/* EMBEDEEP 壹普智慧 — 官网样式 v3（视觉优化版） */
:root {
  --gold: #f2b100;
  --gold-soft: rgba(242, 177, 0, .12);
  --gold-line: rgba(242, 177, 0, .35);
  --ink: #0b0e13;
  --ink-2: #10151d;
  --ink-3: #161c26;
  --card: #141a23;
  --line: rgba(255, 255, 255, .07);
  --line-2: rgba(255, 255, 255, .11);
  --txt: #e6ebf2;
  --txt-dim: #9aa5b3;
  --txt-faint: #67717f;
  --red: #f87171;
  --green: #4ade80;
  --radius: 14px;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --shadow-1: 0 2px 8px rgba(0, 0, 0, .25);
  --shadow-2: 0 12px 32px rgba(0, 0, 0, .35);
  --max: 1180px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--ink); color: var(--txt);
  line-height: 1.8; letter-spacing: .01em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 26px; }
::selection { background: var(--gold); color: #141005; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: #2a3342; border-radius: 6px; border: 2px solid var(--ink); }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ===== 滚动渐入 ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(11, 14, 19, .78);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 30px; width: auto; }
.brand .cn { font-size: 19px; font-weight: 600; letter-spacing: 3px; color: #fff; }
.nav { display: flex; gap: 34px; align-items: center; }
.nav > a { position: relative; color: var(--txt-dim); font-size: 15px; padding: 6px 0; transition: color .25s var(--ease); }
.nav > a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--gold); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav > a:hover, .nav > a.active { color: #fff; }
.nav > a:hover::after, .nav > a.active::after { transform: scaleX(1); }

/* ===== 按钮 ===== */
.btn {
  display: inline-block; padding: 13px 34px; border-radius: 10px; font-size: 15px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-gold {
  background: linear-gradient(135deg, #ffc61a, var(--gold) 55%, #d99a00);
  color: #1a1405; font-weight: 600;
  box-shadow: 0 6px 20px rgba(242, 177, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(242, 177, 0, .4), inset 0 1px 0 rgba(255, 255, 255, .35); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--txt); background: rgba(255, 255, 255, .02); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* ===== 首屏 Hero ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background:
    radial-gradient(900px 420px at 18% 30%, rgba(242, 177, 0, .10), transparent 60%),
    linear-gradient(180deg, rgba(11, 14, 19, .62) 0%, rgba(11, 14, 19, .86) 62%, var(--ink) 100%),
    url("../img/hero-building.jpg") center/cover no-repeat;
  padding: 140px 0 90px;
}
.hero .badge {
  display: inline-block; padding: 5px 16px; margin-bottom: 26px;
  border: 1px solid var(--gold-line); border-radius: 999px;
  background: var(--gold-soft);
  color: var(--gold); font-size: 13px; letter-spacing: 3px;
}
.hero h1 { font-size: clamp(30px, 4.8vw, 54px); color: #fff; line-height: 1.28; font-weight: 700; letter-spacing: .01em; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero .sub { margin-top: 20px; font-size: clamp(17px, 2.1vw, 23px); color: var(--txt); max-width: 780px; font-weight: 500; }
.hero .desc { margin-top: 16px; color: var(--txt-dim); max-width: 780px; font-size: 15px; }
.hero .cta { margin-top: 42px; display: flex; gap: 16px; flex-wrap: wrap; }

/* chips 数据条 */
.chips { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.chips span {
  border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 16px;
  font-size: 13px; color: var(--txt-dim);
  background: rgba(255, 255, 255, .03); backdrop-filter: blur(6px);
}
.chips span b { color: var(--gold); font-weight: 600; }

/* ===== 通用区块 ===== */
.section { padding: 96px 0; position: relative; }
.section:nth-of-type(even) { background: var(--ink-2); }
.sec-head { text-align: center; margin-bottom: 58px; }
.sec-head .en {
  color: var(--gold); font-size: 13px; letter-spacing: 5px; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 14px;
}
.sec-head .en::before, .sec-head .en::after { content: ""; width: 34px; height: 1px; background: var(--gold-line); }
.sec-head h2 { color: #fff; font-size: clamp(25px, 3.1vw, 36px); margin-top: 12px; letter-spacing: .02em; }
.sec-head p { color: var(--txt-dim); margin-top: 16px; max-width: 760px; margin-left: auto; margin-right: auto; font-size: 15px; }

/* ===== 性能数据带 ===== */
.perf { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.perf .card {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.perf .card:hover { transform: translateY(-4px); border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.perf .card .num { color: var(--gold); font-size: 32px; font-weight: 800; letter-spacing: .01em; }
.perf .card .what { color: #fff; margin-top: 8px; font-weight: 600; font-size: 16px; }
.perf .card .note { color: var(--txt-dim); font-size: 13px; margin-top: 10px; }
.perf-lead { text-align: center; color: var(--txt); margin-bottom: 40px; font-size: 16px; }
.perf-lead b { color: var(--gold); }

/* ===== 特性组 ===== */
.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.feat {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px;
  transition: border-color .3s, box-shadow .3s;
}
.feat:hover { border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.feat h3 { color: var(--gold); font-size: 17px; margin-bottom: 16px; letter-spacing: .02em; }
.feat ul { list-style: none; }
.feat li { color: var(--txt-dim); font-size: 14px; padding: 7px 0 7px 20px; position: relative; }
.feat li::before {
  content: ""; position: absolute; left: 0; top: 16px; width: 7px; height: 7px;
  border-radius: 2px; background: var(--gold); transform: rotate(45deg);
}
.feat li b { color: var(--txt); font-weight: 600; }
.arch-img, .eco-img {
  margin: 48px auto 0; background: #fff; border-radius: var(--radius); padding: 22px;
  box-shadow: var(--shadow-2);
}
.eco-img { margin-top: 52px; }
.spec-note { text-align: center; margin-top: 34px; color: var(--txt-dim); font-size: 14px; }
.spec-note a { color: var(--gold); border-bottom: 1px dashed var(--gold-line); transition: border-color .25s; }
.spec-note a:hover { border-bottom-style: solid; }

/* ===== 核心优势 ===== */
.adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv .card {
  text-align: center;
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 20px;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.adv .card:hover { transform: translateY(-5px); border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.adv .card .big { color: #fff; font-size: 20px; font-weight: 700; }
.adv .card .tag { color: var(--gold); font-size: 12px; letter-spacing: 3px; margin-top: 6px; }
.adv .card .note { color: var(--txt-dim); font-size: 13px; margin-top: 12px; }

/* ===== 愿景 + 数据 ===== */
.vision { text-align: center; }
.vision h2 { color: #fff; font-size: clamp(23px, 3.2vw, 34px); max-width: 860px; margin: 0 auto; line-height: 1.5; }
.vision h2 em { color: var(--gold); font-style: normal; }
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; margin-top: 58px; }
.stats .stat { padding: 20px 8px; border-radius: 12px; background: rgba(255, 255, 255, .02); border: 1px solid var(--line); }
.stats .stat .n { color: var(--gold); font-size: 44px; font-weight: 800; font-variant-numeric: tabular-nums; }
.stats .stat .t { color: var(--txt-dim); font-size: 13px; margin-top: 6px; }

/* ===== 产品与服务 ===== */
.svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc .card {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 28px;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
  position: relative; overflow: hidden;
}
.svc .card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0; transition: opacity .3s;
}
.svc .card:hover { transform: translateY(-5px); border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.svc .card:hover::before { opacity: 1; }
.svc .card h3 { color: #fff; font-size: 19px; }
.svc .card .en { color: var(--gold); font-size: 12px; letter-spacing: 3px; margin-bottom: 12px; }
.svc .card p { color: var(--txt-dim); font-size: 14px; margin-top: 12px; }

/* ===== 公司简介 ===== */
.about p { color: var(--txt-dim); max-width: 900px; margin: 0 auto; text-align: center; font-size: 15.5px; }
.about b { color: var(--gold); font-weight: 600; }

/* ===== 页脚 ===== */
.site-footer { border-top: 1px solid var(--line); padding: 52px 0 32px; background: #080b0f; }
.site-footer .cols { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: .05em; }
.site-footer p, .site-footer a { color: var(--txt-dim); font-size: 13px; line-height: 2.1; }
.site-footer a { transition: color .25s; }
.site-footer a:hover { color: var(--gold); }
.beian { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .05); text-align: center; }
.beian a, .beian span { color: var(--txt-faint); font-size: 12px; margin: 0 10px; }
.beian a:hover { color: var(--gold); }

/* ===== 子页标题条 ===== */
.page-hero {
  padding: 170px 0 70px; text-align: center;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(242, 177, 0, .07), transparent 65%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  border-bottom: 1px solid var(--line);
}
.page-hero:empty { display: none; }
.page-hero h1 { color: #fff; font-size: clamp(27px, 3.4vw, 40px); letter-spacing: .02em; }
.page-hero p { color: var(--txt-dim); margin-top: 14px; }

/* ===== 表单页 ===== */
.form-page { min-height: 78vh; display: flex; align-items: center; padding: 130px 0 70px; }
.form-card {
  width: 100%; max-width: 440px; margin: 0 auto;
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line-2); border-radius: 18px; padding: 42px 38px;
  box-shadow: var(--shadow-2);
}
.form-card h1 { color: #fff; font-size: 23px; text-align: center; margin-bottom: 28px; letter-spacing: .05em; }
.form-card label { display: block; color: var(--txt-dim); font-size: 13px; margin: 18px 0 7px; }
.form-card input,
.form-card select,
.form-card textarea {
  width: 100%; padding: 12px 15px; border-radius: 10px;
  border: 1px solid var(--line-2); background: rgba(0, 0, 0, .25); color: #fff; font-size: 15px;
  font-family: inherit;
  transition: border-color .25s, box-shadow .25s;
}
.form-card select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a93a3' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center;
  cursor: pointer;
}
.form-card select option { background: #141820; color: #fff; }
.form-card textarea { resize: vertical; min-height: 72px; }
.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
.form-card .btn { width: 100%; margin-top: 28px; cursor: pointer; border: none; }
.form-card .alt { text-align: center; margin-top: 20px; font-size: 13px; color: var(--txt-dim); }
.form-card .alt a { color: var(--gold); }
.form-msg { margin-top: 16px; text-align: center; font-size: 14px; min-height: 20px; line-height: 1.7; }
.form-msg.err { color: var(--red); }
.form-msg.ok { color: var(--green); }

/* 小型操作按钮（问答删除等） */
.abtn {
  background: transparent; border: 1px solid var(--line-2); color: var(--txt-dim);
  border-radius: 6px; padding: 4px 12px; font-size: 12px; cursor: pointer;
  transition: all .2s;
}
.abtn:hover { border-color: var(--gold); color: var(--gold); }
.abtn-danger:hover { border-color: var(--red); color: var(--red); }

/* ===== 问答 ===== */
.qa-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.qa-list .q {
  display: block; background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; margin-bottom: 14px;
  transition: border-color .25s, transform .25s var(--ease), box-shadow .25s;
}
.qa-list .q:hover { border-color: var(--gold-line); transform: translateX(4px); box-shadow: var(--shadow-1); }
.qa-list .q .t { color: #fff; font-weight: 600; font-size: 16px; }
.qa-list .q .meta { color: var(--txt-dim); font-size: 12px; margin-top: 8px; }
.qa-list .q .meta b { color: var(--gold); font-weight: 600; }
.qa-detail { background: linear-gradient(180deg, var(--ink-3), var(--card)); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin-bottom: 18px; }
.qa-detail .who { color: var(--gold); font-size: 13px; font-weight: 600; }
.qa-detail .time { color: var(--txt-faint); font-size: 12px; margin-left: 10px; }
.qa-detail .body { color: var(--txt); margin-top: 14px; white-space: pre-wrap; line-height: 1.8; }
.qa-detail.ans { margin-left: 34px; border-left: 3px solid var(--gold); }
textarea.qa-input {
  width: 100%; min-height: 120px; padding: 14px 16px; border-radius: 10px;
  border: 1px solid var(--line-2); background: rgba(0, 0, 0, .25); color: #fff; font-size: 14px; font-family: inherit;
  transition: border-color .25s, box-shadow .25s; resize: vertical;
}
textarea.qa-input:focus, .qa-form input.qa-title:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
.qa-form input.qa-title {
  width: 100%; padding: 12px 15px; border-radius: 10px; border: 1px solid var(--line-2);
  background: rgba(0, 0, 0, .25); color: #fff; font-size: 15px; margin-bottom: 14px; transition: border-color .25s, box-shadow .25s;
}
.qa-form {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; margin-top: 30px;
}
/* 下载区登录提示：紧凑居中 */
#dl-login-tip, #login-tip { max-width: 460px; margin-left: auto; margin-right: auto; padding: 20px 24px; }

/* ===== 文档入口页 ===== */
.doc-list { max-width: 860px; margin: 0 auto; }
.doc-item {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 30px; margin-bottom: 18px;
  transition: border-color .3s, box-shadow .3s;
}
.doc-item:hover { border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.doc-item .name { color: #fff; font-weight: 600; font-size: 16px; }
.doc-item .desc { color: var(--txt-dim); font-size: 13px; margin-top: 6px; }
.doc-item .get {
  flex-shrink: 0; color: var(--gold); font-size: 14px; font-weight: 600;
  border: 1px solid var(--gold-line); padding: 10px 22px; border-radius: 10px;
  background: var(--gold-soft); transition: all .25s var(--ease);
}
.doc-item .get:hover { background: var(--gold); color: #1a1405; }

/* ===== 联系卡 ===== */
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 860px; margin: 0 auto; }
.contact-cards .card {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; text-align: center;
  transition: border-color .3s, box-shadow .3s;
}
.contact-cards .card:hover { border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.contact-cards .k { color: var(--txt-dim); font-size: 13px; letter-spacing: 3px; }
.contact-cards .v { color: #fff; font-size: 18px; margin-top: 12px; word-break: break-all; }
.contact-cards a.v:hover { color: var(--gold); }

/* ===== 比较表 ===== */
table.cmp {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14px;
  box-shadow: var(--shadow-1);
}
table.cmp th, table.cmp td { padding: 14px 18px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); text-align: left; }
table.cmp th:last-child, table.cmp td:last-child { border-right: none; }
table.cmp tr:last-child td { border-bottom: none; }
table.cmp th { background: rgba(0, 0, 0, .3); color: #fff; font-weight: 600; letter-spacing: .03em; }
table.cmp td { color: var(--txt-dim); transition: background .2s; }
table.cmp tbody tr:hover td, table.cmp tr:hover td { background: rgba(242, 177, 0, .04); }
table.cmp td:first-child { color: var(--txt); font-weight: 600; }
table.cmp .yes { color: var(--green); }
table.cmp .no { color: var(--red); }
table.cmp .mid { color: #fbbf24; }
table.cmp td.us { color: #fff; }
table.cmp td.us .yes { color: var(--gold); font-weight: 600; }

/* ===== 痛点卡 ===== */
.pain { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain .card {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 16px; text-align: center;
  transition: transform .3s var(--ease), border-color .3s;
}
.pain .card:hover { transform: translateY(-4px); border-color: rgba(248, 113, 113, .4); }
.pain .card .n { color: var(--red); font-size: 32px; font-weight: 800; }
.pain .card .t { color: #fff; margin-top: 8px; font-weight: 600; }
.pain .card .d { color: var(--txt-dim); font-size: 13px; margin-top: 10px; }

/* ===== 步骤卡 ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps .step {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.steps .step:hover { transform: translateY(-5px); border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.steps .step .no { color: var(--gold); font-size: 36px; font-weight: 800; }
.steps .step h3 { color: #fff; margin: 10px 0 12px; font-size: 18px; }
.steps .step p { color: var(--txt-dim); font-size: 14px; }

/* ===== 四大卖点 ===== */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pillar {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px;
  transition: border-color .3s, box-shadow .3s;
}
.pillar:hover { border-color: var(--gold-line); box-shadow: var(--shadow-2); }
.pillar h3 { color: #fff; font-size: 19px; letter-spacing: .01em; }
.pillar h3 .tag {
  color: var(--gold); font-size: 13px; letter-spacing: 3px; margin-right: 12px;
  border: 1px solid var(--gold-line); background: var(--gold-soft);
  border-radius: 6px; padding: 3px 10px; vertical-align: 3px;
}
.pillar p { color: var(--txt-dim); font-size: 14px; margin-top: 12px; }
.pillar ul { list-style: none; margin-top: 14px; }
.pillar li { color: var(--txt-dim); font-size: 14px; padding: 7px 0 7px 20px; position: relative; }
.pillar li::before { content: ""; position: absolute; left: 0; top: 16px; width: 7px; height: 7px; border-radius: 2px; background: var(--gold); transform: rotate(45deg); }
.pillar li b, .pillar p b { color: var(--txt); }

/* ===== 可定制全景：底座 → 生长 → 产品 ===== */
.cm-goal {
  text-align: center; color: var(--gold); font-size: 18px; font-weight: 700; letter-spacing: .12em;
  border: 1px solid var(--gold-line); border-radius: 12px;
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  padding: 18px 20px; box-shadow: var(--shadow-1);
}
.cm-grow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 34px; }
.cm-grow .g {
  position: relative; background: rgba(0, 0, 0, .25); border: 1px solid var(--line);
  border-radius: 12px; padding: 22px 16px; text-align: center;
  transition: transform .3s var(--ease), border-color .3s;
}
.cm-grow .g::before {
  content: ""; position: absolute; top: -21px; left: 50%; transform: translateX(-50%);
  border: 8px solid transparent; border-bottom-color: var(--gold);
}
.cm-grow .g:hover { transform: translateY(-4px); border-color: var(--gold-line); }
.cm-grow .g .t { color: var(--gold); font-weight: 600; font-size: 14px; }
.cm-grow .g .k { color: var(--txt); font-size: 13px; font-weight: 600; margin-top: 10px; }
.cm-grow .g .d { color: var(--txt-dim); font-size: 12px; margin-top: 6px; line-height: 1.7; }
.cm-base {
  margin-top: 34px; border: 1px solid var(--gold-line); border-radius: 12px;
  background: rgba(0, 0, 0, .35); padding: 24px 26px;
}
.cm-base-title { text-align: center; color: var(--gold); font-size: 16px; font-weight: 700; letter-spacing: .04em; }
.cm-base-title span { color: var(--txt-dim); font-size: 13px; font-weight: 400; margin-left: 6px; }
.cm-layers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 18px; }
.cm-layer {
  text-align: center; border: 1px solid var(--line); border-radius: 10px;
  background: linear-gradient(180deg, var(--ink-3), var(--card)); padding: 16px 12px;
}
.cm-layer b { display: block; color: #fff; font-size: 14px; }
.cm-layer span { display: block; color: var(--txt-dim); font-size: 12px; margin-top: 6px; }

/* ===== CTA ===== */
.cta-band {
  text-align: center; padding: 110px 26px;
  background:
    radial-gradient(800px 320px at 50% 100%, rgba(242, 177, 0, .12), transparent 65%),
    linear-gradient(135deg, var(--ink-2), #171207);
  border-top: 1px solid var(--line);
}
.cta-band h2 { color: #fff; font-size: clamp(25px, 3.6vw, 40px); letter-spacing: .02em; }
.cta-band h2 em { color: var(--gold); font-style: normal; }
.cta-band p { color: var(--txt-dim); margin: 16px 0 34px; }

/* ===== 导航用户区 ===== */
.nav .btn-mini {
  border: 1px solid var(--gold-line); color: var(--gold); border-radius: 8px;
  padding: 7px 16px; font-size: 13px; background: var(--gold-soft);
  transition: all .25s var(--ease);
}
.nav .btn-mini:hover { background: var(--gold); color: #1a1405; }
#userbox { display: flex; gap: 16px; align-items: center; }
#userbox .who { color: var(--gold); font-size: 13px; }
#userbox a.out { color: var(--txt-dim); font-size: 13px; cursor: pointer; transition: color .25s; }
#userbox a.out:hover { color: var(--red); }

/* ===== 响应式 ===== */
@media (max-width: 1240px) {
  /* 痛点卡文案较长，4 列内宽不足时提前转 2 列，保证一行一句 */
  .pain { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .perf, .svc, .steps, .models, .dlv { grid-template-columns: 1fr; }
  .feat-grid, .pillars, .contact-cards { grid-template-columns: 1fr; }
  .adv, .pain { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .cm-grow { grid-template-columns: repeat(2, 1fr); }
  .cm-layers { grid-template-columns: 1fr; }
  .nav { gap: 18px; overflow-x: auto; }
  .nav::-webkit-scrollbar { display: none; }
  .section { padding: 70px 0; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .adv, .pain { grid-template-columns: 1fr; }
  .brand .cn { display: none; }
  .hero { padding-top: 120px; }
}

/* ===== 警示提示条 ===== */
.callout-red {
  margin-top: 40px; padding: 24px 28px;
  border: 1px solid rgba(248, 113, 113, .3); border-left: 4px solid var(--red);
  border-radius: 12px; background: rgba(248, 113, 113, .05);
}
.callout-red .callout-title { color: var(--red); font-weight: 600; font-size: 15px; margin-bottom: 12px; }
.callout-red .callout-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.callout-red .callout-items div { color: var(--txt-dim); font-size: 13px; line-height: 1.7; padding-left: 14px; position: relative; }
.callout-red .callout-items div b { display: block; color: var(--txt); font-weight: 600; }
.callout-red .callout-items div span { display: block; margin-top: 3px; }
.callout-red .callout-items div::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--red); }
@media (max-width: 960px) { .callout-red .callout-items { grid-template-columns: 1fr; } }

/* sec-head 引子行更聚焦 */
.sec-head p { max-width: 640px; }

/* ===== pillars 视觉化组件 ===== */
.pstats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 22px 0 18px; }
.pstat { text-align: center; background: rgba(0, 0, 0, .25); border: 1px solid var(--line); border-radius: 10px; padding: 18px 8px; }
.pstat .n { color: var(--gold); font-size: 34px; font-weight: 800; font-variant-numeric: tabular-nums; }
.pstat .t { color: var(--txt-dim); font-size: 12px; margin-top: 4px; }
.pbadges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.pbadges span { border: 1px solid var(--gold-line); background: var(--gold-soft); color: var(--gold); border-radius: 6px; padding: 4px 12px; font-size: 12px; font-weight: 600; }
.pnote { color: var(--txt-dim); font-size: 13px; margin-top: 14px; }

.pnums { margin-top: 16px; }
.pnum { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.pnum:last-child { border-bottom: none; }
.pnum .k { color: var(--gold); font-size: 20px; font-weight: 800; flex-shrink: 0; }
.pnum b { color: var(--txt); font-size: 14px; display: block; }
.pnum span { color: var(--txt-dim); font-size: 13px; }
.pmetric {
  margin-top: 16px; padding: 12px 18px; border-radius: 10px;
  background: var(--gold-soft); border: 1px solid var(--gold-line);
  color: var(--txt); font-size: 13px;
}
.pmetric b { color: var(--gold); font-size: 16px; }

.mtable { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 13px; }
.mtable th, .mtable td { padding: 9px 12px; border: 1px solid var(--line); text-align: left; }
.mtable th { background: rgba(0, 0, 0, .3); color: #fff; font-size: 12px; letter-spacing: .03em; }
.mtable td { color: var(--txt-dim); }
.mtable td.ok { color: var(--gold); font-weight: 600; }
.mtable td.no { color: var(--red); }
.mtable td.mid { color: #fbbf24; }

.stack { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.stack .layer { border-radius: 10px; padding: 12px 18px; border: 1px solid var(--gold-line); }
.stack .layer b { color: #fff; font-size: 14px; }
.stack .layer span { color: var(--txt-dim); font-size: 12px; margin-left: 10px; }
.stack .l1 { background: rgba(242, 177, 0, .22); }
.stack .l2 { background: rgba(242, 177, 0, .12); }
.stack .l3 { background: rgba(242, 177, 0, .05); }

/* ===== 模型覆盖视觉化 ===== */
.models .m { position: relative; }
.models .mico { font-size: 26px; margin-bottom: 10px; }
.models .mchips { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 12px; }
.models .mchips span {
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03);
  color: var(--txt-dim); border-radius: 6px; padding: 3px 10px; font-size: 12px;
  transition: border-color .25s, color .25s;
}
.models .m:hover .mchips span { border-color: var(--gold-line); }
.models .m-num { text-align: center; display: flex; flex-direction: column; justify-content: center; }
.models .m-num .n { color: var(--gold); font-size: 44px; font-weight: 800; font-variant-numeric: tabular-nums; }
.models .m-num .n span { font-size: 24px; }
.models .m-num h4 { margin-top: 4px; }
.models .m-num p { color: var(--txt-dim); font-size: 12px; margin-top: 6px; }

/* ===== v3 补回：模型/交付卡基础样式 ===== */
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.models .m {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: 12px; padding: 26px 24px;
  transition: transform .3s var(--ease), border-color .3s;
}
.models .m:hover { transform: translateY(-4px); border-color: var(--gold-line); }
.models .m h4 { color: #fff; font-size: 16px; }
.models .m > p { color: var(--txt-dim); font-size: 13px; margin-top: 8px; }

.dlv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dlv .d {
  background: linear-gradient(180deg, var(--ink-3), var(--card));
  border: 1px solid var(--line); border-radius: 12px; padding: 26px 24px;
  transition: border-color .3s;
}
.dlv .d:hover { border-color: var(--gold-line); }
.dlv .d h4 { color: var(--gold); font-size: 15px; }
.dlv .d p { color: var(--txt-dim); font-size: 13px; margin-top: 10px; }