/* 陕西鸿翌半导体科技有限公司 - 企业官网样式 v2（对标上市设计服务同行风格） */
:root {
  --ink: #050e1f;
  --navy: #0a1a33;
  --navy-2: #10264a;
  --blue: #1a6cff;
  --cyan: #22d3ee;
  --gold: #c9a45c;
  --text: #1e2a3a;
  --muted: #64748b;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --border: #e3e9f2;
  --radius: 14px;
  --shadow: 0 16px 40px rgba(10, 26, 51, 0.10);
  --maxw: 1180px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 19px; letter-spacing: 1px;
  box-shadow: 0 4px 14px rgba(26, 108, 255, 0.35);
}
.brand-logo-img {
  width: 42px; height: 42px; border-radius: 10px; object-fit: cover; flex: none;
  display: block;
}
.footer .brand-logo-img {
  background: #fff; padding: 4px; box-sizing: border-box;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}
.brand-name { font-size: 17px; font-weight: 700; color: var(--navy); line-height: 1.3; }
.brand-name small { display: block; font-size: 10px; font-weight: 400; color: var(--muted); letter-spacing: 1px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 18px; border-radius: 8px; font-size: 15px; color: var(--text);
  transition: all 0.2s; position: relative;
}
.nav a:hover { color: var(--blue); }
.nav a.active { color: var(--blue); font-weight: 600; }
.nav a.active::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 2px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-block; padding: 10px 26px; border-radius: 8px;
  font-size: 15px; cursor: pointer; border: none; transition: all 0.25s;
  font-family: inherit; letter-spacing: 1px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), #0f4fd0); color: #fff;
  box-shadow: 0 6px 18px rgba(26, 108, 255, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(26, 108, 255, 0.4); }
.btn-outline { background: transparent; color: var(--navy); border: 1px solid #c6d2e4; }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { color: var(--blue); }
.user-chip {
  display: none; align-items: center; gap: 8px; font-size: 14px; color: var(--navy);
  background: #e8f0ff; padding: 6px 14px; border-radius: 20px;
}
.user-chip.show { display: flex; }
.user-chip .logout { color: var(--muted); cursor: pointer; font-size: 13px; }
.user-chip .logout:hover { color: #d43c3c; }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--navy); }

/* ---------- Hero（深色科技风） ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 420px at 85% 0%, rgba(34, 211, 238, 0.16), transparent 55%),
    radial-gradient(700px 380px at 0% 100%, rgba(26, 108, 255, 0.22), transparent 55%),
    linear-gradient(150deg, #050e1f 0%, #0a1a33 55%, #0d2450 100%);
  padding: 120px 0 0;
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: 0.35; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 60% 30%, #000 30%, transparent 75%);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
.hero .tag {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(34, 211, 238, 0.45); border-radius: 30px;
  padding: 6px 18px; font-size: 13px; letter-spacing: 3px; margin-bottom: 28px;
  color: #9be8f5; background: rgba(34, 211, 238, 0.08);
}
.hero .tag::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 10px var(--cyan);
}
.hero h1 { font-size: 46px; line-height: 1.28; font-weight: 700; margin-bottom: 22px; letter-spacing: 1px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #6db3ff, #22d3ee);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 17.5px; color: rgba(255, 255, 255, 0.75); max-width: 620px; margin-bottom: 42px; }
.hero .actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 70px; }
.hero .actions .btn-primary { padding: 14px 36px; font-size: 16px; }
.hero .actions .btn-outline { border-color: rgba(255, 255, 255, 0.4); color: #fff; padding: 14px 36px; font-size: 16px; }
.hero .actions .btn-outline:hover { background: #fff; color: var(--navy); }

/* Hero 右侧：芯片视觉 */
.hero-visual { position: relative; min-height: 380px; }
.hero-visual svg { width: 100%; height: auto; filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.5)); }
.hero-visual .float-dot {
  position: absolute; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan); opacity: 0.9;
  animation: float 4s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* Hero 底部数据带 */
.hero-stats {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
}
.hero-stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.hstat { padding: 30px 20px; text-align: center; position: relative; }
.hstat + .hstat::before {
  content: ""; position: absolute; left: 0; top: 30%; bottom: 30%;
  width: 1px; background: rgba(255, 255, 255, 0.14);
}
.hstat .num { font-size: 34px; font-weight: 700; color: #fff; }
.hstat .num b {
  font-weight: 700;
  background: linear-gradient(90deg, #6db3ff, #22d3ee);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hstat .label { color: rgba(255, 255, 255, 0.6); font-size: 14px; margin-top: 4px; }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-head .kicker {
  color: var(--blue); font-size: 13px; letter-spacing: 4px; font-weight: 700;
  text-transform: uppercase; margin-bottom: 12px;
}
.section-head h2 { font-size: 34px; color: var(--navy); margin-bottom: 16px; letter-spacing: 1px; }
.section-head h2 span {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-head p { color: var(--muted); font-size: 16px; }

.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 30px; transition: all 0.25s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 22px;
  background: linear-gradient(135deg, #eaf1ff, #e2fbff);
  display: flex; align-items: center; justify-content: center;
}
.card .icon svg { width: 28px; height: 28px; stroke: var(--blue); }
.card h3 { font-size: 19px; color: var(--navy); margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip-tag {
  font-size: 12px; color: var(--blue); background: #eef4ff;
  border: 1px solid #dbe7ff; border-radius: 6px; padding: 3px 10px;
}

/* 平台能力（深色区块） */
.platform {
  background:
    radial-gradient(700px 300px at 90% 10%, rgba(34, 211, 238, 0.1), transparent 55%),
    linear-gradient(160deg, #050e1f, #0a1a33 70%, #0c2144);
  color: #fff; padding: 96px 0;
}
.platform .section-head h2 { color: #fff; }
.platform .section-head p { color: rgba(255, 255, 255, 0.65); }
.pcard {
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius); padding: 32px 28px; transition: all 0.25s;
  backdrop-filter: blur(4px);
}
.pcard:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.4); }
.pcard h3 { color: #fff; font-size: 18px; margin-bottom: 12px; }
.pcard p { color: rgba(255, 255, 255, 0.68); font-size: 14.5px; }
.pcard .num-line { font-size: 30px; font-weight: 700; color: var(--cyan); margin-bottom: 8px; }
.pcard .num-line small { font-size: 14px; color: rgba(255, 255, 255, 0.6); font-weight: 400; }

/* 生态版图 */
.eco-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; text-align: center; transition: all 0.25s;
}
.eco-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.eco-card .ic {
  width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, #eaf1ff, #e2fbff);
  display: flex; align-items: center; justify-content: center;
}
.eco-card .ic svg { width: 28px; height: 28px; stroke: var(--blue); }
.eco-card h3 { font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.eco-card p { font-size: 13.5px; color: var(--muted); }

/* 服务流程 */
.steps { counter-reset: step; }
.step {
  position: relative; padding: 26px 28px 26px 80px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px;
  transition: all 0.25s;
}
.step:hover { border-color: var(--blue); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; left: 26px; top: 24px;
  font-size: 28px; font-weight: 700;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step h3 { color: var(--navy); font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* 新闻动态 */
.news-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: all 0.25s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.news-card .cover { height: 150px; position: relative; }
.news-card .cover.c1 { background: linear-gradient(135deg, #0a1a33, #1a6cff); }
.news-card .cover.c2 { background: linear-gradient(135deg, #0a1a33, #0e9488); }
.news-card .cover.c3 { background: linear-gradient(135deg, #0a1a33, #c9a45c); }
.news-card .cover .n {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.9); font-size: 40px; font-weight: 700; letter-spacing: 6px;
}
.news-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.news-body .date { font-size: 12.5px; color: var(--blue); letter-spacing: 1px; margin-bottom: 8px; }
.news-body h3 { font-size: 16.5px; color: var(--navy); margin-bottom: 10px; line-height: 1.5; }
.news-body p { font-size: 13.5px; color: var(--muted); flex: 1; }
.news-body .more { color: var(--blue); font-size: 13.5px; margin-top: 14px; }

/* 联系页（沿用） */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: start; }
.info-card {
  background: linear-gradient(160deg, #050e1f, #0a1a33 70%, #0c2144);
  color: #fff; border-radius: var(--radius); padding: 36px 32px;
}
.info-card h3 { font-size: 20px; margin-bottom: 22px; }
.info-row { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.info-row .ic {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center;
}
.info-row .ic svg { width: 20px; height: 20px; stroke: var(--cyan); }
.info-row .t1 { font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.info-row .t2 { font-size: 15px; }
.form-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 32px; box-shadow: var(--shadow);
}
.form-card h3 { color: var(--navy); font-size: 20px; margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 14px; color: var(--navy); font-weight: 600; }
.form-group input, .form-group select, .form-group textarea {
  border: 1px solid var(--border); border-radius: 8px; padding: 11px 14px;
  font-size: 14.5px; font-family: inherit; color: var(--text); background: #fff;
  transition: border 0.2s; width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px #e8f0ff;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.file-hint { font-size: 12.5px; color: var(--muted); }
.file-list { font-size: 13px; color: var(--blue); margin-top: 6px; }
.form-msg { grid-column: 1 / -1; font-size: 14px; border-radius: 8px; padding: 10px 14px; display: none; }
.form-msg.ok { display: block; background: #e8f7ee; color: #1c7a3d; border: 1px solid #bfe8cd; }
.form-msg.err { display: block; background: #fdeeee; color: #c0392b; border: 1px solid #f3c4c4; }

/* ---------- 登录弹窗 ---------- */
.modal-mask {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(5, 14, 31, 0.6); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 16px; width: 100%; max-width: 420px;
  padding: 40px 36px; position: relative; animation: pop 0.25s ease;
  box-shadow: 0 24px 60px rgba(5, 14, 31, 0.3);
}
@keyframes pop { from { transform: scale(0.94); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal .close {
  position: absolute; right: 18px; top: 14px; font-size: 22px; color: var(--muted);
  cursor: pointer; background: none; border: none;
}
.modal .close:hover { color: var(--navy); }
.modal h3 { color: var(--navy); font-size: 22px; margin-bottom: 6px; text-align: center; }
.modal .sub { text-align: center; color: var(--muted); font-size: 13.5px; margin-bottom: 24px; }
.modal .tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 22px; }
.modal .tabs button {
  flex: 1; background: none; border: none; padding: 10px 0; font-size: 15px;
  cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; font-family: inherit;
}
.modal .tabs button.on { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }
.modal .form-group { margin-bottom: 16px; }
.modal .btn { width: 100%; padding: 12px; font-size: 15.5px; }
.modal .form-msg { margin-top: 12px; }
.login-state-tip {
  background: #e8f0ff; color: var(--navy); border-radius: 8px;
  padding: 12px 14px; font-size: 14px; margin-bottom: 16px; text-align: center;
}
.login-state-tip a { color: var(--blue); cursor: pointer; font-weight: 600; }

/* ---------- 页脚 ---------- */
.footer {
  background:
    radial-gradient(600px 260px at 85% 0%, rgba(34, 211, 238, 0.08), transparent 55%),
    linear-gradient(160deg, #050e1f, #0a1a33);
  color: rgba(255, 255, 255, 0.75); padding: 70px 0 0;
}
.footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 46px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer a { display: block; font-size: 14px; margin-bottom: 10px; color: rgba(255, 255, 255, 0.65); }
.footer a:hover { color: var(--cyan); }
.footer .about-txt { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, 0.6); max-width: 320px; }
.footer .brand-name { color: #fff; }
.footer .brand-name small { color: rgba(255, 255, 255, 0.5); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 18px 0;
  font-size: 13px; text-align: center; color: rgba(255, 255, 255, 0.45);
}

/* 内页 banner */
.page-banner {
  position: relative; overflow: hidden; color: #fff; padding: 84px 0;
  background:
    radial-gradient(700px 300px at 85% 0%, rgba(34, 211, 238, 0.16), transparent 55%),
    linear-gradient(150deg, #050e1f 0%, #0a1a33 60%, #0d2450 100%);
}
.page-banner::before {
  content: ""; position: absolute; inset: 0; opacity: 0.3; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 90% at 70% 20%, #000 30%, transparent 80%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: 38px; margin-bottom: 10px; letter-spacing: 1px; }
.page-banner p { color: rgba(255, 255, 255, 0.7); font-size: 16px; }
.breadcrumb { font-size: 13.5px; color: rgba(255, 255, 255, 0.55); margin-top: 14px; }
.breadcrumb a { color: rgba(255, 255, 255, 0.8); }

/* 能力清单（服务页） */
.cap-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin-top: 14px; }
.cap-list .cap { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--muted); }
.cap-list .cap::before {
  content: "▸"; color: var(--blue); font-weight: 700; flex: none;
}

/* 响应式 */
@media (max-width: 1000px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero h1 { font-size: 34px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .hstat:nth-child(3)::before { display: none; }
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 12px 20px 18px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; }
  .nav-actions { display: none; }
}
@media (max-width: 620px) {
  .grid-3, .grid-4, .grid-2, .form-grid, .cap-list { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 0; }
  .hero h1 { font-size: 28px; }
  .hero .actions { margin-bottom: 50px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .platform { padding: 64px 0; }
  .footer .cols { grid-template-columns: 1fr; }
}