/* ===== 艺林供应链官网 · 共用样式 v2 ===== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:        #1a4b8c;
  --blue-dark:   #0d2b52;
  --blue-deeper: #091f3d;
  --navy-deep:   #061428;
  --blue-light:  #e8f0fa;
  --orange:      #f27a24;
  --orange-dark: #d9661a;
  --gray-900:    #1a1a1a;
  --gray-700:    #4a4a4a;
  --gray-500:    #8a8a8a;
  --gray-300:    #d0d0d0;
  --gray-100:    #f5f6f8;
  --white:       #ffffff;
  --radius:      8px;
  --max-width:   1200px;
  --font:        -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 20px rgba(0,0,0,.1);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.15);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.75;
  font-size: 15px;
}

a { text-decoration: none; color: var(--blue); }
a:hover { color: var(--orange); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== Top Info Bar ===== */
.top-bar {
  background: var(--navy-deep); color: rgba(255,255,255,.85);
  font-size: 12px; padding: 6px 0; line-height: 1.6;
}
.top-bar .container {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 4px 16px;
}
.top-bar a { color: inherit; }
.top-bar a:hover { color: var(--orange); }

/* ===== Header ===== */
.site-header {
  background: rgba(255,255,255,.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-300);
  position: sticky; top: 0; z-index: 100;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { font-size: 20px; font-weight: 700; color: var(--blue); white-space: nowrap; }
.logo a { color: inherit; }

.nav-list { display: flex; gap: 28px; }
.nav-list a { color: var(--gray-700); font-size: 15px; font-weight: 500; transition: color .2s; }
.nav-list a:hover { color: var(--orange); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 28px; height: 28px; background: none; border: none; cursor: pointer; padding: 0;
}
.hamburger span {
  display: block; height: 2px; background: var(--gray-900); border-radius: 2px; transition: .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Section Common ===== */
.section { padding: 72px 0; }
.section--alt { background: var(--gray-100); }
.section__label {
  font-size: 12px; font-weight: 600; letter-spacing: 4px; text-transform: uppercase;
  color: var(--orange); margin-bottom: 8px; text-align: center;
}
.section__title { font-size: 28px; color: var(--blue-dark); margin-bottom: 8px; }
.section__sub { font-size: 15px; color: var(--gray-500); margin-bottom: 40px; }
.section__title--center { text-align: center; }
.section__sub--center { text-align: center; }

/* ===== Hero: 全屏大图背景 ===== */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(90deg, rgba(6,20,40,.92) 0%, rgba(6,20,40,.82) 35%, rgba(6,20,40,.70) 100%),
    url('company-yard.jpg') center center / cover no-repeat;
  color: var(--white); text-align: center;
}
.hero .container { position: relative; z-index: 2; max-width: 800px; }
.hero h1 { font-size: 40px; font-weight: 700; margin-bottom: 16px; color: var(--white); line-height: 1.35; }
.hero .lead { font-size: 19px; opacity: .82; margin-bottom: 40px; }

/* Hero CTA Buttons */
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 32px; border-radius: var(--radius); font-size: 15px; font-weight: 600; cursor: pointer; transition: all .25s; }
.btn--white { background: var(--orange); color: var(--white); border: 2px solid var(--orange); }
.btn--white:hover { background: var(--orange-dark); border-color: var(--orange-dark); color: var(--white); transform: translateY(-1px); }
.btn--outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.7); }
.btn--outline:hover { background: rgba(255,255,255,.12); border-color: var(--white); transform: translateY(-1px); }
.btn--blue { background: var(--blue); color: var(--white); border: none; }
.btn--blue:hover { background: var(--orange); }
.btn--large { padding: 14px 40px; font-size: 16px; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2; text-align: center;
}
.scroll-indicator span {
  display: block; font-size: 11px; letter-spacing: 3px;
  color: rgba(255,255,255,.5); margin-bottom: 8px;
}
.scroll-arrow {
  width: 20px; height: 20px; border-right: 2px solid rgba(255,255,255,.5);
  border-bottom: 2px solid rgba(255,255,255,.5);
  transform: rotate(45deg); margin: 0 auto;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-arrow { animation: none; }
}

/* ===== Data Strip: Hero下方紧贴的数据带 ===== */
.data-strip {
  background: var(--navy-deep); padding: 48px 0; text-align: center;
  border-top: 1px solid rgba(255,255,255,.06);
}
.data-strip .data-cards {
  display: flex; justify-content: center; gap: 0; flex-wrap: wrap;
}
.data-strip .data-card {
  flex: 1 1 200px; max-width: 280px; padding: 16px 32px;
  border-right: 1px solid rgba(255,255,255,.08); text-align: center;
}
.data-strip .data-card:last-child { border-right: none; }
.data-strip .data-card__num {
  font-size: 48px; font-weight: 700; line-height: 1.2; color: var(--orange);
}
.data-strip .data-card__label {
  font-size: 13px; color: rgba(255,255,255,.6); margin-top: 6px; letter-spacing: 1px;
}

/* ===== Services Grid ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.service-card {
  background: var(--white); border: 1px solid var(--gray-300); border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card__image {
  width: 100%; aspect-ratio: 16 / 9; background: var(--gray-100);
  border-bottom: 1px solid var(--gray-300);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 8px; position: relative; overflow: hidden;
}
.service-card__image::before {
  content: ''; display: block; width: 32px; height: 32px; opacity: .25;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z'/%3E%3Ccircle cx='12' cy='13' r='4'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z'/%3E%3Ccircle cx='12' cy='13' r='4'/%3E%3C/svg%3E") center/contain no-repeat;
}
.service-card__image::after {
  content: attr(data-label); font-size: 13px; color: var(--gray-500);
  font-weight: 500; text-align: center; padding: 0 16px;
}
.service-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.service-card__icon {
  width: 48px; height: 48px; background: var(--blue-light); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.service-card__icon svg { width: 24px; height: 24px; stroke: var(--blue); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: 17px; color: var(--blue); margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--gray-700); flex: 1; }
.service-card__link {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--orange);
  transition: gap .2s;
}
.service-card__link:hover { gap: 8px; color: var(--orange-dark); }
.service-card__link::after { content: '→'; font-size: 16px; }

/* ===== Steps ===== */
.steps { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.step { text-align: center; min-width: 120px; }
.step__num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--orange); color: var(--white);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700;
  font-size: 14px; margin-bottom: 6px;
}
.step__label { font-size: 13px; color: var(--gray-700); }
.step__arrow { color: var(--gray-300); font-size: 20px; align-self: center; }

/* ===== Advantages ===== */
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.advantage-card {
  background: var(--white); border: 1px solid var(--gray-300); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.advantage-card h3 { font-size: 17px; color: var(--blue-dark); margin-bottom: 8px; }
.advantage-card p { font-size: 14px; color: var(--gray-700); }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.about-grid h3 { font-size: 18px; color: var(--blue-dark); margin-bottom: 10px; }
.about-grid p, .about-grid li { font-size: 14px; color: var(--gray-700); margin-bottom: 6px; }
.about-grid ul li::before { content: "· "; color: var(--orange); font-weight: 700; }

/* ===== Philosophy 宣言区 ===== */
.philosophy-section {
  background: var(--navy-deep); padding: 80px 0; text-align: center;
  position: relative; overflow: hidden;
}
.philosophy-section::before {
  content: ''; position: absolute; inset: 0; opacity: .04;
  background-image:
    repeating-linear-gradient(90deg, transparent, transparent 1px, rgba(255,255,255,.5) 1px, rgba(255,255,255,.5) 2px),
    repeating-linear-gradient(0deg, transparent, transparent 1px, rgba(255,255,255,.5) 1px, rgba(255,255,255,.5) 2px);
  background-size: 40px 40px;
  pointer-events: none;
}
.philosophy-section .container { position: relative; z-index: 1; max-width: 780px; }
.philosophy-section .section__label { color: var(--orange); }
.philosophy-section .philosophy-text {
  font-size: 22px; font-style: italic; color: rgba(255,255,255,.9);
  line-height: 1.8; font-weight: 400;
}

/* ===== CTA Banner (首页橙色) ===== */
.cta-banner {
  background: var(--orange); padding: 56px 0; text-align: center;
}
.cta-banner .container {
  display: flex; align-items: center; justify-content: center; gap: 32px; flex-wrap: wrap;
}
.cta-banner h2 { font-size: 24px; color: var(--white); font-weight: 700; }
.cta-banner .btn--outline-white {
  background: transparent; color: var(--white); border: 2px solid var(--white);
  padding: 12px 36px; border-radius: var(--radius); font-size: 15px; font-weight: 600;
  transition: all .25s; cursor: pointer; display: inline-block;
}
.cta-banner .btn--outline-white:hover {
  background: var(--white); color: var(--orange);
}

/* ===== Placeholder Image ===== */
.placeholder-img {
  width: 100%; background: var(--gray-100); border: 2px dashed var(--gray-300); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-500); font-size: 14px; min-height: 200px; flex-direction: column; gap: 8px;
}
.placeholder-img::before {
  content: ''; display: block; width: 32px; height: 32px;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z'/%3E%3Ccircle cx='12' cy='13' r='4'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z'/%3E%3Ccircle cx='12' cy='13' r='4'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ===== Page Banner (changjia) 60vh ===== */
.page-banner {
  position: relative; overflow: hidden;
  min-height: 60vh;
  display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(90deg, rgba(6,20,40,.90) 0%, rgba(6,20,40,.75) 45%, rgba(6,20,40,.60) 100%),
    url('company-yard.jpg') center center / cover no-repeat;
  color: var(--white); text-align: center;
}
.page-banner .container { position: relative; z-index: 2; max-width: 760px; }
.page-banner h1 { font-size: 38px; margin-bottom: 16px; font-weight: 700; }
.page-banner .lead { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.page-banner .sub { font-size: 15px; opacity: .78; }

/* ===== Highlight Card (体验钩子) ===== */
.highlight-card {
  background: var(--white);
  border: 2px solid var(--orange); border-radius: var(--radius);
  padding: 32px; text-align: center; margin-top: 40px;
}
.highlight-card h3 { color: var(--orange); font-size: 20px; margin-bottom: 10px; }
.highlight-card p { font-size: 15px; color: var(--gray-700); }

/* ===== Pricing Concept ===== */
.pricing-block {
  background: var(--white); border: 1px solid var(--gray-300); border-radius: var(--radius);
  padding: 32px; text-align: center; margin-top: 40px;
}
.pricing-block h3 { font-size: 20px; color: var(--blue-dark); margin-bottom: 12px; }
.pricing-block p { font-size: 15px; color: var(--gray-700); }

/* ===== CTA Bottom (changjia) ===== */
.cta-bottom {
  background: var(--navy-deep); color: var(--white); padding: 48px 0; text-align: center;
}
.cta-bottom h2 { font-size: 24px; margin-bottom: 16px; }
.cta-bottom .contact-row { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.cta-bottom .contact-item { font-size: 15px; opacity: .9; }
.cta-bottom .btn { margin-top: 8px; }

/* ===== Footer ===== */
.site-footer {
  background: #08182b; color: rgba(255,255,255,.65); padding: 48px 0 0; font-size: 13px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 40px;
  text-align: left; padding-bottom: 32px;
}
.footer-col h4 {
  color: var(--white); font-size: 15px; font-weight: 600; margin-bottom: 16px;
  padding-bottom: 8px; border-bottom: 2px solid var(--orange); display: inline-block;
}
.footer-col p, .footer-col li { margin-bottom: 8px; line-height: 1.7; }
.footer-col a { color: rgba(255,255,255,.6); }
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0;
  text-align: center; color: rgba(255,255,255,.35); font-size: 12px;
}

/* ===== Scroll Reveal ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== Misc ===== */
.text-accent { color: var(--orange); }

/* ===== 关于我们：实景背景深色板块 ===== */
#about {
  background:
    linear-gradient(rgba(13,43,82,.90), rgba(26,75,140,.86)),
    url('company-yard.jpg') center 35% / cover no-repeat;
}
#about .section__title { color: #fff; }
#about .about-grid > div {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  padding: 22px 24px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform .3s, background .3s;
}
#about .about-grid > div:hover { transform: translateY(-4px); background: rgba(255,255,255,.11); }
#about .about-grid h3 { color: #fff; }
#about .about-grid h3::before { content: ""; display: inline-block; width: 18px; height: 3px; background: var(--orange); margin-right: 8px; vertical-align: middle; border-radius: 2px; }
#about .about-grid p, #about .about-grid li { color: rgba(255,255,255,.82); }

/* ===== Logo ===== */
.logo a { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { height: 38px; width: 38px; object-fit: contain; }
.footer-logo { height: 56px; width: 56px; object-fit: contain; margin-bottom: 12px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .top-bar .container { justify-content: center; text-align: center; }
  .hamburger { display: flex; }
  .nav { position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    background: var(--white); display: none; flex-direction: column; padding: 32px 20px;
    z-index: 99;
  }
  .nav.open { display: flex; }
  .nav-list { flex-direction: column; gap: 20px; }
  .nav-list a { font-size: 18px; }

  .hero { min-height: 90vh; }
  .hero h1 { font-size: 26px; }
  .hero .lead { font-size: 16px; }

  .data-strip .data-card {
    flex: 1 1 45%; max-width: none; border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.08); padding: 20px 16px;
  }
  .data-strip .data-card:nth-child(3), .data-strip .data-card:nth-child(4) { border-bottom: none; }
  .data-strip .data-card__num { font-size: 36px; }

  .section { padding: 48px 0; }
  .section__title { font-size: 22px; }

  .services-grid, .advantages-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }

  .steps { gap: 8px; }
  .step { min-width: 80px; }

  .page-banner { min-height: 50vh; }
  .page-banner h1 { font-size: 26px; }
  .page-banner .lead { font-size: 17px; }

  .philosophy-section { padding: 56px 0; }
  .philosophy-section .philosophy-text { font-size: 18px; }

  .cta-banner .container { flex-direction: column; gap: 20px; }
  .cta-banner h2 { font-size: 20px; }
}

/* ===== About Intro (index) ===== */
.about-intro {
  font-size: 17px; color: rgba(255,255,255,.88); text-align: center;
  max-width: 780px; margin: 0 auto 40px; line-height: 1.8;
}

/* ===== Timeline (发展历程) ===== */
.timeline-section { padding: 0 0 16px; }
.timeline-subtitle {
  font-size: 20px; color: #fff; text-align: center;
  margin-bottom: 40px; font-weight: 600;
}
.timeline {
  display: flex; justify-content: center; align-items: flex-start; gap: 0;
  position: relative; max-width: 960px; margin: 0 auto;
}
.timeline::before {
  content: ''; position: absolute; top: 10px; left: 10%; right: 10%;
  height: 2px; background: rgba(255,255,255,.18); z-index: 0;
}
.timeline-item {
  flex: 1; text-align: center; position: relative; z-index: 1; padding: 0 12px;
}
.timeline-dot {
  width: 14px; height: 14px; background: var(--orange); border-radius: 50%;
  margin: 0 auto 16px; position: relative; z-index: 2;
  box-shadow: 0 0 0 4px rgba(242,122,36,.25);
}
.timeline-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px; padding: 20px 16px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.timeline-year {
  font-size: 15px; font-weight: 700; color: var(--orange); margin-bottom: 6px;
}
.timeline-text {
  font-size: 13px; color: rgba(255,255,255,.78); line-height: 1.65;
}

/* ===== 生态合作网络 (Eco Network) ===== */
.eco-section { padding: 56px 0 0; }
.eco-subtitle {
  font-size: 20px; color: #fff; text-align: center;
  margin-bottom: 36px; font-weight: 600;
}
.eco-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}
.eco-col {
  text-align: center;
}
.eco-col__cat {
  font-size: 15px; font-weight: 700; color: var(--orange); margin-bottom: 8px;
}
.eco-col__desc {
  font-size: 13px; color: rgba(255,255,255,.72); line-height: 1.65;
}

/* ===== Benefit Cards (changjia) ===== */
.benefit-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px;
}
.benefit-card {
  background: var(--white); border: 1px solid var(--gray-300); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.benefit-card__icon {
  width: 48px; height: 48px; background: var(--blue-light); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.benefit-card__icon svg { width: 24px; height: 24px; stroke: var(--blue); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.benefit-card h3 { font-size: 17px; color: var(--blue); margin-bottom: 8px; }
.benefit-card p { font-size: 14px; color: var(--gray-700); line-height: 1.65; }

/* ===== Pricing List (changjia) ===== */
.pricing-list {
  text-align: left; max-width: 680px; margin: 20px auto 0;
  padding: 0; list-style: none;
}
.pricing-list li {
  font-size: 15px; color: var(--gray-700); padding: 8px 0 8px 20px;
  position: relative; line-height: 1.7;
}
.pricing-list li::before {
  content: ''; position: absolute; left: 0; top: 16px;
  width: 6px; height: 6px; background: var(--orange); border-radius: 50%;
}
.pricing-note {
  font-size: 12px; color: var(--gray-500); margin-top: 16px; text-align: center;
}

/* ===== Responsive: new sections ===== */
@media (max-width: 768px) {
  .about-intro { font-size: 15px; }

  /* Timeline vertical */
  .timeline {
    flex-direction: column; align-items: stretch; gap: 0;
  }
  .timeline::before {
    top: 0; bottom: 0; left: 20px; right: auto;
    width: 2px; height: auto;
  }
  .timeline-item {
    flex: none; text-align: left; padding: 0 0 32px 44px;
  }
  .timeline-dot {
    position: absolute; left: 13px; top: 4px; margin: 0;
  }
  .timeline-card { text-align: left; }

  /* Eco grid -> wrap */
  .eco-grid { grid-template-columns: repeat(2, 1fr); }

  /* Benefit grid -> 1 col */
  .benefit-grid { grid-template-columns: 1fr; }

  .pricing-list { padding: 0 8px; }
}

/* ===== 调整：Hero 图幅收小 ===== */
.hero { min-height: 78vh; }

/* ===== 调整：关于我们三块改竖版 ===== */
#about .about-grid { grid-template-columns: 1fr; gap: 20px; max-width: 860px; margin-left: auto; margin-right: auto; }
#about .about-grid > div { display: flex; align-items: flex-start; gap: 28px; }
#about .about-grid h3 { flex: 0 0 130px; margin-bottom: 0; }
#about .about-grid p, #about .about-grid ul { flex: 1; margin-bottom: 0; }

/* ===== 发展历程：突出年头与成长 ===== */
.timeline-badge { text-align: center; margin: 4px 0 44px; }
.timeline-badge .years { font-size: 68px; font-weight: 800; color: var(--orange); line-height: 1; }
.timeline-badge .years small { font-size: 24px; font-weight: 700; margin-left: 6px; }
.timeline-badge .caption { color: rgba(255,255,255,.85); font-size: 15px; margin-top: 10px; letter-spacing: 1px; }
.timeline-year { font-size: 19px; }
.timeline-card { transition: transform .3s, background .3s; }
.timeline-card:hover { background: rgba(255,255,255,.13); }
@media (min-width: 769px) {
  .timeline-item:nth-child(2) .timeline-card { transform: translateY(-16px); }
  .timeline-item:nth-child(3) .timeline-card { transform: translateY(-32px); }
  .timeline-item:nth-child(4) .timeline-card { transform: translateY(-48px); border-color: rgba(242,122,36,.5); }
  .timeline-item:nth-child(2) .timeline-card:hover { transform: translateY(-20px); }
  .timeline-item:nth-child(3) .timeline-card:hover { transform: translateY(-36px); }
  .timeline-item:nth-child(4) .timeline-card:hover { transform: translateY(-52px); }
}

@media (max-width: 768px) {
  .hero { min-height: 68vh; }
  #about .about-grid > div { flex-direction: column; gap: 8px; }
  .timeline-badge .years { font-size: 52px; }
}

/* ===== 调整2：三块改三列竖卡 ===== */
#about .about-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: none; align-items: stretch; }
#about .about-grid > div { flex-direction: column; gap: 12px; display: flex; }
#about .about-grid h3 { flex: none; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.18); }
#about .about-grid p, #about .about-grid ul { flex: 1; }

/* ===== 调整2：发展历程与上方拉开距离 ===== */
.timeline-section { margin-top: 88px; }

@media (max-width: 900px) {
  #about .about-grid { grid-template-columns: 1fr; }
  .timeline-section { margin-top: 56px; }
}

/* ===== 服务卡配图 ===== */
.service-card__image { overflow: hidden; padding: 0; }
.service-card__image img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.service-card:hover .service-card__image img { transform: scale(1.05); }

/* ===== 生态 logo 墙 ===== */
.logo-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; margin-top: 36px; }
.logo-card { background: #fff; border-radius: 10px; height: 84px; display: flex; align-items: center; justify-content: center; padding: 12px 16px; transition: transform .3s, box-shadow .3s; }
.logo-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,.28); }
.logo-card img { max-width: 100%; max-height: 52px; object-fit: contain; }
.logo-card--dark { background: #12233f; }
.logo-card--text span { color: var(--blue-dark); font-weight: 700; font-size: 14px; text-align: center; line-height: 1.4; }
@media (max-width: 768px) {
  .logo-wall { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; }
  .logo-card { height: 68px; padding: 8px 10px; }
  .logo-card img { max-height: 40px; }
}

/* ===== logo 墙：3行自动滚动 ===== */
.logo-wall { display: flex; flex-direction: column; gap: 14px; overflow: hidden; }
.logo-row { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.logo-track { display: flex; gap: 14px; width: max-content; animation: logo-scroll 50s linear infinite; }
.logo-row:nth-child(2) .logo-track { animation-direction: reverse; animation-duration: 58s; }
.logo-row:nth-child(3) .logo-track { animation-duration: 64s; }
.logo-wall:hover .logo-track { animation-play-state: paused; }
.logo-card { width: 180px; flex: none; }
@keyframes logo-scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .logo-track { animation: none; }
  .logo-row { overflow-x: auto; }
}
@media (max-width: 768px) {
  .logo-card { width: 130px; }
  .logo-track { animation-duration: 40s; }
}

/* ===== logo 墙调整：统一方向 + 减速 ===== */
.logo-track { animation-duration: 90s; }
.logo-row:nth-child(2) .logo-track { animation-direction: normal; animation-duration: 90s; }
.logo-row:nth-child(3) .logo-track { animation-duration: 90s; }
@media (max-width: 768px) {
  .logo-track, .logo-row:nth-child(2) .logo-track, .logo-row:nth-child(3) .logo-track { animation-duration: 70s; }
}

/* ===== logo 显示归一化（配合裁边后的图片） ===== */
.logo-card img { width: auto; height: auto; max-width: calc(100% - 8px); max-height: 58px; }