/* ==========================================================================
   大圣学成 · 江西高职单招封闭集训基地
   全站样式 · 书院金印风格（深藏青 × 古金 × 米白纸感）
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 主色 · 藏青 */
  --navy-950: #071527;
  --navy-900: #0b1f3a;
  --navy-800: #10305a;
  --navy-700: #17406f;
  --navy-600: #1e548f;
  --navy-100: #e3eaf4;
  --navy-50: #f1f5fa;

  /* 点缀 · 古金 */
  --gold-600: #a8852a;
  --gold-500: #c9a227;
  --gold-400: #d9b45a;
  --gold-300: #e8ce8f;
  --gold-100: #f7ecd4;
  --gold-50: #fbf6ea;

  /* 底色 · 米白纸感 */
  --paper: #f7f5f0;
  --paper-deep: #efebe2;
  --white: #ffffff;

  /* 墨色 */
  --ink-900: #14213a;
  --ink-600: #46536b;
  --ink-400: #7a8699;
  --line: #e5dfd2;

  /* 字体 */
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong",
    "SimSun", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;

  /* 尺寸 */
  --container: 1180px;
  --radius: 14px;
  --radius-lg: 20px;

  /* 阴影 */
  --shadow-sm: 0 2px 10px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 10px 30px rgba(11, 31, 58, 0.1);
  --shadow-lg: 0 24px 60px rgba(11, 31, 58, 0.16);

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

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-900);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink-900);
}

::selection {
  background: var(--gold-300);
  color: var(--navy-900);
}

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

.section {
  padding: 96px 0;
}

.section-tight {
  padding: 72px 0;
}

.section-navy {
  background: var(--navy-900);
  color: #fff;
}

.section-paper {
  background: var(--paper);
}

/* 章节标题组 */
.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head-left {
  margin: 0 0 48px;
  text-align: left;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-600);
  font-weight: 600;
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold-500);
  opacity: 0.7;
}

.eyebrow-light {
  color: var(--gold-400);
}

.section-title {
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy-900);
  margin-top: 14px;
}

.section-title em {
  font-style: normal;
  color: var(--gold-600);
}

.section-title-light {
  color: #fff;
}

.section-sub {
  margin-top: 16px;
  color: var(--ink-600);
  font-size: 15.5px;
}

.section-sub-light {
  color: rgba(255, 255, 255, 0.72);
}

.section-title + .gold-rule {
  margin-top: 22px;
}

.gold-rule {
  display: inline-block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
  border-radius: 2px;
}

/* 金色印章 */
.seal {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--gold-500);
  border-radius: 8px;
  color: var(--gold-500);
  font-family: var(--font-display);
  font-weight: 700;
  writing-mode: vertical-rl;
  letter-spacing: 0.28em;
  font-size: 13px;
  line-height: 1;
  background: rgba(201, 162, 39, 0.06);
}

.seal-light {
  border-color: var(--gold-400);
  color: var(--gold-300);
  background: rgba(217, 180, 90, 0.08);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}

.btn svg {
  flex: none;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff;
  box-shadow: 0 8px 22px rgba(201, 162, 39, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(201, 162, 39, 0.45);
  color: #fff;
}

.btn-navy {
  background: var(--navy-900);
  color: #fff;
  box-shadow: 0 8px 22px rgba(11, 31, 58, 0.25);
}

.btn-navy:hover {
  background: var(--navy-800);
  transform: translateY(-2px);
  color: #fff;
}

.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-ghost:hover {
  border-color: var(--gold-400);
  color: var(--gold-300);
  background: rgba(255, 255, 255, 0.06);
}

.btn-outline {
  border: 1.5px solid var(--navy-900);
  color: var(--navy-900);
}

.btn-outline:hover {
  background: var(--navy-900);
  color: #fff;
}

/* 标签 */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink-600);
  font-size: 14px;
  transition: all 0.25s var(--ease);
}

.chip:hover {
  border-color: var(--gold-500);
  color: var(--gold-600);
  background: var(--gold-50);
}

/* ==========================================================================
   页头
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

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

.brand-logo {
  height: 44px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.12em;
  color: var(--navy-900);
}

.brand-text small {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-400);
}

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

.nav-main a {
  position: relative;
  padding: 8px 13px;
  font-size: 15px;
  color: var(--ink-600);
  letter-spacing: 0.04em;
}

.nav-main a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--gold-500);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}

.nav-main a:hover {
  color: var(--navy-900);
}

.nav-main a:hover::after,
.nav-main a.active::after {
  width: 18px;
}

.nav-main a.active {
  color: var(--navy-900);
  font-weight: 600;
}

.nav-phone {
  display: none;
}

.header-phone {
  flex: none;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 9px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--white);
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy-900);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   首页 Banner
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--navy-800) 100%);
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../images/hero-bg.svg") center / cover no-repeat;
  opacity: 0.9;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: -180px;
  top: -180px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.16) 0%, transparent 68%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 64px;
  align-items: center;
  padding: 96px 24px 110px;
  max-width: var(--container);
  margin: 0 auto;
}

.hero-copy {
  animation: heroUp 0.9s var(--ease) both;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 26px;
}

.hero-kicker-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-kicker-text strong {
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--gold-300);
  font-weight: 600;
}

.hero-kicker-text small {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 46px;
  line-height: 1.32;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.hero h1 .gold {
  color: var(--gold-300);
  position: relative;
  white-space: nowrap;
}

.hero h1 .gold::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 8px;
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.5), transparent);
  z-index: -1;
  border-radius: 4px;
}

.hero-sub {
  margin-top: 24px;
  max-width: 540px;
  font-size: 16.5px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.78);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.66);
  letter-spacing: 0.05em;
}

.hero-trust svg {
  color: var(--gold-400);
}

/* 主视觉 */
.hero-visual {
  position: relative;
  animation: heroUp 0.9s 0.18s var(--ease) both;
}

.hero-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(217, 180, 90, 0.35);
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 58, 0) 55%, rgba(11, 31, 58, 0.45));
}

.hero-frame img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  right: -18px;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  color: var(--ink-900);
  animation: float 5s ease-in-out infinite;
}

.hero-badge strong {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--gold-600);
  white-space: nowrap;
}

.hero-badge small {
  font-size: 12px;
  color: var(--ink-600);
  line-height: 1.5;
}

/* 数据条 */
.hero-stats {
  position: relative;
  z-index: 3;
  margin-top: -56px;
  padding: 0 24px 0;
}

.hero-stats-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.stat-item {
  padding: 30px 22px;
  text-align: center;
  position: relative;
}

.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22%;
  bottom: 22%;
  width: 1px;
  background: var(--line);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.2;
}

.stat-num .unit {
  font-size: 19px;
  color: var(--gold-600);
  margin-left: 2px;
}

.stat-label {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink-600);
  letter-spacing: 0.06em;
}

/* ==========================================================================
   品牌简介
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 64px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about-visual::before {
  content: "";
  position: absolute;
  left: -22px;
  bottom: -22px;
  width: 60%;
  height: 60%;
  border: 2px solid var(--gold-300);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-seal {
  position: absolute;
  right: -16px;
  top: -16px;
  box-shadow: var(--shadow-md);
  background: var(--white);
}

.about-text p {
  margin-top: 18px;
  color: var(--ink-600);
  font-size: 15.5px;
}

.about-text p strong {
  color: var(--ink-900);
}

.about-philosophy {
  margin-top: 28px;
  padding: 22px 26px;
  background: var(--gold-50);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 12px 12px 0;
}

.about-philosophy .label {
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--gold-600);
  font-weight: 600;
}

.about-philosophy p {
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 17.5px;
  color: var(--navy-900);
  line-height: 1.9;
}

.about-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* ==========================================================================
   八大优势
   ========================================================================== */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.adv-card {
  position: relative;
  padding: 34px 26px 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
  overflow: hidden;
}

.adv-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.adv-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-300);
}

.adv-card:hover::before {
  transform: scaleX(1);
}

.adv-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: var(--gold-50);
  color: var(--gold-600);
  border: 1px solid var(--gold-100);
  margin-bottom: 20px;
  transition: all 0.35s var(--ease);
}

.adv-card:hover .adv-icon {
  background: var(--navy-900);
  color: var(--gold-300);
  border-color: var(--navy-900);
}

.adv-num {
  position: absolute;
  right: 22px;
  top: 20px;
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--paper-deep);
  line-height: 1;
  transition: color 0.35s var(--ease);
}

.adv-card:hover .adv-num {
  color: var(--gold-100);
}

.adv-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--navy-900);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.adv-card p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-600);
}

/* ==========================================================================
   校区实景
   ========================================================================== */
.campus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.photo-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  background: var(--white);
}

.photo-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.photo-card img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.photo-card:hover img {
  transform: scale(1.05);
}

.photo-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 34px 20px 16px;
  background: linear-gradient(180deg, transparent, rgba(7, 21, 39, 0.88));
  color: #fff;
}

.photo-caption h3 {
  font-family: var(--font-display);
  font-size: 17.5px;
  letter-spacing: 0.06em;
}

.photo-caption p {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.72);
  margin-top: 2px;
  letter-spacing: 0.04em;
}

.photo-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  padding: 5px 13px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--gold-600);
  font-size: 12px;
  letter-spacing: 0.1em;
  border-radius: 999px;
  font-weight: 600;
}

/* 全宽实拍横幅 */
.wide-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}

.wide-photo img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  display: block;
}

@media (max-width: 768px) {
  .wide-photo img {
    aspect-ratio: 16 / 9;
  }
}

/* 三连实拍（无文字说明） */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.photo-strip img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .photo-strip {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   成果数据
   ========================================================================== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 64px;
}

.result-item {
  text-align: center;
  padding: 12px 20px;
  position: relative;
}

.result-item + .result-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12%;
  bottom: 12%;
  width: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.result-num {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--gold-300);
}

.result-num .unit {
  font-size: 22px;
}

.result-label {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.06em;
}

.result-note {
  margin-top: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.case-tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold-600);
  background: var(--gold-50);
  border: 1px solid var(--gold-100);
  border-radius: 999px;
  font-weight: 600;
}

.case-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--navy-900);
  margin-top: 14px;
  letter-spacing: 0.04em;
}

.case-metrics {
  display: flex;
  gap: 26px;
  margin: 18px 0;
  padding: 16px 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
}

.case-metrics div {
  display: flex;
  flex-direction: column;
}

.case-metrics b {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--gold-600);
}

.case-metrics span {
  font-size: 12px;
  color: var(--ink-400);
  letter-spacing: 0.05em;
}

.case-card p {
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.85;
}

.case-note {
  margin-top: 26px;
  text-align: center;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
}

/* 定向班 */
.track-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 34px;
}

.track-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(217, 180, 90, 0.35);
  border-radius: 12px;
  transition: all 0.3s var(--ease);
}

.track-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--gold-400);
}

.track-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.16);
  color: var(--gold-300);
}

.track-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16.5px;
  letter-spacing: 0.05em;
}

.track-item small {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   服务人群
   ========================================================================== */
.audience-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 52px;
}

.person-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.person-card {
  text-align: center;
  padding: 38px 24px 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all 0.35s var(--ease);
}

.person-card:hover {
  border-color: var(--gold-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.person-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--gold-300);
  margin-bottom: 18px;
}

.person-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--navy-900);
  letter-spacing: 0.05em;
}

.person-card p {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.85;
}

.person-tag {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 14px;
  font-size: 12px;
  color: var(--gold-600);
  background: var(--gold-50);
  border-radius: 999px;
  letter-spacing: 0.06em;
}

/* 周期时间线（横版） */
.cycle-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 56px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cycle-step {
  position: relative;
  padding: 30px 20px;
  text-align: center;
}

.cycle-step + .cycle-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 46%;
  background: var(--line);
}

.cycle-step .dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gold-50);
  border: 1px solid var(--gold-300);
  color: var(--gold-600);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}

.cycle-step b {
  display: block;
  font-family: var(--font-display);
  font-size: 16.5px;
  color: var(--navy-900);
  letter-spacing: 0.04em;
}

.cycle-step span {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--ink-400);
}

/* ==========================================================================
   CTA 咨询带
   ========================================================================== */
.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-800));
  border-radius: var(--radius-lg);
  padding: 64px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #fff;
}

.cta-band::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.22), transparent 70%);
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 0.05em;
}

.cta-band p {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
}

.cta-phone {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: none;
  position: relative;
  z-index: 2;
}

.cta-phone-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.18);
  color: var(--gold-300);
  animation: pulse 2.2s ease-in-out infinite;
}

.cta-phone b {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  letter-spacing: 0.06em;
  color: var(--gold-300);
  line-height: 1.2;
}

.cta-phone small {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.08em;
}

.cta-phone b em {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.65);
  margin-left: 10px;
  letter-spacing: 0.04em;
}

.cta-phone .phone-2 {
  font-size: 24px;
}

/* ==========================================================================
   子页面页头（Page Hero）
   ========================================================================== */
.page-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy-950), var(--navy-900) 55%, var(--navy-800));
  color: #fff;
  padding: 64px 0 74px;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../images/hero-bg.svg") center / cover no-repeat;
  opacity: 0.55;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -220px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.14), transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.breadcrumb a:hover {
  color: var(--gold-300);
}

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.3);
}

.breadcrumb .current {
  color: var(--gold-300);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: 38px;
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.page-hero-sub {
  margin-top: 14px;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15.5px;
  line-height: 2;
}

/* ==========================================================================
   通用内容块
   ========================================================================== */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.info-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  box-shadow: var(--shadow-sm);
}

.info-panel h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--navy-900);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 12px;
}

.info-panel h3 svg {
  color: var(--gold-600);
}

.info-panel p,
.info-panel li {
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.95;
}

.info-panel ul {
  margin-top: 14px;
}

.info-panel li {
  position: relative;
  padding-left: 22px;
  margin-top: 8px;
}

.info-panel li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-500);
}

/* 流程步骤 */
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px 28px;
  transition: all 0.35s var(--ease);
}

.step-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gold-300);
  transform: translateY(-6px);
}

.step-no {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--paper-deep);
}

.step-card:hover .step-no {
  color: var(--gold-100);
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--navy-900);
  margin: 14px 0 10px;
  letter-spacing: 0.05em;
}

.step-card p {
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.85;
}

/* 时间轴（关于我们） */
.timeline {
  position: relative;
  margin-top: 30px;
}

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

.tl-item {
  position: relative;
  padding: 0 0 34px 44px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--gold-500);
  box-shadow: 0 0 0 4px var(--gold-50);
}

.tl-year {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold-600);
  letter-spacing: 0.06em;
}

.tl-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--navy-900);
  margin: 4px 0 8px;
  letter-spacing: 0.04em;
}

.tl-item p {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.9;
}

/* FAQ 手风琴 */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.faq-item.open {
  border-color: var(--gold-300);
  box-shadow: var(--shadow-sm);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 20px 26px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 16.5px;
  color: var(--navy-900);
  letter-spacing: 0.03em;
}

.faq-q .faq-mark {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--gold-300);
  color: var(--gold-600);
  transition: all 0.35s var(--ease);
  font-size: 18px;
  font-family: var(--font-body);
}

.faq-item.open .faq-mark {
  background: var(--gold-500);
  color: #fff;
  border-color: var(--gold-500);
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease);
}

.faq-a-inner {
  padding: 0 26px 22px;
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.95;
  border-top: 1px dashed var(--line);
  padding-top: 16px;
}

/* 联系页 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-cards {
  display: grid;
  gap: 18px;
}

.contact-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
  transition: all 0.3s var(--ease);
}

.contact-card:hover {
  border-color: var(--gold-300);
  box-shadow: var(--shadow-sm);
}

.contact-card-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--navy-900);
  color: var(--gold-300);
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--navy-900);
  letter-spacing: 0.04em;
}

.contact-card p {
  margin-top: 4px;
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.8;
}

.contact-card a.phone-link {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--gold-600);
  font-weight: 700;
}

.form-panel {
  background: var(--navy-900);
  border-radius: var(--radius-lg);
  padding: 40px 38px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.form-panel::before {
  content: "";
  position: absolute;
  right: -100px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.18), transparent 70%);
}

.form-panel h3 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 2;
}

.form-panel > p {
  margin-top: 8px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.65);
  position: relative;
  z-index: 2;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
  position: relative;
  z-index: 2;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

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

.form-field label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.06em;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  outline: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--gold-400);
  background: rgba(255, 255, 255, 0.12);
}

.form-field select option {
  color: var(--ink-900);
}

.form-field textarea {
  resize: vertical;
  min-height: 96px;
}

.form-submit {
  margin-top: 22px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.form-msg {
  display: none;
  margin-top: 16px;
  padding: 13px 18px;
  border-radius: 10px;
  background: rgba(217, 180, 90, 0.14);
  border: 1px solid rgba(217, 180, 90, 0.5);
  color: var(--gold-300);
  font-size: 14px;
  position: relative;
  z-index: 2;
}

.form-msg.show {
  display: block;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer-top {
  padding: 72px 0 52px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr 1.1fr;
  gap: 48px;
}

.footer-brand .brand-text strong {
  color: #fff;
}

.footer-brand .brand-text small {
  color: rgba(255, 255, 255, 0.4);
}

.footer-brand p {
  margin-top: 18px;
  font-size: 13.5px;
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.55);
}

.footer-seal {
  margin-top: 22px;
}

.footer-col h3 {
  font-family: var(--font-display);
  font-size: 16.5px;
  color: var(--gold-300);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-links li {
  margin-bottom: 11px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: all 0.25s var(--ease);
}

.footer-links a:hover {
  color: var(--gold-300);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13.5px;
}

.footer-contact svg {
  flex: none;
  margin-top: 4px;
  color: var(--gold-400);
}

.footer-contact a:hover {
  color: var(--gold-300);
}

.footer-cycle li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

.footer-cycle li span {
  color: rgba(255, 255, 255, 0.45);
}

.footer-cycle li b {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
  text-align: right;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 30px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom-inner .tech {
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
}

/* ==========================================================================
   动效
   ========================================================================== */
@keyframes heroUp {
  from {
    opacity: 0;
    transform: translateY(34px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.4);
  }
  50% {
    box-shadow: 0 0 0 16px rgba(201, 162, 39, 0);
  }
}

/* 滚动显现 */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

.reveal-d1 {
  transition-delay: 0.08s;
}
.reveal-d2 {
  transition-delay: 0.16s;
}
.reveal-d3 {
  transition-delay: 0.24s;
}
.reveal-d4 {
  transition-delay: 0.32s;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
  .nav-main a {
    padding: 8px 9px;
    font-size: 14px;
  }
  .header-phone {
    padding: 11px 20px;
    font-size: 14px;
  }
  .adv-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .person-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 0;
  }
  .result-item:nth-child(3)::before {
    display: none;
  }
}

@media (max-width: 992px) {
  .section {
    padding: 72px 0;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 64px 24px 96px;
  }
  .hero h1 {
    font-size: 38px;
  }
  .hero-visual {
    max-width: 620px;
  }
  .hero-stats-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(3)::before {
    display: none;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-visual {
    max-width: 560px;
  }
  .campus-grid,
  .case-grid,
  .track-row,
  .step-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cycle-strip {
    grid-template-columns: 1fr;
  }
  .cycle-step + .cycle-step::before {
    left: 20%;
    right: 20%;
    top: 0;
    width: auto;
    height: 1px;
    transform: none;
  }
  .cta-band {
    flex-direction: column;
    text-align: center;
    padding: 48px 34px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .split-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .brand-logo {
    height: 38px;
  }
  .brand-text strong {
    font-size: 18px;
  }
  .brand-text small {
    font-size: 10px;
  }
  .header-phone {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  /* 移动端抽屉导航 */
  .nav-main {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    padding: 10px 20px 20px;
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s var(--ease);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav-main.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-main a {
    padding: 14px 6px;
    font-size: 15.5px;
    border-bottom: 1px solid var(--paper);
    display: flex;
    justify-content: space-between;
  }
  .nav-main a::after {
    display: none;
  }
  .nav-main a.active {
    color: var(--gold-600);
  }
  .nav-phone {
    display: flex;
    margin-top: 14px;
    justify-content: center;
    background: var(--gold-50);
    border: 1px solid var(--gold-100) !important;
    border-radius: 12px;
    color: var(--gold-600) !important;
    font-weight: 700;
    letter-spacing: 0.08em;
  }
  .hero h1 {
    font-size: 31px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-actions .btn {
    flex: 1;
  }
  .hero-badge {
    right: 10px;
    bottom: 14px;
    padding: 10px 14px;
  }
  .hero-badge strong {
    font-size: 16px;
  }
  .hero-stats {
    margin-top: -40px;
  }
  .stat-item {
    padding: 22px 14px;
  }
  .stat-num {
    font-size: 30px;
  }
  .section-title {
    font-size: 27px;
  }
  .page-hero {
    padding: 46px 0 56px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .adv-grid,
  .campus-grid,
  .case-grid,
  .track-row,
  .step-grid,
  .person-grid {
    grid-template-columns: 1fr;
  }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px 0;
  }
  .result-num {
    font-size: 40px;
  }
  .result-item + .result-item::before {
    display: none;
  }
  .cta-band h2 {
    font-size: 24px;
  }
  .cta-phone {
    flex-direction: column;
    gap: 10px;
  }
  .cta-phone b {
    font-size: 28px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .footer-bottom-inner {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .hero h1 {
    font-size: 27px;
  }
  .hero-trust {
    gap: 8px 16px;
  }
  .hero-stats-inner {
    grid-template-columns: 1fr 1fr;
  }
  .stat-num {
    font-size: 26px;
  }
  .cta-band {
    padding: 40px 22px;
  }
  .form-panel {
    padding: 30px 22px;
  }
}


/* ==========================================================================
   实拍照片墙（瀑布流 + 灯箱）
   ========================================================================== */
.photo-wall {`r`n  display: grid;`r`n  grid-template-columns: repeat(3, 1fr);`r`n  gap: 24px;`r`n}

.wall-item {`r`n  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--white);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.wall-item img {`r`n  width: 100%;`r`n  aspect-ratio: 8 / 5;`r`n  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}

.wall-item:hover img {
  transform: scale(1.05);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(7, 21, 39, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lb-close {
  position: absolute;
  top: 22px;
  right: 28px;
  color: #fff;
  font-size: 36px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.85;
  background: none;
  border: none;
}

.lb-close:hover {
  opacity: 1;
}

@media (max-width: 900px) {
  .photo-wall {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .photo-wall {
    grid-template-columns: 1fr;
  }
}