﻿@charset "utf-8";

@import url("https://fonts.loli.net/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@500;700&display=swap");

.site-footer {
  --ft-brand: #cb0401;
  --ft-brand-deep: #a50301;
  --ft-brand-soft: #e01a16;
  --ft-line: rgba(255, 255, 255, 0.18);
  --ft-text: rgba(255, 255, 255, 0.88);
  --ft-muted: rgba(255, 255, 255, 0.62);
  --ft-accent: #ffd4d2;
  --ft-hover: #fff5f4;
  --ft-title: #ffffff;
  position: relative;
  margin-top: 48px;
  color: var(--ft-text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 28%),
    linear-gradient(165deg, var(--ft-brand-soft) 0%, var(--ft-brand) 42%, var(--ft-brand-deep) 100%);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55) 25%, #fff 50%, rgba(255, 255, 255, 0.55) 75%, transparent);
  opacity: 0.55;
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.8;
}

.site-footer .ft-inner {
  position: relative;
  z-index: 1;
  width: 1200px;
  max-width: 96%;
  margin: 0 auto;
  padding: 52px 0 0;
}

.site-footer .ft-brand {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--ft-line);
  animation: ftRise 0.7s ease both;
}

.site-footer .ft-brand-main {
  display: flex;
  align-items: center;
  gap: 22px;
  min-width: 0;
}

.site-footer .ft-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.14);
  padding: 6px;
  box-sizing: border-box;
}

.site-footer .ft-brand-copy h3 {
  margin: 0 0 8px;
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ft-title);
  line-height: 1.2;
}

.site-footer .ft-brand-copy p {
  margin: 0;
  max-width: 420px;
  font-size: 13px;
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--ft-muted);
  padding: 0;
}

.site-footer .ft-hotline {
  text-align: right;
  flex-shrink: 0;
  animation: ftRise 0.7s ease 0.08s both;
}

.site-footer .ft-hotline span {
  display: block;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ft-accent);
  margin-bottom: 6px;
}

.site-footer .ft-hotline strong {
  display: block;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  line-height: 1.1;
}

.site-footer .ft-hotline em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 13px;
  color: var(--ft-muted);
  letter-spacing: 0.04em;
}

.site-footer .ft-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 40px 0 36px;
}

.site-footer .ft-col {
  flex: 1;
  min-width: 0;
  animation: ftRise 0.75s ease both;
}

.site-footer .ft-col:nth-child(1) { animation-delay: 0.1s; }
.site-footer .ft-col:nth-child(2) { animation-delay: 0.16s; }
.site-footer .ft-col:nth-child(3) { animation-delay: 0.22s; }
.site-footer .ft-col:nth-child(4) { animation-delay: 0.28s; }
.site-footer .ft-col:nth-child(5) { animation-delay: 0.34s; }
.site-footer .ft-col:nth-child(6) { animation-delay: 0.4s; }

.site-footer .ft-col h4 {
  position: relative;
  margin: 0 0 18px;
  padding-bottom: 12px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ft-title);
}

.site-footer .ft-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 1px;
  background: rgba(255, 255, 255, 0.75);
  transition: width 0.35s ease;
}

.site-footer .ft-col:hover h4::after {
  width: 48px;
}

.site-footer .ft-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer .ft-col li {
  margin: 0 0 10px;
  list-style: none;
}

.site-footer .ft-col a {
  position: relative;
  display: inline-block;
  color: var(--ft-text);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-decoration: none;
  line-height: 1.6;
  transition: color 0.25s ease, transform 0.25s ease;
}

.site-footer .ft-col a::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width 0.3s ease;
}

.site-footer .ft-col a:hover {
  color: var(--ft-hover);
  transform: translateX(4px);
  text-decoration: none;
}

.site-footer .ft-col a:hover::before {
  width: 100%;
}

.site-footer .ft-col .ft-contact-line {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ft-text);
  letter-spacing: 0.03em;
  padding: 0;
}

.site-footer .ft-col .ft-contact-line b {
  display: inline-block;
  min-width: 4.5em;
  font-weight: 500;
  color: var(--ft-muted);
}

.site-footer .ft-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
}

.site-footer .ft-badges a {
  display: inline-flex;
  align-items: center;
  opacity: 0.85;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.site-footer .ft-badges a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.site-footer .ft-badges img {
  height: 42px;
  width: auto;
  border: 0;
  filter: grayscale(0.15) brightness(1.05);
}

.site-footer .ft-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 22px;
  border-top: 1px solid var(--ft-line);
  font-size: 12px;
  color: var(--ft-muted);
  letter-spacing: 0.04em;
  animation: ftRise 0.8s ease 0.45s both;
}

.site-footer .ft-bottom a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.site-footer .ft-bottom a:hover {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.7);
}

@keyframes ftRise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .site-footer .ft-nav {
    flex-wrap: wrap;
  }
  .site-footer .ft-col {
    flex: 0 0 calc(33.333% - 14px);
  }
}

@media (max-width: 768px) {
  .site-footer .ft-brand,
  .site-footer .ft-bottom {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  .site-footer .ft-hotline {
    text-align: left;
  }
  .site-footer .ft-col {
    flex: 0 0 calc(50% - 10px);
  }
}
