@charset "utf-8";
/* ==========================================================================
   泉州建新科技有限公司 · 官网主样式 v2（明亮版）
   设计基调：白底大留白 + 品牌紫蓝 #5c65a9 / 铜金 #b7774c 点缀
   精致卡片 + 柔和投影 + 深墨页脚收束
   单文件、纯手写、零第三方依赖
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-2: #f7f8fc;
  --bg-3: #eef0f7;
  --card: #ffffff;
  --card-hover: #ffffff;
  --line: rgba(23, 26, 48, .09);
  --line-2: rgba(23, 26, 48, .16);
  --txt: #1b1e2b;
  --txt-2: #4d5468;
  --txt-3: #8b91a6;
  --primary: #5c65a9;
  --primary-2: #6f78c4;
  --primary-deep: #474f8e;
  --accent: #b7774c;
  --accent-2: #c98a5e;
  --violet: #7c5cff;
  --amber: #d29a4b;
  --danger: #d64550;
  --ink: #16182a;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 44px -20px rgba(28, 32, 58, .16);
  --glow: 0 0 0 1px rgba(92, 101, 169, .08), 0 24px 54px -26px rgba(92, 101, 169, .38);
  --max: 1240px;
  --ease: cubic-bezier(.22, .68, .28, 1);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  color: var(--txt);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 顶部一抹极淡的品牌渐变氛围（明亮、克制） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 62% 44% at 12% -6%, rgba(92, 101, 169, .07), transparent 68%),
    radial-gradient(ellipse 46% 36% at 92% -4%, rgba(183, 119, 76, .05), transparent 70%);
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; outline: none; }
button { cursor: pointer; border: 0; background: none; }
h1, h2, h3, h4, h5 { font-weight: 600; line-height: 1.35; }
::selection { background: rgba(92, 101, 169, .2); color: var(--txt); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: #f2f3f8; }
::-webkit-scrollbar-thumb { background: #c9cddd; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #a9afc7; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }

.section { padding: 92px 0; position: relative; z-index: 2; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-tight { padding: 62px 0; }

.sec-head { text-align: center; margin-bottom: 52px; }
.sec-head.left { text-align: left; }
.sec-head .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 14px;
}
.sec-head .kicker::before { content: ""; width: 22px; height: 1px; background: linear-gradient(90deg, transparent, var(--accent)); }
.sec-head .kicker::after { content: ""; width: 22px; height: 1px; background: linear-gradient(90deg, var(--accent), transparent); }
.sec-head.left .kicker::after { display: none; }
.sec-head h2 { font-size: 34px; letter-spacing: -.01em; margin-bottom: 14px; color: var(--txt); }
.sec-head p { color: var(--txt-2); font-size: 15px; max-width: 720px; margin: 0 auto; }
.sec-head.left p { margin: 0; }
.sec-head h2 em { font-style: normal; background: linear-gradient(96deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.grad-text { background: linear-gradient(96deg, var(--primary) 6%, var(--accent) 68%); -webkit-background-clip: text; background-clip: text; color: transparent; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 28px; border-radius: 999px;
  font-size: 15px; font-weight: 500; white-space: nowrap;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease), border-color .28s var(--ease), color .28s var(--ease);
}
.btn svg { width: 17px; height: 17px; }
.btn-primary {
  background: linear-gradient(96deg, var(--primary), var(--primary-2) 60%, #8a7fc9);
  color: #fff; font-weight: 600;
  box-shadow: 0 14px 32px -14px rgba(92, 101, 169, .65);
}
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 20px 40px -14px rgba(92, 101, 169, .72); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--txt); background: #fff; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-line { border: 1px solid var(--line-2); color: var(--txt-2); background: #fff; }
.btn-line:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 13.5px; }
.btn-block { width: 100%; }

.more { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 14px; font-weight: 500; }
.more svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.more:hover svg { transform: translateX(4px); }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--txt-3);
  position: relative; z-index: 60;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 40px; gap: 16px; }
.topbar .tel b { color: var(--accent); font-weight: 600; letter-spacing: .02em; }
.topbar .tb-links { display: flex; gap: 18px; }
.topbar .tb-links a { color: var(--txt-3); }
.topbar .tb-links a:hover { color: var(--primary); }

/* ---------- 头部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.header.on { background: rgba(255, 255, 255, .97); box-shadow: 0 12px 34px -24px rgba(28, 32, 58, .35); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-img { height: 44px; width: auto; }
.logo-fb { display: flex; align-items: center; gap: 11px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, var(--primary), var(--primary-2) 60%, #8a7fc9);
  color: #fff; font-size: 20px; font-weight: 700; letter-spacing: -.02em;
  box-shadow: 0 10px 26px -12px rgba(92, 101, 169, .8);
}
.logo-txt { display: flex; flex-direction: column; line-height: 1.15; }
.logo-txt strong { font-size: 17px; font-weight: 600; letter-spacing: .01em; color: var(--txt); }
.logo-txt span { font-size: 10.5px; letter-spacing: .22em; color: var(--txt-3); }

.nav { display: flex; align-items: center; gap: 2px; }
.nav > li { position: relative; }
.nav > li > a {
  display: block; padding: 10px 14px; border-radius: 9px;
  font-size: 14.5px; color: var(--txt-2); white-space: nowrap;
  transition: color .22s var(--ease), background .22s var(--ease);
}
.nav > li > a:hover { color: var(--txt); background: rgba(92, 101, 169, .07); }
.nav > li.active > a { color: var(--primary); font-weight: 500; }
.nav > li.active > a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--primary), var(--accent));
}
.nav .sub {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px);
  min-width: 192px; padding: 8px; border-radius: 14px;
  background: rgba(255, 255, 255, .98);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transition: all .26s var(--ease);
}
.nav li:hover .sub { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav .sub a { display: block; padding: 9px 13px; border-radius: 9px; font-size: 14px; color: var(--txt-2); }
.nav .sub a:hover { color: var(--primary); background: rgba(92, 101, 169, .07); }

.nav-cta {
  height: 40px; padding: 0 20px; border-radius: 999px;
  display: inline-flex; align-items: center; font-size: 14px; font-weight: 500;
  background: linear-gradient(96deg, var(--primary), var(--primary-2)); color: #fff;
  box-shadow: 0 12px 28px -14px rgba(92, 101, 169, .7);
}
.nav-cta:hover { color: #fff; transform: translateY(-1px); }

.menu-btn { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-2); }
.menu-btn i { display: block; width: 17px; height: 1.6px; background: var(--txt); margin: 3.4px auto; border-radius: 2px; transition: .3s var(--ease); }

/* ---------- 首页首屏 Banner ---------- */
.hero { position: relative; z-index: 2; overflow: hidden; padding: 86px 0 0; min-height: 640px; display: flex; align-items: center; }
.hero-canvas { position: absolute; inset: 0; z-index: 1; opacity: .55; }
.hero .glow-orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }
.orb-1 { width: 520px; height: 520px; top: -180px; left: -120px; background: radial-gradient(circle, rgba(92, 101, 169, .16), transparent 68%); }
.orb-2 { width: 460px; height: 460px; bottom: -200px; right: -100px; background: radial-gradient(circle, rgba(183, 119, 76, .12), transparent 68%); }
.orb-3 { width: 360px; height: 360px; top: 20%; right: 24%; background: radial-gradient(circle, rgba(124, 92, 255, .08), transparent 68%); }

.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 52px; align-items: center; width: 100%; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px 7px 11px; border-radius: 999px; margin-bottom: 24px;
  background: #fff; border: 1px solid var(--line-2);
  font-size: 13px; color: var(--txt-2);
  box-shadow: 0 8px 24px -16px rgba(28, 32, 58, .25);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(183, 119, 76, .16); animation: pulse 2.4s infinite; }
.hero h1 { font-size: 50px; line-height: 1.2; letter-spacing: -.02em; margin-bottom: 22px; color: var(--txt); }
.hero h1 span { display: block; }
.hero-sub { font-size: 16.5px; color: var(--txt-2); max-width: 560px; margin-bottom: 34px; line-height: 1.85; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-trust { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--txt-3); }
.hero-trust b { color: var(--txt-2); font-weight: 500; }
.hero-trust .sep { width: 1px; height: 13px; background: var(--line-2); }

.hero-visual { position: relative; height: 400px; }
.hv-card {
  position: absolute; border-radius: 16px; padding: 15px 18px;
  background: rgba(255, 255, 255, .96); border: 1px solid var(--line);
  box-shadow: var(--shadow);
  animation: floaty 6.4s ease-in-out infinite;
}
.hv-card .t { font-size: 12px; color: var(--txt-3); letter-spacing: .05em; }
.hv-card .v { font-size: 21px; font-weight: 600; color: var(--txt); font-variant-numeric: tabular-nums; }
.hv-card .v em { font-style: normal; font-size: 13px; color: var(--accent); margin-left: 4px; }
.hv-a { top: 10px; left: 4%; width: 186px; }
.hv-b { top: 45%; right: 0; width: 206px; animation-delay: -2.1s; }
.hv-c { bottom: 8px; left: 12%; width: 196px; animation-delay: -4.2s; }
.hv-ring { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 292px; height: 292px; border-radius: 50%; border: 1px solid rgba(92, 101, 169, .22); }
.hv-ring::after { content: ""; position: absolute; inset: 32px; border-radius: 50%; border: 1px dashed rgba(183, 119, 76, .32); animation: spin 26s linear infinite; }
.hv-core {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 102px; height: 102px; border-radius: 28px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, var(--primary), var(--primary-2));
  color: #fff; box-shadow: 0 20px 50px -18px rgba(92, 101, 169, .7);
}
.hv-core svg { width: 46px; height: 46px; }

.hero-stats { margin-top: 68px; padding: 26px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.hero-stats .hs { text-align: center; }
.hero-stats .num { font-size: 34px; font-weight: 600; color: var(--txt); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hero-stats .num i { font-style: normal; font-size: 17px; color: var(--accent); margin-left: 2px; }
.hero-stats .lb { font-size: 13px; color: var(--txt-3); margin-top: 2px; }

.hero-slides { position: relative; }
.hero-slide { display: none; }
.hero-slide.on { display: block; animation: fadeUp .8s var(--ease); }
.hero-dots { position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%); display: flex; gap: 9px; z-index: 5; }
.hero-dots b { width: 26px; height: 3px; border-radius: 3px; background: rgba(23, 26, 48, .14); cursor: pointer; transition: .3s var(--ease); }
.hero-dots b.on { background: var(--primary); width: 40px; }

.scroll-tip { position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); font-size: 11.5px; letter-spacing: .2em; color: var(--txt-3); text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 6px; z-index: 5; }
.scroll-tip i { display: block; width: 1px; height: 26px; background: linear-gradient(180deg, var(--primary), transparent); animation: dropLine 1.9s infinite; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; position: relative; overflow: hidden;
  box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18);
  transition: transform .34s var(--ease), border-color .34s var(--ease), background .34s var(--ease), box-shadow .34s var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: rgba(92, 101, 169, .3); box-shadow: var(--glow); }
.card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.card-ico {
  width: 48px; height: 48px; border-radius: 13px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(92, 101, 169, .1); border: 1px solid rgba(92, 101, 169, .2);
  color: var(--primary); transition: .34s var(--ease);
}
.card-ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 18px; margin-bottom: 9px; color: var(--txt); }
.card p { font-size: 14px; color: var(--txt-2); line-height: 1.8; }
.card .card-foot { margin-top: 18px; }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-grid-2col { grid-template-columns: repeat(2, 1fr); }
.svc-grid-4col { grid-template-columns: repeat(4, 1fr); }
.svc-card { display: block; }
.svc-card .idx { position: absolute; top: 14px; right: 20px; font-size: 40px; font-weight: 700; color: rgba(92, 101, 169, .1); letter-spacing: -.03em; }
.svc-card ul { margin-top: 14px; display: flex; flex-direction: column; gap: 7px; }
.svc-card ul li { font-size: 13.5px; color: var(--txt-2); padding-left: 17px; position: relative; }
.svc-card ul li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: .8; }
.svc-card:hover .card-ico { background: rgba(183, 119, 76, .1); border-color: rgba(183, 119, 76, .3); color: var(--accent); }

.adv-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-item { display: flex; gap: 14px; padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); }
.adv-item .ico { width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: rgba(183, 119, 76, .1); color: var(--accent); }
.adv-item .ico svg { width: 21px; height: 21px; }
.adv-item h4 { font-size: 15.5px; margin-bottom: 5px; color: var(--txt); }
.adv-item p { font-size: 13.5px; color: var(--txt-2); line-height: 1.7; }

/* 三家邮箱品牌展示 */
.brand-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.brand-card { text-align: center; padding: 30px 22px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); transition: .34s var(--ease); }
.brand-card:hover { border-color: rgba(92, 101, 169, .3); transform: translateY(-4px); box-shadow: var(--glow); }
.brand-card .nm { font-size: 20px; font-weight: 600; margin-bottom: 8px; color: var(--txt); }
.brand-card .ds { font-size: 13.5px; color: var(--txt-2); line-height: 1.75; }
.brand-card .tag { display: inline-block; margin-top: 14px; padding: 4px 12px; border-radius: 999px; font-size: 12px; color: var(--accent); background: rgba(183, 119, 76, .08); border: 1px solid rgba(183, 119, 76, .26); }
.brand-card .mark { width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 15px; display: flex; align-items: center; justify-content: center; font-size: 21px; font-weight: 700; color: #fff; }
.mark-tx { background: linear-gradient(140deg, #5b7fd4, #3d5fb8); }
.mark-wy { background: linear-gradient(140deg, #e8705f, #d14a3d); }
.mark-al { background: linear-gradient(140deg, #e8a23d, #d2822a); }

.sol-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.sol-card { display: block; padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); position: relative; overflow: hidden; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); transition: .34s var(--ease); }
.sol-card::before { content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 100%; background: linear-gradient(180deg, var(--primary), var(--accent)); opacity: 0; transition: .34s var(--ease); }
.sol-card:hover { border-color: rgba(92, 101, 169, .3); transform: translateY(-4px); box-shadow: var(--glow); }
.sol-card:hover::before { opacity: 1; }
.sol-card .tagline { display: inline-block; font-size: 12px; letter-spacing: .1em; color: var(--accent); margin-bottom: 12px; }
.sol-card h3 { font-size: 19px; margin-bottom: 10px; color: var(--txt); }
.sol-card p { font-size: 14px; color: var(--txt-2); }
.sol-card .go { margin-top: 18px; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { display: block; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); overflow: hidden; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); transition: .34s var(--ease); }
.news-card:hover { border-color: rgba(92, 101, 169, .3); transform: translateY(-4px); box-shadow: var(--glow); }
.news-card .thumb { height: 166px; background: linear-gradient(140deg, #eceef7, #f6f0ea); position: relative; overflow: hidden; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-card .thumb .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(92, 101, 169, .34); }
.news-card .thumb .ph svg { width: 42px; height: 42px; }
.news-card .bd { padding: 22px; }
.news-card .meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--txt-3); margin-bottom: 10px; }
.news-card .meta .cat { color: var(--accent); }
.news-card h3 { font-size: 16.5px; line-height: 1.55; margin-bottom: 10px; color: var(--txt); }
.news-card:hover h3 { color: var(--primary); }
.news-card p { font-size: 13.5px; color: var(--txt-2); }

.news-item { display: flex; gap: 16px; align-items: flex-start; padding: 17px 0; border-bottom: 1px dashed var(--line); }
.news-item:last-child { border-bottom: 0; }
.news-item .date { flex-shrink: 0; width: 78px; text-align: center; border-radius: 10px; padding: 8px 0; background: rgba(92, 101, 169, .07); border: 1px solid rgba(92, 101, 169, .16); }
.news-item .date b { display: block; font-size: 19px; font-weight: 600; color: var(--primary); line-height: 1.1; }
.news-item .date span { font-size: 11.5px; color: var(--txt-3); }
.news-item .info h4 { font-size: 15.5px; margin-bottom: 6px; line-height: 1.6; color: var(--txt); }
.news-item:hover .info h4 { color: var(--primary); }
.news-item .info p { font-size: 13.5px; color: var(--txt-2); }
.news-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.news-tabs a { padding: 8px 20px; border-radius: 999px; font-size: 14px; color: var(--txt-2); border: 1px solid var(--line); background: #fff; }
.news-tabs a:hover { color: var(--primary); border-color: rgba(92, 101, 169, .35); }
.news-tabs a.on { background: linear-gradient(96deg, var(--primary), var(--primary-2)); color: #fff; border-color: transparent; font-weight: 500; }

.partner-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.partner-item { height: 74px; border-radius: 12px; border: 1px solid var(--line); background: #fff; display: flex; align-items: center; justify-content: center; padding: 12px; font-size: 14px; color: var(--txt-2); text-align: center; transition: .3s var(--ease); }
.partner-item:hover { border-color: rgba(92, 101, 169, .3); color: var(--txt); box-shadow: var(--shadow); }
.partner-item img { max-height: 42px; width: auto; object-fit: contain; opacity: .8; transition: .3s var(--ease); }
.partner-item:hover img { opacity: 1; }

.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--primary), var(--accent), transparent); border-radius: 2px; }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -34px; top: 7px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--primary); box-shadow: 0 0 0 4px rgba(92, 101, 169, .12); }
.tl-item .yr { font-size: 19px; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.tl-item h4 { font-size: 16px; margin-bottom: 6px; color: var(--txt); }
.tl-item p { font-size: 14px; color: var(--txt-2); }

.cta-band {
  border-radius: 22px; padding: 52px; position: relative; overflow: hidden;
  background: linear-gradient(120deg, rgba(92, 101, 169, .1), rgba(183, 119, 76, .07) 62%, rgba(124, 92, 255, .07));
  border: 1px solid rgba(92, 101, 169, .18);
}
.cta-band::after { content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(183, 119, 76, .16), transparent 68%); filter: blur(30px); }
.cta-band h2 { font-size: 29px; margin-bottom: 12px; color: var(--txt); }
.cta-band p { color: var(--txt-2); margin-bottom: 26px; max-width: 640px; }
.cta-band .btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* 通用两栏 */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.about-txt p { color: var(--txt-2); margin-bottom: 16px; font-size: 15px; }
.about-txt h2 { font-size: 32px; margin-bottom: 18px; color: var(--txt); }
.about-txt .bc-key { color: var(--primary); }

.num-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.num-item { text-align: center; padding: 26px 14px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); }
.num-item .num { font-size: 32px; font-weight: 600; color: var(--primary); font-variant-numeric: tabular-nums; }
.num-item .lb { font-size: 13px; color: var(--txt-2); margin-top: 2px; }

/* 招聘列表 */
.job-list { display: flex; flex-direction: column; gap: 12px; }
.job-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; transition: .3s var(--ease); }
.job-item:hover { border-color: rgba(92, 101, 169, .3); }
.job-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; cursor: pointer; }
.job-head h3 { font-size: 17px; color: var(--txt); }
.job-head .tags { display: flex; gap: 10px; flex-wrap: wrap; }
.job-head .tags span { font-size: 12.5px; padding: 3px 11px; border-radius: 999px; background: rgba(92, 101, 169, .08); color: var(--txt-2); border: 1px solid rgba(92, 101, 169, .18); }
.job-body { display: none; padding: 0 24px 24px; border-top: 1px dashed var(--line); }
.job-item.open .job-body { display: block; animation: fadeUp .4s var(--ease); }
.job-body h4 { font-size: 14.5px; color: var(--primary); margin: 18px 0 8px; }
.job-body p, .job-body li { font-size: 14px; color: var(--txt-2); line-height: 1.85; }
.job-body ul { padding-left: 18px; list-style: disc; }

/* ---------- 内页顶部横幅 ---------- */
.page-hero {
  position: relative; z-index: 2; overflow: hidden;
  padding: 62px 0 54px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(92, 101, 169, .07), rgba(255, 255, 255, 0) 72%);
}
.page-hero::after {
  content: ""; position: absolute; right: -80px; top: -120px; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 119, 76, .1), transparent 68%); filter: blur(46px);
}
.page-hero h1 { font-size: 36px; letter-spacing: -.015em; margin-bottom: 12px; color: var(--txt); }
.page-hero .lead { color: var(--txt-2); max-width: 720px; font-size: 15.5px; }
.breadcrumb { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--txt-3); margin-top: 18px; flex-wrap: wrap; }
.breadcrumb a { color: var(--txt-3); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-style: normal; color: var(--txt-3); opacity: .55; }
.breadcrumb .cur { color: var(--txt-2); }

/* ---------- 内页两栏 ---------- */
.two-col { display: grid; grid-template-columns: 268px 1fr; gap: 40px; align-items: start; }
.two-col .main-col { min-width: 0; }

.side-nav { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); margin-bottom: 22px; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); }
.side-nav .sn-head { padding: 18px 22px; border-bottom: 1px solid var(--line); background: rgba(92, 101, 169, .06); }
.side-nav .sn-head h3 { font-size: 17px; color: var(--txt); }
.side-nav .sn-head span { font-size: 11.5px; letter-spacing: .18em; color: var(--txt-3); text-transform: uppercase; }
.side-nav ul { padding: 8px; }
.side-nav li a { display: block; padding: 11px 16px; border-radius: 10px; font-size: 14.5px; color: var(--txt-2); transition: .25s var(--ease); }
.side-nav li a:hover { color: var(--txt); background: rgba(92, 101, 169, .06); }
.side-nav li.on a { color: var(--primary); background: rgba(92, 101, 169, .09); font-weight: 500; }

.side-box { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 22px; margin-bottom: 22px; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); }
.side-box h4 { font-size: 15.5px; margin-bottom: 14px; padding-bottom: 11px; border-bottom: 1px solid var(--line); color: var(--txt); }
.side-box .sb-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); }
.side-box .sb-list li:last-child { border-bottom: 0; }
.side-box .sb-list a { font-size: 13.5px; color: var(--txt-2); display: flex; gap: 8px; line-height: 1.6; }
.side-box .sb-list a:hover { color: var(--primary); }
.side-box .sb-list a::before { content: ""; flex-shrink: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); margin-top: 9px; opacity: .8; }
.side-box .contact-line { display: flex; gap: 8px; font-size: 13.5px; color: var(--txt-2); padding: 6px 0; }
.side-box .contact-line span { color: var(--txt-3); flex-shrink: 0; }
.side-box .contact-line b { color: var(--primary); font-weight: 600; }
.side-box .contact-line svg { width: 15px; height: 15px; color: var(--primary); flex-shrink: 0; margin-top: 4px; }

/* ---------- 列表：案例 / 产品 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card { display: block; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); overflow: hidden; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); transition: .34s var(--ease); }
.case-card:hover { transform: translateY(-5px); border-color: rgba(92, 101, 169, .3); box-shadow: var(--glow); }
.case-card .case-img { height: 176px; background: linear-gradient(140deg, #eceef7, #f6f0ea); position: relative; overflow: hidden; }
.case-card .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.case-card:hover .case-img img { transform: scale(1.05); }
.case-card .case-img .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 30px; font-weight: 700; color: rgba(92, 101, 169, .24); letter-spacing: -.02em; }
.case-card .case-body { padding: 20px 22px; }
.case-card .case-body h3 { font-size: 16.5px; margin-bottom: 8px; line-height: 1.5; color: var(--txt); }
.case-card:hover .case-body h3 { color: var(--primary); }
.case-card .case-body p { font-size: 13.5px; color: var(--txt-2); }
.case-card .cat-tag { display: inline-block; font-size: 12px; color: var(--accent); margin-bottom: 9px; }
.case-card .case-meta { display: flex; gap: 14px; margin-top: 14px; font-size: 12.5px; color: var(--txt-3); flex-wrap: wrap; }

/* ---------- 详情排版 ---------- */
.detail-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 42px; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); }
.detail-head { padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.detail-head h1 { font-size: 29px; line-height: 1.4; margin-bottom: 14px; color: var(--txt); }
.detail-head .meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--txt-3); }
.detail-head .meta span { display: inline-flex; align-items: center; gap: 6px; }
.detail-head .meta svg { width: 14px; height: 14px; }

.article-body { font-size: 15.5px; line-height: 2; color: #3a4155; }
.article-body p { margin-bottom: 18px; }
.article-body h2 { font-size: 21px; margin: 34px 0 16px; padding-left: 14px; border-left: 3px solid var(--primary); color: var(--txt); }
.article-body h3 { font-size: 18px; margin: 28px 0 13px; color: var(--txt); }
.article-body h4 { font-size: 16px; margin: 22px 0 10px; color: var(--primary); }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 24px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 9px; }
.article-body img { border-radius: 12px; margin: 20px auto; max-width: 100%; height: auto; }
.article-body a { color: var(--primary); border-bottom: 1px dashed rgba(92, 101, 169, .5); }
.article-body strong { color: var(--txt); font-weight: 600; }
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--line-2); padding: 11px 14px; text-align: left; }
.article-body th { background: rgba(92, 101, 169, .08); color: var(--txt); font-weight: 500; }
.article-body blockquote { margin: 20px 0; padding: 16px 22px; border-left: 3px solid var(--primary); background: rgba(92, 101, 169, .06); border-radius: 0 12px 12px 0; color: var(--txt-2); }
.article-body code { font-family: Consolas, Monaco, monospace; font-size: 13.5px; background: rgba(92, 101, 169, .1); padding: 2px 7px; border-radius: 5px; color: var(--primary-deep); }
.article-body .tip-box { margin: 22px 0; padding: 18px 22px; border-radius: 12px; background: rgba(183, 119, 76, .06); border: 1px solid rgba(183, 119, 76, .24); font-size: 14.5px; }
.article-body .tip-box strong { color: var(--accent); }

.detail-foot { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.prev-next { display: flex; flex-direction: column; gap: 9px; flex: 1; min-width: 240px; }
.prev-next a { font-size: 14px; color: var(--txt-2); display: flex; gap: 8px; }
.prev-next a:hover { color: var(--primary); }
.prev-next a span { color: var(--txt-3); flex-shrink: 0; }

/* 详情页侧栏内联（无侧栏的宽版） */
.detail-wrap { max-width: 920px; margin: 0 auto; }

/* ---------- FAQ ---------- */
.faq-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.faq-tabs a { padding: 8px 18px; border-radius: 999px; font-size: 14px; color: var(--txt-2); border: 1px solid var(--line); background: #fff; }
.faq-tabs a.on, .faq-tabs a:hover { color: var(--primary); border-color: rgba(92, 101, 169, .35); }
.faq-tabs a.on { background: rgba(92, 101, 169, .08); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; transition: .3s var(--ease); }
.faq-item:hover { border-color: rgba(92, 101, 169, .3); }
.faq-q { display: flex; align-items: flex-start; gap: 14px; padding: 20px 24px; cursor: pointer; }
.faq-q .q-mark {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px; margin-top: 2px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(92, 101, 169, .12); color: var(--primary); font-size: 13px; font-weight: 700;
}
.faq-q h3 { font-size: 16px; line-height: 1.6; flex: 1; transition: color .25s var(--ease); color: var(--txt); }
.faq-item:hover .faq-q h3 { color: var(--primary); }
.faq-q .arr { flex-shrink: 0; width: 18px; height: 18px; color: var(--txt-3); transition: transform .3s var(--ease); margin-top: 4px; }
.faq-item.open .faq-q .arr { transform: rotate(180deg); color: var(--primary); }
.faq-a { display: none; padding: 0 24px 22px 64px; border-top: 1px dashed var(--line); margin-top: 0; font-size: 14.5px; color: var(--txt-2); line-height: 1.9; }
.faq-item.open .faq-a { display: block; animation: fadeUp .35s var(--ease); }
.faq-a .faq-brand { display: inline-flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.faq-a .faq-brand span { font-size: 12px; padding: 2px 10px; border-radius: 999px; background: rgba(92, 101, 169, .08); color: var(--txt-3); }
.faq-a ol, .faq-a ul { padding-left: 20px; margin: 10px 0; }
.faq-a ol { list-style: decimal; }
.faq-a ul { list-style: disc; }
.faq-a li { margin-bottom: 7px; }
.faq-a .faq-say { margin-top: 14px; padding: 13px 17px; border-radius: 10px; background: rgba(183, 119, 76, .06); border-left: 3px solid var(--accent); font-size: 14px; color: var(--txt); }
.faq-a .faq-say b { color: var(--accent); }

/* ---------- 表单 ---------- */
.form-box { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 34px; box-shadow: 0 6px 24px -18px rgba(28, 32, 58, .18); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; color: var(--txt-2); }
.field label .req { color: var(--danger); margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 15px; border-radius: 11px;
  background: #fbfbfe; border: 1px solid var(--line-2);
  font-size: 14.5px; color: var(--txt); transition: .25s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(92, 101, 169, .14); background: #fff; }
.field input::placeholder, .field textarea::placeholder { color: var(--txt-3); }
.field select option { background: #fff; color: var(--txt); }
.field .tip { font-size: 12.5px; color: var(--txt-3); }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: var(--danger); }

.form-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 24px; }
.form-msg { margin-top: 18px; padding: 13px 17px; border-radius: 11px; font-size: 14px; display: none; }
.form-msg.ok { display: block; background: rgba(64, 152, 105, .08); border: 1px solid rgba(64, 152, 105, .3); color: #2c7a4f; }
.form-msg.err { display: block; background: rgba(214, 69, 80, .07); border: 1px solid rgba(214, 69, 80, .3); color: var(--danger); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 44px; align-items: start; }
.contact-info .ci-item { display: flex; gap: 15px; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.contact-info .ci-item:last-child { border-bottom: 0; }
.contact-info .ci-ico { width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: rgba(92, 101, 169, .1); border: 1px solid rgba(92, 101, 169, .2); color: var(--primary); }
.contact-info .ci-ico svg { width: 21px; height: 21px; }
.contact-info h4 { font-size: 14px; color: var(--txt-3); font-weight: 400; margin-bottom: 4px; }
.contact-info .ci-v { font-size: 16px; color: var(--txt); font-weight: 500; }
.contact-info .ci-v.big { font-size: 22px; color: var(--primary); letter-spacing: .01em; }

/* ---------- 分页 ---------- */
.pagination { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 40px; justify-content: center; }
.page-num { min-width: 40px; height: 40px; padding: 0 13px; border-radius: 11px; border: 1px solid var(--line); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; color: var(--txt-2); background: #fff; transition: .25s var(--ease); }
.page-num:hover { border-color: var(--primary); color: var(--primary); }
.page-num.active { background: linear-gradient(96deg, var(--primary), var(--primary-2)); color: #fff; border-color: transparent; font-weight: 600; }
.page-dots { color: var(--txt-3); padding: 0 4px; }
.empty { text-align: center; padding: 70px 20px; color: var(--txt-3); }
.empty svg { width: 46px; height: 46px; margin: 0 auto 16px; opacity: .4; }

/* ---------- 页脚（深墨收束） ---------- */
.footer { position: relative; z-index: 2; background: var(--ink); padding: 62px 0 0; margin-top: 20px; overflow: hidden; }
.footer .glow-orb { position: absolute; width: 420px; height: 420px; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.footer .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.35fr; gap: 40px; position: relative; z-index: 2; }
.footer h4 { font-size: 15px; margin-bottom: 18px; color: #fff; }
.footer p { font-size: 13.5px; color: #aeb3c6; }
.footer ul li { margin-bottom: 11px; }
.footer ul a { font-size: 13.5px; color: #aeb3c6; }
.footer ul a:hover { color: #e4b28c; }
.footer .contact-line { display: flex; gap: 8px; font-size: 13.5px; color: #aeb3c6; margin-bottom: 9px; }
.footer .contact-line span { color: #7d8299; flex-shrink: 0; }
.footer .contact-line b { color: #e4b28c; }
.footer .qr { width: 92px; max-width: none; height: 92px; border-radius: 12px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); display: flex; align-items: center; justify-content: center; font-size: 12px; color: #aeb3c6; text-align: center; object-fit: contain; flex-shrink: 0; }
.foot-bottom { margin-top: 48px; padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #7d8299; position: relative; z-index: 2; }
.foot-bottom a { color: #7d8299; }
.foot-bottom a:hover { color: #e4b28c; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.foot-links .js-clock { color: #aeb3c6; }
.foot-logo { height: 40px; width: auto; margin-bottom: 16px; }

/* ---------- 右侧悬浮服务条 ---------- */
.side-bar { position: fixed; right: 16px; top: 50%; transform: translateY(-50%); z-index: 45; display: flex; flex-direction: column; gap: 9px; }
.side-btn {
  position: relative; width: 46px; height: 46px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .96); border: 1px solid var(--line-2); color: var(--txt-2);
  box-shadow: 0 8px 26px -14px rgba(28, 32, 58, .3);
  transition: .28s var(--ease); cursor: pointer;
}
.side-btn:hover { color: var(--primary); border-color: var(--primary); transform: translateX(-3px); }
.side-btn svg { width: 21px; height: 21px; }
.side-btn .pop {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) translateX(8px);
  padding: 9px 14px; border-radius: 10px; white-space: nowrap;
  background: rgba(255, 255, 255, .99); border: 1px solid var(--line);
  box-shadow: var(--shadow);
  font-size: 13px; color: var(--txt-2);
  opacity: 0; visibility: hidden; transition: .26s var(--ease);
}
.side-btn:hover .pop { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.side-btn .pop b { color: var(--primary); }
.side-btn .pop-qr { padding: 10px 12px; text-align: center; width: 148px; }
.side-btn .pop-qr img { width: 122px; max-width: none; height: 122px; object-fit: contain; border-radius: 8px; background: #fff; }
.side-btn .pop-qr em { display: block; font-style: normal; font-size: 12px; color: var(--txt-3); margin-top: 7px; }
.side-qr:hover .pop-qr { opacity: 1; visibility: visible; }

/* ---------- 动效 ---------- */
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .55; transform: scale(.86); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-13px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes dropLine { 0% { opacity: 0; transform: translateY(-8px); } 45% { opacity: 1; } 100% { opacity: 0; transform: translateY(10px); } }

/* 滚动揭示：默认可见，仅在 JS 可用（html.js）时才隐藏等待动画 —— 避免脚本被拦截导致整页空白 */
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
html.js .reveal-d1 { transition-delay: .1s; }
html.js .reveal-d2 { transition-delay: .2s; }
html.js .reveal-d3 { transition-delay: .3s; }
html.js .reveal-d4 { transition-delay: .4s; }
html.js .reveal-d5 { transition-delay: .5s; }
html.js.no-io .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html.js .reveal { opacity: 1; transform: none; }
}

/* 返回顶部 */
.to-top {
  position: fixed; right: 16px; bottom: 26px; z-index: 45;
  width: 46px; height: 46px; border-radius: 13px;
  display: none; align-items: center; justify-content: center;
  background: linear-gradient(96deg, var(--primary), var(--primary-2)); color: #fff;
  box-shadow: 0 12px 30px -14px rgba(92, 101, 169, .7);
}
.to-top.on { display: flex; }
.to-top svg { width: 20px; height: 20px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .hero h1 { font-size: 42px; }
  .hero-grid { gap: 38px; }
  .svc-grid, .news-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid-4col { grid-template-columns: repeat(2, 1fr); }
  .partner-wall { grid-template-columns: repeat(4, 1fr); }
  .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .two-col { grid-template-columns: 232px 1fr; gap: 28px; }
  .adv-list { grid-template-columns: repeat(2, 1fr); }
  .num-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .section { padding: 64px 0; }
  .sec-head { margin-bottom: 38px; }
  .sec-head h2 { font-size: 27px; }
  .hero { padding-top: 56px; min-height: auto; }
  .hero h1 { font-size: 34px; }
  .hero-visual { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
  .about-grid, .sol-grid, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  /* 两栏页在手机上：正文内容排到侧栏（联系方式等）前面 */
  .two-col { display: flex; flex-direction: column; gap: 30px; }
  .two-col .main-col { order: -1; }
  .side-nav ul { display: flex; flex-wrap: wrap; }
  .side-nav li { flex: 0 0 auto; }
  .detail-card { padding: 28px 22px; }
  .cta-band { padding: 34px 24px; }
  .cta-band h2 { font-size: 23px; }
  .form-box { padding: 24px 20px; }

  /* 修复：header 的 backdrop-filter 会让内部 fixed 抽屉以 header 为包含块，导致手机端菜单点开不显示 */
  .header { background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .topbar { z-index: 30; }

  /* 移动端导航抽屉 */
  .menu-btn { display: block; }
  .nav {
    position: fixed; left: 0; right: 0; top: 0; bottom: 0;
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    gap: 0; padding: 88px 22px 30px; overflow-y: auto;
    background: rgba(255, 255, 255, .99);
    transform: translateX(100%); transition: transform .34s var(--ease); z-index: 49;
  }
  .nav.open { transform: none; }
  .nav > li > a { font-size: 16.5px; padding: 15px 6px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav > li.active > a::after { display: none; }
  .nav .sub { position: static; transform: none; opacity: 1; visibility: visible; background: none; border: 0; box-shadow: none; padding: 4px 0 10px 14px; min-width: 0; }
  .nav .sub a { font-size: 14.5px; padding: 8px 6px; color: var(--txt-3); }
  body.nav-open { overflow: hidden; }
}

@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .wrap { padding: 0 18px; }
  .section { padding: 50px 0; }
  /* 顶部信息条只留一句话，单行溢出省略 */
  .topbar .wrap { height: 34px; padding: 0 18px; flex-direction: row; align-items: center; gap: 10px; }
  .topbar .tb-links { display: none; }
  .topbar .wrap > div:first-child { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 12px; }
  .header .wrap { height: 64px; }
  /* 试用按钮文字保持一行 */
  .nav-cta { white-space: nowrap; padding: 0 14px; height: 38px; flex-shrink: 0; }
  .logo-mark { width: 38px; height: 38px; font-size: 18px; }
  .logo-txt strong { font-size: 15.5px; }
  .hero h1 { font-size: 27px; }
  .hero-sub { font-size: 15px; }
  .hero-btns { gap: 10px; }
  .hero-btns .btn { flex: 1; min-width: 140px; }
  .hero-stats .num { font-size: 26px; }
  .sec-head h2 { font-size: 22px; }
  .page-hero { padding: 40px 0 34px; }
  .page-hero h1 { font-size: 24px; }
  .svc-grid, .news-grid, .case-grid, .sol-grid, .brand-row, .svc-grid-2col, .svc-grid-4col, .adv-list { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: repeat(2, 1fr); }
  .num-row { grid-template-columns: repeat(2, 1fr); }
  .footer .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; gap: 15px; }
  .side-bar { display: none; }
  .to-top { bottom: 18px; right: 14px; }
  .detail-head h1 { font-size: 21px; }
  .article-body { font-size: 15px; }
  .job-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .faq-a { padding-left: 24px; }
  .hero-trust { font-size: 12.5px; gap: 9px; }
}

/* ============ 平板 / 手机 适配增强 ============ */
/* 宽表格独立横向滚动，避免撑破手机布局 */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll > table { min-width: 580px; }
.table-tip { display: none; }

/* 移动端底部操作条（≤900px 时才出现） */
.mbar { display: none; }

@media (max-width: 900px) {
  /* 右侧悬浮条在触屏上不好点，改用底部操作条 */
  .side-bar { display: none; }
  .mbar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: rgba(255, 255, 255, .97); border-top: 1px solid var(--line);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    padding: 7px 8px calc(7px + env(safe-area-inset-bottom, 0px));
  }
  .mbar a {
    flex: 1; min-width: 0; height: 52px; border-radius: 12px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    font-size: 11.5px; color: var(--txt-2); text-decoration: none;
  }
  .mbar a span { white-space: nowrap; }
  .mbar a svg { width: 20px; height: 20px; flex: 0 0 auto; }
  .mbar a.mbar-cta { flex: 1.15; color: #fff; background: linear-gradient(96deg, var(--primary), var(--primary-2)); font-weight: 600; }
  .mbar a:active { background: rgba(92, 101, 169, .1); }
  /* 给底部操作条留出空间，避免遮住页脚最后一行 */
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px)); }
  .to-top { bottom: calc(78px + env(safe-area-inset-bottom, 0px)); }
  .detail-card { padding: 26px 20px; }
}

@media (max-width: 640px) {
  /* 表单字号 ≥16px：否则 iOS 聚焦时会自动放大整页 */
  .field input, .field select, .field textarea { font-size: 16px; }
  /* 后台富文本里可能带表格，小屏内滚动而非溢出 */
  .article-body table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-tip { display: block; text-align: center; color: var(--txt-3); font-size: 12px; padding: 10px 0 14px; }
  .hero-btns { flex-direction: column; align-items: stretch; }
  .hero-btns .btn { min-width: 0; justify-content: center; }
  .prev-next { min-width: 0; }
  .breadcrumb, .crumbs { font-size: 12.5px; }
  .pager { flex-wrap: wrap; gap: 8px; }
}

@media (max-width: 380px) {
  .wrap { padding: 0 14px; }
  .hero h1 { font-size: 24px; }
  .sec-head h2 { font-size: 20px; }
  .num-row, .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .mbar a { font-size: 11px; height: 50px; }
}