/* ============================================================
   温岭市顺势而为软件有限公司 · 企业官网
   配色 token / 布局 / 组件  ——  简约大气 · 科技蓝
   ============================================================ */

:root {
  /* 主色 */
  --blue-primary: #185FA5;
  --blue-dark:    #0C447C;
  --blue-deep:    #073057;
  --blue-light:   #EAF2FA;
  --blue-tint:    #F4F8FC;

  /* 中性 */
  --ink:    #1A2433;
  --muted:  #5B6B7F;
  --line:   #E3E9F0;
  --bg:     #FFFFFF;
  --bg-alt: #F7FAFD;

  /* 状态 */
  --green:  #1F9D5B;
  --amber:  #C8881A;

  /* 节奏 */
  --maxw: 1160px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(12, 68, 124, 0.08);
  --shadow-sm: 0 4px 14px rgba(12, 68, 124, 0.06);

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
          system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------------- 导航 ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--blue-dark);
  letter-spacing: .3px;
}
.brand .logo-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-deep));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 15px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color .2s;
}
.nav-links a:hover { color: var(--blue-primary); }
.nav-links a.active { color: var(--blue-primary); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -22px;
  height: 3px;
  border-radius: 3px;
  background: var(--blue-primary);
}
.nav-toggle {
  display: none;
  background: none; border: none;
  font-size: 24px; color: var(--blue-dark);
  cursor: pointer;
}

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-primary) 100%);
  color: #fff;
  padding: 92px 0 104px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(255,255,255,.12), transparent 70%);
}
.hero .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.3);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 16px;
  max-width: 760px;
}
.hero .slogan {
  font-size: 19px;
  color: rgba(255,255,255,.9);
  margin-bottom: 14px;
  font-weight: 500;
}
.hero .lead {
  font-size: 16px;
  color: rgba(255,255,255,.8);
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-tags {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 36px;
}
.hero-tags span {
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.2);
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 14px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn-primary {
  background: #fff; color: var(--blue-dark);
  box-shadow: 0 8px 22px rgba(0,0,0,.15);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: #fff;
  border: 1px solid rgba(255,255,255,.5);
}
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-blue {
  background: var(--blue-primary); color: #fff;
}
.btn-blue:hover { background: var(--blue-dark); transform: translateY(-2px); }

/* ---------------- 通用区块 ---------------- */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .kicker {
  color: var(--blue-primary);
  font-weight: 700; font-size: 14px;
  letter-spacing: 2px; margin-bottom: 10px;
}
.section-head h2 {
  font-size: 30px; color: var(--blue-dark);
  font-weight: 800; margin-bottom: 12px;
}
.section-head p { color: var(--muted); max-width: 640px; margin: 0 auto; }

/* ---------------- 产品卡片 ---------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-light); }
.card .card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--blue-light);
  color: var(--blue-primary);
  display: grid; place-items: center;
  font-size: 22px; margin-bottom: 18px;
}
.card h3 { font-size: 20px; color: var(--blue-dark); margin-bottom: 8px; }
.card .tagline { color: var(--blue-primary); font-weight: 600; font-size: 14px; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 15px; }
.badge {
  display: inline-block;
  font-size: 12px; font-weight: 700;
  padding: 4px 11px; border-radius: 999px;
  margin-left: 10px; vertical-align: middle;
}
.badge.dev { background: #FFF4E0; color: var(--amber); }
.badge.beta { background: #E6F6EE; color: var(--green); }

/* ---------------- 业务矩阵 ---------------- */
.matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.matrix .item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px;
}
.matrix .item h4 { color: var(--blue-dark); font-size: 16px; margin-bottom: 6px; }
.matrix .item p { color: var(--muted); font-size: 14px; }

/* ---------------- 关于页 ---------------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.about-grid h2 { font-size: 26px; color: var(--blue-dark); margin-bottom: 16px; }
.about-grid p { color: var(--muted); margin-bottom: 14px; }
.biz-list { list-style: none; }
.biz-list li {
  padding: 10px 0 10px 26px;
  position: relative;
  border-bottom: 1px dashed var(--line);
  color: var(--ink); font-size: 15px;
}
.biz-list li::before {
  content: ""; position: absolute; left: 0; top: 18px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue-primary);
}
.panel {
  background: var(--blue-tint);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius);
  padding: 28px;
}
.panel h3 { color: var(--blue-dark); margin-bottom: 12px; font-size: 18px; }
.panel p { color: var(--muted); font-size: 15px; }

/* ---------------- 联系页 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info .row { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-info .row .ico { color: var(--blue-primary); font-size: 20px; width: 28px; }
.contact-info .row .label { color: var(--muted); font-size: 13px; }
.contact-info .row .val { color: var(--ink); font-weight: 600; }
.map-placeholder {
  margin-top: 22px;
  height: 200px;
  border-radius: var(--radius-sm);
  background:
    repeating-linear-gradient(45deg, #eef3f8, #eef3f8 12px, #e7eef6 12px, #e7eef6 24px);
  display: grid; place-items: center;
  color: var(--muted); font-size: 14px;
  border: 1px solid var(--line);
}

/* 表单 */
.form-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm);
}
.form-card h3 { color: var(--blue-dark); margin-bottom: 18px; font-size: 20px; }

/* 直接联系卡片（2026-10-30 在线表单下线后，右侧只留电话与邮箱） */
.quick-note { color: var(--muted); font-size: 14px; line-height: 1.7; margin-bottom: 10px; }
.quick-row {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
  text-decoration: none; transition: transform .2s;
}
.quick-row:last-of-type { border-bottom: 0; }
.quick-row:hover { transform: translateX(2px); }
.quick-row .ico { font-size: 20px; width: 28px; text-align: center; }
.quick-row .txt { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.quick-row .label { color: var(--muted); font-size: 13px; }
.quick-row .val { color: var(--ink); font-weight: 600; font-size: 16px; word-break: break-all; }
.quick-row:hover .val { color: var(--blue-primary); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 15px; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px var(--blue-light);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 10px; }
.form-msg { margin-top: 14px; font-size: 14px; padding: 10px 14px; border-radius: var(--radius-sm); display: none; }
.form-msg.ok { display: block; background: #E6F6EE; color: var(--green); }
.form-msg.err { display: block; background: #FDECEC; color: #C0392B; }

/* ---------------- CTA ---------------- */
.cta {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-primary));
  color: #fff; border-radius: var(--radius);
  padding: 56px 40px; text-align: center;
  margin: 0 0 80px;
}
.cta h2 { font-size: 28px; margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,.85); margin-bottom: 26px; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  background: var(--blue-deep);
  color: rgba(255,255,255,.8);
  padding: 52px 0 26px;
  font-size: 14px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px;
  margin-bottom: 36px;
}
.footer-grid .brand { color: #fff; margin-bottom: 14px; }
.footer-grid p { color: rgba(255,255,255,.65); max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,.7); padding: 5px 0; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: rgba(255,255,255,.6); font-size: 13px;
}
.footer-bottom a { color: rgba(255,255,255,.7); }
.footer-bottom a:hover { color: #fff; }
.icp { letter-spacing: .5px; }
.icp a { text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.28); }
.icp a:hover { border-bottom-color: rgba(255,255,255,.75); }

/* ---------------- 隐私政策 ---------------- */
.doc { max-width: 820px; margin: 0 auto; }
.doc h1 { font-size: 30px; color: var(--blue-dark); margin-bottom: 8px; }
.doc .updated { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.doc h2 { font-size: 20px; color: var(--blue-dark); margin: 30px 0 10px; }
.doc p, .doc li { color: var(--muted); margin-bottom: 10px; }
.doc ul { padding-left: 22px; }
.doc strong { color: var(--ink); }

/* ---------------- 后台 ---------------- */
.admin-wrap { max-width: 880px; margin: 40px auto; padding: 0 24px; }
.admin-wrap h1 { color: var(--blue-dark); font-size: 26px; margin-bottom: 6px; }
.admin-sub { color: var(--muted); margin-bottom: 24px; }
.login-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; max-width: 380px; box-shadow: var(--shadow-sm);
}
.admin-section {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; margin-bottom: 22px; box-shadow: var(--shadow-sm);
}
.admin-section h3 { color: var(--blue-dark); margin-bottom: 16px; font-size: 18px; }
.admin-section textarea { width: 100%; min-height: 120px; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); font-family: inherit; font-size: 15px; }
.admin-bar { display: flex; gap: 12px; margin-bottom: 18px; align-items: center; }
.admin-hidden { display: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 880px) {
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: flex-start;
    gap: 0; padding: 8px 24px 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; width: 100%; }
  .nav-links a.active::after { display: none; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 30px; }
  .cards, .matrix, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 56px 0; }
}