/* 瑞泉水处理 四川地区 - 基础样式(各城市共用,主题色由城市CSS覆盖) */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans CN", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #2c3e50;
  background: #f5f7fa;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--rq-primary, #1e88e5); }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; }
ul, li { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 12px; }
:root {
  --rq-primary: #1e88e5;
  --rq-primary-dark: #1565c0;
  --rq-primary-light: #64b5f6;
  --rq-accent: #ff7043;
  --rq-bg: #f5f7fa;
  --rq-text: #2c3e50;
  --rq-text-soft: #607d8b;
  --rq-border: #e0e6ed;
  --rq-card: #ffffff;
  --rq-shadow: 0 4px 20px rgba(0, 0, 0, .08);
  --rq-shadow-lg: 0 10px 40px rgba(0, 0, 0, .12);
  --rq-radius: 12px;
  --rq-radius-sm: 6px;
  --rq-header-h: 70px;
}

/* ========== Header ========== */
.rq-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--rq-header-h);
  background: rgba(255, 255, 255, .98);
  backdrop-filter: saturate(180%) blur(10px);
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
  z-index: 1000;
  transition: all .3s;
}
.rq-header.scrolled { background: rgba(255,255,255,.99); box-shadow: 0 4px 20px rgba(0,0,0,.1); }
.rq-header-inner {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.rq-logo {
  display: flex;
  align-items: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--rq-text);
  white-space: nowrap;
  flex-shrink: 0;
}
.rq-logo-main, .rq-logo-sub, .rq-logo-sep {
  font-size: 22px !important;
  font-weight: 700;
}
.rq-logo-main { color: var(--rq-primary); }
.rq-logo-sep { margin: 0 8px; color: var(--rq-text-soft); font-weight: 400; }
.rq-logo-sub { color: var(--rq-text); }
.rq-logo:hover .rq-logo-main, .rq-logo:hover .rq-logo-sub { color: var(--rq-primary); }

.rq-nav { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
.rq-nav-link {
  padding: 8px 14px;
  font-size: 15px;
  color: var(--rq-text);
  position: relative;
  border-radius: var(--rq-radius-sm);
  transition: all .25s;
}
.rq-nav-link:hover { color: var(--rq-primary); background: rgba(30,136,229,.06); }
.rq-nav-link.rq-active { color: var(--rq-primary); font-weight: 600; }
.rq-nav-link.rq-active::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--rq-primary);
  border-radius: 2px;
}

.rq-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--rq-primary), var(--rq-primary-dark));
  color: #fff !important;
  border-radius: 30px;
  flex-shrink: 0;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(30,136,229,.3);
  transition: all .25s;
}
.rq-phone:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(30,136,229,.4); }
.rq-phone-icon { font-size: 18px; }
.rq-phone-text { display: flex; flex-direction: column; line-height: 1.1; }
.rq-phone-text i { font-size: 11px; opacity: .85; font-style: normal; }
.rq-phone-text b { font-size: 16px; font-weight: 600; }

.rq-menu-btn { display: none; background: none; border: 0; padding: 8px; flex-direction: column; gap: 4px; }
.rq-menu-btn span { display: block; width: 22px; height: 2px; background: var(--rq-text); border-radius: 1px; transition: .3s; }

.rq-mobile-nav {
  position: fixed;
  top: var(--rq-header-h); left: 0; right: 0;
  background: #fff;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s;
  box-shadow: 0 6px 20px rgba(0,0,0,.1);
  z-index: 999;
}
.rq-mobile-nav.open { max-height: 600px; overflow-y: auto; }
.rq-mobile-link { display: block; padding: 14px 24px; border-bottom: 1px solid var(--rq-border); color: var(--rq-text); font-size: 16px; }
.rq-mobile-link:hover { background: var(--rq-bg); color: var(--rq-primary); }

@media (max-width: 1100px) {
  .rq-nav { display: none; }
  .rq-phone-text { display: none; }
  .rq-phone { padding: 8px 12px; }
  .rq-menu-btn { display: flex; }
}
@media (max-width: 600px) {
  .rq-logo-main, .rq-logo-sub, .rq-logo-sep { font-size: 18px !important; }
  .rq-header-inner { gap: 12px; padding: 0 14px; }
  .rq-phone-icon { font-size: 20px; }
}

/* ========== Main / Section通用 ========== */
.rq-main { padding-top: var(--rq-header-h); }
.rq-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  position: relative;
}
.rq-h2 {
  text-align: center;
  margin-bottom: 16px;
}
.rq-h2-en {
  display: block;
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--rq-primary);
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.rq-h2-cn {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--rq-text);
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}
.rq-h2-cn::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 50px; height: 3px;
  background: var(--rq-primary);
  border-radius: 3px;
}
.rq-section-sub {
  text-align: center;
  color: var(--rq-text-soft);
  font-size: 15px;
  margin: 0 auto 48px;
  max-width: 800px;
}
.rq-lead {
  text-align: center;
  max-width: 980px;
  margin: 0 auto 48px;
  color: var(--rq-text-soft);
  font-size: 16px;
  line-height: 1.9;
}
.rq-lead strong { color: var(--rq-primary); font-weight: 600; }

/* ========== Banner ========== */
.rq-banner {
  position: relative;
  background: linear-gradient(135deg, var(--rq-primary) 0%, var(--rq-primary-dark) 100%);
  color: #fff;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: calc(-1 * var(--rq-header-h));
  padding-top: var(--rq-header-h);
  padding-bottom: 60px;
}
.rq-banner-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
}
.rq-banner-deco {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  z-index: 1;
}
.rq-deco-1 { width: 400px; height: 400px; top: -100px; right: -100px; animation: float 8s ease-in-out infinite; }
.rq-deco-2 { width: 250px; height: 250px; bottom: -50px; left: -50px; background: rgba(255,255,255,.05); animation: float 10s ease-in-out infinite reverse; }
.rq-deco-3 { width: 180px; height: 180px; top: 50%; right: 30%; background: rgba(255,255,255,.04); animation: float 12s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-30px); } }

.rq-banner-eyebrow {
  font-size: 14px;
  letter-spacing: 3px;
  opacity: .9;
  margin-bottom: 16px;
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 20px;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
}
.rq-banner-title {
  font-size: 48px;
  line-height: 1.2;
  margin: 0 0 24px;
  font-weight: 700;
}
.rq-banner-title-em {
  display: inline-block;
  font-size: 38px;
  background: linear-gradient(135deg, #fff, #fff8e1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 8px;
}
.rq-banner-sub {
  font-size: 17px;
  line-height: 1.8;
  opacity: .92;
  margin-bottom: 28px;
  max-width: 640px;
}
.rq-banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.rq-meta-item {
  padding: 8px 16px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 20px;
  font-size: 14px;
  backdrop-filter: blur(10px);
}
.rq-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.rq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 30px;
  transition: all .25s;
  cursor: pointer;
  border: 0;
  white-space: nowrap;
}
.rq-btn-primary {
  background: #fff;
  color: var(--rq-primary);
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
}
.rq-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.2); color: var(--rq-primary-dark); }
.rq-btn-ghost {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.4);
  backdrop-filter: blur(10px);
}
.rq-btn-ghost:hover { background: rgba(255,255,255,.25); color: #fff; }

.rq-banner-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  background: rgba(255,255,255,.12);
  padding: 24px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(10px);
}
.rq-stat-item {
  text-align: center;
  padding: 16px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  transition: all .3s;
}
.rq-stat-item:hover { background: rgba(255,255,255,.18); transform: translateY(-3px); }
.rq-stat-num {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.rq-stat-label {
  font-size: 13px;
  opacity: .85;
}

.rq-scroll-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 12px;
  display: flex; justify-content: center;
  padding-top: 6px;
}
.rq-scroll-hint span {
  display: block;
  width: 3px; height: 8px;
  background: rgba(255,255,255,.7);
  border-radius: 2px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot { 0%, 100% { opacity: 1; transform: translateY(0); } 50% { opacity: .3; transform: translateY(10px); } }

@media (max-width: 900px) {
  .rq-banner-inner { grid-template-columns: 1fr; gap: 36px; }
  .rq-banner-title { font-size: 36px; }
  .rq-banner-title-em { font-size: 28px; }
  .rq-banner-stats { padding: 16px; }
  .rq-stat-num { font-size: 24px; }
  .rq-scroll-hint { display: none; }
}
@media (max-width: 600px) {
  .rq-banner-title { font-size: 28px; }
  .rq-banner-title-em { font-size: 22px; }
  .rq-banner-sub { font-size: 14px; }
}

/* ========== About ========== */
.rq-section-about { background: #fff; max-width: 100%; padding: 80px 24px; }
.rq-section-about > * { max-width: 1280px; margin-left: auto; margin-right: auto; }
.rq-about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.rq-about-card {
  padding: 32px 24px;
  background: #fff;
  border: 1px solid var(--rq-border);
  border-radius: var(--rq-radius);
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.rq-about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--rq-primary), var(--rq-primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s;
}
.rq-about-card:hover { transform: translateY(-4px); box-shadow: var(--rq-shadow-lg); border-color: var(--rq-primary); }
.rq-about-card:hover::before { transform: scaleX(1); }
.rq-about-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--rq-primary), var(--rq-primary-light));
  color: #fff;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.rq-about-card h3 { font-size: 18px; margin-bottom: 10px; color: var(--rq-text); }
.rq-about-card p { color: var(--rq-text-soft); font-size: 14px; line-height: 1.7; margin: 0; }
@media (max-width: 900px) { .rq-about-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .rq-about-grid { grid-template-columns: 1fr; } }

/* ========== Advantages ========== */
.rq-section-advantages { background: var(--rq-bg); }
.rq-adv-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.rq-adv-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: #fff;
  border-radius: var(--rq-radius);
  border: 1px solid var(--rq-border);
  transition: all .3s;
}
.rq-adv-item:hover { border-color: var(--rq-primary); box-shadow: var(--rq-shadow); transform: translateY(-3px); }
.rq-adv-icon {
  flex-shrink: 0;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--rq-primary), var(--rq-primary-dark));
  color: #fff;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700;
  box-shadow: 0 6px 16px rgba(30,136,229,.25);
}
.rq-adv-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--rq-text); }
.rq-adv-item p { color: var(--rq-text-soft); font-size: 14px; line-height: 1.7; margin: 0; }
@media (max-width: 800px) { .rq-adv-list { grid-template-columns: 1fr; } }

/* ========== Products ========== */
.rq-section-products { background: #fff; max-width: 100%; padding: 80px 24px; }
.rq-section-products > * { max-width: 1280px; margin-left: auto; margin-right: auto; }
.rq-tab-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}
.rq-tab {
  padding: 10px 20px;
  background: var(--rq-bg);
  border: 1px solid var(--rq-border);
  border-radius: 30px;
  font-size: 14px;
  color: var(--rq-text);
  font-weight: 500;
  transition: all .25s;
}
.rq-tab:hover { color: var(--rq-primary); border-color: var(--rq-primary); }
.rq-tab.active {
  background: linear-gradient(135deg, var(--rq-primary), var(--rq-primary-dark));
  color: #fff;
  border-color: var(--rq-primary);
  box-shadow: 0 4px 12px rgba(30,136,229,.3);
}
.rq-product-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.rq-product-card {
  background: #fff;
  border: 1px solid var(--rq-border);
  border-radius: var(--rq-radius);
  overflow: hidden;
  transition: all .3s;
  display: flex; flex-direction: column;
}
.rq-product-card:hover { transform: translateY(-4px); box-shadow: var(--rq-shadow-lg); border-color: var(--rq-primary); }
.rq-product-inner { display: flex; flex-direction: column; height: 100%; }
.rq-product-img {
  position: relative;
  padding-top: 75%;
  background: var(--rq-bg);
  overflow: hidden;
}
.rq-product-img img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s;
  cursor: zoom-in;
}
.rq-product-card:hover .rq-product-img img { transform: scale(1.08); }
.rq-product-info { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.rq-product-info h3 { font-size: 15px; margin-bottom: 8px; color: var(--rq-text); line-height: 1.5; min-height: 45px; }
.rq-product-info p { font-size: 13px; color: var(--rq-text-soft); line-height: 1.6; margin: 0 0 10px; flex: 1; }
.rq-product-cat {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(30,136,229,.08);
  color: var(--rq-primary);
  border-radius: 4px;
  font-size: 12px;
  align-self: flex-start;
}
@media (max-width: 1100px) { .rq-product-list { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 800px) { .rq-product-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .rq-product-list { grid-template-columns: 1fr; } }

/* ========== Solution ========== */
.rq-section-solution { background: var(--rq-bg); }
.rq-sol-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.rq-sol-card {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--rq-radius);
  border: 1px solid var(--rq-border);
  transition: all .3s;
  display: flex; flex-direction: column;
}
.rq-sol-card:hover { transform: translateY(-4px); box-shadow: var(--rq-shadow); border-color: var(--rq-primary); }
.rq-sol-card h3 { font-size: 16px; color: var(--rq-primary); margin-bottom: 10px; }
.rq-sol-card p { color: var(--rq-text-soft); font-size: 13px; line-height: 1.7; flex: 1; margin: 0 0 16px; }
.rq-sol-link {
  color: var(--rq-primary);
  font-size: 14px;
  font-weight: 500;
}
.rq-sol-link:hover { text-decoration: underline; }
@media (max-width: 1100px) { .rq-sol-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .rq-sol-grid { grid-template-columns: 1fr; } }

/* ========== Cases ========== */
.rq-section-cases { background: #fff; max-width: 100%; padding: 80px 24px; }
.rq-section-cases > * { max-width: 1280px; margin-left: auto; margin-right: auto; }
.rq-case-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.rq-case-card {
  background: linear-gradient(135deg, #fff 0%, var(--rq-bg) 100%);
  padding: 28px 24px;
  border-radius: var(--rq-radius);
  border: 1px solid var(--rq-border);
  position: relative;
  transition: all .3s;
}
.rq-case-card:hover { transform: translateY(-3px); box-shadow: var(--rq-shadow); }
.rq-case-num {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 24px;
  font-weight: 800;
  color: var(--rq-primary);
  opacity: .25;
}
.rq-case-card h3 { font-size: 16px; margin-bottom: 10px; color: var(--rq-text); }
.rq-case-card p { color: var(--rq-text-soft); font-size: 13px; line-height: 1.7; margin: 0; }
@media (max-width: 900px) { .rq-case-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .rq-case-list { grid-template-columns: 1fr; } }

/* ========== FAQ ========== */
.rq-section-faq { background: var(--rq-bg); }
.rq-faq-list { max-width: 980px; margin: 0 auto; }
.rq-faq-item {
  background: #fff;
  border: 1px solid var(--rq-border);
  border-radius: var(--rq-radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s;
}
.rq-faq-item.open { border-color: var(--rq-primary); }
.rq-faq-q {
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  font-size: 15px;
  font-weight: 500;
  color: var(--rq-text);
  transition: background .2s;
}
.rq-faq-q:hover { background: var(--rq-bg); }
.rq-faq-num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--rq-primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 600;
}
.rq-faq-qtext { flex: 1; line-height: 1.5; }
.rq-faq-arrow {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--rq-bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 600;
  color: var(--rq-primary);
  transition: transform .3s;
}
.rq-faq-item.open .rq-faq-arrow { transform: rotate(180deg); background: var(--rq-primary); color: #fff; }
.rq-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.rq-faq-ainner {
  padding: 0 24px 20px 66px;
  color: var(--rq-text-soft);
  font-size: 14px;
  line-height: 1.85;
}

/* ========== Contact ========== */
.rq-section-contact { background: linear-gradient(180deg, #fff 0%, var(--rq-bg) 100%); max-width: 100%; padding: 80px 24px; }
.rq-section-contact > * { max-width: 1280px; margin-left: auto; margin-right: auto; }
.rq-contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  margin-top: 20px;
}
.rq-contact-info {
  background: #fff;
  padding: 36px 32px;
  border-radius: var(--rq-radius);
  box-shadow: var(--rq-shadow);
  border: 1px solid var(--rq-border);
}
.rq-contact-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--rq-border);
  align-items: start;
}
.rq-contact-row:last-child { border-bottom: 0; }
.rq-contact-label {
  color: var(--rq-primary);
  font-weight: 600;
  font-size: 15px;
}
.rq-contact-value { color: var(--rq-text); font-size: 15px; line-height: 1.7; }
.rq-contact-value a { color: var(--rq-primary); }
.rq-contact-value a:hover { text-decoration: underline; }
.rq-contact-qr { display: flex; align-items: center; justify-content: center; }
.rq-qr-card {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--rq-radius);
  box-shadow: var(--rq-shadow);
  border: 1px solid var(--rq-border);
  text-align: center;
  width: 100%;
  max-width: 320px;
}
.rq-qr-card img {
  width: 200px; height: 200px;
  margin: 0 auto 16px;
  border-radius: 8px;
  border: 1px solid var(--rq-border);
  padding: 8px;
  background: #fff;
}
.rq-qr-card p { margin: 0; font-size: 15px; color: var(--rq-text); font-weight: 500; }
.rq-qr-tip { font-size: 13px !important; color: var(--rq-text-soft) !important; margin-top: 4px !important; }
@media (max-width: 800px) {
  .rq-contact-grid { grid-template-columns: 1fr; }
  .rq-contact-info { padding: 24px 20px; }
  .rq-contact-row { grid-template-columns: 90px 1fr; gap: 10px; }
  .rq-qr-card img { width: 160px; height: 160px; }
}

/* ========== Product Sites ========== */
.rq-section-prodsites { background: #fff; max-width: 100%; padding: 80px 24px; }
.rq-section-prodsites > * { max-width: 1280px; margin-left: auto; margin-right: auto; }
.rq-prodsites-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.rq-prodsite-card {
  background: var(--rq-bg);
  padding: 28px 16px;
  border-radius: var(--rq-radius);
  text-align: center;
  border: 1px solid var(--rq-border);
  transition: all .3s;
  color: var(--rq-text);
}
.rq-prodsite-card:hover { background: linear-gradient(135deg, var(--rq-primary), var(--rq-primary-dark)); color: #fff; transform: translateY(-3px); box-shadow: var(--rq-shadow); border-color: var(--rq-primary); }
.rq-prodsite-card:hover h3, .rq-prodsite-card:hover p, .rq-prodsite-card:hover .rq-prodsite-go { color: #fff; }
.rq-prodsite-card h3 { font-size: 16px; margin-bottom: 6px; }
.rq-prodsite-card p { font-size: 13px; color: var(--rq-text-soft); margin: 0 0 10px; }
.rq-prodsite-go { color: var(--rq-primary); font-size: 13px; font-weight: 500; }
@media (max-width: 1000px) { .rq-prodsites-list { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .rq-prodsites-list { grid-template-columns: repeat(2, 1fr); } }

/* ========== Friend Links ========== */
.rq-section-friendlinks { background: var(--rq-bg); }
.rq-friendlinks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.rq-friendlink {
  padding: 8px 18px;
  background: #fff;
  border: 1px solid var(--rq-border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--rq-text);
  transition: all .25s;
}
.rq-friendlink:hover { background: var(--rq-primary); color: #fff; border-color: var(--rq-primary); }
.rq-friendlink.active { background: var(--rq-primary); color: #fff; border-color: var(--rq-primary); font-weight: 500; }

/* ========== Footer ========== */
.rq-footer { background: #1a2332; color: rgba(255,255,255,.85); padding: 60px 24px 0; }
.rq-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.rq-footer-logo { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.rq-footer-col p { font-size: 13px; line-height: 1.9; margin: 0 0 6px; }
.rq-footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.rq-footer-col ul li { margin-bottom: 8px; }
.rq-footer-col a { color: rgba(255,255,255,.85); font-size: 13px; }
.rq-footer-col a:hover { color: var(--rq-primary-light); }
.rq-footer-icp { font-size: 12px !important; opacity: .8; }
.rq-footer-qr { text-align: center; }
.rq-footer-qr img { width: 120px; height: 120px; margin: 0 auto 8px; border-radius: 6px; }
.rq-footer-qr p { font-size: 12px; margin: 0; }
.rq-footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 0;
  text-align: center;
  font-size: 12px;
  opacity: .75;
}
.rq-footer-bottom p { margin: 4px 0; }
.rq-footer-bottom a { color: rgba(255,255,255,.85); }
.rq-footer-bottom a:hover { color: var(--rq-primary-light); }
@media (max-width: 900px) {
  .rq-footer-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .rq-footer-inner { grid-template-columns: 1fr; gap: 24px; }
}

/* ========== Lightbox ========== */
.rq-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.88);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
  cursor: zoom-out;
}
.rq-lightbox.open { display: flex; }
.rq-lightbox-img { max-width: 90vw; max-height: 80vh; object-fit: contain; border-radius: 4px; }
.rq-lightbox-cap { color: #fff; padding-top: 16px; font-size: 14px; text-align: center; }
.rq-lightbox-close {
  position: absolute;
  top: 20px; right: 30px;
  color: #fff;
  font-size: 36px;
  cursor: pointer;
  z-index: 10000;
  line-height: 1;
}

/* ========== Reveal动画 ========== */
.rq-reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.rq-reveal.rq-show { opacity: 1; transform: translateY(0); }
.rq-about-card.rq-reveal, .rq-adv-item.rq-reveal, .rq-sol-card.rq-reveal, .rq-case-card.rq-reveal { transition-delay: 0s; }
.rq-about-card.rq-reveal:nth-child(2), .rq-adv-item.rq-reveal:nth-child(2), .rq-sol-card.rq-reveal:nth-child(2), .rq-case-card.rq-reveal:nth-child(2) { transition-delay: .1s; }
.rq-about-card.rq-reveal:nth-child(3), .rq-adv-item.rq-reveal:nth-child(3), .rq-sol-card.rq-reveal:nth-child(3), .rq-case-card.rq-reveal:nth-child(3) { transition-delay: .2s; }
.rq-about-card.rq-reveal:nth-child(4), .rq-adv-item.rq-reveal:nth-child(4), .rq-sol-card.rq-reveal:nth-child(4), .rq-case-card.rq-reveal:nth-child(4) { transition-delay: .3s; }
.rq-about-card.rq-reveal:nth-child(5), .rq-adv-item.rq-reveal:nth-child(5), .rq-sol-card.rq-reveal:nth-child(5), .rq-case-card.rq-reveal:nth-child(5) { transition-delay: .4s; }
.rq-about-card.rq-reveal:nth-child(6), .rq-adv-item.rq-reveal:nth-child(6), .rq-sol-card.rq-reveal:nth-child(6), .rq-case-card.rq-reveal:nth-child(6) { transition-delay: .5s; }

/* 字体声明,使用系统中文字体回退,避免侵权 */
@font-face { font-family: 'Local SC'; src: local("PingFang SC"), local("Microsoft YaHei"), local("Source Han Sans CN"), local("Noto Sans CJK SC"); }