/* ============================================================
   创想智服 · 官网主题样式
   主色调：天蓝色系 | 大厂科技风 | 全站资源本地化
   ============================================================ */

:root {
  /* 天蓝色系 */
  --c-primary: #0ea5e9;
  --c-primary-dark: #0284c7;
  --c-primary-deep: #0369a1;
  --c-primary-ink: #075985;
  --c-sky-1: #e0f2fe;
  --c-sky-2: #bae6fd;
  --c-sky-3: #7dd3fc;
  --c-sky-4: #38bdf8;

  --grad-main: linear-gradient(135deg, #0284c7 0%, #0ea5e9 48%, #38bdf8 100%);
  --grad-soft: linear-gradient(160deg, #f0f9ff 0%, #e0f2fe 100%);
  --grad-ink: linear-gradient(180deg, #0c4a6e 0%, #082f49 100%);

  /* 中性色 */
  --c-text: #0f172a;
  --c-text-2: #475569;
  --c-text-3: #64748b;
  --c-bg: #f8fafc;
  --c-line: #e2e8f0;
  --c-white: #ffffff;

  /* 圆角 / 阴影 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-full: 999px;

  --shadow-sm: 0 1px 3px rgba(2, 44, 84, .06);
  --shadow-md: 0 6px 20px rgba(2, 44, 84, .08);
  --shadow-lg: 0 16px 44px rgba(2, 44, 84, .12);
  --shadow-blue: 0 10px 30px rgba(14, 165, 233, .28);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

img, svg { vertical-align: middle; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

::selection { background: var(--c-sky-3); color: var(--c-primary-ink); }

/* ---------- 布局工具 ---------- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 88px 0; }
.section.soft { background: var(--c-white); }
.section.tint { background: var(--grad-soft); }

.section-head { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.section-head .badge { margin-bottom: 16px; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.3; letter-spacing: .5px; }
.section-head p { margin-top: 14px; color: var(--c-text-3); font-size: 16.5px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: var(--r-full);
  background: var(--c-sky-1); color: var(--c-primary-deep);
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
}
.badge i { font-size: 12px; }

.text-center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--r-full);
  font-size: 15.5px; font-weight: 600; letter-spacing: .3px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn i { font-size: 14px; }

.btn-primary { background: var(--grad-main); color: var(--c-white); box-shadow: var(--shadow-blue); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(14, 165, 233, .38); }

.btn-outline { border: 1.5px solid var(--c-sky-3); color: var(--c-primary-deep); background: transparent; }
.btn-outline:hover { background: var(--c-sky-1); }

.btn-white { background: var(--c-white); color: var(--c-primary-deep); box-shadow: var(--shadow-md); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-ghost-white { border: 1.5px solid rgba(255,255,255,.55); color: var(--c-white); background: rgba(255,255,255,.08); backdrop-filter: blur(6px); }
.btn-ghost-white:hover { background: rgba(255,255,255,.18); }

.btn-lg { padding: 16px 38px; font-size: 16.5px; }

/* ---------- 导航栏 ---------- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow .25s ease;
}
.navbar.scrolled { box-shadow: 0 6px 24px rgba(2,44,84,.08); }

.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.logo { display: flex; align-items: center; gap: 11px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--grad-main); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
  box-shadow: 0 6px 16px rgba(14,165,233,.35);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text strong { font-size: 19px; letter-spacing: 2px; color: var(--c-text); }
.logo-text span { font-size: 11.5px; color: var(--c-text-3); letter-spacing: 1.5px; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 16px; border-radius: var(--r-full);
  font-size: 15px; font-weight: 500; color: var(--c-text-2);
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover { color: var(--c-primary-deep); background: var(--c-sky-1); }
.nav-links a.active { color: var(--c-primary-deep); background: var(--c-sky-1); font-weight: 600; }

.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-tel { display: flex; align-items: center; gap: 9px; }
.nav-tel .tel-ico {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--c-sky-1); color: var(--c-primary-deep);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.nav-tel .tel-txt { line-height: 1.25; }
.nav-tel .tel-txt small { display: block; font-size: 11px; color: var(--c-text-3); letter-spacing: 1px; }
.nav-tel .tel-txt strong { font-size: 15.5px; color: var(--c-text); letter-spacing: .5px; }

.nav-btn { padding: 10px 22px; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 10px;
  background: var(--c-sky-1); color: var(--c-primary-deep);
  font-size: 18px; align-items: center; justify-content: center;
}

@media (max-width: 992px) {
  .nav-links, .nav-tel { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-right { gap: 10px; }
  .nav-btn { display: none; }
}

/* 移动端抽屉菜单 */
.mobile-menu {
  position: fixed; inset: 0; z-index: 200; display: none;
}
.mobile-menu.open { display: block; }
.mobile-menu .mask { position: absolute; inset: 0; background: rgba(8,47,73,.5); backdrop-filter: blur(3px); }
.mobile-menu .panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 82%; max-width: 340px;
  background: #fff; padding: 26px 24px;
  box-shadow: -12px 0 40px rgba(2,44,84,.16);
  display: flex; flex-direction: column;
  animation: slideIn .28s ease;
}
@keyframes slideIn { from { transform: translateX(60px); opacity: 0; } to { transform: none; opacity: 1; } }

.mobile-menu .panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.mobile-menu .close { width: 38px; height: 38px; border-radius: 10px; background: var(--c-sky-1); color: var(--c-primary-deep); font-size: 16px; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu nav a { padding: 13px 12px; border-radius: 10px; font-size: 16px; color: var(--c-text-2); font-weight: 500; }
.mobile-menu nav a.active { background: var(--c-sky-1); color: var(--c-primary-deep); }
.mobile-menu .panel-cta { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--grad-main);
  color: #fff;
  padding: 96px 0 110px;
}
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.08); pointer-events: none;
}
.hero::before { width: 520px; height: 520px; right: -140px; top: -160px; }
.hero::after { width: 340px; height: 340px; left: -110px; bottom: -150px; }

.hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 18px; border-radius: var(--r-full);
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28);
  font-size: 13.5px; font-weight: 500; letter-spacing: .5px;
  backdrop-filter: blur(6px);
}
.hero-badge i { color: var(--c-sky-2); }

.hero h1 {
  margin: 22px 0 20px;
  font-size: clamp(28px, 3.9vw, 46px);
  line-height: 1.24; letter-spacing: .5px; font-weight: 800;
}
.hero h1 .hl-line { white-space: nowrap; }
.hero h1 .hl {
  color: #ffd75e; position: relative; font-weight: 900;
  text-shadow: 0 0 22px rgba(255, 215, 94, .55), 0 2px 8px rgba(0, 0, 0, .18);
}

.hero-desc { font-size: 17.5px; color: rgba(255,255,255,.88); max-width: 540px; }

.hero-points { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 26px 0 34px; }
.hero-points li { display: flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 500; color: rgba(255,255,255,.94); }
.hero-points li i { width: 20px; height: 20px; border-radius: 50%; background: rgba(255,255,255,.2); font-size: 11px; display: flex; align-items: center; justify-content: center; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-meta { margin-top: 34px; display: flex; gap: 34px; }
.hero-meta .hm { display: flex; flex-direction: column; }
.hero-meta .hm b { font-size: 22px; font-weight: 800; }
.hero-meta .hm span { font-size: 12.5px; color: rgba(255,255,255,.75); letter-spacing: 1px; }

/* Hero 右侧卡片 */
.hero-card {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.26);
  border-radius: var(--r-lg);
  padding: 30px 26px;
  backdrop-filter: blur(12px);
  box-shadow: 0 30px 60px rgba(2,44,84,.25);
}
.hero-card .hc-title { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; margin-bottom: 20px; }
.hero-card .hc-title i { color: var(--c-sky-2); }

.hero-card .hc-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed rgba(255,255,255,.22); }
.hero-card .hc-item:last-child { border-bottom: none; padding-bottom: 0; }
.hero-card .hc-ico {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 11px;
  background: rgba(255,255,255,.18); color: var(--c-sky-2);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.hero-card .hc-item strong { display: block; font-size: 15px; font-weight: 600; }
.hero-card .hc-item span { font-size: 13px; color: rgba(255,255,255,.8); }

.hero-card .hc-flag {
  margin-top: 18px; display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px; border-radius: var(--r-full);
  background: rgba(255,255,255,.16); font-size: 13px; font-weight: 600; letter-spacing: .5px;
}

@media (max-width: 992px) {
  .hero { padding: 64px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 520px; }
  .hero h1 { font-size: clamp(28px, 5vw, 40px); }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
}

/* ---------- 信任数据条 ---------- */
.stat-strip { margin-top: -52px; position: relative; z-index: 5; }
.stat-strip .panel {
  background: var(--c-white); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: 30px 0; text-align: center;
}
.stat-strip .st { border-right: 1px solid var(--c-line); padding: 8px 16px; }
.stat-strip .st:last-child { border-right: none; }
.stat-strip .st b { display: block; font-size: 30px; font-weight: 800; color: var(--c-primary-deep); letter-spacing: .5px; }
.stat-strip .st b i { font-size: 22px; margin-right: 4px; color: var(--c-sky-4); }
.stat-strip .st span { font-size: 13.5px; color: var(--c-text-3); }

@media (max-width: 768px) {
  .stat-strip .panel { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .stat-strip .st:nth-child(2) { border-right: none; }
}

/* ---------- 卡片通用 ---------- */
.card {
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 30px 26px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--c-sky-3); }

.card-ico {
  width: 54px; height: 54px; border-radius: 14px;
  background: var(--grad-soft); color: var(--c-primary-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 23px; margin-bottom: 18px;
}
.card h3 { font-size: 18.5px; margin-bottom: 10px; letter-spacing: .3px; }
.card p { color: var(--c-text-3); font-size: 14.5px; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- 痛点板块 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pain-item {
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: var(--c-white); border: 1px solid var(--c-line); border-radius: var(--r-md);
  padding: 26px 22px; text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.pain-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.pain-item .pi-ico {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--grad-soft); color: var(--c-primary-deep);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.pain-item h4 { font-size: 16px; margin-bottom: 8px; }
.pain-item p { font-size: 13.5px; color: var(--c-text-3); line-height: 1.7; }
.pain-item .pain-count {
  align-self: center; margin-top: 14px; padding: 4px 14px; border-radius: var(--r-full);
  background: var(--grad-main); color: #fff; font-size: 12px; font-weight: 700;
  box-shadow: var(--shadow-blue); letter-spacing: .5px;
}
.pain-item .pain-link {
  margin-top: 12px; font-size: 13px; color: var(--c-primary); font-weight: 600;
}
.pain-item:hover .pain-link i { transform: translateX(4px); }
.pain-item .pain-link i { transition: transform .2s ease; }
@media (max-width: 992px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pain-grid { grid-template-columns: 1fr; } }

/* ---------- 步骤时间线 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step-card {
  position: relative; background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 30px 26px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-no {
  position: absolute; top: 22px; right: 24px;
  font-size: 44px; font-weight: 800; color: var(--c-sky-1); line-height: 1; letter-spacing: 0;
}
.step-ico {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--grad-main); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 21px;
  margin-bottom: 18px; box-shadow: var(--shadow-blue);
}
.step-card h3 { font-size: 17.5px; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--c-text-3); }
@media (max-width: 992px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .steps { grid-template-columns: 1fr; } }

/* ---------- 优势/特性列表 ---------- */
.feat-list { display: flex; flex-direction: column; gap: 18px; }
.feat-item { display: flex; gap: 16px; align-items: flex-start; }
.feat-item .fi-ico {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px;
  background: var(--grad-soft); color: var(--c-primary-deep);
  display: flex; align-items: center; justify-content: center; font-size: 19px;
}
.feat-item h4 { font-size: 16.5px; margin-bottom: 4px; }
.feat-item p { font-size: 14px; color: var(--c-text-3); }

/* ---------- 行业标签 ---------- */
.tag-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--r-full);
  background: var(--c-white); border: 1px solid var(--c-line);
  color: var(--c-text-2); font-size: 15px; font-weight: 500;
  transition: all .22s ease;
}
.tag:hover { border-color: var(--c-sky-4); color: var(--c-primary-deep); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.tag i { color: var(--c-sky-4); }

/* ---------- CTA 横条 ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: var(--grad-main); border-radius: var(--r-lg);
  padding: 58px 48px; color: #fff; text-align: center;
  box-shadow: var(--shadow-blue);
}
.cta-band::before { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,.1); top: -120px; left: -80px; }
.cta-band::after { content: ""; position: absolute; width: 240px; height: 240px; border-radius: 50%; background: rgba(255,255,255,.09); bottom: -110px; right: -60px; }
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; position: relative; z-index: 2; }
.cta-band p { color: rgba(255,255,255,.88); max-width: 620px; margin: 0 auto 30px; position: relative; z-index: 2; }
.cta-band .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background: var(--grad-main); color: #fff;
  padding: 74px 0 92px; text-align: center;
}
.page-hero::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: rgba(255,255,255,.08); right: -120px; top: -150px; }
.page-hero::after { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.08); left: -80px; bottom: -130px; }
.page-hero .crumb { position: relative; z-index: 2; font-size: 13.5px; color: rgba(255,255,255,.8); margin-bottom: 14px; }
.page-hero .crumb a { color: var(--c-sky-2); }
.page-hero h1 { position: relative; z-index: 2; font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; letter-spacing: .5px; }
.page-hero p { position: relative; z-index: 2; color: rgba(255,255,255,.88); max-width: 640px; margin: 14px auto 0; font-size: 16px; }

/* ---------- 分栏展示 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .visual {
  position: relative; border-radius: var(--r-lg);
  background: var(--grad-soft); border: 1px solid var(--c-sky-2);
  padding: 44px 34px; min-height: 300px;
  display: flex; flex-direction: column; gap: 18px; justify-content: center;
}
.split .visual .card { box-shadow: var(--shadow-md); }
@media (max-width: 992px) { .split { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- 常见问题手风琴 ---------- */
.accordion { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.acc-item {
  background: var(--c-white); border: 1px solid var(--c-line); border-radius: var(--r-md);
  overflow: hidden; transition: box-shadow .25s ease;
}
.acc-item.open { box-shadow: var(--shadow-md); border-color: var(--c-sky-3); }
.acc-head {
  width: 100%; display: flex; align-items: center; gap: 14px;
  padding: 20px 24px; text-align: left; font-size: 16.5px; font-weight: 600; color: var(--c-text);
}
.acc-head .q-ico {
  width: 30px; height: 30px; flex-shrink: 0; border-radius: 9px;
  background: var(--c-sky-1); color: var(--c-primary-deep);
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700;
}
.acc-head .arrow { margin-left: auto; color: var(--c-text-3); transition: transform .25s ease; font-size: 13px; }
.acc-item.open .arrow { transform: rotate(180deg); color: var(--c-primary-deep); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.acc-body-inner { padding: 0 24px 22px 68px; color: var(--c-text-3); font-size: 14.5px; }

/* ---------- 表单 ---------- */
.form-card {
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-lg); padding: 38px 34px;
  box-shadow: var(--shadow-lg);
}
.form-card h3 { font-size: 21px; margin-bottom: 6px; }
.form-card > p { color: var(--c-text-3); font-size: 14px; margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13.5px; font-weight: 600; color: var(--c-text-2); }
.form-group label em { color: #e11d48; font-style: normal; }
.form-group input, .form-group select, .form-group textarea {
  padding: 12px 15px; border: 1.5px solid var(--c-line); border-radius: 10px;
  font-size: 14.5px; color: var(--c-text); background: var(--c-bg);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  outline: none; width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--c-sky-4); background: #fff; box-shadow: 0 0 0 4px rgba(56,189,248,.14);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group .err-msg { font-size: 12.5px; color: #e11d48; display: none; }
.form-group.invalid input, .form-group.invalid select, .form-group.invalid textarea { border-color: #fda4af; }
.form-group.invalid .err-msg { display: block; }
.form-tip { margin-top: 14px; font-size: 12.5px; color: var(--c-text-3); display: flex; align-items: center; gap: 7px; }
.form-tip i { color: var(--c-sky-4); }
.form-submit { margin-top: 22px; width: 100%; }

.form-result { margin-top: 16px; padding: 14px 18px; border-radius: 10px; font-size: 14px; display: none; }
.form-result.ok { display: block; background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.form-result.err { display: block; background: #fff1f2; color: #be123c; border: 1px solid #fecdd3; }

/* ---------- 联系页 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card { text-align: center; padding: 34px 22px; }
.contact-card .cc-ico {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%;
  background: var(--grad-main); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 24px;
  box-shadow: var(--shadow-blue);
}
.contact-card h3 { font-size: 17px; margin-bottom: 6px; }
.contact-card p { color: var(--c-text-3); font-size: 14px; }
.contact-card .cc-main { display: block; font-size: 19px; font-weight: 700; color: var(--c-primary-deep); margin-top: 8px; letter-spacing: .5px; }
.contact-card .cc-main.small { font-size: 15.5px; }
@media (max-width: 992px) { .contact-cards { grid-template-columns: 1fr; } }

.contact-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
@media (max-width: 992px) { .contact-wrap { grid-template-columns: 1fr; } }

/* ---------- 页脚 ---------- */
.footer { background: var(--grad-ink); color: rgba(255,255,255,.78); }
.footer-main { padding: 64px 0 40px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; letter-spacing: .5px; }
.footer .f-brand .logo-text strong { color: #fff; }
.footer .f-brand .logo-text span { color: rgba(255,255,255,.6); }
.footer .f-brand p { font-size: 13.5px; margin-top: 16px; line-height: 1.9; }
.footer .f-links li { margin-bottom: 11px; }
.footer .f-links a { font-size: 14px; transition: color .2s ease, padding-left .2s ease; }
.footer .f-links a:hover { color: var(--c-sky-2); padding-left: 6px; }
.footer .f-contact li { display: flex; gap: 10px; margin-bottom: 13px; font-size: 14px; align-items: center; }
.footer .f-contact i { color: var(--c-sky-4); width: 18px; text-align: center; }
.footer .f-contact a:hover { color: var(--c-sky-2); }
.footer .f-badge {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 8px;
  padding: 8px 14px; border-radius: var(--r-full);
  background: rgba(56,189,248,.14); color: var(--c-sky-3); font-size: 12.5px; letter-spacing: .5px;
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; font-size: 12.5px; color: rgba(255,255,255,.5); }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-bottom .f-beian { display: flex; gap: 18px; }
.footer-bottom .f-beian a { color: rgba(255,255,255,.55); transition: color .2s ease; }
.footer-bottom .f-beian a:hover { color: #fff; }
@media (max-width: 992px) { .footer-main { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-main { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- 合规声明 ---------- */
.compliance-note {
  background: var(--c-sky-1); border: 1px solid var(--c-sky-2);
  border-radius: var(--r-md); padding: 22px 26px;
  font-size: 13.5px; color: var(--c-primary-ink); line-height: 1.9;
  display: flex; gap: 14px; align-items: flex-start;
}
.compliance-note i { font-size: 20px; margin-top: 2px; flex-shrink: 0; }

/* ---------- 浮动咨询条 ---------- */
.float-bar {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.float-bar a {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
  box-shadow: var(--shadow-lg);
  transition: transform .2s ease;
}
.float-bar a:hover { transform: translateY(-4px) scale(1.05); }
.float-bar .fb-tel { background: var(--grad-main); }
.float-bar .fb-wechat { background: #10b981; }
.float-bar .fb-back { background: var(--c-primary-ink); font-size: 17px; display: none; }
.float-bar .fb-back.show { display: flex; }

/* 微信弹窗 */
.wechat-modal { position: fixed; inset: 0; z-index: 300; display: none; align-items: center; justify-content: center; }
.wechat-modal.open { display: flex; }
.wechat-modal .mask { position: absolute; inset: 0; background: rgba(8,47,73,.55); backdrop-filter: blur(3px); }
.wechat-modal .box {
  position: relative; background: #fff; border-radius: var(--r-lg);
  padding: 34px 38px; text-align: center; width: 92%; max-width: 340px;
  box-shadow: var(--shadow-lg); animation: slideIn .28s ease;
}
.wechat-modal .box h4 { font-size: 18px; margin-bottom: 6px; }
.wechat-modal .box p { font-size: 13.5px; color: var(--c-text-3); margin-bottom: 18px; }
.wechat-modal .wx-code {
  width: 180px; height: 180px; margin: 0 auto 14px; border-radius: 16px;
  background: #fff; padding: 10px; overflow: hidden;
  border: 1px solid var(--c-line); box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
}
.wechat-modal .wx-code img { width: 100%; height: 100%; object-fit: contain; display: block; }
.wechat-modal .box .wx-id { font-size: 15px; font-weight: 600; color: var(--c-text); margin-bottom: 18px; }
.wechat-modal .box .close { margin-top: 4px; }

/* ---------- 滚动入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* 延迟工具 */
.d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; }
.d4 { transition-delay: .32s; } .d5 { transition-delay: .4s; } .d6 { transition-delay: .48s; }

/* ---------- 响应式微调 ---------- */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .container { padding: 0 18px; }
  .cta-band { padding: 44px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 56px 0 68px; }
}

/* ============================================================
   行业软著申请指南（industry.php / industry-detail.php）
   ============================================================ */

/* 搜索框 */
.industry-search {
  position: relative; z-index: 2;
  max-width: 640px; margin: 26px auto 0;
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--r-full);
  padding: 7px 8px 7px 22px;
  backdrop-filter: blur(8px);
}
.industry-search > i { color: rgba(255,255,255,.75); font-size: 15px; flex-shrink: 0; }
.industry-search input {
  flex: 1; border: none; outline: none; background: transparent;
  color: #fff; font-size: 15px; min-width: 0;
}
.industry-search input::placeholder { color: rgba(255,255,255,.6); }
.industry-search .btn { padding: 11px 28px; }

/* 分类导航 */
.cat-tabs {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-bottom: 18px;
}
.cat-tabs a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--r-full);
  background: var(--c-white); border: 1px solid var(--c-line);
  color: var(--c-text-2); font-size: 14.5px; font-weight: 500;
  transition: all .22s ease;
}
.cat-tabs a i { color: var(--c-sky-4); font-size: 13px; }
.cat-tabs a:hover { border-color: var(--c-sky-4); color: var(--c-primary-deep); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.cat-tabs a.active { background: var(--grad-main); color: #fff; border-color: transparent; box-shadow: var(--shadow-blue); }
.cat-tabs a.active i { color: var(--c-sky-2); }
.cat-count { text-align: center; color: var(--c-text-3); font-size: 14px; }
.cat-count b { color: var(--c-primary-deep); font-size: 17px; }

/* 行业卡片网格 */
.industry-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.ind-card {
  display: flex; flex-direction: column;
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 26px 22px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ind-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--c-sky-3); }
.ind-card .ind-ico {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 16px;
  background: var(--grad-soft); color: var(--c-primary-deep);
  display: flex; align-items: center; justify-content: center; font-size: 23px;
}
.ind-card .ind-cat {
  align-self: flex-start;
  padding: 3px 12px; border-radius: var(--r-full);
  background: var(--c-sky-1); color: var(--c-primary-deep);
  font-size: 12px; font-weight: 600; letter-spacing: .5px; margin-bottom: 10px;
}
.ind-card .ind-count {
  align-self: flex-start;
  padding: 3px 12px; border-radius: var(--r-full);
  background: var(--grad-main); color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: .5px; margin-bottom: 10px;
  box-shadow: var(--shadow-blue);
}
.ind-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.ind-card p {
  font-size: 13.5px; color: var(--c-text-3); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 16px; flex: 1;
}
.ind-card .ind-link {
  font-size: 13.5px; font-weight: 600; color: var(--c-primary-deep);
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap .2s ease;
}
.ind-card:hover .ind-link { gap: 10px; }
.ind-card .ind-link i { font-size: 12px; }
@media (max-width: 992px) { .industry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .industry-grid { grid-template-columns: 1fr; } }

/* 空结果 */
.empty-box {
  text-align: center; padding: 64px 24px;
  background: var(--c-white); border: 1px dashed var(--c-sky-3);
  border-radius: var(--r-lg); color: var(--c-text-3);
}
.empty-box i { font-size: 44px; color: var(--c-sky-3); margin-bottom: 14px; }
.empty-box p { margin-bottom: 20px; font-size: 15px; }

/* ---------- 详情页 ---------- */
.ind-detail-hero { text-align: left; padding: 54px 0 66px; }
.ind-detail-hero .container { max-width: 1080px; }
.id-head { position: relative; z-index: 2; display: flex; gap: 22px; align-items: flex-start; }
.id-head .id-ico {
  width: 74px; height: 74px; flex-shrink: 0; border-radius: 20px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3);
  color: var(--c-sky-2); display: flex; align-items: center; justify-content: center;
  font-size: 30px; backdrop-filter: blur(6px);
}
.id-head .id-cat {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: var(--r-full);
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.26);
  font-size: 13px; font-weight: 600; color: var(--c-sky-2); margin-bottom: 12px;
}
.id-head h1 { margin: 0 0 10px; font-size: clamp(24px, 3vw, 34px); font-weight: 800; letter-spacing: .5px; }
.id-head p { max-width: 760px; font-size: 15.5px; color: rgba(255,255,255,.88); }

/* 申请件数建议 */
.id-count {
  position: relative; z-index: 2;
  margin-top: 26px; display: flex; gap: 16px; align-items: flex-start;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.26);
  border-radius: var(--r-md); padding: 18px 22px;
  backdrop-filter: blur(8px); max-width: 760px;
}
.id-count .ic-ico {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 13px;
  background: rgba(255,255,255,.18); color: var(--c-sky-2);
  display: flex; align-items: center; justify-content: center; font-size: 19px;
}
.id-count .ic-label {
  display: block; font-size: 12px; letter-spacing: 1px;
  color: rgba(255,255,255,.72); margin-bottom: 2px;
}
.id-count b {
  display: block; font-size: 26px; font-weight: 800;
  color: var(--c-sky-2); line-height: 1.25;
}
.id-count p { font-size: 13.5px; color: rgba(255,255,255,.88); line-height: 1.75; margin-top: 4px; }

/* 申请原因 */
.reason-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.reason-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 24px 22px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.reason-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-sky-3); }
.reason-item .ri-no {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 13px;
  background: var(--grad-main); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800; box-shadow: var(--shadow-blue);
}
.reason-item p { font-size: 14.5px; color: var(--c-text-2); line-height: 1.8; padding-top: 4px; }
@media (max-width: 768px) { .reason-grid { grid-template-columns: 1fr; } }

/* 申请方法 */
.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 980px; margin: 0 auto; }
.method-item {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 20px 22px;
  transition: transform .22s ease, box-shadow .22s ease;
}
.method-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.method-item .mi-ico {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  background: #ecfdf5; color: #059669;
  display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.method-item div { font-size: 14.5px; color: var(--c-text-2); line-height: 1.75; padding-top: 2px; }
@media (max-width: 768px) { .method-grid { grid-template-columns: 1fr; } }

/* 所需资料 */
.material-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.mat-item {
  display: flex; gap: 14px; align-items: center;
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 16px 22px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.mat-item:hover { transform: translateX(6px); box-shadow: var(--shadow-sm); border-color: var(--c-sky-3); }
.mat-item .mat-ico {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 11px;
  background: var(--grad-soft); color: var(--c-primary-deep);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.mat-item > span:last-child { font-size: 14.5px; color: var(--c-text-2); }

/* 正规步骤（时间线） */
.step-timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 30px; }
.step-timeline::before {
  content: ""; position: absolute; left: 13px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(180deg, var(--c-sky-4), var(--c-sky-2));
  border-radius: 2px;
}
.stp-item { position: relative; margin-bottom: 20px; }
.stp-item .stp-no {
  position: absolute; left: -30px; top: 12px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--grad-main); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; box-shadow: var(--shadow-blue);
  z-index: 1;
}
.stp-item .stp-body {
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 18px 22px;
  font-size: 14.5px; color: var(--c-text-2); line-height: 1.8;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.stp-item .stp-body:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-color: var(--c-sky-3); }

/* 我们的服务 */
.service-panel {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--c-white); border: 1px solid var(--c-line);
  border-radius: var(--r-lg); padding: 34px 32px;
  box-shadow: var(--shadow-md); max-width: 980px; margin: 0 auto;
}
.service-panel .sp-ico {
  flex-shrink: 0; width: 62px; height: 62px; border-radius: 17px;
  background: var(--grad-main); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; box-shadow: var(--shadow-blue);
}
.service-panel p { font-size: 15px; color: var(--c-text-2); line-height: 1.95; padding-top: 4px; }
.service-tags {
  max-width: 980px; margin: 18px auto 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
}
.service-tags span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px; border-radius: var(--r-full);
  background: var(--c-sky-1); color: var(--c-primary-deep);
  font-size: 13.5px; font-weight: 600;
}
.service-tags span i { font-size: 12px; }
@media (max-width: 640px) { .service-panel { flex-direction: column; } }