/* ============================================
   数水软件 · 全站重写样式
   100%宽度 · 完全自适应 · 保留现有配色
   ============================================ */

/* 基础重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: #333; line-height: 1.7; background: #fff; overflow-x: hidden; width: 100%; padding-bottom: 60px; }
img { max-width: 100%; height: auto; display: block; border: 0; }
a { text-decoration: none; color: inherit; transition: all .3s; }
ul, ol { list-style: none; }

/* 配色变量 */
:root {
  --primary: #006699;
  --primary-dark: #061034;
  --cyan: #00CCCC;
  --yellow: #FFCC00;
  --red: #CC0000;
  --blue: #1373c0;
  --dark: #222;
  --gray: #666;
  --light: #f5f7fa;
  --lighter: #f0f4f8;
}

/* 全站容器：100%宽度，内边距自适应 */
.wrap { width: 100%; }
.container { width: 90%; max-width: none; margin: 0 auto; padding: 0; }

/* 取消独立的返回顶部圆形按钮（浮动栏已含返回顶部） */
.to-top { display: none !important; }

/* 通用区块 */
section { width: 100%; }
.section-pad { padding: clamp(40px, 7vw, 90px) 0; }
#gch { padding-top: clamp(20px, 3.5vw, 45px); }
.pad-half { padding-top: clamp(20px, 3.5vw, 45px); padding-bottom: clamp(20px, 3.5vw, 45px); }
#services, #xcx, #app, #wz, #ai, #gch { scroll-margin-top: 90px; }
.section-title { text-align: center; margin-bottom: clamp(24px, 4vw, 50px); }
.section-title h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); color: var(--primary); font-weight: 700;
  position: relative; display: inline-block; padding: 0 30px; }
.services .section-title h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); font-weight: 800;
  background: linear-gradient(90deg, #5fd4ff, #00CCCC, #a78bfa, #f472b6, #ff9a3c, #5fd4ff); background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
  animation: flowGrad 6s linear infinite; }
.section-title h2::before, .section-title h2::after { content: ""; position: absolute; top: 50%;
  width: clamp(30px, 6vw, 80px); height: 2px; background: linear-gradient(90deg, var(--cyan), transparent); }
.section-title h2::before { right: 100%; background: linear-gradient(90deg, transparent, var(--cyan)); }
.section-title h2::after { left: 100%; }
.section-title .sub { display: block; font-size: clamp(.85rem, 1.6vw, 1.05rem); color: #999;
  letter-spacing: 3px; margin-top: 8px; text-transform: uppercase; }

/* ===== 顶部导航（100%宽度） ===== */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
  background: rgba(6, 16, 52, .92); backdrop-filter: blur(8px);
  transition: all .35s; border-bottom: 1px solid rgba(0, 204, 204, .25); }
.site-header .container { display: flex; align-items: center; justify-content: space-between;
  height: clamp(50px, 6vw, 66px); }
.site-header .logo { display: flex; align-items: center; height: 100%; }
.site-header .logo img { height: clamp(34px, 5vw, 48px); width: auto; }
.site-header .logo span { display: inline-block; color: #fff; font-size: clamp(1.3rem, 2.3vw, 1.75rem); font-weight: 700;
  margin-left: 10px; letter-spacing: 2px; white-space: nowrap; }
.header-tel { position: relative; font-size: clamp(.95rem, 1.6vw, 1.2rem); font-weight: 700; white-space: nowrap;
  padding-left: 30px; letter-spacing: 1px;
  background: linear-gradient(90deg, #5fd4ff, #00CCCC, #a78bfa, #f472b6, #ff9a3c, #5fd4ff);
  background-size: 300% 100%; -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; animation: flowGrad 6s linear infinite; }
.header-tel::before { content: ""; position: absolute; left: 0; top: 50%; width: 22px; height: 22px; margin-top: -11px;
  background: url(../img/tel21.png) center no-repeat; background-size: contain; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 3px; background: #fff; border-radius: 2px; transition: .3s; }

/* 桌面导航 */
.main-nav { display: flex; align-items: center; margin: 0 auto; }
.main-nav > li { position: relative; }
.main-nav > li > a { display: block; padding: 0 clamp(10px, 1.2vw, 18px); color: #fff;
  font-size: clamp(.85rem, 1.3vw, 1rem); line-height: clamp(56px, 7vw, 76px); white-space: nowrap;
  position: relative; }
.main-nav > li > a::after { content: ""; position: absolute; left: 50%; bottom: 18px; width: 0; height: 2px;
  background: linear-gradient(90deg, #5fd4ff, #00CCCC); transition: all .4s; transform: translateX(-50%); }
.main-nav > li:hover > a { color: #5fd4ff; }
.main-nav > li:hover > a::after { width: 70%; }
.main-nav > li > a .arrow { font-size: .65em; opacity: .8; margin-left: 3px; }
/* 下拉 */
.main-nav .sub { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 150px; background: #fff; border-radius: 6px; box-shadow: 0 8px 24px rgba(0,0,0,.18);
  padding: 8px 0; z-index: 100; }
.main-nav > li:hover .sub { display: block; }
.main-nav .sub li a { display: block; padding: 10px 22px; font-size: .9rem; color: #444;
  text-align: center; white-space: nowrap; }
.main-nav .sub li a:hover { color: #fff; background: var(--primary); }

/* 移动端导航 */
.mobile-nav { display: none; }
@media screen and (max-width: 1100px) {
  .main-nav, .header-tel { display: none; }
  .nav-toggle { display: flex; }
  .lang-btn { margin-left: auto !important; margin-right: 12px !important; }
  .mobile-nav { display: block; position: fixed; top: 0; right: -150px; left: auto; width: 150px; max-width: 150px;
    height: 100vh; background: var(--primary-dark); z-index: 1000; overflow-y: auto;
    transition: right .35s; padding-top: 70px; }
  .mobile-nav.open { right: 0; }
  .mobile-nav .m-close { position: absolute; top: 18px; right: 18px; color: #fff; font-size: 1.6rem; cursor: pointer; }
  .mobile-nav li a { display: block; padding: 11px 18px; color: #ddd; font-size: .85rem;
    border-bottom: 1px solid rgba(255,255,255,.08); }
  .mobile-nav li a:hover { color: #5fd4ff; background: rgba(255,255,255,.05); }
  .mobile-nav .m-sub { display: none; background: rgba(0,0,0,.25); }
  .mobile-nav .m-sub.open { display: block; }
  .mobile-nav .m-sub li a { padding-left: 32px; font-size: .78rem; color: #aaa; }
  .mobile-nav .has-sub > a::after { content: "▾"; float: right; transition: .3s; }
  .mobile-nav .has-sub.open > a::after { transform: rotate(180deg); }
  .mobile-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 999; }
  .mobile-mask.show { display: block; }
}

/* 占位防止固定头部遮挡 */
.header-placeholder { height: clamp(50px, 6vw, 66px); }

/* ===== Banner ===== */
.banner { width: 100%; position: relative; overflow: hidden; }
.banner img { width: 100%; height: auto; display: block; }
@media (max-width: 768px) {
  .banner { height: 200px; }
  .banner img { height: 100%; object-fit: cover; object-position: center; }
}
.about-banner { position: relative; width: 100%; padding: clamp(48px, 7vw, 90px) 0; color: #fff;
  background: linear-gradient(rgba(6,16,52,.78), rgba(6,16,52,.78)), url(../img/about.jpg) center/cover no-repeat; }
.about-banner .container h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; margin-bottom: 18px; }
.about-banner .container p { font-size: clamp(.95rem, 1.5vw, 1.12rem); line-height: 2; color: #e8eef8; max-width: 900px; margin: 0 auto 10px; }

/* ===== 首页动画 Banner（图片背景 + 标语） ===== */
.hero { position: relative; width: 100%; height: clamp(480px, 56vw, 660px); overflow: hidden; }
.hero .slide { position: absolute; inset: 0; display: flex; align-items: center; opacity: 0;
  background-size: cover; background-position: center; transition: opacity .8s ease; z-index: 1; }
.hero .slide.active { opacity: 1; z-index: 2; }
.hero .slide:nth-child(1) { background-image: url('b_img11.jpg'); }
.hero .slide:nth-child(2) { background-image: url('atge.jpg'); }
.hero .slide:nth-child(3) { background-image: url('b_img31.jpg'); }
.hero .slide::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,16,52,.85) 0%, rgba(6,16,52,.42) 55%, rgba(6,16,52,.12) 100%); }
.hero .cap { position: relative; z-index: 3; width: 100%; max-width: min(1500px, 94vw); margin: 0 auto; padding: 0 16px; color: #fff; }
.hero .cap h2 { white-space: normal; }
.hero .cap h2 { font-size: clamp(1.7rem, 3.6vw, 2.8rem); font-weight: 800; line-height: 1.3; letter-spacing: 1px;
  background: linear-gradient(90deg, #5fd4ff, #00CCCC, #a78bfa, #f472b6, #ff9a3c, #5fd4ff); background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 4px 18px rgba(0,0,0,.45));
  animation: flowGrad 6s linear infinite; }
.hero .cap h2 b { -webkit-text-fill-color: #5fd4ff; color: #5fd4ff; }
@keyframes heroHue { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
.hero .cap .sub { display: block; margin-top: 14px; font-size: clamp(.95rem, 1.4vw, 1.2rem);
  color: #dce9fb; line-height: 1.8; }
.hero .cap .en { display: block; margin-top: 10px; font-size: clamp(.72rem, 1.05vw, .95rem);
  color: rgba(255,255,255,.6); letter-spacing: 3px; font-weight: 300; }
.hero .cap .sub span { margin-right: 16px; white-space: nowrap; }
.hero .slide:nth-child(2) .cap h2, .hero .slide:nth-child(2) .cap .sub, .hero .slide:nth-child(2) .cap .en { animation-delay: 8s; }
.hero .slide:nth-child(3) .cap h2, .hero .slide:nth-child(3) .cap .sub, .hero .slide:nth-child(3) .cap .en { animation-delay: 16s; }
.hero-dots { position: absolute; left: 0; right: 0; bottom: 22px; z-index: 6; display: flex; gap: 10px; justify-content: center; }
.hero-dots span { width: 10px; height: 10px; border-radius: 999px; background: rgba(255,255,255,.55);
  opacity: .55; transition: all .4s ease; cursor: pointer; }
.hero-dots span.active { width: 32px; background: #00CCCC; opacity: 1; }
@media (min-width: 768px) {
  .hero .slide:nth-child(1) .cap { max-width: min(1500px, 94vw); margin: 0 auto; }
}
@keyframes heroText { 0%, 4% { opacity: 0; transform: translateX(-46px); } 9%, 30% { opacity: 1; transform: translateX(0); } 36%, 100% { opacity: 0; transform: translateX(-46px); } }
@keyframes heroTextSub { 0%, 7% { opacity: 0; transform: translateX(-46px); } 12%, 30% { opacity: 1; transform: translateX(0); } 36%, 100% { opacity: 0; transform: translateX(-46px); } }
@media (max-width: 600px) {
  .hero { height: clamp(440px, 78vw, 540px); }
  .hero .cap .en { display: none; }
}

/* ===== 通用卡片网格 ===== */
.grid { display: grid; gap: clamp(16px, 2.5vw, 32px); }
.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: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  #app .center-text { display: none; }
  .app-cards { grid-template-columns: repeat(2, 1fr); }
  .app-cards .card { padding: 16px 10px; }
  .app-cards .card .icon { width: 48px; height: 48px; margin-bottom: 10px; }
  .app-cards .card h3 { font-size: .9rem; margin-bottom: 6px; }
  .app-cards .card p { font-size: .76rem; line-height: 1.5; } }

.card { background: #fff; border-radius: 12px; padding: clamp(20px, 3vw, 34px);
  box-shadow: 0 4px 18px rgba(0, 102, 153, .08); transition: all .35s; border: 1px solid #eef2f6; }
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0, 102, 153, .16); }
.card .icon { width: clamp(48px, 7vw, 64px); height: clamp(48px, 7vw, 64px); margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--cyan)); color: #fff; font-size: 1.6rem; }
.card h3 { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--primary-dark); margin-bottom: 10px; text-align: center; }
.card p { color: var(--gray); font-size: .95rem; text-align: center; }

/* 公房管理 6 子版块：手机端每行两个，左图标右文字 */
@media (max-width: 600px) {
  .gf-cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gf-cards .card { display: flex; flex-direction: row; align-items: center; text-align: left;
    gap: 8px; padding: 10px; }
  .gf-cards .card .card-txt { flex: 1 1 auto; min-width: 0; }
  .gf-cards .card .icon { width: 36px; height: 36px; margin: 0; font-size: 1.05rem; flex: 0 0 auto; }
  .gf-cards .card h3 { text-align: left; margin: 0 0 2px; font-size: .82rem; }
  .gf-cards .card p { text-align: left; margin: 0; font-size: .7rem; line-height: 1.4; }
}

/* 服务项目 — 蓝青流动渐变主题 */
.services { background: linear-gradient(180deg, #ffffff 0%, #f1f7fd 100%); color: #1a2a44; position: relative; padding-top: clamp(20px, 3.5vw, 45px); padding-bottom: clamp(20px, 3.5vw, 45px); }
.services .section-title h2 {
  background: linear-gradient(90deg, #0a3a7a 0%, #1aa6c8 35%, #2f7fd6 70%, #0a3a7a 100%);
  background-size: 200% 100%; -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; animation: flowGrad 7s linear infinite; }
.services .card { background: #fff; border: 1px solid #e3ecf6; border-radius: 16px;
  padding: clamp(22px, 2.6vw, 32px); position: relative; overflow: hidden; text-align: left;
  display: flex; flex-wrap: wrap; align-items: flex-start; column-gap: 14px;
  box-shadow: 0 6px 20px rgba(20, 50, 100, .06); transition: transform .4s, box-shadow .4s, background .4s; }
.services .card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 5px;
  background: linear-gradient(90deg, #eafcff, #7fe3ff, #5fd4ff, #2f8fe0, #5fd4ff, #7fe3ff, #eafcff);
  background-size: 200% 100%; animation: flowGrad 5s linear infinite; }
.services .card::after { content: attr(data-no); position: absolute; bottom: -8px; right: 10px; font-size: 4.4rem; font-weight: 800;
  background: linear-gradient(90deg, #7fe3ff, #5fd4ff, #6ea8ff); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; opacity: .3; line-height: 1; font-family: Arial, Helvetica, sans-serif; transition: opacity .4s; }
.services .card .icon { flex: 0 0 auto; width: clamp(50px, 6vw, 60px); height: clamp(50px, 6vw, 60px); border-radius: 14px; margin: 0;
  background: linear-gradient(135deg, #7fe3ff, #5fd4ff 50%, #6ea8ff); color: #fff;
  display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 22px rgba(47, 143, 224, .32);
  transition: transform .4s; animation: iconFloat 4s ease-in-out infinite; }
.services .card .icon svg { width: 28px; height: 28px; }
.services .card h3 { flex: 1 1 auto; align-self: center; color: #14233f; text-align: left;
  font-size: clamp(1.12rem, 2vw, 1.4rem); font-weight: 700; margin: 0; transform-origin: left center; transition: transform .35s; }
.services .card:hover h3 { transform: scale(1.14); }
.services .card p { flex-basis: 100%; color: #6b7a90; text-align: left; line-height: 1.75; margin-top: 14px; }
.services .card .go { flex-basis: 100%; display: inline-block; margin-top: 12px; color: #1373c0; font-size: .92rem; font-weight: 600; }
.services .card .go::after { content: " →"; display: inline-block; transition: transform .3s; }
.services .card:hover { transform: translateY(-8px); box-shadow: 0 20px 44px rgba(20, 80, 150, .18);
  background: linear-gradient(180deg, #f2f9ff 0%, #e8f3ff 100%); border-color: #bfe0f7; }
.services .card:hover::before { transform: scaleX(1); }
.services .card:hover::after { opacity: .6; }
.services .card:hover .icon { animation: iconBounce .7s ease infinite; }
.services .card:hover .go::after { transform: translateX(5px); }
/* 错峰入场 */
.services .grid.visible .card { animation: cardIn .7s ease both; }
.services .grid.visible .card:nth-child(1) { animation-delay: .05s; }
.services .grid.visible .card:nth-child(2) { animation-delay: .14s; }
.services .grid.visible .card:nth-child(3) { animation-delay: .23s; }
.services .grid.visible .card:nth-child(4) { animation-delay: .32s; }
.services .grid.visible .card:nth-child(5) { animation-delay: .41s; }
.services .grid.visible .card:nth-child(6) { animation-delay: .5s; }
@keyframes cardIn { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes iconFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes iconBounce { 0%, 100% { transform: scale(1.08) rotate(-6deg); } 40% { transform: scale(1.2) rotate(7deg); } 70% { transform: scale(1.04) rotate(-3deg); } }
@keyframes flowGrad { to { background-position: 200% 0; } }
@media (max-width: 600px) { .services .card .go { display: none; } }

/* APP 板块卡片图标放大（与小程序图标同尺寸） */
.app-cards .icon, .ai-cards .icon { width: clamp(66px, 11vw, 130px); height: clamp(66px, 11vw, 130px); }
.app-cards .icon svg, .ai-cards .icon svg { width: 58% !important; height: 58% !important; }
.app-cards .card:nth-child(1) .icon { background: linear-gradient(135deg, #1373c0, #00b4d8); }
.app-cards .card:nth-child(2) .icon { background: linear-gradient(135deg, #7c5cff, #a78bfa); }
.app-cards .card:nth-child(3) .icon { background: linear-gradient(135deg, #00a896, #2dd4bf); }
.app-cards .card:nth-child(4) .icon { background: linear-gradient(135deg, #f59e0b, #fb7185); }

/* AI 应用开发 + 适用场景 左右两列紧凑布局 */
.ai-cols { display: flex; gap: 26px; align-items: stretch; }
.ai-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ai-intro { color: #555; font-size: .95rem; line-height: 1.75; margin-bottom: 16px; text-align: center; }
.ai-subtitle { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 4px 0 14px; padding-left: 12px; border-left: 3px solid var(--cyan); }
.ai-subtitle em { font-style: normal; font-size: .72rem; color: #aaa; font-weight: 400; margin-left: 6px; letter-spacing: 1px; }
.ai-merge .ai-cards { margin-top: 0; }
.ai-merge .grid { gap: 14px; }
/* AI 子版块卡片：左图标右文字，图标更大 */
.ai-cards .card { display: flex; flex-direction: row; align-items: center; text-align: left;
  gap: clamp(12px, 2vw, 22px); }
.ai-cards .card .icon { width: clamp(64px, 8vw, 104px); height: clamp(64px, 8vw, 104px);
  flex: 0 0 auto; margin: 0; }
.ai-cards .card .card-txt { flex: 1 1 auto; min-width: 0; }
.ai-cards .card h3 { text-align: left; margin: 0 0 6px; }
.ai-cards .card p { text-align: left; margin: 0; }
@media (max-width: 600px) {
  .ai-cards .card { flex-direction: row; align-items: center; gap: 10px; }
  .ai-cards .card .icon { width: 46px; height: 46px; }
  .ai-cards .card h3 { font-size: .92rem; margin-bottom: 3px; }
  .ai-cards .card p { font-size: .78rem; line-height: 1.5; }
}
@media (max-width: 600px) {
  .ai-merge { background: #f3f8fc; }
  .ai-intro { display: none; }
}
.ai-btn { text-align: center; margin-top: 18px; }
.ai-scene-line { margin-top: 22px; padding: 14px 20px; border-top: 1px dashed #cfe0ef; color: #445066; font-size: clamp(.9rem, 1.4vw, 1.05rem); text-align: center; letter-spacing: 1px; }
.ai-scene-icons { display: none; }
.ai-scene-icons .si { flex: 1 1 0; min-width: 110px; display: flex; flex-direction: column; align-items: center; gap: 9px; }
.ai-scene-icons .ic { width: clamp(40px, 4vw, 50px); height: clamp(40px, 4vw, 50px); border-radius: 12px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #006699, #00CCCC); color: #fff; transition: transform .3s ease; }
.ai-scene-icons .si:nth-child(1) .ic { background: linear-gradient(135deg, #006699, #00a0cc); }
.ai-scene-icons .si:nth-child(2) .ic { background: linear-gradient(135deg, #5b4bcc, #8a6dff); }
.ai-scene-icons .si:nth-child(3) .ic { background: linear-gradient(135deg, #e85d04, #ff9a3c); }
.ai-scene-icons .si:nth-child(4) .ic { background: linear-gradient(135deg, #06a77d, #2bd1a0); }
.ai-scene-icons .si:nth-child(5) .ic { background: linear-gradient(135deg, #c0392b, #e07a3f); }
.ai-scene-icons .si:nth-child(6) .ic { background: linear-gradient(135deg, #1d6fe0, #54a0ff); }
.ai-scene-icons .ic svg { width: 56%; height: 56%; }
.ai-scene-icons .si:hover .ic { transform: translateY(-5px) scale(1.1); }
.ai-scene-icons span { font-size: .92rem; color: #333; }
@media (max-width: 900px) { .ai-cols { flex-direction: column; } }

/* 服务项目 - 手风琴竖条 */
.acc { display: flex; height: clamp(340px, 42vw, 440px); gap: 10px; border-radius: 16px; overflow: hidden; }
.acc-item { position: relative; flex: 1; min-width: 72px; border-radius: 14px; cursor: pointer; color: #fff; text-decoration: none;
  background: linear-gradient(160deg, var(--c1), var(--c2)); display: flex; align-items: flex-start; justify-content: center;
  padding-top: clamp(118px, 15.5vw, 168px); overflow: hidden; transition: flex .55s cubic-bezier(.4, 0, .2, 1); }
.acc-item:hover { flex: 4; }
.acc-icon { position: absolute; top: 24px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; justify-content: center; }
.acc-icon svg { width: clamp(44px, 5.5vw, 60px); height: clamp(44px, 5.5vw, 60px);
  animation: iconFloat 2.6s ease-in-out infinite; }
.acc-item:nth-child(2) .acc-icon svg { animation-delay: .35s; }
.acc-item:nth-child(3) .acc-icon svg { animation-delay: .7s; }
.acc-item:nth-child(4) .acc-icon svg { animation-delay: 1.05s; }
@keyframes iconFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.acc-vt { writing-mode: vertical-rl; text-orientation: upright; font-size: clamp(1.15rem, 1.6vw, 1.55rem); font-weight: 700; letter-spacing: 3px;
  white-space: nowrap; transition: opacity .3s; }
@media (min-width: 821px) {
  .acc .acc-item { flex: 1 1 0; transition: flex .55s cubic-bezier(.4,0,.2,1), transform .35s ease, box-shadow .35s ease, filter .35s ease; }
  .acc .acc-item:hover { flex: 1 1 0; transform: translateY(-18px); box-shadow: 0 30px 60px rgba(0,204,204,.45); filter: brightness(1.12); z-index: 2; }
  .acc .acc-item .acc-icon { transition: transform .55s cubic-bezier(.34,1.56,.64,1), filter .4s ease; }
  .acc .acc-item:hover .acc-icon { transform: translateX(-50%) scale(1.42) rotate(-12deg);
    filter: drop-shadow(0 0 14px rgba(255,255,255,.9)) drop-shadow(0 12px 24px rgba(0,0,0,.35)); }
  .acc .acc-item .acc-body h3 { transition: transform .35s ease, color .35s ease; }
  .acc .acc-item:hover .acc-body h3 { transform: translateX(4px); }
  .acc .acc-item .acc-vt, .acc .acc-item .acc-en-vt { opacity: 0; }
  .acc .acc-item .acc-body { opacity: 1; transform: translateY(0); }
}
.config-list li { transition: transform .35s ease, box-shadow .35s ease; }
.config-list li img { transition: transform .5s cubic-bezier(.34,1.56,.64,1); display: inline-block; }
.config-list li .cl-title { transition: color .3s ease, transform .3s ease; }
.config-list li:hover { transform: translateY(-10px); box-shadow: 0 18px 38px rgba(0,102,153,.2); }
.config-list li:hover img { transform: translateY(-10px) scale(1.32) rotate(-10deg); }
.config-list li:hover .cl-title { color: var(--primary); transform: translateY(-3px); }
.app-cards .card .icon, .ai-cards .card .icon { transition: transform .5s cubic-bezier(.34,1.56,.64,1); }
.app-cards .card:hover .icon, .ai-cards .card:hover .icon { transform: scale(1.35) rotate(-10deg); }
#app {
  background:
    radial-gradient(circle at 12% 18%, rgba(0,204,204,.14), transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(19,115,192,.16), transparent 46%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Ccircle cx='2' cy='2' r='1.2' fill='%23006699' fill-opacity='0.05'/%3E%3C/svg%3E"),
    linear-gradient(135deg, #e0f2fe 0%, #bae6fd 50%, #99f6e4 100%);
}
.acc-body { position: absolute; left: 32px; right: 32px; bottom: 30px; opacity: 0; transform: translateY(18px);
  transition: opacity .4s .15s, transform .4s .15s; }
.acc-body h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 700; margin-bottom: 4px; }
.acc-en { display: block; font-size: clamp(.8rem, 1.1vw, 1rem); letter-spacing: 2px; opacity: .85; font-weight: 400; margin-bottom: 14px; text-transform: uppercase; }
.acc-body p { font-size: clamp(.95rem, 1.15vw, 1.1rem); line-height: 1.75; opacity: .95; max-width: 460px; }
.acc-body .go { display: inline-block; margin-top: 16px; border: 1.5px solid rgba(255, 255, 255, .85);
  padding: 7px 22px; border-radius: 22px; font-size: .9rem; }
.acc-en-vt { writing-mode: vertical-rl; text-orientation: mixed; font-size: clamp(.62rem, .85vw, .82rem); letter-spacing: 2px; opacity: .8; margin-left: 8px; white-space: nowrap; transition: opacity .3s; }
.acc-item:hover .acc-vt, .acc-item:hover .acc-en-vt { opacity: 0; }
.acc-item:hover .acc-body { opacity: 1; transform: translateY(0); }
@media (max-width: 820px) { .acc { flex-direction: column; height: auto; gap: 8px; }
  .acc-item { min-height: 74px; } .acc-item:hover { flex: 2.2; } }
@media (max-width: 600px) {
  .acc { flex-direction: row; flex-wrap: wrap; height: auto; justify-content: center; gap: 8px; }
  .acc-item { flex: 0 0 auto; min-width: 0; min-height: 0; border-radius: 999px;
    padding: 10px 17px !important; align-items: center; }
  .acc-item:hover { flex: 0 0 auto; }
  .acc-icon, .acc-en-vt, .acc-body { display: none; }
  .acc-vt { writing-mode: horizontal-tb; text-orientation: initial; font-size: .92rem;
    letter-spacing: .5px; opacity: 1 !important; }
}
/* Cases 按钮：手机端并入胶囊行第二行，电脑端仍在下方居中 */
.acc .btn.acc-cases { display: none; }
@media (max-width: 600px) {
  .acc .btn.acc-cases { display: inline-block; align-self: center; padding: 10px 24px; font-size: .92rem; }
  .acc-btn-out { display: none !important; }
}

/* 全能版功能应用（照抄参考页样式） */
.wide1190 { margin: 0 auto; min-width: 990px; max-width: 1190px; }
.cl:after { content: ""; display: block; clear: both; }
.miniprogram-config { padding-top: 60px; padding-bottom: 30px; background: linear-gradient(#fff, #f1f3fb); }
.miniprogram-config .wide1190 { width: 90%; max-width: none; min-width: 0; }
.miniprogram-title { padding-top: 40px; text-align: center; font-size: clamp(1.45rem, 2.8vw, 2rem); color: #333; }
.miniprogram-title strong { font-weight: 400; }
.miniprogram-line { margin: 10px auto 0; width: 70px; height: 3px; background: #333; }
.miniprogram-config .config-list { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 25px; }
.miniprogram-config .config-list li { flex: 1 1 calc(25% - 19px); padding: 20px 0; background: #fff;
  border-radius: 4px; margin-bottom: 25px; text-align: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .1); }
.miniprogram-config .config-list li img { display: block; width: clamp(60px, 6vw, 130px); height: clamp(60px, 6vw, 130px); margin: 0 auto; }
.miniprogram-config .config-list li .cl-title { font-size: clamp(1.05rem, 2vw, 1.3rem); color: #333; padding-top: 10px; }
.miniprogram-config .config-list li .cl-txt { font-size: .95rem; padding-top: 10px; }
@media (max-width: 600px) {
  .miniprogram-config .wide1190 { width: 99%; }
  .miniprogram-config .config-list { margin-top: 24px; gap: 5px; }
  .miniprogram-config .config-list li { padding: 12px 0; margin-bottom: 0; }
  .miniprogram-config .config-list li .cl-txt { display: none; }
  .miniprogram-config .config-list li .cl-title { font-size: .78rem; padding-top: 8px; }
}

/* 左右图文区块 */
.feature { display: flex; align-items: center; gap: clamp(24px, 5vw, 60px); flex-wrap: wrap; }
.bg-dark .feature { padding: 0 clamp(12px, 3vw, 40px); }
.bg-dark .feature > .pic { margin-right: clamp(20px, 5vw, 80px); }
.feature.reverse { flex-direction: row-reverse; }
.feature > .pic, .feature > .txt { flex: 1 1 340px; }
.feature .pic img { width: 100%; border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.12); }
.feature .txt h3 { font-size: clamp(1.3rem, 2.8vw, 2rem); color: var(--primary); margin-bottom: 16px; }
.feature .txt p { color: #555; font-size: clamp(.95rem, 1.5vw, 1.05rem); margin-bottom: 14px; }
.feature .txt ul { margin-top: 12px; }
.feature .txt ul li { padding: 6px 0 6px 26px; position: relative; color: #555; }
.feature .txt ul li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: bold; }

/* 按钮 */
.btn { display: inline-block; padding: 12px 34px; border-radius: 30px; font-size: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--cyan)); color: #fff !important;
  border: none; cursor: pointer; transition: all .3s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 102, 153, .35); }
.btn.outline { background: transparent; color: var(--primary) !important; border: 2px solid var(--primary); }
.btn.outline:hover { background: var(--primary); color: #fff !important; }

/* 首页 我们的优势（fpintai）：90%宽度、文字自动换行、默认淡半透明底 */
.fpintai { padding-top: clamp(37px, 6vw, 73px) !important; padding-bottom: clamp(37px, 6vw, 73px) !important; }
.fpintai .cer8 { width: 90%; max-width: none; padding: 0; margin: 0 auto; }
.fpintai .fcate1 { margin-bottom: 20px; }
.fpintai .intro { width: 90%; max-width: none; margin: 14px auto 18px; text-align: justify; }
.fpintailist { display: flex; flex-wrap: wrap; align-items: stretch; text-align: center; }
.fpintailist li { display: flex; margin-bottom: 14px; }
.fpintailist li .lin { width: 100%; }
.fpintailist li a { height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.fpintailist li a { background-color: rgba(255, 255, 255, .14); transition: background .3s;
  padding: clamp(44px, 6vw, 60px) clamp(16px, 3vw, 34px); }
.fpintailist li:hover a, .fpintailist li.on a { background-color: rgba(56, 186, 177, .9); }
.fpintailist h3 { height: auto; overflow: visible; }
.fpintailist .ft-desc { font-size: .95rem; color: #cfe6f7; line-height: 1.7; margin-top: 6px; }
@media (max-width: 600px) {
  .fpintailist { gap: 12px; margin-top: 10px; }
  .fpintailist li { width: calc(50% - 6px) !important; }
  .fpintailist li a { padding: clamp(12px, 2vw, 20px) clamp(10px, 2vw, 18px) !important; }
  .fcate1 .cn { font-size: 21px !important; }
  .fpintailist h3 { font-size: 15px !important; }
  .fpintailist .ft-desc { font-size: .78rem; line-height: 1.5; }
  .fpintai .intro { display: none; }
}

/* ===== 优势区（首页，保留原内容样式适配） ===== */
.adv-list { display: flex; flex-wrap: wrap; gap: clamp(16px, 3vw, 30px); justify-content: center; }
.adv-list .adv { flex: 1 1 200px; max-width: none; text-align: center; padding: 30px 20px;
  background: #fff; border-radius: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.06); transition: .3s; }
.adv-list .adv:nth-child(1) { background: #eef6ff; }
.adv-list .adv:nth-child(2) { background: #eafaf6; }
.adv-list .adv:nth-child(3) { background: #fef5ea; }
.adv-list .adv:nth-child(4) { background: #f3eefe; }
.adv-list .adv:hover { transform: translateY(-5px); background: linear-gradient(135deg, #5fd4ff, #00CCCC);
  box-shadow: 0 10px 26px rgba(0, 204, 204, .35); }
.adv-list .adv:hover h4 { color: #fff; text-shadow: none; }
.adv-list .adv:hover h5 { color: #fff; }
.adv-list .adv img { width: clamp(50px, 8vw, 70px); margin: 0 auto 16px; }
.adv-list .adv h4 { font-size: 1.25rem; color: var(--primary); font-weight: bold; margin-bottom: 8px;
  text-shadow: 0 1px 2px rgba(0,0,0,.08); }
.adv-list .adv h5 { color: #444; font-size: .95rem; font-weight: normal; }

/* 数据统计 */
.stats { display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(24px, 6vw, 80px); }
.stats .stat { text-align: center; }
.stats .stat .num { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; color: var(--cyan); }
.stats .stat .lbl { color: #fff; font-size: .95rem; margin-top: 6px; }

/* 深色区块 */
.bg-dark { background: var(--primary-dark); color: #fff; }
.bg-dark .section-title h2 { color: #fff; }
.bg-light { background: var(--light); }
.bg-lighter { background: var(--lighter); }

/* 中心图文 */
.center-text { max-width: 900px; margin: 0 auto; text-align: center; }
.center-text p { color: #555; font-size: clamp(.95rem, 1.5vw, 1.08rem); margin-bottom: 14px; }
.center-text img { margin: 30px auto 0; border-radius: 10px; }

/* 页脚 */
.site-footer { width: 100%; background: #1a1a1a; color: #bbb; padding: clamp(30px, 5vw, 50px) 0 20px; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  font-size: .85rem; align-items: center; }
.site-footer a { color: var(--cyan); }
.site-footer .copy { line-height: 2; }
@media (max-width: 600px) { .site-footer .container { flex-direction: column; text-align: center; } }

/* 右侧浮动联系方式（沿用原站点 fside 组件） */
.fside { position: fixed; z-index: 50; right: 1px; top: 50%; margin-top: -160px; width: 100px;
  box-shadow: 0 3px 12px 0 rgba(0, 0, 0, .1); transition: right .35s ease; }
.fside i { position: fixed; right: 101px; top: 50%; margin-top: -34px; z-index: 60;
  width: 14px; height: 68px; background: #38b9b0 url(sandao.png) center no-repeat; cursor: pointer;
  border-radius: 9px 0 0 9px; transition: right .35s ease, transform .35s ease; }
.fside.collapsed { right: -102px; }
.fside.collapsed i { right: 0; transform: rotate(180deg); }
.fside label { display: flex; align-items: center; justify-content: center; width: 100%; height: 55px; border-radius: 6px 6px 0 0;
  background: #3399cc; color: #fff; font-size: 12px; font-weight: 500; letter-spacing: 1px; }
.fside label::before { content: "CONTACT"; }
.fside a { display: block; width: 100%; position: relative; border-bottom: 1px solid #e4e4e4;
  text-align: center; background-color: #fff; padding: 17px 0 10px; }
.fside a .pic { width: 30px; height: 30px; font-size: 0; background-position: center; background-repeat: no-repeat;
  border-radius: 50%; border: 1px solid #38bab1; background-color: #38bab1; margin: 0 auto; transition: .3s; }
.fside a > p { margin-top: 7px; font-size: 11px; line-height: 16px; color: #576c87; height: 16px; white-space: nowrap; }
.fside a:hover > .pic { background-color: #fff; }
.fside a:hover > p { color: #38bab1; }
.fside a .pic.sd1 { background-image: url(ssd1.png); }
.fside a .pic.sd2 { background-image: url(ssd2.png); }
.fside a .pic.sd3 { background-image: url(ssd3.png); }
.fside a:hover .pic.sd1 { background-image: url(ssd1h.png); }
.fside a:hover .pic.sd2 { background-image: url(ssd2h.png); }
.fside a:hover .pic.sd3 { background-image: url(ssd3h.png); }
@media (max-width: 1100px) { .fside { display: none; } }

/* 微信二维码气泡（紧贴右侧浮动框） */
.wx-modal { position: fixed; z-index: 1000; display: none; width: 210px; background: #fff;
  border-radius: 12px; padding: 14px; text-align: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }
.wx-modal.show { display: block; }
.wx-modal img { display: block; width: 178px; height: 178px; margin: 0 auto; }
.wx-modal p { margin: 8px 0 10px; color: #556; font-size: .82rem; }
.wx-modal .wx-open { display: block; width: 100%; box-sizing: border-box; padding: 7px 16px; background: #1373c0; color: #fff;
  border-radius: 20px; text-decoration: none; font-size: .82rem; }
.wx-modal .wx-open:hover { background: #0f5fa0; }
.wx-modal .wx-copy { display: block; width: 100%; box-sizing: border-box; margin-top: 8px; padding: 7px 16px; background: #00CCCC; color: #fff;
  border: none; border-radius: 20px; font-size: .82rem; cursor: pointer; }
.wx-modal .wx-copy:hover { background: #00b3b3; }
.wx-modal .wx-close { position: absolute; top: 2px; right: 8px; font-size: 20px; color: #b0b8c4; cursor: pointer; line-height: 1; }
.wx-modal .wx-close:hover { color: #667; }

/* 移动端底部快捷栏 */
.mobile-bar { display: none; }
@media (max-width: 1100px) {
  .mobile-bar { display: flex; position: fixed; bottom: 0; left: 0; width: 100%; z-index: 900;
    background: var(--primary-dark); box-shadow: 0 -2px 10px rgba(0,0,0,.2); }
  .mobile-bar a { flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 12px 0; color: #fff; font-size: .82rem; }
  .mobile-bar a img { width: 20px; height: 20px; margin: 0; display: inline-block; }
  .mobile-bar a div { display: inline-block; }
  body { padding-bottom: 60px; }
}

/* 隐藏案例页旧的底部栏，改用统一 mobile-bar */
.footer22, .footshadow { display: none; }

/* 案例页顶部 banner 全宽（修复轮播绝对定位导致不铺满） */
.c-banner, .c-banner .banner, .c-banner .banner ul { width: 100% !important; }
.c-banner .banner ul li { width: 100% !important; position: relative !important; }
.c-banner .banner ul li img { width: 100% !important; height: auto !important; position: relative !important; display: block; }

/* 底部导航「微信」弹框 */
.wx-bottom-modal { position: fixed; inset: 0; z-index: 1100; display: none; }
.wx-bottom-modal.show { display: flex; align-items: center; justify-content: center; }
.wx-bottom-modal .wxb-mask { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.wx-bottom-modal .wxb-box { position: relative; width: 280px; max-width: 80vw; background: #fff;
  border-radius: 14px; padding: 22px 18px 18px; text-align: center; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.wx-bottom-modal .wxb-close { position: absolute; top: 6px; right: 12px; font-size: 22px; color: #b0b8c4; cursor: pointer; line-height: 1; }
.wx-bottom-modal .wxb-box img { width: 160px; height: 160px; margin: 4px auto 10px; border-radius: 8px; }
.wx-bottom-modal .wxb-box p { margin: 4px 0; color: #556; font-size: .9rem; }
.wx-bottom-modal .wxb-btns { display: flex; gap: 10px; margin-top: 12px; }
.wx-bottom-modal .wxb-btns a, .wx-bottom-modal .wxb-btns button { flex: 1; padding: 9px 0; border: 0; border-radius: 20px;
  font-size: .86rem; cursor: pointer; text-align: center; }
.wx-bottom-modal .wxb-open { background: #1373c0; color: #fff; }
.wx-bottom-modal .wxb-copy { background: #07c160; color: #fff; }
.wx-bottom-modal .wxb-id { margin-top: 10px; font-size: .8rem; color: #8a93a3; }

/* 占位提示（模板试用等） */
.placeholder-box { width: 100%; padding: clamp(50px, 10vw, 100px) 20px; text-align: center;
  background: repeating-linear-gradient(45deg, #f8fafc, #f8fafc 20px, #eef3f8 20px, #eef3f8 40px);
  border: 2px dashed var(--cyan); border-radius: 12px; }
.placeholder-box h3 { color: var(--primary); font-size: clamp(1.2rem, 2.5vw, 1.6rem); margin-bottom: 10px; }
.placeholder-box p { color: #888; font-size: .95rem; }

/* 动画 */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* 内页 banner 图文 */
.banner-overlay { position: relative; }
.banner-overlay .banner-txt { position: absolute; left: 6%; top: 50%; transform: translateY(-50%); max-width: 92%; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,.35); z-index: 2; }
.banner-overlay .banner-txt h1 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); font-weight: 800; margin: 0 0 12px; line-height: 1.3; animation: bannerTxtIn .8s ease both; }
.banner-overlay .banner-txt p { font-size: clamp(.85rem, 1.5vw, 1.1rem); margin: 0 0 22px; opacity: .95; line-height: 1.7; white-space: nowrap; animation: bannerTxtIn .8s ease .15s both; }
.banner-overlay .banner-btn { animation: bannerTxtIn .8s ease .3s both; }
@keyframes bannerTxtIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 768px) {
  .banner-overlay { height: 400px !important; overflow: hidden; }
  .banner-overlay img { width: 100% !important; height: 100% !important; object-fit: cover; }
  .banner-overlay .banner-txt { max-width: 86%; }
  .banner-overlay .banner-txt p { white-space: normal; font-size: .82rem; line-height: 1.5; }
  .banner-overlay .banner-txt h1 { font-size: 1.35rem; }
}
.banner-btn { display: inline-block; padding: 13px 40px; border-radius: 999px; background: #1373c0; color: #fff; font-weight: 700; font-size: 1.05rem; box-shadow: 0 6px 20px rgba(19,115,192,.45); transition: transform .2s; }
.banner-btn:hover { transform: translateY(-2px); color: #fff; }