@charset "utf-8";
/* ==========================================================================
   菁脉（上海）企业管理有限公司 — 官方网站样式系统
   色彩与字阶对齐《菁脉企业简介》PPT 设计规范 DESIGN.md
   主色 #0F2A47 深蓝夜色 / 辅色 #2F6F8F 钢青 / 强调 #C9A227 琥珀金
   ========================================================================== */

:root {
  /* 主色系 */
  --brand-900: #0A1E33;
  --brand-800: #0F2A47;
  --brand-700: #16385C;
  --brand-600: #1F4E79;
  --brand-500: #2F6F8F;
  --brand-400: #4A8CAA;
  --brand-300: #7FB0C6;
  --brand-100: #DCEAEF;
  --brand-50: #EFF5F8;

  /* 强调色 */
  --gold-600: #A8861C;
  --gold-500: #C9A227;
  --gold-400: #DCBB55;
  --gold-100: #F5EBCF;

  /* 中性色 */
  --ink-900: #111C2B;
  --ink-700: #1A2333;
  --ink-500: #3D4A5C;
  --ink-400: #5C6B7E;
  --ink-300: #7C8AA0;
  --ink-200: #AFBBC8;
  --line: #DFE6EC;
  --line-soft: #EDF2F6;
  --bg-soft: #F4F7FA;
  --white: #FFFFFF;

  /* 字阶 */
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", system-ui, sans-serif;
  --font-num: "Bahnschrift", "DIN Alternate", "Segoe UI", var(--font-sans);

  /* 间距与圆角 */
  --gap-1: 8px;
  --gap-2: 16px;
  --gap-3: 24px;
  --gap-4: 40px;
  --gap-5: 64px;
  --gap-6: 96px;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(15, 42, 71, 0.06);
  --shadow: 0 4px 20px rgba(15, 42, 71, 0.10);
  --shadow-lg: 0 16px 48px rgba(15, 42, 71, 0.16);

  /* 布局 */
  --container: 1200px;
  --nav-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink-900);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

p {
  margin: 0 0 1em;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: var(--gap-6) 0;
}

.section--soft {
  background: var(--bg-soft);
}

.section--brand {
  background: linear-gradient(135deg, var(--brand-800) 0%, var(--brand-500) 100%);
  color: rgba(255, 255, 255, 0.88);
}

.section--brand h2,
.section--brand h3 {
  color: var(--white);
}

.section-head {
  margin-bottom: var(--gap-5);
}

.section-head--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: var(--gap-5);
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: var(--gap-2);
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--gold-500);
}

.section-title {
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.28;
}

.section-lead {
  font-size: 16px;
  color: var(--ink-400);
  max-width: 46ch;
  margin: 0;
}

.section--brand .section-lead {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 品牌印章 ---------- */
.seal {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--gold-500);
  color: var(--gold-500);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.1;
  text-align: center;
  border-radius: var(--radius-sm);
  flex: none;
}

.seal--sm {
  width: 34px;
  height: 34px;
  font-size: 11px;
}

.seal--lg {
  width: 56px;
  height: 56px;
  font-size: 16px;
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.nav.is-stuck {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.95);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__cn {
  font-size: 19px;
  font-weight: 700;
  color: var(--brand-800);
  letter-spacing: 0.06em;
}

.brand__en {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-300);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav__links a {
  position: relative;
  font-size: 15px;
  color: var(--ink-500);
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav__links a:hover,
.nav__links a[aria-current="page"] {
  color: var(--brand-800);
}

.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  padding: 0;
  place-items: center;
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--brand-800);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: relative;
}

.nav__toggle span::before {
  top: -6px;
}

.nav__toggle span::after {
  top: 4px;
}

.nav__toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav__toggle[aria-expanded="true"] span::before {
  transform: translateY(6px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span::after {
  transform: translateY(-4px) rotate(-45deg);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 30px;
  border: 0;
  border-radius: 999px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease,
    color 0.2s ease;
}

.btn--primary {
  background: var(--gold-500);
  color: var(--brand-900);
  box-shadow: 0 8px 24px rgba(201, 162, 39, 0.28);
}

.btn--primary:hover {
  background: var(--gold-400);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(201, 162, 39, 0.36);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.42);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--brand-800);
  border: 1px solid var(--brand-300);
}

.btn--outline:hover {
  background: var(--brand-50);
  border-color: var(--brand-500);
  transform: translateY(-2px);
}

.btn__arrow {
  font-size: 17px;
  line-height: 1;
  transition: transform 0.25s ease;
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 80px) 0 96px;
  background: var(--brand-900);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url("../img/hero-team.jpg");
  background-size: cover;
  background-position: center 28%;
  opacity: 0.42;
}

.hero__mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      104deg,
      rgba(10, 30, 51, 0.95) 0%,
      rgba(15, 42, 71, 0.88) 42%,
      rgba(15, 42, 71, 0.62) 72%,
      rgba(15, 42, 71, 0.42) 100%
    );
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--gap-5);
  align-items: center;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  letter-spacing: 0.06em;
  margin-bottom: var(--gap-3);
}

.hero__title {
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.16;
  color: var(--white);
  letter-spacing: 0.02em;
  margin-bottom: var(--gap-3);
}

.hero__title em {
  display: block;
  font-style: normal;
  color: var(--gold-400);
}

.hero__desc {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.76);
  max-width: 42ch;
  margin-bottom: var(--gap-4);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-2);
}

/* Hero 右侧数据带 */
.factband {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(6px);
}

.factband__row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: var(--gap-2);
  align-items: baseline;
  padding: 20px 26px;
  background: rgba(10, 30, 51, 0.72);
  transition: background 0.25s ease;
}

.factband__row:hover {
  background: rgba(22, 56, 92, 0.86);
}

.factband__k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
}

.factband__v {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.02em;
}

.factband__v small {
  font-weight: 400;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  margin-left: 4px;
}

/* ---------- 数据速览 ---------- */
.statgrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat {
  background: var(--white);
  padding: 36px 30px;
  transition: background 0.25s ease;
}

.stat:hover {
  background: var(--brand-50);
}

.stat__num {
  display: block;
  font-family: var(--font-num);
  font-size: 46px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--brand-800);
  letter-spacing: -0.01em;
}

.stat__num small {
  font-size: 17px;
  font-weight: 600;
  margin-left: 3px;
  color: var(--ink-400);
}

.stat__num--gold {
  color: var(--gold-600);
}

.stat__label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-400);
}

.stat__note {
  display: block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-300);
}

/* ---------- 通用卡片 ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--gap-3);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--brand-100);
}

.card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: var(--gap-2);
}

.card__idx {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold-600);
}

.card__title {
  font-size: 19px;
}

.card__body {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-400);
  margin: 0;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--gap-2);
  padding-top: var(--gap-2);
  border-top: 1px solid var(--line-soft);
}

.tag {
  font-size: 12px;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-600);
  letter-spacing: 0.03em;
}

.tag--gold {
  background: var(--gold-100);
  color: var(--gold-600);
}

/* ---------- 服务板块（非对称 60:40） ---------- */
.asplit {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: var(--gap-5);
  align-items: start;
}

.asplit--flip {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
}

.asplit__figure {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.asplit__figure img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  /* HTML 已带 width/height，这里用 aspect-ratio 兜住，避免 CSS 覆盖后仍抖动 */
  aspect-ratio: var(--img-ratio, 3 / 2);
}

.asplit__figure figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 40px 28px 22px;
  background: linear-gradient(transparent, rgba(10, 30, 51, 0.88));
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  line-height: 1.7;
}

.stack {
  display: grid;
  gap: var(--gap-3);
}

.stack--tight {
  gap: var(--gap-2);
}

/* ---------- 优势网格 ---------- */
.featuregrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-3);
}

.feature {
  padding: 34px 30px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.feature:hover {
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(201, 162, 39, 0.45);
}

.feature__idx {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  color: rgba(201, 162, 39, 0.72);
  line-height: 1;
  margin-bottom: var(--gap-2);
}

.feature__title {
  font-size: 18px;
  color: var(--white);
  margin-bottom: 10px;
}

.feature__body {
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

/* ---------- 流程 ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap-3);
  counter-reset: step;
}

.flow__item {
  position: relative;
  padding-top: 26px;
  border-top: 2px solid var(--line);
}

.flow__item::after {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: -14px;
  left: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  background: var(--brand-800);
  border-radius: 50%;
}

.flow__title {
  font-size: 17px;
  margin-bottom: 8px;
}

.flow__body {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-400);
  margin: 0;
}

/* ---------- 时间轴 ---------- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--brand-500) 0%,
    var(--brand-300) 60%,
    var(--gold-500) 100%
  );
}

.timeline__item {
  position: relative;
  padding-bottom: var(--gap-4);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -40px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--brand-500);
  box-shadow: 0 0 0 4px var(--bg-soft);
}

.timeline__item--now::before {
  border-color: var(--gold-500);
}

.timeline__year {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  color: var(--brand-800);
  line-height: 1.1;
}

.timeline__item--now .timeline__year {
  color: var(--gold-600);
}

.timeline__title {
  font-size: 17px;
  margin: 6px 0 8px;
}

.timeline__body {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-400);
  margin: 0;
  max-width: 62ch;
}

/* ---------- 工商信息表 ---------- */
.infact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--gap-4);
  border-top: 1px solid var(--line);
}

.infact__row {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: var(--gap-2);
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
}

.infact__row--full {
  grid-column: 1 / -1;
}

.infact__k {
  color: var(--ink-300);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.infact__v {
  color: var(--ink-900);
  font-weight: 500;
  word-break: break-all;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge--ok {
  background: rgba(31, 142, 96, 0.1);
  color: #1f7a52;
}

.badge--ok::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2aa06a;
}

/* ---------- 联系 ---------- */
.contactwrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: var(--gap-5);
  align-items: start;
}

.contactlist {
  display: grid;
  gap: var(--gap-3);
}

.contactlist__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--gap-2);
  align-items: start;
}

.contactlist__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--gold-100);
  color: var(--gold-600);
}

.contactlist__k {
  font-size: 13px;
  color: var(--ink-300);
  letter-spacing: 0.08em;
}

.contactlist__v {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  line-height: 1.6;
  word-break: break-all;
}

.contactlist__note {
  font-size: 13px;
  color: var(--ink-300);
  margin: 2px 0 0;
}

.copybtn {
  margin-top: 10px;
  padding: 6px 16px;
  border: 1px solid var(--brand-300);
  border-radius: 999px;
  background: var(--white);
  color: var(--brand-600);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.copybtn:hover {
  background: var(--brand-50);
  border-color: var(--brand-500);
}

.copybtn.is-done {
  background: rgba(31, 142, 96, 0.1);
  border-color: rgba(31, 142, 96, 0.35);
  color: #1f7a52;
}

/* ---------- 邮件标题写法提示 ---------- */
.mailtip {
  padding: 22px 26px;
  border-radius: var(--radius);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
}

.mailtip__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--brand-800);
  line-height: 1.6;
  margin-bottom: 14px;
}

.mailtip__badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--gold-500);
  color: var(--brand-900);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  flex: none;
}

.mailtip__list {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.mailtip__list li {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand-400);
}

.mailtip__list code {
  font-family: var(--font-num);
  font-size: 13.5px;
  color: var(--ink-700);
  word-break: break-word;
}

.mailtip__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-400);
}

/* 表单 */
.form {
  padding: var(--gap-4);
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap-2);
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: var(--gap-2);
}

.field__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-500);
  letter-spacing: 0.04em;
}

.field__label i {
  font-style: normal;
  color: var(--gold-600);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink-900);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.field textarea {
  min-height: 118px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  background: var(--white);
  border-color: var(--brand-400);
  box-shadow: 0 0 0 3px rgba(47, 111, 143, 0.12);
}

.form__foot {
  display: flex;
  align-items: center;
  gap: var(--gap-2);
  margin-top: var(--gap-3);
}

.form__hint {
  font-size: 13px;
  color: var(--ink-300);
  margin: 0;
}

.form__status {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  background: rgba(31, 142, 96, 0.1);
  color: #1f7a52;
  font-size: 14px;
  margin-bottom: var(--gap-2);
}

.form__status.is-on {
  display: flex;
}

#formFallback {
  line-height: 1.9;
}

#formFallback a {
  color: var(--brand-600);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.fallback__text {
  display: block;
  margin-top: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-500);
  word-break: break-word;
}

/* ---------- CTA 条 ---------- */
.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--gap-4);
  align-items: center;
  padding: 52px 60px;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--brand-800) 0%, var(--brand-500) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.14);
}

.cta__title {
  font-size: clamp(22px, 2.6vw, 32px);
  color: var(--white);
  margin-bottom: 12px;
}

.cta__body {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
  margin: 0;
  max-width: 52ch;
}

.cta__actions {
  position: relative;
  z-index: 2;
  display: flex;
  gap: var(--gap-2);
  flex-wrap: wrap;
}

/* ---------- 页脚 ---------- */
.footer {
  background: var(--brand-900);
  color: rgba(255, 255, 255, 0.66);
  padding: var(--gap-5) 0 28px;
  font-size: 14px;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: var(--gap-4);
  padding-bottom: var(--gap-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer .brand__cn {
  color: var(--white);
}

.footer__intro {
  margin: var(--gap-2) 0 0;
  line-height: 1.85;
  max-width: 40ch;
}

.footer__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.1em;
  margin-bottom: var(--gap-2);
}

.footer__links {
  display: grid;
  gap: 10px;
}

.footer__links a {
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--gold-400);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-2);
  padding-top: var(--gap-3);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.46);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

/* ---------- 备案标注（工信部要求：须在显著位置标明并链接备案系统）---------- */
.beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.62);
  transition: color 0.2s ease;
}

.beian:hover {
  color: var(--gold-400);
}

.beian__mark {
  width: 13px;
  height: 13px;
  flex: none;
  opacity: 0.85;
}

/* ---------- 页面头（内页） ---------- */
.pagehead {
  position: relative;
  padding: calc(var(--nav-h) + 76px) 0 76px;
  background: linear-gradient(120deg, var(--brand-800) 0%, var(--brand-500) 100%);
  color: rgba(255, 255, 255, 0.78);
  overflow: hidden;
}

.pagehead::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.12);
}

.pagehead__inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.pagehead__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.56);
  margin-bottom: var(--gap-2);
}

.pagehead__crumb a:hover {
  color: var(--gold-400);
}

.pagehead__title {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--white);
  margin-bottom: var(--gap-2);
}

.pagehead__lead {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.76);
  margin: 0;
}

/* ---------- 服务详情条目 ---------- */
.svcitem {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px;
  gap: var(--gap-3);
  align-items: start;
  padding: var(--gap-3) 0;
  border-top: 1px solid var(--line);
}

.svcitem:first-child {
  border-top: 0;
  padding-top: 0;
}

.svcitem__title {
  font-size: 20px;
  margin-bottom: 10px;
}

.svcitem__body {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-400);
  margin: 0;
  max-width: 68ch;
}

.svcitem__num {
  font-family: var(--font-num);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: var(--brand-100);
  text-align: right;
}

.svcitem:hover .svcitem__num {
  color: var(--gold-400);
}

/* ---------- FAQ ---------- */
.faq {
  display: grid;
  gap: var(--gap-2);
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq details[open] {
  border-color: var(--brand-300);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-2);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--gold-600);
  line-height: 1;
  transition: transform 0.25s ease;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq__body {
  padding: 0 26px 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-400);
  margin: 0;
}

/* ---------- 提示条 ---------- */
.notice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--gap-2);
  align-items: start;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-500);
}

.notice strong {
  color: var(--brand-800);
}

/* ---------- 动效 ---------- */
/*关键：.reveal 的初始隐藏态只在 JS 已接管时才生效。
   若脚本未加载或中途报错，元素必须保持可见，否则整页白屏。
   JS 会在接管后给 <html> 加 .js-on，再由下面的规则启用动画。 */
.js-on .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.js-on .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* 脚本接管前的极短窗口内先隐藏，避免与入场动画闪烁 */
html.js-pending .reveal {
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js-on .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .section-head--split,
  .hero__grid,
  .asplit,
  .asplit--flip,
  .contactwrap {
    grid-template-columns: minmax(0, 1fr);
  }
  .section-lead {
    max-width: 100%;
  }
  .asplit__figure img {
    min-height: 300px;
  }
  .featuregrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .statgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  :root {
    --gap-6: 72px;
  }
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 22px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav__links.is-open {
    transform: none;
  }
  .nav__links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 16px;
  }
  .nav__links a::after {
    display: none;
  }
  .nav__toggle {
    display: grid;
  }
  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap-3);
  }
  .infact {
    grid-template-columns: minmax(0, 1fr);
  }
  .cta {
    grid-template-columns: minmax(0, 1fr);
    padding: 40px 30px;
  }
  .footer__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--gap-3);
  }
  .svcitem {
    grid-template-columns: minmax(0, 1fr) 60px;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 20px;
  }
  .featuregrid,
  .statgrid,
  .flow,
  .form__row {
    grid-template-columns: minmax(0, 1fr);
  }
  .stat {
    padding: 28px 24px;
  }
  .hero {
    min-height: auto;
    padding-bottom: 64px;
  }
  .factband__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 16px 20px;
  }
  .timeline {
    padding-left: 30px;
  }
  .timeline__item::before {
    left: -30px;
  }
  .infact__row {
    grid-template-columns: 92px minmax(0, 1fr);
    font-size: 14px;
  }
  .form {
    padding: var(--gap-3);
  }
  .svcitem {
    grid-template-columns: minmax(0, 1fr);
  }
  .svcitem__num {
    text-align: left;
    font-size: 30px;
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .nav,
  .cta,
  .btn {
    display: none !important;
  }
  body {
    color: #000;
  }
  .section {
    padding: 24px 0;
  }
}