/* ==========================================================================
   6P 企业自运管理咨询 — 官网样式系统
   设计基调：简约大气 / 深墨蓝 + 香槟金 / 宋体标题 + 无衬线正文
   零外部依赖，可直接部署至宝塔静态目录
   ========================================================================== */

:root {
  /* 主色 */
  --navy-900: #08192c;
  --navy-800: #0e2a47;
  --navy-700: #143a5e;
  --navy-600: #1b4a75;
  --blue-600: #1b6fb5;
  --blue-500: #2e86c8;
  --blue-100: #e8f2fa;

  /* 点缀 */
  --gold-600: #b8901f;
  --gold-500: #c9a227;
  --gold-400: #dcb851;
  --gold-100: #fbf5e4;

  /* 中性 */
  --ink: #16202b;
  --ink-2: #35424f;
  --muted: #64748b;
  --line: #e4e9ef;
  --line-soft: #f0f3f7;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-dark: #0b1f36;

  /* 语义色 */
  --ok: #1f9d6b;
  --warn: #d97706;
  --err: #cf3b3b;

  /* 尺寸 */
  --radius-s: 6px;
  --radius: 10px;
  --radius-l: 18px;
  --shadow-s: 0 1px 2px rgba(9, 30, 55, .05), 0 2px 8px rgba(9, 30, 55, .04);
  --shadow: 0 4px 14px rgba(9, 30, 55, .06), 0 12px 34px rgba(9, 30, 55, .06);
  --shadow-l: 0 18px 50px rgba(9, 30, 55, .12);
  --container: 1180px;

  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.28; }

/* ---------- 工具类 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1320px; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hide { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- 排版 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: .22em; font-weight: 600;
  color: var(--gold-600); text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--gold-500); display: block;
}
.eyebrow.center::after {
  content: ""; width: 26px; height: 2px; background: var(--gold-500); display: block;
}
.sec-title {
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: .01em;
  color: var(--navy-900);
}
.sec-title .hl { color: var(--blue-600); }
.sec-sub {
  margin-top: 16px; font-size: 17px; color: var(--muted); max-width: 760px; line-height: 1.85;
}
.center .sec-sub { margin-left: auto; margin-right: auto; }
.body-text { color: var(--ink-2); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 26px; border-radius: var(--radius-s);
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--navy-800); color: #fff; box-shadow: var(--shadow-s); }
.btn-primary:hover { background: var(--navy-700); box-shadow: var(--shadow); }
.btn-gold { background: var(--gold-500); color: #241c00; }
.btn-gold:hover { background: var(--gold-400); box-shadow: var(--shadow); }
.btn-ghost { border-color: rgba(255,255,255,.42); color: #fff; background: rgba(255,255,255,.04); }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.7); }
.btn-outline { border-color: var(--line); color: var(--navy-800); background: #fff; }
.btn-outline:hover { border-color: var(--navy-600); background: var(--bg-soft); }
.btn-block { width: 100%; }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ==========================================================================
   顶部导航
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(145deg, var(--navy-700), var(--navy-900));
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(201,162,39,.5), transparent 62%);
}
.brand-mark span {
  position: relative; z-index: 1; color: #fff; font-family: var(--serif);
  font-size: 19px; font-weight: 800; letter-spacing: -.02em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.18; }
.brand-name {
  font-family: var(--serif); font-size: 18px; font-weight: 800; color: var(--navy-900);
  letter-spacing: .01em; white-space: nowrap;
}
.brand-tag { font-size: 10.5px; color: var(--muted); letter-spacing: .24em; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  display: block; padding: 8px 13px; border-radius: var(--radius-s);
  font-size: 14.5px; font-weight: 500; color: var(--ink-2); position: relative;
  white-space: nowrap;
  transition: color .18s ease, background .18s ease;
}
.nav a:hover { color: var(--navy-800); background: var(--bg-soft); }
.nav a.active { color: var(--navy-900); font-weight: 700; }
.nav a.active::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 2px;
  height: 2px; background: var(--gold-500); border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  background: #fff; border-radius: var(--radius-s); cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--navy-800); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--navy-800);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 16px 18px; box-shadow: var(--shadow);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 14px; }
  .nav a.active::after { display: none; }
  .nav a.active { background: var(--blue-100); }
  .header-actions .btn-ghost-dark { display: none; }
}
@media (max-width: 560px) {
  .brand-tag { display: none; }
  .brand-name { font-size: 16px; }
  .header-inner { height: 66px; }
  .nav { top: 66px; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 620px at 82% -10%, rgba(46,134,200,.36), transparent 62%),
    radial-gradient(820px 520px at 6% 108%, rgba(201,162,39,.20), transparent 60%),
    linear-gradient(160deg, #071628 0%, var(--navy-800) 52%, #103757 100%);
  color: #fff;
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.08fr .92fr;
  gap: 56px; align-items: center;
  padding: 92px 0 96px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px 7px 11px; border-radius: 999px;
  background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.18);
  font-size: 13px; letter-spacing: .06em; color: rgba(255,255,255,.9);
  margin-bottom: 24px;
}
.hero-badge i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold-400);
  box-shadow: 0 0 0 4px rgba(220,184,81,.20);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(31px, 4.5vw, 54px);
  line-height: 1.24; letter-spacing: .01em; margin-bottom: 8px;
}
.hero h1 .gold { color: var(--gold-400); }
.hero h1 .thin { font-weight: 400; opacity: .92; }
.hero-lead {
  margin-top: 22px; font-size: 17.5px; line-height: 1.92;
  color: rgba(255,255,255,.76); max-width: 560px;
}
.hero-cta { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  margin-top: 52px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.14);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.hero-stat b {
  display: block; font-family: var(--serif); font-size: 30px; color: #fff; line-height: 1.1;
}
.hero-stat b i { font-style: normal; font-size: 15px; color: var(--gold-400); margin-left: 3px; }
.hero-stat span { font-size: 12.5px; color: rgba(255,255,255,.6); letter-spacing: .04em; }

/* Hero 右侧 6P 轮盘 */
.hero-visual { position: relative; display: grid; place-items: center; }
.wheel-wrap {
  position: relative; width: min(100%, 460px); aspect-ratio: 1;
  animation: floaty 9s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.wheel-wrap svg { width: 100%; height: 100%; overflow: visible; }
.wheel-seg { transition: transform .3s ease, filter .3s ease; transform-origin: 250px 250px; cursor: pointer; }
.wheel-seg:hover { filter: brightness(1.12); }
.wheel-center-t {
  font-family: var(--serif); fill: var(--navy-900); font-weight: 800;
}
.wheel-label { font-family: var(--sans); font-weight: 700; fill: #fff; }

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 62px 0 70px; }
  .hero-visual { max-width: 380px; margin: 0 auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 22px 14px; }
}
@media (max-width: 560px) {
  .hero-stats { margin-top: 38px; }
  .hero-stat b { font-size: 25px; }
  .hero-cta .btn { flex: 1 1 100%; }
}

/* ==========================================================================
   通用区块
   ========================================================================== */
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-dark .sec-title { color: #fff; }
.section-dark .sec-sub { color: rgba(255,255,255,.66); }
.section-head { max-width: 820px; }
.section-head.center { margin: 0 auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

/* 栅格 */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1180px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 68px 0; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

/* ---------- 卡片 ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 30px 28px; transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d8e2ee; }
.card-num {
  font-family: var(--serif); font-size: 26px; font-weight: 800; color: var(--gold-500);
  line-height: 1; margin-bottom: 16px;
}
.card h3 { font-size: 19px; color: var(--navy-900); margin-bottom: 10px; font-family: var(--serif); }
.card p { color: var(--muted); font-size: 15px; margin: 0; line-height: 1.8; }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: var(--blue-100); color: var(--blue-600); margin-bottom: 18px;
}
.card-icon svg { width: 24px; height: 24px; }

/* 痛点卡 */
.pain-card {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--err);
  border-radius: var(--radius); padding: 26px 26px 24px;
}
.pain-card .tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: var(--err); background: #fdf0f0; padding: 3px 10px; border-radius: 4px; margin-bottom: 12px;
}
.pain-card h3 { font-size: 17.5px; margin-bottom: 8px; color: var(--navy-900); }
.pain-card p { font-size: 14.5px; color: var(--muted); margin: 0; line-height: 1.8; }

/* ---------- 6P 模块详情 ---------- */
.p-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 1000px) { .p-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .p-grid { grid-template-columns: 1fr; } }

.p-card {
  border: 1px solid var(--line); border-radius: var(--radius-l); background: #fff;
  padding: 0; overflow: hidden; display: flex; flex-direction: column;
  transition: transform .24s ease, box-shadow .24s ease;
}
.p-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-l); }
.p-head {
  padding: 20px 24px; display: flex; align-items: center; gap: 14px; color: #fff;
  position: relative; overflow: hidden;
}
.p-head::after {
  content: ""; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px;
  border-radius: 50%; background: rgba(255,255,255,.13);
}
.p-head .idx {
  font-family: var(--serif); font-size: 22px; font-weight: 800; letter-spacing: -.01em;
  position: relative; z-index: 1;
}
.p-head .nm { font-size: 17px; font-weight: 700; position: relative; z-index: 1; }
.p-head .fn { margin-left: auto; font-size: 12.5px; opacity: .85; position: relative; z-index: 1; }
.p-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.p-quote {
  font-family: var(--serif); font-size: 15.5px; color: var(--navy-800);
  padding-left: 13px; border-left: 3px solid var(--gold-500); margin-bottom: 16px; line-height: 1.7;
}
.p-desc { font-size: 14.5px; color: var(--muted); line-height: 1.85; margin: 0 0 18px; flex: 1; }
.p-tools { display: flex; flex-wrap: wrap; gap: 7px; }
.p-tools i {
  font-style: normal; font-size: 12.5px; color: var(--navy-700);
  background: var(--bg-soft); border: 1px solid var(--line);
  padding: 3px 9px; border-radius: 5px;
}
.p-meta {
  margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line);
  display: flex; flex-direction: column; gap: 6px;
}
.p-meta span { font-size: 12.8px; color: var(--muted); line-height: 1.65; }
.p-meta b {
  color: var(--gold-600); font-weight: 700; margin-right: 6px;
  font-size: 12px; letter-spacing: .04em;
}
.c1 { background: linear-gradient(135deg, #4a9fd8, #2b7cb8); }.c2 { background: linear-gradient(135deg, #f0913f, #dd7521); }
.c3 { background: linear-gradient(135deg, #2fb98a, #17976c); }
.c4 { background: linear-gradient(135deg, #7a63c9, #5a44ab); }
.c5 { background: linear-gradient(135deg, #f2c534, #dcae13); }
.c6 { background: linear-gradient(135deg, #35bfd6, #189bb3); }

/* ---------- 自运营流程条 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
@media (max-width: 900px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .flow { grid-template-columns: 1fr; } }
.flow-item {
  position: relative; padding: 22px 20px; border-radius: var(--radius);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13);
  transition: background .22s ease, transform .22s ease;
}
.flow-item:hover { background: rgba(255,255,255,.12); transform: translateY(-3px); }
.flow-item .k {
  font-family: var(--serif); font-size: 13px; font-weight: 800; letter-spacing: .1em;
  color: var(--gold-400); margin-bottom: 8px;
}
.flow-item h4 { font-size: 16px; color: #fff; margin-bottom: 7px; }
.flow-item p { font-size: 13px; color: rgba(255,255,255,.6); margin: 0; line-height: 1.7; }

/* 浅色区块中的 flow-item（白底深字） */
.flow-item.light {
  background: #fff; border-color: var(--line);
  box-shadow: 0 1px 2px rgba(15,32,54,.04);
}
.flow-item.light:hover { background: var(--bg-soft); border-color: var(--blue-100); }
.flow-item.light .k { color: var(--gold-600); }
.flow-item.light h4 { color: var(--navy-900); }
.flow-item.light p { color: var(--muted); }

/* ---------- 服务流程时间轴（浅色） ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 27px; left: 9%; right: 9%; height: 2px;
  background: linear-gradient(90deg, var(--blue-100), var(--blue-500), var(--blue-100));
}
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); gap: 26px 12px; } .steps::before { display: none; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step { text-align: center; position: relative; padding: 0 10px; }
.step .dot {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 16px;
  background: #fff; border: 2px solid var(--blue-500); color: var(--blue-600);
  display: grid; place-items: center; font-family: var(--serif);
  font-size: 20px; font-weight: 800; position: relative; z-index: 2;
  box-shadow: 0 0 0 6px #fff;
}
.step h4 { font-size: 16px; color: var(--navy-900); margin-bottom: 7px; }
.step p { font-size: 13.5px; color: var(--muted); margin: 0; line-height: 1.75; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.tb { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.5px; }
table.tb th, table.tb td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line-soft); }
table.tb th {
  background: var(--bg-soft); color: var(--navy-800); font-weight: 700; font-size: 13.5px;
  letter-spacing: .04em; white-space: nowrap;
}
table.tb tbody tr:last-child td { border-bottom: none; }
table.tb tbody tr:hover { background: #fafcfe; }
table.tb .k { color: var(--navy-800); font-weight: 600; white-space: nowrap; }
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12.5px;
  font-weight: 700; background: var(--gold-100); color: var(--gold-600);
}
.badge-blue { background: var(--blue-100); color: var(--blue-600); }
.badge-ok { background: #e7f7f0; color: var(--ok); }

/* ---------- 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } }
.checklist li {
  display: flex; gap: 12px; padding: 9px 0; color: var(--ink-2); font-size: 15.5px;
  border-bottom: 1px dashed var(--line);
}
.checklist li:last-child { border-bottom: none; }
.checklist li svg { flex-shrink: 0; margin-top: 5px; color: var(--ok); }
.checklist li b { color: var(--navy-900); }

/* ---------- 数据看板 ---------- */
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px) { .metric-row { grid-template-columns: repeat(2, 1fr); } }
.metric {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 28px 24px; text-align: center;
}
.metric b {
  display: block; font-family: var(--serif); font-size: 38px; color: var(--navy-800); line-height: 1;
}
.metric b i { font-style: normal; font-size: 17px; color: var(--gold-500); }
.metric span { display: block; margin-top: 10px; font-size: 13.5px; color: var(--muted); }

/* ---------- CTA 条 ---------- */
.cta-band {
  background:
    radial-gradient(700px 400px at 88% 10%, rgba(46,134,200,.34), transparent 62%),
    linear-gradient(120deg, #0a1d33, #14456e);
  color: #fff; border-radius: var(--radius-l); padding: 52px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.cta-band h3 { font-family: var(--serif); font-size: 27px; margin-bottom: 10px; }
.cta-band p { margin: 0; color: rgba(255,255,255,.72); font-size: 15.5px; max-width: 620px; }
@media (max-width: 720px) { .cta-band { padding: 36px 26px; } }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.62); padding: 68px 0 0; font-size: 14.5px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 46px; padding-bottom: 48px; }
@media (max-width: 980px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-tag { color: rgba(255,255,255,.42); }
.footer-brand p { margin: 20px 0 0; line-height: 1.85; font-size: 14px; color: rgba(255,255,255,.55); }
.footer-col h5 {
  color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .04em;
  font-family: var(--serif);
}
.footer-col li { margin-bottom: 11px; }
.footer-col a:hover { color: var(--gold-400); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 13px; line-height: 1.7; }
.footer-contact svg { flex-shrink: 0; margin-top: 4px; color: var(--gold-500); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255,255,255,.42);
}
.footer-bottom a:hover { color: var(--gold-400); }
.icp a { color: rgba(255,255,255,.42); }

/* ==========================================================================
   表单 / 登录
   ========================================================================== */
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block; font-size: 14px; font-weight: 600; color: var(--navy-800); margin-bottom: 8px;
}
.form-row label .req { color: var(--err); margin-left: 3px; }
.input, .textarea, .select {
  width: 100%; height: 48px; padding: 0 15px; border: 1px solid var(--line);
  border-radius: var(--radius-s); background: #fff; font-size: 15px;
  transition: border-color .18s ease, box-shadow .18s ease; outline: none;
}
.textarea { height: auto; min-height: 128px; padding: 13px 15px; resize: vertical; line-height: 1.75; }
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(46,134,200,.14);
}
.input.err, .textarea.err { border-color: var(--err); }
.field-msg { font-size: 12.5px; color: var(--err); margin-top: 6px; min-height: 17px; }
.form-tip { font-size: 13px; color: var(--muted); }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 560px) { .form-grid-2 { grid-template-columns: 1fr; } }

.auth-wrap {
  min-height: calc(100vh - 76px); display: grid; grid-template-columns: 1fr 1fr;
}
@media (max-width: 900px) { .auth-wrap { grid-template-columns: 1fr; } .auth-side { display: none; } }
.auth-side {
  position: relative; overflow: hidden; color: #fff; padding: 66px 58px;
  display: flex; flex-direction: column; justify-content: center;
  background:
    radial-gradient(760px 520px at 78% 12%, rgba(46,134,200,.34), transparent 60%),
    radial-gradient(600px 460px at 8% 96%, rgba(201,162,39,.24), transparent 62%),
    linear-gradient(150deg, #071628, #10375a);
}
.auth-side::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 40% 40%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 40% 40%, #000, transparent 76%);
}
.auth-side > * { position: relative; z-index: 1; }
.auth-side h2 { font-family: var(--serif); font-size: 34px; line-height: 1.35; margin-bottom: 20px; }
.auth-side p { color: rgba(255,255,255,.7); font-size: 15.5px; line-height: 1.9; }
.auth-side ul { margin-top: 34px; }
.auth-side li {
  display: flex; gap: 11px; align-items: flex-start; padding: 8px 0; font-size: 15px;
  color: rgba(255,255,255,.82);
}
.auth-side li svg { flex-shrink: 0; margin-top: 5px; color: var(--gold-400); }
.auth-main { display: grid; place-items: center; padding: 60px 24px; }
.auth-box { width: 100%; max-width: 404px; }
.auth-box h1 { font-family: var(--serif); font-size: 29px; color: var(--navy-900); margin-bottom: 8px; }
.auth-box .sub { color: var(--muted); font-size: 14.5px; margin: 0 0 30px; }
.tabs { display: flex; gap: 6px; background: var(--bg-soft); padding: 5px; border-radius: var(--radius-s); margin-bottom: 26px; }
.tabs button {
  flex: 1; height: 40px; border: none; background: transparent; border-radius: 6px;
  font-size: 14.5px; font-weight: 600; color: var(--muted); cursor: pointer; transition: all .18s ease;
}
.tabs button.on { background: #fff; color: var(--navy-800); box-shadow: var(--shadow-s); }
.auth-alt { margin-top: 22px; font-size: 14px; color: var(--muted); text-align: center; }
.auth-alt a { color: var(--blue-600); font-weight: 600; }
.alert {
  border-radius: var(--radius-s); padding: 12px 15px; font-size: 14px; margin-bottom: 18px;
  border: 1px solid; display: flex; gap: 10px; align-items: flex-start;
}
.alert svg { flex-shrink: 0; margin-top: 3px; }
.alert-ok { background: #e7f7f0; border-color: #b6e6d1; color: #10694a; }
.alert-err { background: #fdf0f0; border-color: #f3c9c9; color: #a32828; }
.alert-info { background: var(--blue-100); border-color: #c4def0; color: #14547f; }

/* 会员中心 */
.dash-head {
  background: linear-gradient(150deg, #08192c, #10375a); color: #fff; padding: 52px 0 46px;
}
.dash-head h1 { font-family: var(--serif); font-size: 30px; margin-bottom: 8px; }
.dash-head p { margin: 0; color: rgba(255,255,255,.64); font-size: 15px; }
.dash-meta { margin-top: 26px; display: flex; gap: 34px; flex-wrap: wrap; }
.dash-meta div span { display: block; font-size: 12.5px; color: rgba(255,255,255,.5); }
.dash-meta div b { font-size: 17px; font-weight: 600; }
.dash-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 32px; flex-wrap: wrap; }
.dash-tabs button {
  border: none; background: none; padding: 14px 18px; font-size: 15px; font-weight: 600;
  color: var(--muted); cursor: pointer; position: relative;
}
.dash-tabs button.on { color: var(--navy-900); }
.dash-tabs button.on::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: -1px; height: 2px; background: var(--gold-500);
}
.empty {
  text-align: center; padding: 62px 20px; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--radius-l); background: var(--bg-soft);
}
.empty svg { margin: 0 auto 16px; color: #b9c6d4; }

/* 资源下载列表 */
.res-list li {
  display: flex; align-items: center; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line-soft);
}
.res-list li:last-child { border-bottom: none; }
.res-ico {
  width: 42px; height: 42px; border-radius: 9px; background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center; flex-shrink: 0;
}
.res-list b { display: block; color: var(--navy-900); font-size: 15px; }
.res-list small { color: var(--muted); font-size: 13px; }

/* 联系方式卡 */
.contact-card {
  display: flex; gap: 16px; padding: 24px; border: 1px solid var(--line);
  border-radius: var(--radius-l); background: #fff; align-items: flex-start;
}
.contact-card .ico {
  width: 46px; height: 46px; border-radius: 11px; flex-shrink: 0; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--navy-700), var(--navy-900)); color: #fff;
}
.contact-card h4 { font-size: 15.5px; color: var(--navy-900); margin-bottom: 5px; }
.contact-card p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.75; word-break: break-all; }
.contact-card a { color: var(--blue-600); font-weight: 600; }

/* 团队 */
.team-card { text-align: center; }
.avatar {
  width: 92px; height: 92px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center;
  font-family: var(--serif); font-size: 32px; font-weight: 800; color: #fff;
  background: linear-gradient(145deg, var(--navy-700), var(--navy-900));
  box-shadow: 0 0 0 6px #fff, 0 0 0 7px var(--line);
}
.team-card h4 { font-size: 17px; color: var(--navy-900); margin-bottom: 4px; }
.team-card .role { font-size: 13.5px; color: var(--gold-600); font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.8; }

/* 引言块 */
.quote-block {
  border-left: 4px solid var(--gold-500); background: var(--gold-100);
  padding: 26px 30px; border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--serif); font-size: 17px; color: var(--navy-800); line-height: 1.9;
}
.quote-block cite { display: block; margin-top: 12px; font-size: 13.5px; color: var(--muted); font-style: normal; font-family: var(--sans); }

/* 图片展示 */
.figure {
  border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line);
  background: #fff; box-shadow: var(--shadow-s);
}
.figure img { width: 100%; height: 100%; object-fit: cover; }
.figure figcaption { padding: 14px 20px; font-size: 13.5px; color: var(--muted); border-top: 1px solid var(--line-soft); }

/* 锚点导航 */
.anchor-nav {
  position: sticky; top: 76px; z-index: 40; background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.anchor-nav ul { display: flex; gap: 6px; overflow-x: auto; padding: 10px 0; }
.anchor-nav a {
  display: block; padding: 7px 15px; border-radius: 999px; font-size: 14px;
  color: var(--muted); white-space: nowrap; transition: all .18s ease;
}
.anchor-nav a:hover { background: var(--bg-soft); color: var(--navy-800); }

/* 滚动动画
   仅在 <html> 带有 .js 类时才隐藏元素——保证未执行 JS 的环境
   （搜索引擎抓取、脚本报错）仍然能看到完整内容。 */
.js .reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .wheel-wrap { animation: none; }
  html { scroll-behavior: auto; }
}

/* 返回顶部 */
.to-top {
  position: fixed; right: 26px; bottom: 30px; width: 46px; height: 46px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  display: grid; place-items: center; cursor: pointer; color: var(--navy-800);
  opacity: 0; pointer-events: none; transition: opacity .25s ease, transform .25s ease; z-index: 50;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }

/* Toast */
#toast-host {
  position: fixed; left: 50%; bottom: 42px; transform: translateX(-50%);
  z-index: 200; display: flex; flex-direction: column; gap: 10px; align-items: center;
  pointer-events: none;
}
.toast {
  background: rgba(11,31,54,.95); color: #fff; padding: 12px 22px; border-radius: 999px;
  font-size: 14.5px; box-shadow: var(--shadow-l); animation: toastIn .28s ease;
  max-width: 88vw; text-align: center;
}
.toast.ok { background: rgba(16,105,74,.96); }
.toast.err { background: rgba(163,40,40,.96); }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ==========================================================================
   内页页头
   ========================================================================== */
.page-hero {
  position: relative; overflow: hidden; color: #fff;
  padding: 78px 0 72px;
  background:
    radial-gradient(900px 520px at 84% -12%, rgba(46,134,200,.34), transparent 62%),
    radial-gradient(620px 420px at 4% 112%, rgba(201,162,39,.20), transparent 62%),
    linear-gradient(150deg, #071628, var(--navy-800) 58%, #103757);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; opacity: .45;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 30% 40%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 30% 40%, #000, transparent 76%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: var(--serif); font-size: clamp(27px, 3.8vw, 42px);
  line-height: 1.34; max-width: 880px;
}
.page-hero p {
  margin: 20px 0 0; max-width: 720px; font-size: 16.5px; line-height: 1.9;
  color: rgba(255,255,255,.72);
}
.breadcrumb {
  display: flex; align-items: center; gap: 9px; font-size: 13.5px;
  color: rgba(255,255,255,.5); margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--gold-400); }
.breadcrumb span:last-child { color: rgba(255,255,255,.82); }

/* 演进阶段 */
.evo-item {
  padding: 16px 18px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--bg-soft); margin-bottom: 12px; position: relative;
}
.evo-item:last-child { margin-bottom: 0; }
.evo-item.active { background: var(--blue-100); border-color: #c4def0; }
.evo-era {
  display: inline-block; font-size: 12px; letter-spacing: .08em; color: var(--muted);
  margin-bottom: 6px;
}
.evo-item b { display: block; font-size: 16.5px; color: var(--navy-900); font-family: var(--serif); }
.evo-item i {
  display: block; font-style: normal; font-size: 14px; color: var(--ink-2); margin-top: 5px;
}
.evo-item em {
  display: block; font-style: normal; font-size: 13px; color: var(--err); margin-top: 8px;
  padding-top: 8px; border-top: 1px dashed var(--line);
}
.evo-item.active em { color: var(--ok); }

/* 使命卡 */
.mission-card {
  border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.05);
  border-radius: var(--radius-l); padding: 32px 28px;
  transition: background .22s ease, transform .22s ease;
}
.mission-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); }
.mission-card .m-label {
  display: inline-block; font-size: 11.5px; letter-spacing: .18em; font-weight: 700;
  color: var(--gold-400); margin-bottom: 16px;
}
.mission-card h3 { font-family: var(--serif); font-size: 19px; line-height: 1.55; color: #fff; margin-bottom: 14px; }
.mission-card p { margin: 0; font-size: 14.5px; line-height: 1.85; color: rgba(255,255,255,.66); }

/* 五项修炼 */
.disc {
  border: 1px solid var(--line); background: #fff; border-radius: var(--radius-l);
  padding: 30px 26px; transition: transform .24s ease, box-shadow .24s ease;
}
.disc:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.disc-no {
  font-family: var(--serif); font-size: 15px; font-weight: 800; letter-spacing: .12em;
  color: var(--gold-500); margin-bottom: 14px;
}
.disc h4 { font-size: 18px; color: var(--navy-900); font-family: var(--serif); margin-bottom: 10px; }
.disc p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.85; }

/* ==========================================================================
   产品服务页专用
   ========================================================================== */
.product-block {
  border: 1px solid var(--line); border-radius: var(--radius-l); background: #fff;
  overflow: hidden; margin-bottom: 30px;
}
.product-head {
  padding: 34px 38px 30px; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
}
.product-head::after {
  content: ""; position: absolute; right: -70px; top: -70px; width: 240px; height: 240px;
  border-radius: 50%; background: rgba(255,255,255,.06);
}
.product-head .ptag {
  display: inline-block; font-size: 11.5px; letter-spacing: .16em; font-weight: 700;
  color: var(--navy-900); background: var(--gold-400); padding: 3px 11px; border-radius: 4px;
  margin-bottom: 14px; position: relative; z-index: 1;
}
.product-head h3 {
  font-family: var(--serif); font-size: clamp(22px, 2.6vw, 29px); margin-bottom: 12px;
  position: relative; z-index: 1;
}
.product-head p { margin: 0; color: rgba(255,255,255,.72); font-size: 15.5px; max-width: 800px; position: relative; z-index: 1; }
.product-head .price {
  margin-top: 20px; display: inline-flex; align-items: baseline; gap: 6px;
  font-family: var(--serif); font-size: 15px; color: var(--gold-400);
  border-top: 1px solid rgba(255,255,255,.16); padding-top: 16px; position: relative; z-index: 1;
}
.product-head .price b { font-size: 27px; color: #fff; }
.product-body { padding: 32px 38px 36px; }
@media (max-width: 640px) {
  .product-head { padding: 26px 22px; }
  .product-body { padding: 24px 22px 28px; }
}
.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 26px; }
@media (max-width: 860px) { .spec-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .spec-grid { grid-template-columns: 1fr; } }
.spec {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px;
}
.spec span { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; letter-spacing: .04em; }
.spec b { font-size: 15.5px; color: var(--navy-900); }

.mod-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (max-width: 720px) { .mod-list { grid-template-columns: 1fr; } }
.mod-list li {
  display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2);
  padding: 10px 14px; background: var(--bg-soft); border-radius: var(--radius-s);
  border: 1px solid var(--line-soft);
}
.mod-list li i {
  font-style: normal; font-weight: 700; color: var(--blue-600); flex-shrink: 0;
  font-family: var(--serif); min-width: 24px;
}

/* 价格表 */
.price-note {
  font-size: 13px; color: var(--muted); margin-top: 14px; line-height: 1.8;
  padding: 14px 18px; background: var(--bg-soft); border-radius: var(--radius-s);
  border-left: 3px solid var(--gold-500);
}

/* ==========================================================================
   案例卡 / FAQ
   ========================================================================== */
.case-card {
  border: 1px solid var(--line); border-radius: var(--radius-l); background: #fff;
  overflow: hidden; transition: transform .24s ease, box-shadow .24s ease;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-l); }
.case-top { padding: 26px 28px 22px; border-bottom: 1px solid var(--line-soft); background: var(--bg-soft); }
.case-tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .06em;
  color: var(--blue-600); background: var(--blue-100); padding: 3px 11px; border-radius: 4px;
  margin-bottom: 12px;
}
.case-top h3 { font-family: var(--serif); font-size: 18.5px; color: var(--navy-900); line-height: 1.5; }
.case-body { padding: 24px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.case-pain, .case-do { font-size: 14.5px; line-height: 1.88; margin: 0 0 16px; color: var(--ink-2); }
.case-pain b { color: var(--err); }
.case-do b { color: var(--ok); }
.case-res { margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--line); }
.case-res li {
  position: relative; padding-left: 20px; font-size: 14px; color: var(--navy-700);
  margin-bottom: 8px; line-height: 1.7;
}
.case-res li:last-child { margin-bottom: 0; }
.case-res li::before {
  content: "▲"; position: absolute; left: 0; top: 1px; font-size: 10px; color: var(--gold-500);
}

.faq details {
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  margin-bottom: 12px; overflow: hidden; transition: border-color .2s ease;
}
.faq details[open] { border-color: #c9dcee; box-shadow: var(--shadow-s); }
.faq summary {
  padding: 19px 24px; cursor: pointer; font-size: 16px; font-weight: 600;
  color: var(--navy-900); list-style: none; display: flex; align-items: center; gap: 12px;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+"; font-family: var(--serif); font-size: 21px; color: var(--gold-500);
  width: 20px; flex-shrink: 0; line-height: 1; font-weight: 400;
}
.faq details[open] summary::before { content: "−"; }
.faq details p {
  margin: 0; padding: 0 24px 21px 56px; font-size: 14.8px; color: var(--muted); line-height: 1.9;
}
@media (max-width: 560px) {
  .faq summary { padding: 16px 18px; font-size: 15px; }
  .faq details p { padding: 0 18px 18px 46px; }
}

/* 地图占位 */
.map-box {
  height: 250px; border-radius: var(--radius-l); overflow: hidden; position: relative;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(14,42,71,.045) 1px, transparent 1px) 0 0 / 30px 30px,
    linear-gradient(90deg, rgba(14,42,71,.045) 1px, transparent 1px) 0 0 / 30px 30px,
    linear-gradient(140deg, #eef4f9, #f7fafc);
}
.map-inner {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 9px; text-align: center; padding: 20px;
}
.map-inner b { font-family: var(--serif); font-size: 17px; color: var(--navy-900); }
.map-inner span { font-size: 13px; color: var(--muted); max-width: 340px; line-height: 1.7; }

/* ==========================================================================
   会员中心 · 效率日志
   ========================================================================== */
.score-card {
  margin-top: 28px; border-radius: var(--radius-l); padding: 30px 28px; color: #fff;
  background:
    radial-gradient(420px 260px at 88% 6%, rgba(201,162,39,.28), transparent 62%),
    linear-gradient(140deg, var(--navy-800), #0d2f4d);
}
.score-num { font-family: var(--serif); font-size: 52px; line-height: 1; }
.score-num i { font-style: normal; font-size: 17px; color: rgba(255,255,255,.5); margin-left: 6px; }
.score-label { margin-top: 8px; font-size: 13.5px; color: rgba(255,255,255,.62); letter-spacing: .06em; }
.score-bar {
  margin-top: 20px; height: 8px; border-radius: 999px; background: rgba(255,255,255,.16); overflow: hidden;
}
.score-bar span {
  display: block; height: 100%; width: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-400));
  transition: width .45s cubic-bezier(.22,.61,.36,1);
}
.score-tip { margin-top: 16px; font-size: 14px; line-height: 1.75; color: rgba(255,255,255,.8); }

.kw-row {
  display: grid; grid-template-columns: 1fr 130px 34px; gap: 14px; align-items: center;
  padding: 11px 0; border-bottom: 1px dashed var(--line);
}
.kw-row:last-of-type { border-bottom: none; }
.kw-name b { display: block; font-size: 15px; color: var(--navy-900); }
.kw-name small { font-size: 12px; color: var(--muted); }
.kw-val {
  font-family: var(--serif); font-size: 19px; font-weight: 800; color: var(--navy-800);
  text-align: right;
}
.kw-range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 999px;
  background: var(--line); outline: none; cursor: pointer;
}
.kw-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 19px; height: 19px; border-radius: 50%;
  background: #fff; border: 2px solid var(--blue-500); cursor: pointer;
  box-shadow: 0 1px 4px rgba(9,30,55,.2);
}
.kw-range::-moz-range-thumb {
  width: 17px; height: 17px; border-radius: 50%; background: #fff;
  border: 2px solid var(--blue-500); cursor: pointer;
}
@media (max-width: 520px) {
  .kw-row { grid-template-columns: 1fr 90px 30px; gap: 10px; }
}

.hist-row {
  display: grid; grid-template-columns: 92px 1fr 74px; gap: 12px; align-items: center;
  padding: 9px 0; font-size: 13.5px;
}
.hist-date { color: var(--muted); }
.hist-score { text-align: right; color: var(--navy-800); font-weight: 600; }
.hist-bar { height: 6px; border-radius: 999px; background: var(--line-soft); overflow: hidden; }
.hist-bar i {
  display: block; height: 100%; background: var(--blue-500); border-radius: 999px;
}
.hist-bar i.ok { background: linear-gradient(90deg, #2fb98a, #1f9d6b); }

/* 打印 */
@media print {
  .site-header, .site-footer, .to-top, .cta-band { display: none; }
}

/* ==================== 创始人证书展示 ==================== */
.cert-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.cert-item {
  margin: 0; background: #fff; border: 1px solid var(--line-soft); border-radius: 14px;
  overflow: hidden; box-shadow: 0 6px 22px rgba(9,30,55,.08);
  transition: transform .25s ease, box-shadow .25s ease; cursor: zoom-in;
}
.cert-item:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(9,30,55,.14); }
.cert-item img {
  display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; object-position: top center;
  background: #f4f1ea;
}
.cert-item figcaption {
  padding: 12px 14px; font-size: 12.5px; line-height: 1.7; color: var(--muted);
  border-top: 1px solid var(--line-soft);
}
.cert-item figcaption b { color: var(--navy-900); font-size: 13.5px; }

.cert-lightbox {
  position: fixed; inset: 0; z-index: 9999; display: none;
  background: rgba(4,18,31,.86); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 5vh 5vw; cursor: zoom-out;
}
.cert-lightbox.open { display: flex; }
.cert-lightbox img {
  max-width: 100%; max-height: 90vh; border-radius: 10px;
  box-shadow: 0 24px 80px rgba(0,0,0,.5); background: #fff;
}
.cert-lightbox-close {
  position: absolute; top: 18px; right: 28px; font-size: 42px; line-height: 1;
  color: #fff; opacity: .8; cursor: pointer; user-select: none;
}
.cert-lightbox-close:hover { opacity: 1; }
@media (max-width: 760px) {
  .cert-grid { grid-template-columns: 1fr; }
}