/* =====================================================
   千木云集 - 首页样式
   ===================================================== */

/* ---------- 焦点大图（Swiper fade 切换 + 导航透明状态悬浮其上） ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
}
.hero-swiper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-slide {
  position: relative;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-slide::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.28), rgba(0,0,0,0) 35%, rgba(0,0,0,.42));
}
/* Swiper fade 必须显式配置 slide 绝对定位 */
.hero-swiper.swiper-fade .swiper-slide {
  pointer-events: none;
}
.hero-swiper.swiper-fade .swiper-slide-active {
  pointer-events: auto;
}

.hero-tagline {
  position: absolute;
  top: 128px; left: 0; right: 0;
  text-align: center;
  color: #fff;
  font-size: 21px;
  letter-spacing: 10px;
  z-index: 2;
  text-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.hero-bottom {
  position: absolute;
  bottom: 9%; left: 0; right: 0;
  text-align: center;
  z-index: 2;
  color: #fff;
}
.hero-en {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-shadow: 0 3px 18px rgba(0,0,0,.4);
}
.hero-en svg { width: 38px; height: 38px; fill: var(--green-light); filter: drop-shadow(0 2px 6px rgba(0,0,0,.4)); }
.hero-sub {
  margin-top: 16px;
  font-size: 14px;
  letter-spacing: 6px;
  color: rgba(255,255,255,.88);
}

/* hero 导航箭头 */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px; height: 50px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 50%;
  background: rgba(0,0,0,.15);
  backdrop-filter: blur(4px);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: all .3s;
}
.hero-arrow:hover { background: var(--green-light); border-color: var(--green-light); }
.hero-arrow svg { width: 20px; height: 20px; }
.hero-arrow.prev { left: 36px; }
.hero-arrow.next { right: 36px; }

/* hero 分页器 */
.hero-pagination {
  position: absolute;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 12px;
}
.hero-pagination .swiper-pagination-bullet {
  width: 36px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,.4);
  opacity: 1;
  margin: 0;
  transition: all .3s;
}
.hero-pagination .swiper-pagination-bullet-active {
  background: var(--green-light);
  width: 54px;
}

/* ---------- 公司简介 ---------- */
.about-sec { background: var(--bg-gray); padding: 90px 0 100px; position: relative; }

.intro-img { width: 100%; display: block; object-fit: cover; box-shadow: 0 14px 34px rgba(0,0,0,.12); }
.intro-en {
  font-size: 20px;
  font-weight: 700;
  color: #333;
  letter-spacing: .5px;
  line-height: 1.5;
}
.intro-green {
  color: var(--green);
  font-size: 14px;
  line-height: 2;
  margin: 18px 0 10px;
}
.intro-text { color: #666; font-size: 14px; line-height: 2.1; text-align: justify; }
.intro-bottom { display: flex; justify-content: flex-end; margin-top: 26px; }
.intro-bottom img { width: 280px; box-shadow: 0 10px 26px rgba(0,0,0,.14); }

/* ---------- 全球产品体系 ---------- */
.sys-sec {
  background: linear-gradient(rgba(12,12,12,.82), rgba(12,12,12,.82)),
    url('') center / cover no-repeat;
  padding: 0px; position:relative;
}
.sys-sec .sec-head{ position:absolute;     z-index: 1000;
    top: 50px;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-flow: column;
    width: 100%;}
.sys-sec .wrap {
    width: 100%;
    margin: 0 auto;
}
.sys-wrap { position: relative; padding: 0 0px; }
.ps-arrow {
  position: absolute;
  top: 44%;
  width: 46px; height: 46px;
  border: 0px solid rgba(255,255,255,.55);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  z-index: 5;
  transition: all .3s;
}
.ps-arrow:hover { background: var(--green); border-color: var(--green); }
.ps-arrow svg { width: 46px; height: 46px; }
.ps-arrow.prev { left: 20px; }
.ps-arrow.next { right: 20px; }

.p-card {
  position: relative;
  height: auto;
  padding: 0px 0px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.p-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,8,8,.5), rgba(8,8,8,.78));
  transition: background .4s;
}
.p-card:hover::before { background: linear-gradient(180deg, rgba(10,30,16,.55), rgba(8,24,12,.85)); }
.p-card > * { position: relative; z-index: 2; }
.p-card a{ display:block; position:relative;}
.p-card a img{ height:100%;}
.p-logo {
  height: 64px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 26px;
}
.wr-logo { font-family: Georgia, serif; font-size: 26px; letter-spacing: 1px; }
.wr-logo b { border: 2px solid #fff; padding: 2px 8px; margin-right: 10px; font-style: italic; }
.mt-logo { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.mt-logo svg { width: 44px; height: 30px; fill: #fff; }
.mt-logo span { font-size: 13px; letter-spacing: 3px; }
.su-logo {
  width: 62px; height: 62px;
  border: 2px solid #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; letter-spacing: 2px;
}
.p-card h3 { font-size: 23px; font-weight: 700; letter-spacing: 4px; }
.p-en { font-size: 11px; letter-spacing: 3px; color: rgba(255,255,255,.55); margin-top: 8px; text-transform: uppercase; }
.p-line { width: 26px; height: 2px; background: var(--green-light); margin: 20px auto; }
.p-desc { font-size: 13px; line-height: 1.5; color: rgba(255,255,255,.68); width: 100%; margin: 0 auto; position:absolute; top:180px; left:0px; text-align:center;}
.p-desc img{}
.sys-sec .swiper-pagination {
  bottom: 0 !important;
  top: auto;
  width: 56%;
  left: 22% !important;
  height: 3px;
  background: rgba(255,255,255,.18);
  border-radius: 2px;
}
.sys-sec .swiper-pagination-progressbar-fill { background: var(--green-light); border-radius: 2px; }

/* ---------- 成功案例（大图+缩略图切换） ---------- */
.case-sec { background: var(--bg-gray); padding: 92px 0 100px; }

.case-hero {
  position: relative;
  width: 100%;
  height: 640px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 16px 42px rgba(0,0,0,.12);
}
.case-main-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: background-image .5s ease, opacity .4s ease;
}
.case-logo {
  position: absolute;
  top: 28px; left: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.88);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: .5px;
  text-shadow: 0 2px 8px rgba(0,0,0,.35);
}
.case-logo svg { display: block; filter: drop-shadow(0 2px 6px rgba(0,0,0,.45)); }
.case-logo span { white-space: nowrap; }

/* 左下角信息层 */
.case-overlay {
  position: absolute;
  left: 0; bottom: 0;
  width: 460px;
  max-width: 58%;
  padding: 32px 40px 36px;
  background: linear-gradient(to right, rgba(0,0,0,.72) 0%, rgba(0,0,0,.4) 60%, transparent 100%);
  color: #fff;
  backdrop-filter: blur(1px);
}
.case-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0,0,0,.45);
}
.case-desc {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,.78);
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-overlay .btn-outline {
  border-color: rgba(255,255,255,.6);
  border:0px;
  color: #fff;
  padding: 0px;
  font-size: 12px;
  letter-spacing: 4px;
  background: transparent;
}
.case-overlay .btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,.12);
}

/* 右下角缩略图 */
.case-thumbs {
  position: absolute;
  right: 28px;
  bottom: 28px;
  display: flex;
  gap: 14px;
  z-index: 4;
}
.case-thumb {
  width: 150px;
  height: 100px;
  background-size: cover;
  background-position: center;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color .25s, transform .25s, opacity .25s;
  opacity: .55;
  border-radius: 2px;
  position: relative;
}
.case-thumb:hover { opacity: .85; }
.case-thumb.active {
  border-color: var(--green-light);
  opacity: 1;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,.28);
}
.ps-swiper{ max-height:650px;}
/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .case-hero { height: 480px; }
  .case-logo { top: 18px; left: 18px; font-size: 11px; gap: 8px; }
  .case-logo svg { width: 38px; height: 25px; }
  .case-overlay { width: 360px; padding: 22px 26px 26px; }
  .case-title { font-size: 20px; letter-spacing: 1.5px; margin-bottom: 8px; }
  .case-desc { font-size: 12px; line-height: 1.8; margin-bottom: 14px; }
  .case-overlay .btn-outline { padding: 8px 22px; font-size: 11px; letter-spacing: 3px; }
  .case-thumbs { right: 18px; bottom: 18px; gap: 10px; }
  .case-thumb { width: 110px; height: 74px; }
}

@media (max-width: 768px) {
  .ps-arrow { display: none; }
  .sys-wrap { padding: 0; }
  .case-hero { height: auto; min-height: 0; }
  .case-main-img { position: relative; width: 100%; height: 340px; }
  .case-logo { position: absolute; top: 16px; left: 16px; }
  .case-overlay {
    position: relative;
    width: 100%;
    max-width: 100%;
    padding: 22px 20px 24px;
    background: linear-gradient(to bottom, #fff 0%, #f9f9f9 100%);
    color: #333;
  }
  .case-title { font-size: 18px; color: #1c1c1c; letter-spacing: 1px; margin-bottom: 10px; text-shadow: none; }
  .case-desc { font-size: 12px; line-height: 1.8; color: #666; margin-bottom: 14px; }
  .case-overlay .btn-outline { border-color: var(--green); color: var(--green); }
  .case-overlay .btn-outline:hover { border-color: var(--green-light); background: rgba(21,127,60,.08); }
  .case-thumbs {
    position: relative;
    right: auto; bottom: auto;
    justify-content: center;
    padding: 16px 0 22px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .case-thumb { width: 100px; height: 66px; opacity: .7; }
  .case-thumb.active { opacity: 1; }
}

@media (max-width: 576px) {
  .case-sec { padding: 60px 0 64px; }
  .case-hero { border-radius: 0; box-shadow: 0 8px 20px rgba(0,0,0,.08); }
  .case-main-img { height: 240px; }
  .case-logo { font-size: 10px; gap: 6px; }
  .case-logo svg { width: 30px; height: 20px; }
  .case-overlay { padding: 18px 16px 20px; }
  .case-title { font-size: 16px; letter-spacing: .5px; margin-bottom: 8px; }
  .case-desc { font-size: 11px; line-height: 1.7; }
  .case-thumbs { padding: 14px 10px 18px; gap: 8px; }
  .case-thumb { width: 80px; height: 54px; border-width: 1.5px; }
}

/* 品牌文化补充文案 */
.culture-text {
  text-align: center;
  margin-top: 36px;
  font-size: 15px;
  color: #555;
  line-height: 2.2;
  letter-spacing: 1px;
}

/* ---------- 品牌文化 ---------- */
.culture-sec { padding: 92px 0 110px; }
.culture-box {
  position: relative;
  height: 480px;
  background: linear-gradient(rgba(0,0,0,.25), rgba(0,0,0,.35)),
    url('') center / cover no-repeat;
  overflow: hidden;
}
.culture-box-video
{
    position: relative;
    }
    .culture-box-video video
    {
         width:100%;
        }
.qian-big {
  position: absolute;
  left: 6%; top: 50%;
  transform: translateY(-50%);
  font-size: 66px;
  font-weight: 800;
  color: var(--green-light);
  line-height: 1.05;
  letter-spacing: 3px;
  text-shadow: 0 4px 24px rgba(0,0,0,.45);
}
.play-btn {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  width: 78px; height: 78px;
  border-radius: 50%;
  border: none;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 0 rgba(255,255,255,.5);
  animation: pulse 2.2s infinite;
  transition: transform .3s;
}
.play-btn:hover { transform: translate(-50%,-50%) scale(1.08); }
.play-btn svg { width: 26px; height: 26px; fill: var(--green); margin-left: 4px; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,.45); }
  70% { box-shadow: 0 0 0 22px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
.v-text {
  position: absolute;
  right: 6%; top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  color: rgba(255,255,255,.9);
  font-size: 16px;
  letter-spacing: 8px;
  text-shadow: 0 2px 10px rgba(0,0,0,.5);
}

/* 响应式 */
@media (max-width: 1200px) {
}
@media (max-width: 992px) {
  .hero-en { font-size: 30px; letter-spacing: 4px; }
  .hero-tagline { font-size: 16px; letter-spacing: 6px; top: 110px; }
  .hero-arrow { width: 40px; height: 40px; }
  .hero-arrow svg { width: 16px; height: 16px; }
  .hero-arrow.prev { left: 20px; }
  .hero-arrow.next { right: 20px; }
  .hero-pagination { bottom: 30px; gap: 8px; }
  .hero-pagination .swiper-pagination-bullet { width: 24px; height: 2px; }
  .hero-pagination .swiper-pagination-bullet-active { width: 38px; }
  .badge-circle { display: none; }
  .sys-wrap { padding: 0 50px; }
  .ps-arrow { width: 40px; height: 40px; top: 42%; }
  .ps-arrow svg { width: 16px; height: 16px; }
  .qian-big { font-size: 40px; }
  .intro-bottom { justify-content: flex-start; }
  .culture-text { font-size: 13px; margin-top: 24px; }
}
@media (max-width: 576px) 
{
    
.hero {
    height: 40vh;
    min-height: 0;
}
  .hero-en { font-size: 22px; letter-spacing: 2px; gap: 8px; }
  .hero-en svg { width: 24px; height: 24px; }
  .hero-tagline { font-size: 13px; letter-spacing: 4px; top: 96px; }
  .hero-sub { font-size: 12px; letter-spacing: 3px; margin-top: 10px; }
  .hero-arrow { display: none; }
  .hero-pagination { bottom: 28px; }
  .intro-en { font-size: 14px; }
  .intro-green { font-size: 13px; }
  .intro-text { font-size: 13px; line-height: 1.95; }
  .p-card { height: 450px; padding: 0px; }
  .p-card h3 { font-size: 19px; }
  .p-desc { font-size: 12px; line-height: 1.85;  top:120px;}
  .qian-big { font-size: 30px; }
  .v-text { font-size: 13px; letter-spacing: 5px; }
  .culture-box { height: 320px; }
  .play-btn { width: 60px; height: 60px; }
  .play-btn svg { width: 20px; height: 20px; }
  .culture-text { font-size: 12px; line-height: 2; margin-top: 18px; }
  .ps-swiper{ height:490px; padding-top:20px; margin-bottom:20px;}
}