { font-size: 34px; font-weight: 700; line-height: 1.45; letter-spacing: .02em; }
.auth-aside__title em { font-style: normal; color: var(--gold-2); }
.auth-aside__desc { margin-top: 20px; color: #b6c8dc; font-size: 14.5px; line-height: 2; max-width: 420px; }
.auth-aside__list { margin: 32px 0 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.auth-aside__list li { display: flex; align-items: center; gap: 12px; color: #cfdceb; font-size: 14px; }
.auth-aside__list li svg { width: 17px; height: 17px; color: var(--gold); flex: none; }
.auth-main { display: flex; align-items: center; justify-content: center; padding: 48px 24px; background: var(--bg-soft); }
.auth-card { width: 100%; max-width: 424px; }
.auth-card__head { margin-bottom: 30px; }
.auth-card__head h1 { font-size: 26px; font-weight: 700; letter-spacing: .02em; }
.auth-card__head p { margin-top: 10px; color: var(--text-soft); font-size: 14px; }
.auth-tabs { display: flex; gap: 6px; background: var(--bg-mute); padding: 5px; border-radius: 10px; margin-bottom: 26px; }
.auth-tabs button {
  flex: 1; height: 38px; border: 0; background: transparent; border-radius: 7px; cursor: pointer;
  font-size: 14px; color: var(--text-soft); transition: all .25s var(--ease);
}
.auth-tabs button.is-on { background: #fff; color: var(--navy-700); font-weight: 600; box-shadow: var(--shadow-sm); }
.auth-foot { margin-top: 26px; text-align: center; font-size: 13.5px; color: var(--text-soft); }
.auth-foot a { color: var(--navy-600); font-weight: 500; }
.auth-back { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--text-soft); margin-top: 34px; }
.auth-back:hover { color: var(--navy-700); }

/* ---------- 用户中心 / 后台 ---------- */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.panel__head { padding: 22px 26px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--bg-soft); }
.panel__head h3 { font-size: 16.5px; font-weight: 600; }
.panel__body { padding: 26px; }

.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--line); border-radius: var(--radius); overflow: hidden; }
.kv__i { background: #fff; padding: 22px 24px; }
.kv__k { font-size: 12.5px; color: var(--text-mute); letter-spacing: .1em; }
.kv__v { margin-top: 8px; font-size: 17px; font-weight: 600; color: var(--navy-800); }
.kv__v small { font-size: 12.5px; color: var(--gold); font-weight: 600; margin-left: 2px; }

.drop {
  border: 1.5px dashed var(--line-strong); border-radius: var(--radius); padding: 46px 26px; text-align: center;
  background: var(--bg-soft); transition: all .3s var(--ease); cursor: pointer;
}
.drop:hover, .drop.is-over { border-color: var(--navy-500); background: #f0f5fb; }
.drop svg { width: 40px; height: 40px; color: var(--navy-500); margin-bottom: 14px; }
.drop b { display: block; font-size: 15.5px; font-weight: 600; }
.drop span { display: block; margin-top: 8px; font-size: 13px; color: var(--text-mute); }

.filelist { margin-top: 22px; display: grid; gap: 10px; }
.fileitem { display: flex; align-items: center; gap: 16px; padding: 14px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; transition: border-color .25s; }
.fileitem:hover { border-color: var(--line-strong); }
.fileitem__ico { width: 38px; height: 38px; flex: none; border-radius: 9px; background: var(--bg-mute); display: grid; place-items: center; color: var(--navy-600); font-size: 11px; font-weight: 700; text-transform: uppercase; }
.fileitem__thumb { width: 38px; height: 38px; border-radius: 9px; object-fit: cover; flex: none; }
.fileitem__main { min-width: 0; flex: 1; }
.fileitem__name { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fileitem__meta { font-size: 12.5px; color: var(--text-mute); margin-top: 3px; }
.fileitem__acts { display: flex; gap: 8px; flex: none; }

.icon-btn { width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer; display: grid; place-items: center; color: var(--text-soft); transition: all .25s; }
.icon-btn:hover { border-color: var(--navy-500); color: var(--navy-700); }
.icon-btn.is-danger:hover { border-color: #e6b5ae; color: var(--danger); background: #fdf4f3; }
.icon-btn svg { width: 16px; height: 16px; }

.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tbl th, table.tbl td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.tbl th { background: var(--bg-soft); font-size: 12.5px; letter-spacing: .08em; color: var(--text-mute); font-weight: 600; text-transform: uppercase; white-space: nowrap; }
table.tbl tr:hover td { background: #fbfcfe; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.badge--new { background: var(--gold-soft); color: #8a6d1f; }
.badge--done { background: var(--bg-mute); color: var(--text-mute); }

.empty { padding: 54px 20px; text-align: center; color: var(--text-mute); }
.empty svg { width: 44px; height: 44px; margin-bottom: 14px; opacity: .45; }
.empty p { font-size: 14px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy-900); color: #97aabf; padding: 72px 0 0; font-size: 14px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 46px; padding-bottom: 52px; }
.footer .logo__cn { color: #fff; }
.footer .logo__en { color: rgba(255, 255, 255, .45); }
.footer__desc { margin-top: 20px; line-height: 2; color: #8ea3b8; font-size: 13.5px; max-width: 340px; }
.footer h4 { color: #fff; font-size: 14.5px; letter-spacing: .1em; margin-bottom: 22px; font-weight: 600; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer ul a:hover { color: var(--gold-2); }
.footer__contact li { display: flex; gap: 12px; line-height: 1.8; }
.footer__contact svg { width: 16px; height: 16px; flex: none; margin-top: 4px; color: var(--gold); }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 24px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #7f93a8; }
.footer__bottom a:hover { color: var(--gold-2); }

/* ---------- 提示 / 弹窗 ---------- */
.toast-wrap { position: fixed; right: 26px; bottom: 26px; z-index: 1200; display: grid; gap: 10px; }
.toast {
  min-width: 240px; max-width: 380px; background: var(--navy-900); color: #fff; padding: 14px 20px;
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); font-size: 14px;
  border-left: 3px solid var(--gold); animation: toastIn .32s var(--ease);
}
.toast.is-err { border-left-color: #e07b6d; }
.toast.is-ok { border-left-color: #6fbf95; }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.modal { position: fixed; inset: 0; z-index: 1100; display: none; align-items: center; justify-content: center; padding: 24px; }
.modal.is-open { display: flex; }
.modal__mask { position: absolute; inset: 0; background: rgba(10, 28, 51, .55); backdrop-filter: blur(3px); animation: fadeIn .25s; }
.modal__box { position: relative; background: #fff; border-radius: var(--radius); width: 100%; max-width: 560px; max-height: 86vh; overflow: auto; box-shadow: var(--shadow-lg); animation: modalIn .3s var(--ease); }
.modal__head { padding: 22px 26px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.modal__head h3 { font-size: 17px; }
.modal__body { padding: 26px; }
.modal__close { width: 32px; height: 32px; border: 0; background: var(--bg-mute); border-radius: 8px; cursor: pointer; font-size: 18px; line-height: 1; color: var(--text-soft); }
.modal__close:hover { background: var(--line); }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(18px) scale(.98); } }

.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 滚动动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-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: 1080px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .adv { grid-template-columns: repeat(2, 1fr); }
  .adv__item:nth-child(2) { border-right: 0; }
  .adv__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .about-split { grid-template-columns: 1fr; gap: 54px; }
  .svc-detail { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; gap: 0; padding: 12px 20px 20px; margin: 0; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow); transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: all .3s var(--ease); max-height: calc(100vh - var(--header-h)); overflow: auto;
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 14px 12px; border-radius: 8px; color: var(--text-soft) !important; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: 0; }
  .nav a::after { display: none; }
  .nav a.is-active { color: var(--navy-700) !important; background: var(--bg-soft); }
  .logo__en { display: none; }

  .section { padding: 72px 0; }
  .stats { margin-top: -34px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta__inner { flex-direction: column; align-items: flex-start; gap: 30px; padding: 58px 0; }
  .hero { min-height: auto; padding: calc(var(--header-h) + 56px) 0 76px; }
  .hero__scroll { display: none; }
  .timeline::before { left: 4px; }
  .tl { grid-template-columns: 1fr; gap: 6px; padding-left: 30px; }
  .tl::before { left: 0; top: 26px; }
  .tl__year { text-align: left; font-size: 18px; }
  .about-media__badge { left: 12px; bottom: -16px; padding: 16px 20px; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .form-card, .panel__body { padding: 26px 22px; }
  .footer__bottom { flex-direction: column; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .adv { grid-template-columns: 1fr; }
  .adv__item { border-right: 0; border-bottom: 1px solid var(--line); }
  .stats__grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .toast-wrap { right: 14px; left: 14px; bottom: 14px; }
  .toast { min-width: 0; max-width: none; }
}