/* ============================================================
   庆科联筑建站 · 全局样式
   风格：复古文艺硬核科技  配色：米黄 / 深棕 / 墨绿
   ============================================================ */

:root {
  --bg-cream: #F5ECD8;
  --bg-cream-2: #EDE1C4;
  --bg-paper: #FBF6EA;
  --bg-dark: #2C2418;
  --brown-deep: #3E2723;
  --brown: #5C3D2E;
  --brown-light: #8B6F5A;
  --green-dark: #2D5016;
  --green: #355E3B;
  --green-light: #5B8A4E;
  --ink: #1C1A14;
  --ink-soft: #4A4238;
  --muted: #8C7E6B;
  --line: #C9B89A;
  --line-soft: #DFD2B8;
  --accent: #7A4A1F;
  --shadow-paper: 0 2px 0 rgba(62, 39, 35, 0.08), 0 12px 28px rgba(62, 39, 35, 0.10);
  --radius: 4px;
  --radius-lg: 8px;
  --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", "SimSun", serif;
  --font-sans: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-mono: "SF Mono", "Menlo", "Consolas", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-paper);
  color: var(--ink);
  line-height: 1.75;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; transition: color .25s ease; }

button { font-family: inherit; cursor: pointer; border: 0; background: none; }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5 { font-family: var(--font-serif); font-weight: 700; color: var(--brown-deep); letter-spacing: .02em; }

h1 { font-size: clamp(1.9rem, 4vw, 3.2rem); line-height: 1.2; }
h2 { font-size: clamp(1.4rem, 2.4vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.5rem); }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container { padding: 0 18px; }
}

/* ==================== 导航栏 ==================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  transition: background .35s ease, box-shadow .35s ease, padding .35s ease;
  background: rgba(251, 246, 234, 0.82);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  border-bottom: 1px solid rgba(201, 184, 154, 0.35);
  box-shadow: 0 1px 0 rgba(62, 39, 35, 0.04);
}

.navbar.is-scrolled {
  background: rgba(251, 246, 234, 0.96);
  border-bottom-color: var(--line-soft);
  box-shadow: 0 6px 20px rgba(62, 39, 35, 0.08);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  transition: height .35s ease;
}

.navbar.is-scrolled .navbar__inner { height: 62px; }

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--brown-deep);
}

.navbar__brand img { height: 38px; width: auto; }

.navbar__menu {
  display: flex;
  gap: 34px;
}

.navbar__menu a {
  position: relative;
  font-size: .95rem;
  color: var(--ink-soft);
  font-weight: 500;
  padding: 6px 0;
}

.navbar__menu a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--green-dark);
  transition: all .3s ease;
  transform: translateX(-50%);
}

.navbar__menu a:hover { color: var(--green-dark); }
.navbar__menu a:hover::after { width: 100%; }

.navbar__toggle {
  display: none;
  width: 36px; height: 36px;
  position: relative;
}

.navbar__toggle span {
  position: absolute;
  left: 6px; right: 6px;
  height: 2px;
  background: var(--brown-deep);
  transition: all .3s ease;
}
.navbar__toggle span:nth-child(1) { top: 10px; }
.navbar__toggle span:nth-child(2) { top: 17px; }
.navbar__toggle span:nth-child(3) { top: 24px; }
.navbar.is-open .navbar__toggle span:nth-child(1) { top: 17px; transform: rotate(45deg); }
.navbar.is-open .navbar__toggle span:nth-child(2) { opacity: 0; }
.navbar.is-open .navbar__toggle span:nth-child(3) { top: 17px; transform: rotate(-45deg); }

/* ==================== 二级下拉菜单（复古硬核工业风） ==================== */
.navbar__menu .menu-item { position: relative; }

.navbar__menu .menu-item > a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.navbar__menu .menu-item > a .caret {
  width: 10px; height: 10px;
  transition: transform .25s ease;
  flex-shrink: 0;
  opacity: .7;
}

.navbar__menu .menu-item:hover > a .caret { transform: translateY(1px) rotate(180deg); opacity: 1; }

.navbar__menu .menu-item > a::after { display: none; }

.dropdown {
  position: absolute;
  left: 50%;
  top: calc(100% + 14px);
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  background: var(--brown-deep);
  border: 1px solid #2a1a16;
  border-radius: 3px;
  box-shadow: 0 20px 40px rgba(62, 39, 35, 0.35), 0 2px 0 rgba(53, 94, 59, 0.3) inset;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  z-index: 998;
  overflow: hidden;
}

.dropdown::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-dark), var(--green-light), var(--green-dark));
}

.dropdown::after {
  content: "";
  position: absolute;
  top: -6px; left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px; height: 10px;
  background: var(--brown-deep);
  border-left: 1px solid #2a1a16;
  border-top: 1px solid #2a1a16;
}

.navbar__menu .menu-item:hover .dropdown,
.navbar__menu .menu-item.is-open .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown__grid {
  display: grid;
  gap: 0;
  padding: 8px 0;
}

.dropdown__grid.dropdown__grid--2 { grid-template-columns: 1fr 1fr; min-width: 420px; }

.dropdown__group {
  padding: 8px 0;
}

.dropdown__group + .dropdown__group {
  border-top: 1px dashed rgba(245, 236, 216, 0.15);
}

.dropdown__label {
  padding: 8px 22px 6px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(245, 236, 216, 0.5);
}

.dropdown__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 22px;
  color: var(--bg-cream);
  font-size: .9rem;
  font-weight: 500;
  position: relative;
  transition: background .2s ease, color .2s ease;
}

.dropdown__item::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--green-light);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  margin-top: 7px;
  flex-shrink: 0;
  opacity: .5;
  transition: opacity .25s ease, transform .25s ease;
}

.dropdown__item:hover {
  background: var(--green-dark);
  color: var(--bg-paper);
}

.dropdown__item:hover::before {
  opacity: 1;
  transform: scale(1.3);
}

.dropdown__item-text { flex: 1; }
.dropdown__item-text small {
  display: block;
  font-size: .72rem;
  font-weight: 400;
  color: rgba(245, 236, 216, 0.55);
  margin-top: 3px;
  letter-spacing: .04em;
}

.dropdown__footer {
  padding: 12px 22px;
  background: rgba(0, 0, 0, 0.15);
  font-family: var(--font-mono);
  font-size: .7rem;
  color: rgba(245, 236, 216, 0.45);
  letter-spacing: .12em;
  text-transform: uppercase;
  text-align: center;
}

.navbar__cta {
  margin-left: 18px;
  padding: 9px 22px;
  font-size: .82rem;
  letter-spacing: .12em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--bg-paper);
  background: var(--brown-deep);
  border: 1px solid var(--brown-deep);
  border-radius: 2px;
  transition: all .3s ease;
  font-family: var(--font-mono);
}

.navbar__cta:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(45, 80, 22, 0.35);
}

/* 移动端下拉 — 手风琴 */
@media (max-width: 960px) {
  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    min-width: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
  }
  .dropdown::before, .dropdown::after { display: none; }
  .dropdown__grid.dropdown__grid--2 { grid-template-columns: 1fr; min-width: 0; }
  .dropdown__item {
    color: var(--brown-deep);
    padding: 8px 16px 8px 36px;
    font-size: .88rem;
  }
  .dropdown__item::before { background: var(--green-dark); }
  .dropdown__item:hover { background: var(--bg-cream); color: var(--green-dark); }
  .dropdown__label { color: var(--green-dark); padding-left: 36px; }
  .navbar__menu .menu-item.is-open .dropdown,
  .navbar__menu .menu-item.is-open-dropdown .dropdown { max-height: 800px; }
  .navbar__menu .menu-item.is-open-dropdown > a .caret { transform: translateY(1px) rotate(180deg); opacity: 1; }
  .navbar__cta {
    display: block;
    margin: 14px 18px 18px;
    text-align: center;
  }
}

@media (max-width: 960px) {
  .navbar__menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-paper);
    border-bottom: 1px solid var(--line-soft);
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s ease;
  }
  .navbar.is-open .navbar__menu { max-height: 640px; }
  .navbar__menu a {
    padding: 16px 24px;
    border-top: 1px solid var(--line-soft);
  }
  .navbar__toggle { display: block; }
}

/* ==================== 通用按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid var(--brown-deep);
  background: var(--brown-deep);
  color: var(--bg-paper);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--green-dark);
  transform: translateY(100%);
  transition: transform .35s ease;
  z-index: 0;
}
.btn span { position: relative; z-index: 1; }
.btn:hover::before { transform: translateY(0); }
.btn.outline { background: transparent; color: var(--brown-deep); }
.btn.outline::before { background: var(--bg-cream); }
.btn.outline:hover { color: var(--brown-deep); }
.btn.ghost { background: transparent; border-color: var(--green-dark); color: var(--green-dark); }
.btn.ghost::before { background: var(--green-dark); }
.btn.ghost:hover { color: var(--bg-paper); }

/* ==================== 锯齿 / 曲线分割 ==================== */
.zigzag-top,
.zigzag-bottom {
  position: relative;
  height: 42px;
  overflow: hidden;
}
.zigzag-top svg,
.zigzag-bottom svg {
  position: absolute;
  left: 0; right: 0;
  width: 100%;
  height: 100%;
}
.zigzag-top { margin-top: -1px; }
.zigzag-bottom { margin-bottom: -1px; }

/* ==================== Hero ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 100px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(62,39,35,0.82) 0%, rgba(45,80,22,0.72) 100%),
    url("../images/banner-home.jpg") center/cover no-repeat;
  color: var(--bg-paper);
}
.hero__inner {
  max-width: 820px;
}
.hero__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid rgba(251, 246, 234, 0.4);
  font-size: .78rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  margin-bottom: 28px;
  color: var(--bg-paper);
}
.hero h1 {
  color: var(--bg-paper);
  font-family: var(--font-serif);
  margin-bottom: 22px;
}
.hero h1 span.type-cursor {
  display: inline-block;
  width: 3px;
  background: var(--bg-paper);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero__desc {
  font-size: 1.05rem;
  opacity: .9;
  margin-bottom: 40px;
  max-width: 620px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ==================== Section 通用 ==================== */
.section { padding: 80px 0; }
.section--dark { background: var(--brown-deep); color: var(--bg-paper); }
.section--dark h2, .section--dark h3 { color: var(--bg-paper); }
.section--cream { background: var(--bg-cream); }
.section--cream-2 { background: var(--bg-cream-2); }
.section--paper { background: var(--bg-paper); }

.section-head {
  text-align: center;
  margin-bottom: 52px;
}
.section-head__eyebrow {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: .35em;
  color: var(--green-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-family: var(--font-mono);
}
.section-head h2 { margin-bottom: 14px; }
.section-head__lead {
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
}
.section-head--left { text-align: left; }
.section-head--left .section-head__lead { margin: 0; }

/* ==================== 卡片 ==================== */
.card {
  background: var(--bg-paper);
  border: 1px solid var(--line-soft);
  padding: 32px;
  border-radius: var(--radius-lg);
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--green-dark);
  transform: scaleY(0);
  transition: transform .4s ease;
  transform-origin: top;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-paper); border-color: var(--line); }
.card:hover::before { transform: scaleY(1); }

.card--dark {
  background: var(--brown-deep);
  color: var(--bg-paper);
  border-color: rgba(251, 246, 234, 0.12);
}
.card--dark h3 { color: var(--bg-paper); }

.card__icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-cream);
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  margin-bottom: 18px;
  color: var(--green-dark);
}
.card__icon svg { width: 26px; height: 26px; }
.card--dark .card__icon { background: rgba(251, 246, 234, 0.1); border-color: rgba(251, 246, 234, 0.18); color: var(--bg-paper); }

.card h3 { margin-bottom: 12px; font-size: 1.2rem; }
.card p { color: var(--ink-soft); font-size: .94rem; }
.card--dark p { color: rgba(251, 246, 234, 0.78); }

/* ==================== Grid ==================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ==================== 快速入口 ==================== */
.entry-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.entry-list__item {
  background: var(--bg-paper);
  padding: 28px 16px;
  text-align: center;
  transition: background .3s ease, color .3s ease;
}
.entry-list__item:hover { background: var(--green-dark); color: var(--bg-paper); }
.entry-list__item svg { width: 32px; height: 32px; margin-bottom: 12px; }
.entry-list__item span { font-size: .88rem; font-weight: 600; display: block; }
@media (max-width: 960px) { .entry-list { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .entry-list { grid-template-columns: repeat(2, 1fr); } }

/* ==================== 优势条 ==================== */
.advantage {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  background: var(--bg-cream);
  border-radius: var(--radius-lg);
  padding: 28px 12px;
}
.advantage__item {
  text-align: center;
  border-right: 1px dashed var(--line);
  padding: 0 16px;
}
.advantage__item:last-child { border-right: 0; }
.advantage__num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--green-dark);
  font-weight: 700;
}
.advantage__label { font-size: .85rem; color: var(--ink-soft); margin-top: 4px; }
@media (max-width: 900px) {
  .advantage { grid-template-columns: repeat(3, 1fr); gap: 12px 0; }
  .advantage__item:nth-child(3n) { border-right: 0; }
  .advantage__item:nth-child(n+4) { border-top: 1px dashed var(--line); padding-top: 20px; }
}

/* ==================== 新闻 ==================== */
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: var(--bg-paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .4s ease, box-shadow .4s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-paper); }
.news-card__thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-cream);
}
.news-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-card:hover .news-card__thumb img { transform: scale(1.06); }
.news-card__body { padding: 22px 24px 24px; }
.news-card__date {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--muted);
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.news-card h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; }
.news-card p { font-size: .88rem; color: var(--ink-soft); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 900px) { .news-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .news-list { grid-template-columns: 1fr; } }

/* ==================== Footer ==================== */
.footer {
  background: var(--brown-deep);
  color: rgba(251, 246, 234, 0.82);
  padding: 64px 0 0;
}
.footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; }
.footer h4 {
  font-family: var(--font-serif);
  color: var(--bg-paper);
  font-size: 1.05rem;
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(251, 246, 234, 0.12);
  letter-spacing: .05em;
}
.footer__brand {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.footer__brand img { height: 40px; width: auto; filter: brightness(0) invert(1); }
.footer__brand span {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bg-paper);
}
.footer p { font-size: .9rem; line-height: 1.8; }
.footer a { display: block; padding: 5px 0; font-size: .9rem; transition: color .25s ease; }
.footer a:hover { color: var(--green-light); }
.footer__contact-item {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .88rem; padding: 6px 0;
}
.footer__contact-item svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; color: var(--green-light); }
.footer__bottom {
  border-top: 1px solid rgba(251, 246, 234, 0.12);
  padding: 22px 0;
  margin-top: 52px;
  text-align: center;
  font-size: .82rem;
  color: rgba(251, 246, 234, 0.55);
  letter-spacing: .04em;
}
.footer__bottom a { display: inline; padding: 0; color: rgba(251, 246, 234, 0.65); }
.footer__bottom a:hover { color: var(--green-light); }
@media (max-width: 900px) {
  .footer .container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer { padding: 44px 0 0; }
  .footer .container { grid-template-columns: 1fr; gap: 32px; }
}

/* ==================== 返回顶部 ==================== */
.backtop {
  position: fixed;
  right: 24px; bottom: 32px;
  width: 46px; height: 46px;
  background: var(--brown-deep);
  color: var(--bg-paper);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: all .3s ease;
  z-index: 888;
  box-shadow: 0 6px 18px rgba(62, 39, 35, 0.28);
}
.backtop.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.backtop:hover { background: var(--green-dark); }
.backtop svg { width: 20px; height: 20px; }

/* ==================== 滚动渐入 ==================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

/* ==================== 内页 Banner ==================== */
.inner-banner {
  position: relative;
  padding: 150px 0 90px;
  background:
    linear-gradient(135deg, rgba(62,39,35,0.85) 0%, rgba(45,80,22,0.70) 100%),
    url("../images/banner-inner.jpg") center/cover no-repeat;
  color: var(--bg-paper);
  text-align: center;
}
.inner-banner h1 { color: var(--bg-paper); margin-bottom: 12px; }
.inner-banner .breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  opacity: .85;
  letter-spacing: .08em;
}
.inner-banner .breadcrumb a { color: inherit; }
.inner-banner .breadcrumb .sep { color: var(--green-light); }

/* ==================== 左侧导航（二级栏目） ==================== */
.with-aside {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 60px 0;
}
.aside {
  background: var(--bg-cream);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: fit-content;
}
.aside h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.aside ul li a {
  display: block;
  padding: 10px 0;
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--line-soft);
  font-size: .92rem;
  transition: color .25s ease, padding-left .25s ease;
}
.aside ul li a:hover,
.aside ul li a.is-current {
  color: var(--green-dark);
  padding-left: 8px;
}
@media (max-width: 860px) {
  .with-aside { grid-template-columns: 1fr; }
}

/* ==================== 详情页（show） ==================== */
.article-wrap { padding: 60px 0; }
.article {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-paper);
  padding: 48px 56px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
}
.article__meta {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 20px;
  text-align: center;
  letter-spacing: .05em;
}
.article h1 { text-align: center; margin-bottom: 20px; }
.article__content p { margin: 16px 0; font-size: 1rem; }
.article__content img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 20px 0;
  border: 1px solid var(--line-soft);
}
@media (max-width: 640px) {
  .article { padding: 28px 22px; }
}

/* ==================== 分页（show 底部相关） ==================== */
.related-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.related-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-paper);
  transition: transform .3s ease, box-shadow .3s ease;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-paper); }
.related-card__thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
}
.related-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-card__thumb img { transform: scale(1.06); }
.related-card__body { padding: 16px 18px 18px; }
.related-card h4 { font-size: .95rem; font-weight: 600; margin-bottom: 6px; line-height: 1.4; color: var(--brown-deep); }
.related-card time { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); }
@media (max-width: 720px) { .related-grid { grid-template-columns: 1fr; } }

/* ==================== CTA 条 ==================== */
.cta-band {
  background: var(--green-dark);
  color: var(--bg-paper);
  padding: 48px 0;
  text-align: center;
}
.cta-band h2 { color: var(--bg-paper); margin-bottom: 14px; }
.cta-band p { opacity: .85; margin-bottom: 28px; }
.cta-band .btn.outline { border-color: var(--bg-paper); color: var(--bg-paper); }
.cta-band .btn.outline::before { background: var(--brown-deep); }

/* ==================== 数字脉动 ==================== */
.num-pulse { font-variant-numeric: tabular-nums; }

/* ==================== 流程步骤 ==================== */
.step-flow {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  background: var(--bg-cream);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}
.step-flow__item {
  padding: 32px 20px;
  text-align: center;
  border-right: 1px dashed var(--line);
  position: relative;
}
.step-flow__item:last-child { border-right: 0; }
.step-flow__num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--green-dark);
  font-weight: 700;
  margin-bottom: 6px;
}
.step-flow__item h4 { font-size: 1rem; color: var(--brown-deep); margin-bottom: 4px; }
.step-flow__item p { font-size: .82rem; color: var(--ink-soft); }
@media (max-width: 960px) {
  .step-flow { grid-template-columns: repeat(3, 1fr); }
  .step-flow__item:nth-child(3n) { border-right: 0; }
}
@media (max-width: 520px) {
  .step-flow { grid-template-columns: repeat(2, 1fr); }
  .step-flow__item:nth-child(3n) { border-right: 1px dashed var(--line); }
  .step-flow__item:nth-child(2n) { border-right: 0; }
}

/* ==================== Case 大图 ==================== */
.case-showcase {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
}
.case-showcase:nth-child(even) { grid-template-columns: 1fr 1.3fr; }
.case-showcase:nth-child(even) .case-showcase__media { order: 2; }
.case-showcase__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-paper);
  aspect-ratio: 16/10;
}
.case-showcase__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.case-showcase:hover .case-showcase__media img { transform: scale(1.04); }
.case-showcase__body h3 { margin-bottom: 14px; }
.case-showcase__body p { color: var(--ink-soft); margin-bottom: 16px; }
.case-showcase__meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--green-dark);
  margin-bottom: 20px;
}
@media (max-width: 860px) {
  .case-showcase,
  .case-showcase:nth-child(even) { grid-template-columns: 1fr; }
  .case-showcase:nth-child(even) .case-showcase__media { order: 0; }
}

/* ==================== 小工具 ==================== */
.text-center { text-align: center; }
.muted { color: var(--muted); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--green-dark);
}
.tag {
  display: inline-block;
  padding: 3px 12px;
  font-size: .75rem;
  letter-spacing: .08em;
  background: var(--bg-cream);
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--brown);
}

/* ==================== 时间轴 ==================== */
.timeline {
  position: relative;
  padding: 20px 0 0;
  list-style: none;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--brown-deep), var(--green-dark));
  transform: translateX(-50%);
}
.timeline__item {
  position: relative;
  width: 50%;
  padding: 0 40px 48px;
}
.timeline__item:nth-child(odd) { left: 0; text-align: right; }
.timeline__item:nth-child(even) { left: 50%; }
.timeline__dot {
  position: absolute;
  top: 6px;
  width: 18px; height: 18px;
  background: var(--green-dark);
  border: 3px solid var(--bg-paper);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--green-dark);
  z-index: 2;
}
.timeline__item:nth-child(odd) .timeline__dot { right: -9px; }
.timeline__item:nth-child(even) .timeline__dot { left: -9px; }
.timeline__year {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brown-deep);
  margin-bottom: 8px;
}
.timeline__item:nth-child(even) .timeline__year { color: var(--green-dark); }
.timeline__body {
  background: var(--bg-paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  box-shadow: var(--shadow-paper);
  transition: transform .35s ease;
}
.timeline__item:hover .timeline__body { transform: translateY(-4px); }
.timeline__body h4 { margin-bottom: 6px; font-size: 1.05rem; }
.timeline__body p { font-size: .9rem; color: var(--ink-soft); }
.timeline--dark::before { background: linear-gradient(to bottom, var(--bg-cream), var(--green-light)); }
.timeline--dark .timeline__dot { background: var(--bg-paper); border-color: var(--brown-deep); box-shadow: 0 0 0 2px var(--bg-paper); }
.timeline--dark .timeline__year { color: var(--bg-paper); }
.timeline--dark .timeline__item:nth-child(even) .timeline__year { color: var(--green-light); }
.timeline--dark .timeline__body { background: rgba(251,246,234,0.06); border-color: rgba(251,246,234,0.15); color: var(--bg-paper); }
.timeline--dark .timeline__body h4 { color: var(--bg-paper); }
.timeline--dark .timeline__body p { color: rgba(251,246,234,0.75); }
@media (max-width: 780px) {
  .timeline::before { left: 20px; }
  .timeline__item,
  .timeline__item:nth-child(even) { width: 100%; left: 0; padding-left: 56px; text-align: left; }
  .timeline__item:nth-child(odd) .timeline__dot,
  .timeline__item:nth-child(even) .timeline__dot { left: 11px; right: auto; }
}

/* ==================== 语录块 ==================== */
.pull-quote {
  position: relative;
  padding: 56px 48px;
  background: var(--bg-cream);
  border-left: 4px solid var(--green-dark);
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}
.pull-quote::before {
  content: "\201C";
  position: absolute;
  top: 8px; left: 24px;
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--green-dark);
  opacity: .35;
  line-height: 1;
}
.pull-quote p {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  line-height: 1.7;
  color: var(--brown-deep);
  font-style: italic;
  margin-bottom: 18px;
}
.pull-quote cite {
  font-style: normal;
  font-size: .88rem;
  color: var(--ink-soft);
  letter-spacing: .08em;
}

/* ==================== 团队卡片 ==================== */
.team-card {
  background: var(--bg-paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
  text-align: center;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-paper); border-color: var(--line); }
.team-card__avatar {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-cream);
  position: relative;
}
.team-card__avatar img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.team-card:hover .team-card__avatar img { transform: scale(1.06); }
.team-card__body { padding: 22px 20px 26px; }
.team-card__name { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700; color: var(--brown-deep); margin-bottom: 4px; }
.team-card__role { font-size: .82rem; color: var(--green-dark); letter-spacing: .12em; text-transform: uppercase; font-family: var(--font-mono); margin-bottom: 10px; }
.team-card__desc { font-size: .88rem; color: var(--ink-soft); }

/* ==================== Values 卡片 ==================== */
.values-card {
  background: var(--bg-paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: transform .4s ease, box-shadow .4s ease;
  position: relative;
  overflow: hidden;
}
.values-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: var(--green-dark);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .4s ease;
}
.values-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-paper); }
.values-card:hover::after { transform: scaleX(1); }
.values-card__num {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--bg-cream-2);
  position: absolute;
  top: 12px; left: 24px;
  line-height: 1;
  z-index: 0;
}
.values-card__icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg-cream);
  border: 1px solid var(--line);
  color: var(--green-dark);
  position: relative;
  z-index: 1;
}
.values-card__icon svg { width: 30px; height: 30px; }
.values-card h3 { font-size: 1.35rem; margin-bottom: 12px; position: relative; z-index: 1; }
.values-card p { font-size: .92rem; color: var(--ink-soft); position: relative; z-index: 1; }

/* ==================== Hero 大标题 ==================== */
.hero-title {
  text-align: center;
  padding: 72px 0 24px;
}
.hero-title__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .35em;
  color: var(--green-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero-title h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 14px;
}
.hero-title p {
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1rem;
}

/* ==================== 品牌故事块 ==================== */
.brand-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 60px 0;
}
.brand-story__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-paper);
  aspect-ratio: 4/3;
}
.brand-story__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.brand-story:hover .brand-story__media img { transform: scale(1.04); }
.brand-story__eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .3em;
  color: var(--green-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.brand-story h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 16px; line-height: 1.4; }
.brand-story p { color: var(--ink-soft); margin-bottom: 14px; }
.brand-story__tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.brand-story:nth-child(even) .brand-story__media { order: 2; }
@media (max-width: 860px) {
  .brand-story, .brand-story:nth-child(even) { grid-template-columns: 1fr; }
  .brand-story:nth-child(even) .brand-story__media { order: 0; }
}

/* ==================== Feature 条 ==================== */
.feature-strip {
  padding: 60px 0;
}

/* ==================== CTA 条（页面底部） ==================== */
.page-cta {
  background: var(--green-dark);
  color: var(--bg-paper);
  padding: 64px 0;
  text-align: center;
}
.page-cta h2 { color: var(--bg-paper); margin-bottom: 12px; }
.page-cta p { opacity: .85; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.page-cta .btn.outline { border-color: var(--bg-paper); color: var(--bg-paper); }
.page-cta .btn.outline::before { background: var(--brown-deep); }