/* =========================================================
   杭州高手网络科技有限公司 - 官网样式表
   设计基调：浅色 / 科技蓝紫渐变 / 大留白 / 轻拟物卡片
   ========================================================= */

/* ---------- 设计变量 ---------- */
:root {
  --brand:        #2E6BFF;
  --brand-deep:   #1B47C4;
  --brand-2:      #7B5CFF;
  --brand-cyan:   #22C7E8;
  --grad:         linear-gradient(120deg, #2E6BFF 0%, #6A5CFF 55%, #8B5CF6 100%);
  --grad-soft:    linear-gradient(135deg, rgba(46,107,255,.10) 0%, rgba(123,92,255,.10) 100%);

  --ink:          #0F172A;
  --ink-2:        #334155;
  --ink-3:        #64748B;
  --ink-4:        #94A3B8;
  --line:         #E6EAF2;
  --line-soft:    #F1F4FA;
  --bg:           #FFFFFF;
  --bg-soft:      #F7F9FD;
  --bg-blue:      #F2F6FF;

  --radius-s:     10px;
  --radius:       16px;
  --radius-l:     24px;
  --radius-xl:    32px;

  --shadow-s:     0 2px 8px rgba(15,23,42,.05);
  --shadow:       0 8px 24px rgba(15,23,42,.07);
  --shadow-l:     0 20px 50px rgba(15,23,42,.10);
  --shadow-brand: 0 14px 32px rgba(46,107,255,.28);

  --nav-h:        76px;
  --max:          1200px;
  --ease:         cubic-bezier(.4,0,.2,1);
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system,
               BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1,h2,h3,h4,h5 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.28; letter-spacing: -.01em; }
p  { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a  { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section   { padding: 96px 0; position: relative; }
.section--soft { background: var(--bg-soft); }

/* ---------- 通用文字 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em;
  color: var(--brand); text-transform: uppercase;
  background: rgba(46,107,255,.08);
  padding: 6px 14px; border-radius: 999px;
}
.eyebrow::before { content:""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }

.s-title { font-size: clamp(28px, 3.4vw, 42px); margin-bottom: 14px; }
.s-desc  { font-size: 17px; color: var(--ink-3); max-width: 720px; }
.head-center { text-align: center; }
.head-center .s-desc { margin: 0 auto; }
.head-center .eyebrow { margin-bottom: 18px; }
.grad-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 50px; padding: 0 28px; border-radius: 999px;
  font-size: 16px; font-weight: 600; white-space: nowrap;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease),
              background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
}
.btn--primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-brand); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(46,107,255,.36); }
.btn--ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow-s); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-3px); }
.btn--light { background: rgba(255,255,255,.14); color:#fff; border:1px solid rgba(255,255,255,.34); backdrop-filter: blur(6px); }
.btn--light:hover { background: rgba(255,255,255,.24); transform: translateY(-3px); }
.btn--sm { height: 42px; padding: 0 20px; font-size: 15px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 100;
  display: flex; align-items: center;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}
.nav.is-stuck { box-shadow: 0 6px 24px rgba(15,23,42,.07); border-bottom-color: var(--line-soft); background: rgba(255,255,255,.94); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.nav__logo { display: flex; align-items: center; }
.nav__logo img { height: 40px; width: auto; }

.nav__menu { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; display: block; padding: 10px 16px; border-radius: 10px;
  font-size: 15.5px; font-weight: 500; color: var(--ink-2);
}
.nav__link:hover { color: var(--brand); background: var(--bg-blue); }
.nav__link.is-active { color: var(--brand); font-weight: 600; }
.nav__link.is-active::after {
  content:""; position:absolute; left: 16px; right: 16px; bottom: 2px; height: 2.5px;
  border-radius: 2px; background: var(--grad);
}
.nav__actions { display: flex; align-items: center; gap: 12px; }
.nav__toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  align-items: center; justify-content: center; background: var(--bg-blue);
}
.nav__toggle span { display: block; width: 20px; height: 2px; background: var(--ink); position: relative; transition: .3s var(--ease); }
.nav__toggle span::before, .nav__toggle span::after {
  content:""; position:absolute; left:0; width:20px; height:2px; background: var(--ink); transition: .3s var(--ease);
}
.nav__toggle span::before { top: -6px; } .nav__toggle span::after { top: 6px; }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { top:0; transform: rotate(45deg); }
.nav.is-open .nav__toggle span::after  { top:0; transform: rotate(-45deg); }

/* ---------- 移动端抽屉 ---------- */
.drawer {
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 12px 24px 24px;
  display: none; box-shadow: var(--shadow-l);
  max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.drawer.is-open { display: block; animation: slideDown .28s var(--ease); }
@keyframes slideDown { from { opacity:0; transform: translateY(-10px);} to {opacity:1; transform:none;} }
.drawer a { display: block; padding: 14px 4px; font-size: 17px; font-weight: 500; border-bottom: 1px solid var(--line-soft); color: var(--ink); }
.drawer a.is-active { color: var(--brand); }
.drawer .btn { margin-top: 18px; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: calc(var(--nav-h) + 80px) 0 100px;
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(123,92,255,.16), transparent 62%),
    radial-gradient(900px 460px at 8% 4%, rgba(46,107,255,.16), transparent 60%),
    linear-gradient(180deg, #FBFCFF 0%, #FFFFFF 62%);
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(46,107,255,.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(46,107,255,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 72%);
  pointer-events: none;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.06fr .94fr; gap: 60px; align-items: center; }
.hero h1 { font-size: clamp(34px, 4.6vw, 58px); margin: 20px 0 18px; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; position: relative; }
.hero h1 em::after {
  content:""; position:absolute; left:0; right:0; bottom: 6px; height: 10px; z-index:-1;
  background: linear-gradient(90deg, rgba(46,107,255,.28), rgba(139,92,246,.10));
  border-radius: 4px;
}
.hero__lead { font-size: 18px; color: var(--ink-3); max-width: 560px; margin-bottom: 32px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.tag {
  font-size: 13.5px; color: var(--ink-2); background: #fff;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; box-shadow: var(--shadow-s);
}

/* Hero 右侧视觉卡 */
.hero__visual { position: relative; }
.vcard {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  box-shadow: var(--shadow-l); padding: 22px;
}
.vcard__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.vcard__dot { display: flex; gap: 6px; }
.vcard__dot i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); display: block; }
.vcard__dot i:nth-child(1){ background:#FF5F57; } .vcard__dot i:nth-child(2){ background:#FEBC2E; } .vcard__dot i:nth-child(3){ background:#28C840; }
.vcard__label { font-size: 12.5px; color: var(--ink-4); font-weight: 500; }
.code-line { height: 12px; border-radius: 6px; background: var(--line-soft); margin-bottom: 12px; }
.code-line.w70{width:70%;} .code-line.w55{width:55%;} .code-line.w85{width:85%;} .code-line.w40{width:40%;}
.code-line.brand { background: linear-gradient(90deg, rgba(46,107,255,.32), rgba(139,92,246,.16)); }

.mini-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 18px; }
.mini-stat { background: var(--bg-blue); border-radius: var(--radius-s); padding: 12px; text-align: center; }
.mini-stat b { display: block; font-size: 20px; color: var(--ink); }
.mini-stat span { font-size: 12px; color: var(--ink-3); }

.float-card {
  position: absolute; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-l); padding: 14px 16px;
  display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 600; color: var(--ink);
}
.float-card i { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; }
.float-card--a { top: -26px; left: -34px; animation: floaty 6s ease-in-out infinite; }
.float-card--b { bottom: -22px; right: -28px; animation: floaty 7s ease-in-out infinite reverse; }
@keyframes floaty { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-10px);} }
.fc-blue { background: rgba(46,107,255,.12); color: var(--brand); }
.fc-purple{ background: rgba(139,92,246,.12); color: #7C3AED; }

/* ---------- 数据条 ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  box-shadow: var(--shadow); overflow: hidden; margin-top: -46px; position: relative; z-index: 2;
}
.stat { padding: 30px 24px; text-align: center; border-right: 1px solid var(--line-soft); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 38px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.stat b i { font-style: normal; font-size: 22px; color: var(--brand); margin-left: 2px; }
.stat span { font-size: 14.5px; color: var(--ink-3); }

/* ---------- 服务卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 32px 28px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  overflow: hidden;
}
.card::after {
  content:""; position:absolute; inset: auto -30% -60% auto; width: 200px; height: 200px;
  border-radius: 50%; background: radial-gradient(circle, rgba(46,107,255,.10), transparent 70%);
  opacity: 0; transition: opacity .35s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); border-color: rgba(46,107,255,.32); }
.card:hover::after { opacity: 1; }
.card__icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: var(--grad-soft); color: var(--brand); margin-bottom: 20px;
  transition: transform .35s var(--ease);
}
.card:hover .card__icon { transform: scale(1.06) rotate(-3deg); }
.card h3 { font-size: 19.5px; margin-bottom: 10px; }
.card p  { font-size: 15px; color: var(--ink-3); }
.card__list { margin-top: 18px; display: grid; gap: 9px; }
.card__list li { display: flex; gap: 9px; font-size: 14.5px; color: var(--ink-2); }
.card__list li::before {
  content:""; flex: none; width: 18px; height: 18px; margin-top: 4px; border-radius: 50%;
  background: rgba(46,107,255,.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232E6BFF' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 30px 24px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: block; font-size: 34px; font-weight: 800; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 14px; opacity: .9;
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-3); }
.step:not(:last-child)::after {
  content:""; position:absolute; top: 44px; right: -13px; width: 22px; height: 2px;
  background: linear-gradient(90deg, var(--brand), transparent);
}

/* ---------- 案例 ---------- */
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.case:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); }
.case__thumb { height: 190px; position: relative; display: grid; place-items: center; }
.case__thumb span {
  color: #fff; font-size: 20px; font-weight: 700; letter-spacing: .04em;
  text-shadow: 0 2px 12px rgba(0,0,0,.18);
}
.case__thumb::after {
  content:""; position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px);
  background-size: 28px 28px;
}
.t1 { background: linear-gradient(135deg,#2E6BFF,#6A5CFF); }
.t2 { background: linear-gradient(135deg,#0EA5B7,#22C7E8); }
.t3 { background: linear-gradient(135deg,#7C3AED,#C084FC); }
.t4 { background: linear-gradient(135deg,#1E3A8A,#3B82F6); }
.t5 { background: linear-gradient(135deg,#0F766E,#14B8A6); }
.t6 { background: linear-gradient(135deg,#4338CA,#6366F1); }
.case__body { padding: 24px 26px 28px; }
.case__tag { font-size: 12.5px; color: var(--brand); font-weight: 600; }
.case__body h3 { font-size: 18.5px; margin: 8px 0 10px; }
.case__body p { font-size: 14.5px; color: var(--ink-3); }
.case__meta { display: flex; gap: 22px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); }
.case__meta div b { display: block; font-size: 17px; color: var(--brand); }
.case__meta div span { font-size: 12.5px; color: var(--ink-4); }

/* ---------- 客户墙 ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(6,1fr); gap: 16px; }
.logo-wall div {
  height: 76px; display: grid; place-items: center; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); color: var(--ink-3);
  font-size: 15.5px; font-weight: 600; letter-spacing: .04em;
  transition: color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.logo-wall div:hover { color: var(--brand); border-color: rgba(46,107,255,.4); transform: translateY(-3px); }

/* ---------- 新闻 ---------- */
.news { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.post {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.post:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); }
.post__date {
  height: 150px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #fff; background: linear-gradient(135deg,#2E6BFF,#7B5CFF);
}
.post__date b { font-size: 40px; font-weight: 800; line-height: 1.1; }
.post__date span { font-size: 13px; opacity: .85; letter-spacing: .1em; }
.post__body { padding: 24px 26px 28px; }
.post__cat { font-size: 12.5px; color: var(--brand); font-weight: 600; }
.post__body h3 { font-size: 18px; margin: 8px 0 10px; line-height: 1.45; }
.post__body p { font-size: 14.5px; color: var(--ink-3); }
.post__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14.5px; font-weight: 600; color: var(--brand); }
.post__more:hover { gap: 10px; }

/* ---------- CTA ---------- */
.cta {
  position: relative; overflow: hidden; border-radius: var(--radius-xl);
  background: linear-gradient(120deg,#1B47C4 0%, #2E6BFF 45%, #7B5CFF 100%);
  padding: 64px 56px; color: #fff; text-align: center;
}
.cta::before {
  content:""; position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,.10) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.10) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 0%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000, transparent 70%);
}
.cta__inner { position: relative; }
.cta h2 { color: #fff; font-size: clamp(26px,3vw,38px); margin-bottom: 14px; }
.cta p { color: rgba(255,255,255,.86); font-size: 17px; max-width: 620px; margin: 0 auto 30px; }
.cta .btn-row { justify-content: center; }

/* ---------- 页头（内页） ---------- */
.pagehead {
  position: relative; padding: calc(var(--nav-h) + 72px) 0 72px;
  background:
    radial-gradient(800px 380px at 80% 0%, rgba(123,92,255,.14), transparent 62%),
    radial-gradient(700px 340px at 6% 10%, rgba(46,107,255,.14), transparent 60%),
    var(--bg-soft);
  border-bottom: 1px solid var(--line-soft);
  text-align: center;
}
.pagehead h1 { font-size: clamp(30px,3.6vw,46px); margin: 16px 0 12px; }
.pagehead p { color: var(--ink-3); font-size: 17px; max-width: 680px; margin: 0 auto; }
.crumb { font-size: 14px; color: var(--ink-4); }
.crumb a:hover { color: var(--brand); }

/* ---------- 关于页 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-art {
  border-radius: var(--radius-xl); padding: 44px; min-height: 380px;
  background: linear-gradient(140deg,#EEF3FF 0%, #F6F0FF 100%);
  border: 1px solid var(--line); display: grid; place-items: center; position: relative; overflow: hidden;
}
.about-art__badge {
  position: absolute; bottom: 28px; left: 28px; right: 28px; background: #fff;
  border-radius: var(--radius); padding: 18px 22px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 16px;
}
.about-art__badge b { font-size: 26px; color: var(--brand); }
.about-art__badge span { font-size: 14px; color: var(--ink-3); }
.value-list { display: grid; gap: 16px; margin-top: 26px; }
.value-item { display: flex; gap: 14px; align-items: flex-start; }
.value-item i {
  flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-soft); color: var(--brand); font-weight: 700; font-style: normal; font-size: 15px;
}
.value-item h4 { font-size: 16.5px; margin-bottom: 3px; }
.value-item p  { font-size: 14.5px; color: var(--ink-3); }

.timeline { position: relative; padding-left: 34px; }
.timeline::before { content:""; position:absolute; left: 9px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content:""; position:absolute; left: -30px; top: 8px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand); box-shadow: 0 0 0 4px rgba(46,107,255,.10);
}
.tl-item b { display: block; font-size: 15px; color: var(--brand); margin-bottom: 4px; }
.tl-item h4 { font-size: 17px; margin-bottom: 6px; }
.tl-item p { font-size: 14.5px; color: var(--ink-3); }

/* ---------- 服务页 ---------- */
.svc-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  padding: 40px; border-radius: var(--radius-xl); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.svc-hero__art { border-radius: var(--radius-l); min-height: 300px; display: grid; place-items: center; position: relative; overflow: hidden; }
.svc-list { display: grid; gap: 16px; margin-top: 24px; }
.svc-list li { display: flex; gap: 12px; font-size: 15.5px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; }
.info-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 28px; display: flex; gap: 18px; align-items: flex-start; box-shadow: var(--shadow-s);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.info-card i { flex: none; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-soft); color: var(--brand); }
.info-card b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.info-card p, .info-card span { font-size: 14.5px; color: var(--ink-3); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 36px; box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field label em { color: #EF4444; font-style: normal; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; font-size: 15px; font-family: inherit; color: var(--ink);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-s);
  transition: border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; background: #fff; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(46,107,255,.12);
}
.field textarea { resize: vertical; min-height: 118px; }
.form-note { font-size: 13px; color: var(--ink-4); margin-top: 14px; }
.form-ok {
  display: none; margin-top: 16px; padding: 14px 16px; border-radius: var(--radius-s);
  background: rgba(34,197,94,.10); color: #15803D; font-size: 14.5px; border: 1px solid rgba(34,197,94,.28);
}
.form-ok.is-show { display: block; }

.map-box {
  border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line);
  background: var(--bg-soft); min-height: 240px; position: relative;
  display: grid; place-items: center; text-align: center; padding: 32px;
}
.map-box::before {
  content:""; position:absolute; inset:0;
  background-image: linear-gradient(rgba(46,107,255,.12) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(46,107,255,.12) 1px, transparent 1px);
  background-size: 34px 34px;
}
.map-box__inner { position: relative; }
.map-box__pin { width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); color:#fff; box-shadow: var(--shadow-brand); }

/* ---------- 页脚 ---------- */
.footer { background: #0B1220; color: rgba(255,255,255,.72); padding: 72px 0 0; margin-top: 0; }
.footer__top { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 40px; padding-bottom: 48px; }
.footer__brand img { height: 42px; margin-bottom: 18px; }
.footer__brand p { font-size: 14.5px; line-height: 1.8; max-width: 340px; }
.footer h5 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer li { margin-bottom: 11px; }
.footer li a { font-size: 14.5px; }
.footer li a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 10px; font-size: 14.5px;}
.footer__contact li span{ display: flex; gap: 10px; font-size: 14.5px;min-width:45px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.10); padding: 22px 0 26px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: rgba(255,255,255,.55);
}
.footer__bottom a:hover { color: #fff; }
.socials { display: flex; gap: 10px; margin-top: 20px; }
.socials a {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.8);
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.socials a:hover { background: var(--brand); color: #fff; transform: translateY(-3px); }

/* ---------- 返回顶部 ---------- */
.totop {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-l);
  display: grid; place-items: center; color: var(--ink-2);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.totop.is-show { opacity: 1; visibility: visible; transform: none; }
.totop:hover { color: var(--brand); border-color: var(--brand); }

/* ---------- 滚动进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; }
.d4 { transition-delay: .32s; } .d5 { transition-delay: .40s; } .d6 { transition-delay: .48s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { max-width: 560px; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .stats { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-soft); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .step:nth-child(2)::after { display: none; }
  .about-grid, .svc-hero, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .logo-wall { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 860px) {
  .nav__menu { display: none; }
  .nav__actions .btn { display: none; }
  .nav__toggle { display: flex; }
  .section { padding: 68px 0; }
  .grid-3, .grid-2, .news { grid-template-columns: 1fr; }
  .float-card--a { left: 0; } .float-card--b { right: 0; }
  .cta { padding: 46px 26px; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .logo-wall { grid-template-columns: repeat(2,1fr); }
  .about-art { padding: 30px; min-height: 300px; }
}
@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .steps { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .hero { padding-top: calc(var(--nav-h) + 48px); }
  .stat b { font-size: 32px; }
}