/* ==========================================================================
   文德福临 · 企业官网样式表
   主题：科技人文 · 深蓝暖金
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计变量
   -------------------------------------------------------------------------- */
:root {
  /* 主色：深海军蓝 —— 专业、稳重、大气 */
  --c-primary: #0f3d70;
  --c-primary-dark: #0a2b52;
  --c-primary-deep: #071d38;
  --c-primary-light: #1d5fa8;
  --c-primary-soft: #e8f0fa;

  /* 点缀色：暖金 —— 文化底蕴与人文温度 */
  --c-accent: #c8a96a;
  --c-accent-strong: #a8863f;
  --c-accent-soft: #f7f1e4;

  /* 中性色 */
  --c-ink: #101a2c;
  --c-text: #3b4a61;
  --c-muted: #6d7c92;
  --c-line: #e4e9f1;
  --c-line-strong: #d3dbe7;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f8fc;

  /* 渐变 */
  --g-primary: linear-gradient(135deg, #0f3d70 0%, #1d5fa8 100%);
  --g-hero: linear-gradient(160deg, #071d38 0%, #0f3d70 52%, #124a86 100%);
  --g-gold: linear-gradient(120deg, #d8bd85 0%, #c8a96a 45%, #a8863f 100%);

  /* 排版 */
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;

  /* 尺寸 */
  --container: 1200px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  /* 阴影 */
  --sh-sm: 0 4px 14px rgba(16, 26, 44, 0.06);
  --sh-md: 0 12px 32px rgba(16, 26, 44, 0.08);
  --sh-lg: 0 26px 60px rgba(9, 37, 71, 0.14);

  /* 动效 */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.32s;

  /* 布局 */
  --header-h: 76px;
}

/* --------------------------------------------------------------------------
   2. 基础重置
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--c-primary-light);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

a:hover {
  color: var(--c-primary);
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0 0 0.6em;
  color: var(--c-ink);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.1rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 1.15rem + 1.4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.12rem, 1rem + 0.5vw, 1.35rem);
}

h4 {
  font-size: 1.05rem;
}

p {
  margin: 0 0 1.1em;
}

ul,
ol {
  margin: 0 0 1.1em;
  padding-left: 1.25em;
}

li {
  margin-bottom: 0.4em;
}

hr {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: 3rem 0;
}

::selection {
  background: var(--c-primary);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--c-primary-light);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 12px 20px;
  background: var(--c-primary);
  color: #fff;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

/* --------------------------------------------------------------------------
   3. 布局工具类
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: clamp(56px, 7vw, 104px) 0;
  position: relative;
}

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

.section--deep {
  background: var(--g-hero);
  color: rgba(255, 255, 255, 0.82);
}

.section--deep h2,
.section--deep h3,
.section--deep h4 {
  color: #fff;
}

.section-head {
  max-width: 780px;
  margin: 0 auto clamp(34px, 4.4vw, 60px);
  text-align: center;
}

.section-head--left {
  margin-left: 0;
  text-align: left;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-accent-strong);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--g-gold);
  border-radius: 2px;
}

.section--deep .eyebrow {
  color: var(--c-accent);
}

.section-head p {
  margin: 0;
  color: var(--c-muted);
  font-size: 1.03rem;
}

.section--deep .section-head p {
  color: rgba(255, 255, 255, 0.72);
}

.grid {
  display: grid;
  gap: 22px;
}

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

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   4. 按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.btn svg {
  width: 17px;
  height: 17px;
  flex: none;
}

.btn--primary {
  background: var(--g-primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 61, 112, 0.24);
}

.btn--primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(15, 61, 112, 0.3);
}

.btn--gold {
  background: var(--g-gold);
  color: #402f0c;
  box-shadow: 0 10px 24px rgba(168, 134, 63, 0.26);
}

.btn--gold:hover {
  color: #33240a;
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(168, 134, 63, 0.34);
}

.btn--ghost {
  background: #fff;
  color: var(--c-primary);
  border-color: var(--c-line-strong);
}

.btn--ghost:hover {
  color: var(--c-primary);
  border-color: var(--c-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--sh-sm);
}

.btn--outline-light {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
}

.btn--outline-light:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

.btn--block {
  width: 100%;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 0.93rem;
}

.link-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--dur) var(--ease);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   5. 顶部导航
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--c-line);
  box-shadow: 0 4px 20px rgba(16, 26, 44, 0.05);
  background: rgba(255, 255, 255, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand__logo {
  width: 42px;
  height: 42px;
  flex: none;
}

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

.brand__name {
  font-size: 1.19rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-ink);
}

.brand__slogan {
  font-size: 0.63rem;
  letter-spacing: 0.22em;
  color: var(--c-muted);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  position: relative;
  padding: 10px 15px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-text);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 5px;
  height: 2px;
  border-radius: 2px;
  background: var(--g-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.main-nav a:hover {
  color: var(--c-primary);
}

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

.main-nav a[aria-current="page"] {
  color: var(--c-primary);
  font-weight: 600;
}

.header-cta {
  flex: none;
}

/* 移动端抽屉内的按钮，桌面端隐藏 */
.nav-drawer-cta {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-ink);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-ink);
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

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

.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--g-hero);
  color: rgba(255, 255, 255, 0.86);
  padding: clamp(60px, 8.5vw, 122px) 0 clamp(72px, 9vw, 132px);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.13) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 90% 70% at 72% 22%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 72% 22%, #000 0%, transparent 72%);
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  width: 700px;
  height: 700px;
  right: -220px;
  top: -280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 169, 106, 0.3) 0%, transparent 62%);
  z-index: -1;
}

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(34px, 5vw, 68px);
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px 7px 12px;
  margin-bottom: 22px;
  border: 1px solid rgba(200, 169, 106, 0.42);
  border-radius: var(--radius-pill);
  background: rgba(200, 169, 106, 0.12);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: #f0dfbc;
}

.hero__badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(200, 169, 106, 0.2);
}

.hero h1 {
  color: #fff;
  margin-bottom: 22px;
}

.hero h1 em {
  font-style: normal;
  background: var(--g-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 34em;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.1rem);
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 30px;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 0;
  margin: 0 0 34px;
  list-style: none;
}

.hero__tags li {
  margin: 0;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.86);
}

.hero__panel {
  position: relative;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 30px 70px rgba(4, 16, 33, 0.36);
}

.hero__panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.hero__panel-title strong {
  font-size: 1rem;
  color: #fff;
  letter-spacing: 0.04em;
}

.hero__panel-title span {
  font-size: 0.74rem;
  color: var(--c-accent);
  letter-spacing: 0.12em;
}

.hero__list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  padding: 13px 15px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.88);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.hero__list li:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.hero__list svg {
  width: 19px;
  height: 19px;
  flex: none;
  margin-top: 3px;
  color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   7. 数据条
   -------------------------------------------------------------------------- */
.stats {
  position: relative;
  z-index: 3;
  margin-top: clamp(-54px, -4vw, -34px);
}

.stats__inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--c-line);
  box-shadow: var(--sh-lg);
}

.stats__item {
  padding: 30px 22px;
  background: #fff;
  text-align: center;
}

.stats__num {
  display: block;
  font-size: clamp(1.7rem, 1.3rem + 1.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: var(--g-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats__label {
  display: block;
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   8. 通用卡片
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 28px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.card:hover {
  transform: translateY(-5px);
  border-color: #c6d5e8;
  box-shadow: var(--sh-md);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background: var(--c-primary-soft);
  color: var(--c-primary);
}

.card__icon--gold {
  background: var(--c-accent-soft);
  color: var(--c-accent-strong);
}

.card__icon svg {
  width: 25px;
  height: 25px;
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  margin-bottom: 0;
  color: var(--c-muted);
  font-size: 0.94rem;
}

.card__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.card__list li {
  position: relative;
  margin: 0;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--c-text);
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.section--deep .card {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.78);
}

.section--deep .card:hover {
  border-color: rgba(200, 169, 106, 0.5);
  background: rgba(255, 255, 255, 0.09);
}

.section--deep .card__icon {
  background: rgba(200, 169, 106, 0.16);
  color: var(--c-accent);
}

.section--deep .card p {
  color: rgba(255, 255, 255, 0.66);
}

.section--deep .card__list li {
  color: rgba(255, 255, 255, 0.78);
}

/* --------------------------------------------------------------------------
   9. 产品卡
   -------------------------------------------------------------------------- */
.product-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 26px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: #c6d5e8;
  box-shadow: var(--sh-md);
}

.product-card__badge {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: var(--c-primary-soft);
  color: var(--c-primary);
}

.product-card__badge--gold {
  background: var(--c-accent-soft);
  color: var(--c-accent-strong);
}

.product-card__badge--plan {
  background: #eef1f5;
  color: var(--c-muted);
}

.product-card h3 {
  margin: 0;
}

.product-card > p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.93rem;
}

.product-card__foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  font-size: 0.88rem;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   10. 业务分类块
   -------------------------------------------------------------------------- */
.biz-block {
  padding: clamp(30px, 3.6vw, 54px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: #fff;
}

.biz-block + .biz-block {
  margin-top: 26px;
}

.biz-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding-bottom: 24px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--c-line);
}

.biz-block__no {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-accent-strong);
}

.biz-block__head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.28rem, 1.1rem + 0.7vw, 1.62rem);
}

.biz-block__head p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.96rem;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.service-item {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--c-bg-soft);
  border: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.service-item:hover {
  background: #fff;
  border-color: var(--c-line);
}

.service-item svg {
  width: 21px;
  height: 21px;
  flex: none;
  margin-top: 3px;
  color: var(--c-primary-light);
}

.service-item strong {
  display: block;
  margin-bottom: 3px;
  color: var(--c-ink);
  font-size: 0.97rem;
}

.service-item span {
  font-size: 0.87rem;
  color: var(--c-muted);
  line-height: 1.65;
}

.service-item span a {
  margin-left: 2px;
  font-weight: 600;
  color: var(--c-primary);
  white-space: nowrap;
  border-bottom: 1px dashed var(--c-accent);
}

.service-item span a:hover {
  color: var(--c-accent-strong);
}

/* --------------------------------------------------------------------------
   11. 流程步骤
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--c-line);
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--g-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--c-muted);
}

.section--deep .step {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.section--deep .step p {
  color: rgba(255, 255, 255, 0.66);
}

/* --------------------------------------------------------------------------
   12. 时间线
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  padding-left: 34px;
  list-style: none;
  margin: 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-primary-light), var(--c-accent), transparent);
}

.timeline > li {
  position: relative;
  margin: 0;
  padding-bottom: 30px;
}

.timeline > li:last-child {
  padding-bottom: 0;
}

.timeline > li::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--c-primary-light);
}

.timeline > li.is-now::before {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(200, 169, 106, 0.2);
}

.timeline__phase {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.timeline > li.is-now .timeline__phase {
  background: var(--c-accent-soft);
  color: var(--c-accent-strong);
}

.timeline h3 {
  font-size: 1.06rem;
  margin-bottom: 8px;
}

.timeline p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   13. 分栏 / 关于我们
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}

.split--top {
  align-items: start;
}

.prose > *:last-child {
  margin-bottom: 0;
}

.prose p {
  font-size: 1rem;
}

.prose strong {
  color: var(--c-ink);
}

.quote {
  position: relative;
  padding: 26px 30px 26px 34px;
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--c-bg-soft);
}

.quote p {
  margin: 0;
  font-size: 1.02rem;
  color: var(--c-ink);
  font-weight: 500;
}

.quote cite {
  display: block;
  margin-top: 12px;
  font-size: 0.86rem;
  font-style: normal;
  color: var(--c-muted);
}

.value-card {
  padding: 28px 26px;
  border-radius: var(--radius-lg);
  background: var(--c-bg-soft);
  border: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.value-card:hover {
  background: #fff;
  border-color: var(--c-line);
  transform: translateY(-4px);
}

.value-card__k {
  display: block;
  margin-bottom: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-ink);
}

.value-card__k::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 10px;
  background: var(--g-gold);
  border-radius: 2px;
}

.value-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--c-muted);
}

/* 优势列表 */
.adv-list {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.adv-list li {
  display: flex;
  gap: 16px;
  margin: 0;
}

.adv-list svg {
  width: 22px;
  height: 22px;
  flex: none;
  margin-top: 4px;
  color: var(--c-accent-strong);
}

.adv-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--c-ink);
}

.adv-list p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   14. 页面头部（内页 Banner）
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 7vw, 96px) 0 clamp(44px, 5.4vw, 76px);
  background: var(--g-hero);
  color: rgba(255, 255, 255, 0.8);
  isolation: isolate;
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -180px;
  top: -240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 169, 106, 0.26) 0%, transparent 62%);
  z-index: -1;
}

.page-hero h1 {
  color: #fff;
  margin-bottom: 16px;
}

.page-hero p {
  max-width: 46em;
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.03rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  padding: 0;
  margin: 0 0 20px;
  list-style: none;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb li {
  margin: 0;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.78);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 9px;
  color: rgba(255, 255, 255, 0.36);
}

/* --------------------------------------------------------------------------
   15. 表单
   -------------------------------------------------------------------------- */
.form-card {
  padding: clamp(26px, 3.4vw, 44px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--sh-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-ink);
}

.field label .req {
  color: #cf4b3f;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--c-ink);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.field textarea {
  min-height: 132px;
  resize: vertical;
  line-height: 1.7;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--c-primary-light);
  box-shadow: 0 0 0 4px rgba(29, 95, 168, 0.14);
}

.field input:user-invalid,
.field textarea:user-invalid {
  border-color: #cf4b3f;
}

.field__hint {
  font-size: 0.82rem;
  color: var(--c-muted);
}

.form-note {
  margin: 18px 0 0;
  font-size: 0.84rem;
  color: var(--c-muted);
}

.form-status {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--c-accent-soft);
  border: 1px solid rgba(168, 134, 63, 0.32);
  font-size: 0.92rem;
  color: #6b5316;
}

.form-status.is-visible {
  display: block;
}

.contact-list {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.contact-list li {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 20px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #fff;
}

.contact-list svg {
  width: 22px;
  height: 22px;
  flex: none;
  margin-top: 3px;
  color: var(--c-primary);
}

.contact-list strong {
  display: block;
  margin-bottom: 3px;
  color: var(--c-ink);
  font-size: 0.95rem;
}

.contact-list span,
.contact-list a {
  font-size: 0.93rem;
  color: var(--c-muted);
  word-break: break-all;
}

.contact-list a:hover {
  color: var(--c-primary);
}

/* 微信号（可点击复制） */
.wechat-id {
  display: inline-block;
  padding: 1px 4px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--c-primary);
  letter-spacing: 0.02em;
  border-bottom: 1px dashed var(--c-accent);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.wechat-id:hover {
  color: var(--c-accent-strong);
  border-bottom-color: var(--c-accent-strong);
}

.wechat-id.is-copied {
  color: var(--c-accent-strong);
  border-bottom-style: solid;
}

/* 微信二维码 */
.wechat-qr {
  display: block;
  width: 136px;
  height: 136px;
  margin-top: 14px;
  padding: 7px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--sh-sm);
}

.contact-list .wechat-qr__hint {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--c-muted);
  word-break: normal;
}

/* 页脚微信号（深蓝底 → 白字） */
.footer-contact .wechat-id {
  font-size: 0.87rem;
  color: rgba(255, 255, 255, 0.92);
  border-bottom-color: rgba(255, 255, 255, 0.34);
}

.footer-contact .wechat-id:hover,
.footer-contact .wechat-id.is-copied {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

/* --------------------------------------------------------------------------
  15.1 表格
  -------------------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.table th,
.table td {
  padding: 15px 22px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}

.table thead th {
  background: var(--c-bg-soft);
  color: var(--c-ink);
  font-weight: 600;
  white-space: nowrap;
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

.table tbody tr:hover {
  background: #fafcfe;
}

.table td strong {
  display: block;
  margin-bottom: 3px;
  color: var(--c-ink);
}

.table td span {
  color: var(--c-muted);
  font-size: 0.87rem;
}

.table .table__tag {
  display: inline-block;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 0.76rem;
  font-weight: 600;
  white-space: nowrap;
}

.table .table__tag--gold {
  background: var(--c-accent-soft);
  color: var(--c-accent-strong);
}

.table__scroll-hint {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--c-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   16. FAQ
   -------------------------------------------------------------------------- */
.faq {
  display: grid;
  gap: 14px;
}

.faq details {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.faq details[open] {
  border-color: #c6d5e8;
  box-shadow: var(--sh-sm);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--c-ink);
  font-size: 0.99rem;
  list-style: none;
}

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

.faq summary::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--c-muted);
  border-bottom: 2px solid var(--c-muted);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
  margin-top: -4px;
}

.faq details[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.faq .faq__body {
  padding: 0 24px 22px;
  font-size: 0.94rem;
  color: var(--c-muted);
}

.faq .faq__body p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   17. CTA 区块
   -------------------------------------------------------------------------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 6vw, 84px) 0;
  background: var(--g-hero);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  isolation: isolate;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(ellipse 70% 90% at 50% 50%, #000 0%, transparent 74%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 50% 50%, #000 0%, transparent 74%);
  z-index: -1;
}

.cta h2 {
  color: #fff;
}

.cta p {
  max-width: 40em;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, 0.74);
}

.cta .btn-group {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   18. 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  padding: clamp(46px, 5vw, 72px) 0 0;
  background: var(--c-primary-deep);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 34px;
  padding-bottom: 42px;
}

.site-footer h3 {
  margin-bottom: 16px;
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.62);
}

.site-footer a:hover {
  color: var(--c-accent);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand .brand__logo {
  width: 40px;
  height: 40px;
}

.footer-brand .brand__name {
  color: #fff;
}

.footer-brand .brand__slogan {
  color: rgba(255, 255, 255, 0.5);
}

.footer-slogan {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.footer-links {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-links li {
  margin: 0;
}

.footer-contact {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-contact li {
  margin: 0;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   19. 回到顶部
   -------------------------------------------------------------------------- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  background: #fff;
  color: var(--c-primary);
  box-shadow: var(--sh-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
    visibility var(--dur) var(--ease);
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

.to-top svg {
  width: 19px;
  height: 19px;
}

/* --------------------------------------------------------------------------
   20. 滚动进场动画
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* --------------------------------------------------------------------------
   21. 响应式适配
   -------------------------------------------------------------------------- */

/* 大屏笔记本 */
@media (max-width: 1180px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 平板 */
@media (max-width: 992px) {
  :root {
    --header-h: 68px;
  }

  .container {
    padding: 0 20px;
  }

  /* 移动端导航抽屉 */
  .nav-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 20px 20px;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--sh-md);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
      visibility var(--dur) var(--ease);
  }

  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .main-nav a {
    padding: 13px 14px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }

  .main-nav a::after {
    display: none;
  }

  .main-nav a[aria-current="page"],
  .main-nav a:hover {
    background: var(--c-bg-soft);
  }

  .main-nav .nav-drawer-cta {
    display: flex;
    margin-top: 10px;
  }

  /* 布局改为单列 */
  .hero__layout,
  .split,
  .split--wide-right {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__panel {
    order: 2;
  }

  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }

  .service-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .biz-block__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }
}

/* 手机 */
@media (max-width: 640px) {
  body {
    font-size: 15.5px;
    line-height: 1.75;
  }

  .container {
    padding: 0 18px;
  }

  .section {
    padding: 54px 0;
  }

  .grid,
  .grid--2,
  .grid--3,
  .grid--4,
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .card,
  .product-card,
  .biz-block,
  .form-card {
    padding: 24px 20px;
    border-radius: var(--radius);
  }

  .step {
    padding: 22px 20px;
    border-radius: var(--radius);
  }

  .brand__slogan {
    display: none;
  }

  .brand__name {
    font-size: 1.08rem;
    letter-spacing: 0.06em;
  }

  .brand__logo {
    width: 36px;
    height: 36px;
  }

  .btn {
    padding: 12px 22px;
    font-size: 0.92rem;
  }

  .btn-group .btn {
    flex: 1 1 100%;
  }

  .hero {
    padding-top: 46px;
  }

  .hero__panel {
    padding: 20px;
  }

  .stats {
    margin-top: 0;
  }

  .stats__inner {
    border-radius: var(--radius);
  }

  .stats__item {
    padding: 24px 16px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding-bottom: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .to-top {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }

  .faq summary {
    padding: 17px 18px;
    font-size: 0.95rem;
  }

  .faq .faq__body {
    padding: 0 18px 18px;
  }

  .contact-list li {
    padding: 17px 18px;
  }
}

/* 超小屏 */
@media (max-width: 380px) {
  .hero__badge {
    font-size: 0.76rem;
  }

  .hero__tags li {
    font-size: 0.78rem;
    padding: 5px 11px;
  }
}

/* --------------------------------------------------------------------------
  22. 案例画廊（起名 / Logo / 域名转让）与图片灯箱
  -------------------------------------------------------------------------- */
.case-group + .case-group {
  margin-top: 44px;
}

.case-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 18px;
}

.case-group__head h3 {
  margin: 0;
  font-size: 1.12rem;
  color: var(--c-primary);
}

.case-group__head p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--c-muted);
}

.gallery {
  display: grid;
  gap: 16px;
}

.gallery--logo {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

/* 域名截图是竖版且信息密集：4 列时每张只有 276px 宽，
   1728px 的截图缩到该宽度后域名文字无法辨认（缩放 6.3 倍）。
   降到 2 列（约 568px）把缩放压到 3 倍，保证域名清晰可读。 */
.gallery--domain {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* 案例卡片本身是按钮，点击打开大图 */
.case-card {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  font: inherit;
  color: inherit;
  text-align: left;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--sh-sm);
  cursor: zoom-in;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 169, 106, 0.55);
  box-shadow: var(--sh-md);
}

.case-card:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

.case-card__media {
  display: block;
  width: 100%;
  /* 必须显式声明 height:auto：img 标签上的 width/height 属性等价于
     低优先级的 height:1280px，若不覆盖会把卡片撑成图片原始高度，
     aspect-ratio 也会随之失效（表现为图片很小、容器下方大片空白）。 */
  height: auto;
  object-fit: contain;
  background: var(--c-bg-soft);
}

/* Logo 案例：源文件是 1280×1280 方形画布，但 logo 图形本身多为横宽构图
   （实测各图内容比例 1.0 ~ 1.93），用 1:1 容器会在上下空出大片背景色。
   容器改为 5:4 贴近多数图的内容比例，卡片高度降低约 20%，图形占比明显提升。 */
.gallery--logo .case-card__media {
  aspect-ratio: 5 / 4;
  padding: 8px;
}

/* 域名案例：1728×2304（3:4）域名详情页截图，内容铺满画布、无留白。
   用 contain 保证整张截图完整可见，绝不裁切。 */
.gallery--domain .case-card__media {
  aspect-ratio: 3 / 4;
  padding: 0;
  background: #fff;
}

.case-card__cap {
  display: block;
  padding: 10px 14px 12px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line);
}

.cases-note {
  margin: 44px 0 0;
  font-size: 0.94rem;
  color: var(--c-muted);
  text-align: center;
}

.cases-note a {
  font-weight: 600;
  color: var(--c-primary);
  border-bottom: 1px solid var(--c-accent);
}

.cases-note a:hover {
  color: var(--c-accent-strong);
}

/* 图片灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: rgba(7, 29, 56, 0.88);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__figure {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: min(880px, 100%);
  max-height: 100%;
  margin: 0;
}

.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 170px);
  margin: 0 auto;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.45);
}

.lightbox__cap {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
}

.lightbox__close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-size: 1.5rem;
  line-height: 1;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.26);
}

body.is-locked {
  overflow: hidden;
}

@media (max-width: 1180px) {
  .gallery--logo {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  /* 域名画廊基础已是 2 列，此断点无需再声明 */
}

@media (max-width: 640px) {
  .gallery {
    gap: 12px;
  }

  .gallery--logo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery--domain {
    grid-template-columns: minmax(0, 1fr);
  }

  .lightbox {
    padding: 16px;
  }

  .lightbox__close {
    top: 12px;
    right: 12px;
  }
}

/* 打印 */
@media print {
  .site-header,
  .to-top,
  .cta,
  .nav-toggle {
    display: none !important;
  }

  body {
    color: #000;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}