/* =========================================================
   原站栏目页样式：云端设计 / 施工板块 / 全屋定制 / 活动及荣誉
   数值取自原站 css_style.min.css，保留 clamp(最小px, vw, ≥1920px上限) 三档写法
   ========================================================= */

/* ---------------- 通用：内页「左文右图」首屏（原 .z_page_banner） ---------------- */
.sg-src-banner {
  display: flex;
  margin-top: clamp(55px, 6.6667vw, 134.4px);
  padding-bottom: 2.0833vw;
}

.sg-src-banner__info {
  flex: 1;
  min-width: 0;
  padding: 0 var(--sg-gutter);
  padding-top: 11.9792vw;
  font-size: clamp(16px, .9375vw, 18.9px);
}

.sg-src-banner__tt {
  font-size: clamp(22px, 2.5vw, 50.4px);
  font-weight: 700;
  line-height: 2.9167vw;
  white-space: pre-line;
}

.sg-src-banner__slg {
  margin-top: clamp(10px, .5208vw, 10.5px);
  line-height: 24px;
  white-space: pre-line;
}

.sg-src-banner__cc {
  margin-bottom: .5208vw;
  line-height: 24px;
  white-space: pre-line;
}

.sg-src-banner__img {
  width: 65%;
  height: 36.4583vw;
  background: var(--sg-dark);
  flex-shrink: 0;
  overflow: hidden;
}

/* 首屏文字在右（原 .z_lc_banner / .z_dz_banner / .z_honor_banner 均为 row-reverse） */
.sg-src-banner--rev { flex-flow: row-reverse; }

/* 文字区底纹 bg5.jpg */
.sg-src-banner--bg5 .sg-src-banner__info {
  background: url(../img/bg5.jpg) no-repeat top center;
  background-size: cover;
}

/* 首屏图片满高（施工 / 全屋定制） */
.sg-src-banner--vh .sg-src-banner__img {
  height: calc(100vh - clamp(62.4px, 6.25vw, 126px));
}

/* 施工首屏：图在左文在右、无底部留白（原 .z_lc_banner） */
.sg-src-banner--lc { padding-bottom: 0; }
.sg-src-banner--lc .sg-src-banner__info { padding-bottom: clamp(20.8px, 2.0833vw, 42px); }

/* 全屋定制首屏：文在左图在右、文字区上下 15.6~31.5px（原 .z_dz_banner） */
.sg-src-banner--dz .sg-src-banner__info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: clamp(15.6px, 1.5625vw, 31.5px);
  padding-bottom: clamp(15.6px, 1.5625vw, 31.5px);
}

/* 荣誉页首屏图片尺寸单列 */
.sg-src-banner--honor .sg-src-banner__img { width: 66.6667vw; height: 35.4167vw; }
.sg-src-banner--honor .sg-src-banner__info {
  flex: 1;
  padding: clamp(35px, 2.6042vw, 52.5px) clamp(12px, 2.6042vw, 52.5px);
  padding-right: clamp(12px, 6.7708vw, 136.5px);
}

/* 方块图标按钮（原 .swiper_Btn .iconfont：34×34、1px 边框、圆角 3px、半透明） */
.sg-src-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--sg-text);
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: .5;
  cursor: pointer;
  transition: all .5s var(--sg-ease);
}

.sg-src-btn:hover {
  opacity: 1;
  background: var(--sg-theme);
  border-color: var(--sg-theme);
  color: #fff;
}

.sg-src-btn.is-disabled { opacity: .2; pointer-events: none; }

/* 栏目标题居中（原 .z_index_tit.center） */
.sg-title--center { text-align: center; }

/* 正文行高（原 .desc：1.25vw / ≤980px:24px / ≥1920px:24px） */
.sg-desc { line-height: 1.25vw; }

/* =========================================================
   一、云端设计（原 cloud.html）
   ========================================================= */
.sg-cl-banner { overflow: hidden; margin-top: var(--sg-header-h); }
.sg-cl-banner img { display: block; width: 100%; height: auto; }

/* 品牌介绍：图在左、文在右（原 .z_cloud_about .itembox{flex-flow:row-reverse}） */
.sg-cl-about {
  background: var(--sg-sand);
  padding: clamp(30px, 3.125vw, 63px) clamp(12px, 2.6042vw, 52.5px);
}

.sg-cl-about__inner {
  display: flex;
  flex-flow: row-reverse;
  justify-content: space-between;
  align-items: center;
}

.sg-cl-about__img { width: 29.6875vw; height: 39.0625vw; flex-shrink: 0; overflow: hidden; }
.sg-cl-about__info { width: 34.8958vw; }
.sg-cl-about__info .sg-title__cn { font-size: clamp(20px, 1.875vw, 37.8px); font-weight: 700; }
.sg-cl-about__cc { margin-top: 10px; line-height: 1.5; }
.sg-cl-about__desc { margin-top: clamp(20px, 2.0833vw, 42px); white-space: pre-line; }

/* 核心优势：4 列卡片 */
.sg-cl-adv {
  background: var(--sg-bg-soft);
  padding: clamp(50px, 8.3333vw, 168px) clamp(12px, 2.6042vw, 52.5px);
}

.sg-cl-adv__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10.4px, 1.0417vw, 21px);
  margin-top: clamp(30px, 5.2083vw, 105px);
}

.sg-cl-adv__item {
  border: 1px solid #dedede;
  padding: clamp(20px, 2.6042vw, 52.5px) clamp(12px, 2.6042vw, 52.5px);
  transition: box-shadow .5s var(--sg-ease);
}

.sg-cl-adv__item:hover { box-shadow: 0 5px 10px rgba(0, 0, 0, .05); }
.sg-cl-adv__ico { height: 36px; }
.sg-cl-adv__ico img { height: 100%; width: auto; }
.sg-cl-adv__tt { margin-top: 14px; font-size: clamp(16px, 1.0417vw, 21px); font-weight: 700; }
.sg-cl-adv__cc { margin-top: 8px; line-height: 1.5; }

/* 创始人设计师团队：竖排缩略图 + 大图轮播 */
.sg-cl-team {
  background: var(--sg-grey-2);
  padding: clamp(50px, 8.3333vw, 168px) clamp(12px, 2.6042vw, 52.5px) 0;
}

.sg-cl-team__inner {
  display: flex;
  gap: clamp(10px, 4.1667vw, 84px);
  border-bottom: 1px solid #bdbcb9;
}

.sg-cl-team__thumbs { flex-shrink: 0; padding-top: clamp(30px, 3.125vw, 63px); }
.sg-cl-team__thumb {
  display: block;
  margin-bottom: 10px;
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  text-align: center;
  font-size: 14px;
  opacity: .45;
  transition: opacity .5s var(--sg-ease);
}

.sg-cl-team__thumb.is-active { opacity: 1; }

.sg-cl-team__thumb-img {
  width: 86px;
  height: 112px;
  overflow: hidden;
  position: relative;
}

.sg-cl-team__thumb.is-active .sg-cl-team__thumb-img::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 2px solid #000;
}

.sg-cl-team__body {
  flex: 1;
  min-width: 0;
  padding-left: clamp(12px, 4.1667vw, 84px);
  border-left: 1px solid #bdbcb9;
  position: relative;
}

/* 原站把标题绝对定位到图文分界处（clamp(12px,36.9792vw,745.5px)） */
.sg-cl-team__title {
  position: absolute;
  left: clamp(12px, 36.9792vw, 745.5px);
  top: 0;
}

@media screen and (max-width: 1440px) {
  .sg-cl-team__title { position: static; margin-bottom: 24px; }
}

.sg-cl-team__slide { display: flex; align-items: flex-end; gap: clamp(10px, 3.125vw, 63px); }
.sg-cl-team__media { width: 29.6875vw; height: 39.0625vw; flex-shrink: 0; overflow: hidden; }
.sg-cl-team__info { flex: 1; min-width: 0; padding-right: 7.8125vw; }
.sg-cl-team__name { font-size: clamp(20px, 1.5625vw, 31.5px); font-weight: 700; }
.sg-cl-team__cc { margin-top: clamp(15px, 1.0417vw, 21px); line-height: 1.5; white-space: pre-line; }
.sg-cl-team__btns { display: flex; gap: 10px; margin-top: clamp(20px, 2.0833vw, 40px); }

/* 所获奖项：8 列 logo */
.sg-cl-honor {
  background: var(--sg-grey-2);
  text-align: center;
  padding: clamp(50px, 11.4583vw, 231px) clamp(12px, 2.6042vw, 52.5px);
}

.sg-cl-honor__list {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: clamp(10.4px, 1.0417vw, 21px);
  margin-top: clamp(20px, 3.6458vw, 73.5px);
}

.sg-cl-honor__list li {
  height: clamp(100px, 8.3333vw, 168px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sg-cl-honor__list img { max-height: 100%; width: auto; }

/* 精选案例：每行一条，图在右（原 .z_clound_case .case_lists） */
.sg-cl-case {
  background: var(--sg-sand);
  padding: clamp(50px, 8.3333vw, 168px) clamp(12px, 2.6042vw, 52.5px);
}

.sg-cl-case__list { margin-top: clamp(20px, 2.0833vw, 42px); }

.sg-cl-case__item a {
  display: flex;
  flex-flow: row-reverse;
  justify-content: space-between;
  align-items: center;
  padding: clamp(20px, 3.6458vw, 73.5px) 0;
  border-bottom: 1px solid rgba(49, 47, 48, .16);
}

.sg-cl-case__img { width: 41.6667vw; height: 26.0417vw; flex-shrink: 0; overflow: hidden; }
.sg-cl-case__item:hover .sg-media__bg { transform: scale(1.05); }
.sg-cl-case__info { flex-flow: column; align-items: flex-start; max-width: 26.0417vw; }
.sg-cl-case__slg { font-size: clamp(14px, .9375vw, 18.9px); }
.sg-cl-case__line { width: 30px; height: 1px; background: #7d7773; margin: 12px 0; }
.sg-cl-case__tt { font-size: clamp(18px, 1.5625vw, 31.5px); font-weight: 700; line-height: 1.5; white-space: pre-line; }

.sg-cl-case__more {
  width: clamp(40px, 2.6042vw, 52.5px);
  height: clamp(40px, 2.6042vw, 52.5px);
  margin-top: clamp(16px, 1.5625vw, 30px);
  border-radius: 3px;
  background: var(--sg-theme);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .5s var(--sg-ease);
}

.sg-cl-case__item:hover .sg-cl-case__more { opacity: 1; }

@media screen and (max-width: 980px) {
  .sg-cl-about__inner { display: block; }
  .sg-cl-about__img { width: 100%; height: 60vw; }
  .sg-cl-about__info { width: 100%; margin-top: 30px; }
  .sg-cl-adv__list { grid-template-columns: 1fr; gap: 12px; }
  .sg-cl-honor__list { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  .sg-cl-team { padding-top: 90px; }
  .sg-cl-team__inner { display: block; }
  .sg-cl-team__thumbs { padding-top: 0; }
  .sg-cl-team__body { border-left: 0; padding-left: 0; margin-top: 30px; }
  .sg-cl-team__slide { display: block; }
  .sg-cl-team__media { width: 100%; height: 100vw; }
  .sg-cl-team__info { margin-top: 20px; padding-right: 0; }

  .sg-cl-case__item a { display: block; }
  .sg-cl-case__img { width: 100%; height: 60vw; }
  .sg-cl-case__info { max-width: none; margin-top: 20px; }
  .sg-cl-case__more { opacity: 1; }
}

/* =========================================================
   二、施工板块（原 construction.html）
   ========================================================= */

/* 品牌介绍：左文 66% / 右图 32.5% */
.sg-sg-intro {
  background: var(--sg-sand);
  padding: clamp(67.6px, 6.7708vw, 136.5px) clamp(12px, 2.6042vw, 52.5px) clamp(33.8px, 3.3854vw, 68.25px);
}

.sg-sg-intro__inner {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(136, 130, 126, .5);
}

.sg-sg-intro__left { width: 66%; border-right: 1px solid rgba(136, 130, 126, .5); padding-right: clamp(20px, 2.0833vw, 40px); }
.sg-sg-intro__left .sg-title__en { margin-top: 10px; }
.sg-sg-intro__desc { margin-top: clamp(20px, 2.0833vw, 42px); white-space: pre-line; }
.sg-sg-intro__right { width: 32.5%; padding: clamp(41.6px, 4.1667vw, 84px) clamp(41.6px, 4.1667vw, 84px) 0; }
.sg-sg-intro__img { height: 29.1667vw; overflow: hidden; }

/* 服务范围：3 列竖线分隔 */
.sg-sg-area { padding: 0 clamp(12px, 2.6042vw, 52.5px); }

.sg-sg-area__list {
  display: flex;
  margin-top: clamp(50px, 11.4583vw, 231px);
  border-top: 1px solid #bbb;
}

.sg-sg-area__item {
  flex: 1;
  padding: clamp(26px, 2.6042vw, 52.5px);
  border-right: 1px solid #bbb;
  min-height: clamp(260px, 26.0417vw, 525px);
}

.sg-sg-area__item:last-child { border-right: 0; }
.sg-sg-area__num { font-size: clamp(20px, 1.25vw, 25.2px); font-weight: 700; }
.sg-sg-area__tt { margin-top: 14px; font-size: clamp(18px, 1.0417vw, 21px); font-weight: 700; }
.sg-sg-area__desc { margin-top: clamp(10px, 1.0417vw, 21px); color: var(--sg-dark); white-space: pre-line; }

/* 核心优势（原 .z_service_group2：背景 #dddcda） */
.sg-sg-group {
  background: var(--sg-grey-2);
  padding: clamp(50px, 6.7708vw, 136.5px) clamp(12px, 2.6042vw, 52.5px);
}

.sg-sg-group__list { margin-top: clamp(30px, 4.6875vw, 94.5px); }

.sg-sg-group__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(40px, 8.3333vw, 168px);
}

.sg-sg-group__item:first-child { margin-top: 0; }
.sg-sg-group__item:nth-child(even) { flex-flow: row-reverse; }
.sg-sg-group__img { width: 47.2917vw; height: 31.5104vw; flex-shrink: 0; overflow: hidden; }
.sg-sg-group__info { width: 19.2708vw; }
.sg-sg-group__tt { font-size: clamp(18px, 1.5625vw, 31.5px); font-weight: 700; }
.sg-sg-group__desc { margin-top: clamp(15px, 1.5625vw, 30px); }
.sg-sg-group__desc p { margin-bottom: .8em; }
.sg-sg-group__desc strong { font-weight: 700; }

/* 施工执行师：左文 + 右 3×2 轮播 */
.sg-sg-team {
  background: var(--sg-sand);
  padding: clamp(60px, 8.8542vw, 178.5px) clamp(12px, 2.6042vw, 52.5px);
}

.sg-sg-team__inner {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--sg-dark);
  padding-bottom: clamp(35.36px, 3.5417vw, 71.4px);
}

.sg-sg-team__left { width: 16.6667vw; display: flex; flex-direction: column; justify-content: space-between; }
.sg-sg-team__right { width: 62.5vw; flex-shrink: 0; overflow: hidden; }
.sg-sg-team__media { height: 24.375vw; overflow: hidden; }
.sg-sg-team__tt { margin-top: clamp(10.4px, 1.0417vw, 21px); margin-bottom: clamp(5px, .2604vw, 5.25px); font-size: clamp(16px, .9375vw, 18.9px); font-weight: 700; }
.sg-sg-team__cc { font-size: clamp(14px, .8333vw, 16.8px); }
.sg-sg-team__btns { display: flex; gap: 10px; margin-top: 20px; }

/* 标准区块（辅料 / 工艺） */
.sg-sg-standard { display: flex; align-items: center; padding: clamp(50px, 10.4167vw, 210px) 0; }
.sg-sg-standard--1 { background: var(--sg-bg); }
.sg-sg-standard--2 { background: var(--sg-sand); flex-flow: row-reverse; }
.sg-sg-standard__imgs { display: flex; align-items: center; }
.sg-sg-standard__imgs .sg-media { width: 28.125vw; height: 28.125vw; overflow: hidden; }
.sg-sg-standard__imgs .sg-media + .sg-media { margin-left: clamp(10px, 1.0417vw, 21px); }
.sg-sg-standard__imgs--single .sg-media { width: 46.9792vw; height: 31.5104vw; }
.sg-sg-standard__info { flex: 1; display: flex; justify-content: center; }
.sg-sg-standard__con { width: 22.3958vw; }
.sg-sg-standard__tt { font-size: clamp(24px, 1.875vw, 37.8px); font-weight: 700; }
.sg-sg-standard__desc { margin-top: clamp(20.8px, 2.0833vw, 42px); white-space: pre-line; }
.sg-sg-standard__con .sg-more { margin-top: clamp(26px, 2.6042vw, 52.5px); }

/* 售后质保 */
.sg-sg-after { padding: clamp(50px, 7.8125vw, 157.5px) clamp(12px, 2.6042vw, 52.5px); }
.sg-sg-after .sg-title--center { text-align: center; }
.sg-sg-after__en { margin-top: 10px; text-align: center; white-space: pre-line; }
.sg-sg-after__imgs { display: flex; align-items: center; justify-content: center; margin-top: clamp(31.2px, 3.125vw, 63px); }
.sg-sg-after__imgs .sg-media { height: 26.0417vw; margin: 0 5px; overflow: hidden; }
.sg-sg-after__imgs .box1 { width: 38.8542vw; }
.sg-sg-after__imgs .box2 { width: 20.3125vw; }

@media screen and (max-width: 980px) {
  /* 原站 ≤980px 直接隐藏整个施工首屏 */
  .sg-src-banner--lc { display: none; }

  .sg-sg-intro__inner { display: block; }
  .sg-sg-intro__left { width: 100%; border-right: 0; padding-right: 0; }
  .sg-sg-intro__right { display: none; }

  .sg-sg-area__list { display: block; margin-top: 40px; }
  .sg-sg-area__item { border-right: 0; border-bottom: 1px solid #bbb; min-height: 0; padding: 24px 0; }

  .sg-sg-group__item { display: block; margin-top: 50px; }
  .sg-sg-group__img { width: 100%; height: 60vw; }
  .sg-sg-group__info { width: 100%; margin-top: 30px; }

  .sg-sg-team__inner { display: block; border-bottom: 0; }
  .sg-sg-team__left { width: 100%; }
  .sg-sg-team__right { width: 100%; }
  .sg-sg-team__media { height: 56vw; }
  .sg-sg-team__btns { margin-top: 40px; margin-bottom: 20px; }

  .sg-sg-standard { display: block; padding: 0; }
  .sg-sg-standard__info { display: block; padding: 40px 12px; }
  .sg-sg-standard__con { width: 100%; }
  .sg-sg-standard__imgs .sg-media { width: 50%; height: 50vw; }
  .sg-sg-standard__imgs--single .sg-media { width: 100%; height: 60vw; }

  .sg-sg-after__imgs .sg-media { height: 45vw; }
  .sg-sg-after__imgs .box1 { width: 60%; }
  .sg-sg-after__imgs .box2 { width: 40%; }
}

/* =========================================================
   三、全屋定制（原 full_room.html）
   ========================================================= */
.sg-dz-about { background: var(--sg-bg); padding: 4.1667vw 0 0; }

.sg-dz-about__inner {
  display: flex;
  border-bottom: 1px solid rgba(173, 160, 151, .5);
  padding: 0 clamp(12px, 2.6042vw, 52.5px);
}

.sg-dz-about__left { width: 32.2917vw; flex-shrink: 0; }
.sg-dz-about__con {
  width: 62.5vw;
  margin-left: auto;
  border-left: 1px solid rgba(173, 160, 151, .5);
  padding: 2.6042vw 0 2.6042vw 2.6042vw;
  margin-top: 12.5vw;
}

.sg-dz-about__desc { margin-top: clamp(20px, 2.0833vw, 42px); white-space: pre-line; }
.sg-dz-about__img { width: 14.5833vw; height: 18.75vw; margin-top: clamp(20px, 2.0833vw, 42px); overflow: hidden; }

/* 服务流程：左图 + 右竖向时间轴（原 .z_service_lc2） */
.sg-dz-flow {
  background: url(../img/bg4.jpg) no-repeat center;
  background-size: cover;
  padding: clamp(67.6px, 6.7708vw, 136.5px) 0;
  display: flex;
}

.sg-dz-flow__img { width: 59.7917vw; height: 36.4583vw; flex-shrink: 0; overflow: hidden; }
.sg-dz-flow__info { flex: 1; color: var(--sg-theme); padding: 0 clamp(83.2px, 8.3333vw, 168px); }

.sg-dz-flow__list { position: relative; }
.sg-dz-flow__list::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--sg-theme);
}

.sg-dz-flow__item { position: relative; display: flex; align-items: flex-start; padding-bottom: clamp(20px, 2.0833vw, 42px); }
.sg-dz-flow__num {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--sg-theme);
  color: var(--sg-dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.sg-dz-flow__line { width: 34px; height: 1px; background: var(--sg-theme); margin: 14px 5px 0; flex-shrink: 0; }
.sg-dz-flow__tt { font-size: clamp(18px, 1.0417vw, 21px); line-height: 30px; }
.sg-dz-flow__desc { margin-top: 10px; line-height: 24px; white-space: pre-line; }

/* 核心优势（原 .z_service_group3） */
.sg-dz-group {
  background: var(--sg-sand);
  padding: clamp(50px, 6.7708vw, 136.5px) clamp(12px, 2.6042vw, 52.5px);
}

.sg-dz-group__list { margin-top: clamp(30px, 4.6875vw, 94.5px); }
.sg-dz-group__item { display: flex; align-items: center; justify-content: space-between; margin-top: clamp(40px, 8.3333vw, 168px); }
.sg-dz-group__item:first-child { margin-top: 0; }
.sg-dz-group__item:nth-child(even) { flex-flow: row-reverse; }
.sg-dz-group__img { width: 47.2917vw; height: 31.5104vw; flex-shrink: 0; overflow: hidden; }
.sg-dz-group__info { width: 66%; }
.sg-dz-group__desc { white-space: pre-line; }
.sg-dz-group__tt3 { margin-top: 10px; font-weight: 700; font-size: clamp(16px, .9375vw, 18.9px); }

.sg-dz-group__sublist { margin-top: clamp(26px, 2.6042vw, 52.5px); }
.sg-dz-group__sub { display: flex; align-items: flex-start; margin-bottom: clamp(10.4px, 1.0417vw, 21px); line-height: 24px; }

.sg-dz-group__sub .num {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin: 4px 8px 0 0;
  border-radius: 50%;
  border: 1px solid var(--sg-text);
  font-size: 12px;
  line-height: 14px;
  text-align: center;
}

/* 材料标准：4 列 */
.sg-dz-material { padding: clamp(50px, 7.2917vw, 147px) clamp(12px, 2.6042vw, 52.5px); }

.sg-dz-material__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(26px, 2.6042vw, 52.5px);
  margin-top: clamp(20.8px, 2.0833vw, 42px);
}

.sg-dz-material__img { height: 28.125vw; overflow: hidden; }
.sg-dz-material__item:hover .sg-media__bg { transform: scale(1.05); }
.sg-dz-material__tt { margin-top: clamp(15px, .7813vw, 15.75px); font-size: clamp(18px, 1.25vw, 25.2px); font-weight: 700; }
.sg-dz-material__desc { margin-top: clamp(8px, .4167vw, 8.4px); white-space: pre-line; }

/* 基础工艺：主题色底 + 大图 + 4 列 */
.sg-dz-base { background: var(--sg-theme); }

.sg-dz-base__img { height: 34.8958vw; position: relative; overflow: hidden; }
.sg-dz-base__img .sg-title--over { position: absolute; left: clamp(12px, 4.1667vw, 84px); bottom: clamp(26px, 2.6042vw, 52.5px); color: #fff; z-index: 2; }

.sg-dz-base__list {
  padding: clamp(52px, 5.2083vw, 105px) clamp(12px, 2.6042vw, 52.5px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(41.6px, 4.1667vw, 84px);
}

.sg-dz-base__item { padding: 0 clamp(15.6px, 1.5625vw, 31.5px); border-left: 1px solid rgba(46, 44, 47, .3); color: #2e2c2f; }
.sg-dz-base__tt { font-size: clamp(18px, 1.25vw, 25.2px); font-weight: 700; margin-bottom: clamp(13px, 1.3021vw, 26.25px); }

/* 实景案例：横向案例条（居中放大 + 缩略轴） */
.sg-dz-case {
  background: var(--sg-sand);
  padding: 7.2917vw clamp(12px, 2.6042vw, 52.5px);
  padding-bottom: clamp(124.8px, 12.5vw, 252px);
  overflow: hidden;
  position: relative;
}

.sg-dz-case__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 5.2083vw; }
.sg-dz-case__tools { display: flex; gap: 10px; }
.sg-dz-case__slide { width: 16.9792vw; display: flex; align-items: flex-end; }
.sg-dz-case__slide.is-active { width: 22.1875vw; }
.sg-dz-case__media { width: 100%; height: 28.9583vw; overflow: hidden; }
.sg-dz-case__media .sg-media__bg { transition: transform 1.4s var(--sg-ease); }
.sg-dz-case__slide.is-active .sg-dz-case__media .sg-media__bg { transform: scale(1.04); }
.sg-dz-case__info { width: 16.9792vw; margin-top: 16px; }
.sg-dz-case__tt { font-size: clamp(16px, 1.0417vw, 21px); font-weight: 700; line-height: 1.5; white-space: pre-line; }

.sg-dz-case__thumbs { margin-top: 3.125vw; }

@media screen and (max-width: 980px) {
  .sg-dz-about__inner { display: block; padding: 0 12px; }
  .sg-dz-about__left { width: 100%; }
  .sg-dz-about__con { width: 100%; border-left: 0; margin-top: 24px; padding: 0; }
  .sg-dz-about__img { width: 50vw; height: auto; aspect-ratio: 280 / 360; }

  .sg-dz-flow { display: block; padding: clamp(67.6px, 6.7708vw, 136.5px) 0; }
  .sg-dz-flow__img { width: 100%; height: 60vw; }
  .sg-dz-flow__info { padding: 40px 12px; }

  .sg-dz-group__item { display: block; margin-top: 50px; }
  .sg-dz-group__img { width: 100%; height: 60vw; }
  .sg-dz-group__info { width: 100%; margin-top: 30px; }

  .sg-dz-material__list { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .sg-dz-material__img { height: 65vw; }

  .sg-dz-base__img { height: 60vw; }
  .sg-dz-base__list { grid-template-columns: 1fr; gap: 12px; }
  .sg-dz-base__item { border-left: 0; padding: 0; margin-bottom: 20px; }

  .sg-dz-case { padding: 50px 12px; padding-bottom: 80px; }
  .sg-dz-case__slide,
  .sg-dz-case__slide.is-active { width: 70vw; }
  .sg-dz-case__media { height: 90vw; }
  .sg-dz-case__info { width: 100%; }
  .sg-dz-case__thumbs { display: none; }
}

/* =========================================================
   四、活动及荣誉（原 honor.html）
   ========================================================= */
.sg-ho-page { padding: clamp(40px, 4.1667vw, 84px) clamp(12px, 2.6042vw, 52.5px) clamp(50px, 7.2917vw, 147px); }

.sg-ho-page__inner { display: flex; justify-content: space-between; border-top: 1px solid var(--sg-line-strong); }

.sg-ho-page__years {
  width: clamp(59.28px, 5.9375vw, 119.7px);
  flex-shrink: 0;
  text-align: right;
  padding: clamp(40px, 3.3854vw, 68.25px) 0;
  position: sticky;
  top: calc(var(--sg-header-h) + 20px);
  align-self: flex-start;
}

.sg-ho-page__year {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  margin-bottom: 10px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  opacity: .5;
  transition: opacity 1s var(--sg-ease), font-size 1s var(--sg-ease);
}

.sg-ho-page__year.is-active { opacity: 1; font-size: clamp(20px, 1.875vw, 37.8px); line-height: 1.6667vw; }

.sg-ho-page__year em {
  display: block;
  width: 12px;
  height: 10px;
  margin: 0 10px 3px 0;
  background: url(../img/arr.png) no-repeat center;
  opacity: 0;
  transform: translateX(-100%);
  transition: opacity .6s var(--sg-ease), transform .6s var(--sg-ease);
}

.sg-ho-page__year.is-active em { opacity: 1; transform: translateX(0); }

.sg-ho-page__con { width: 83.3333vw; border-left: 1px solid var(--sg-line-strong); }

.sg-ho-page__group { display: none; }
.sg-ho-page__group.is-active { display: block; }

.sg-ho-page__item {
  display: flex;
  justify-content: space-between;
  gap: clamp(20px, 2.0833vw, 40px);
  padding: clamp(30px, 3.6458vw, 73.5px) 0 clamp(30px, 3.6458vw, 73.5px) clamp(20px, 2.0833vw, 40px);
  border-bottom: 1px solid var(--sg-line-strong);
}

.sg-ho-page__item:last-child { border-bottom: 0; }
.sg-ho-page__info { width: 31.25vw; flex-shrink: 0; }
.sg-ho-page__tt { font-size: clamp(20px, 1.25vw, 25.2px); font-weight: 700; line-height: 1.5; }
.sg-ho-page__cc { margin-top: clamp(15.6px, 1.5625vw, 31.5px); line-height: 24px; white-space: pre-line; }
.sg-ho-page__media { width: 34.7917vw; height: 21.9792vw; flex-shrink: 0; overflow: hidden; }
.sg-ho-page__item:hover .sg-media__bg { transform: scale(1.05); }

/* 入场淡入（原站切年时逐条 animated fadeIn，延迟 i*0.2s） */
.sg-ho-page__group.is-active .sg-ho-page__item {
  animation: sg-fade-in .8s var(--sg-ease) both;
  animation-delay: var(--ho-delay, 0s);
}

@media screen and (max-width: 980px) {
  .sg-src-banner--honor { flex-flow: column-reverse; padding-bottom: 0; }
  .sg-src-banner--honor .sg-src-banner__img { width: 100%; height: 60vw; }
  .sg-src-banner--honor .sg-src-banner__info { padding: 0 12px 40px; }
  .sg-src-banner__slg { display: none; }

  .sg-ho-page__inner { display: block; border-top: 0; }
  .sg-ho-page__years { width: 100%; text-align: left; position: static; display: flex; flex-wrap: wrap; gap: 14px; padding: 20px 0; }
  .sg-ho-page__year { padding-right: 10px; margin-bottom: 0; }
  .sg-ho-page__year em { display: none; }
  .sg-ho-page__year.is-active { line-height: 20px; }

  .sg-ho-page__con { width: 100%; border-left: 0; }
  .sg-ho-page__item { display: block; padding: 24px 0; }
  .sg-ho-page__info { width: 100%; }
  .sg-ho-page__tt { font-size: 18px; }
  .sg-ho-page__media { width: 100%; height: 50vw; margin-top: 20px; }
}

/* =========================================================
   五、全案设计（原 /team.html：团队列表页）
   ========================================================= */
.sg-tm-page {
  background: var(--sg-bg) url(../img/bg3.jpg) no-repeat top center;
  background-size: 100% auto;
  padding: 11.4583vw var(--sg-gutter) 8.3333vw;
}

.sg-tm-page__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
}

.sg-tm-page__en {
  margin-top: 10px;
  line-height: 1.25vw;
  text-align: justify;
  white-space: pre-line;
}

/* 原 .searchbox：48px 高、1px #999 边框、24px 圆角、宽 22.3958vw */
.sg-tm-search {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 22.3958vw;
  height: 48px;
  padding: 0 20px;
  border: 1px solid #999;
  border-radius: 24px;
}

.sg-tm-search__btn {
  flex-shrink: 0;
  margin-right: 10px;
  font-weight: 700;
  transition: color .4s var(--sg-ease);
}

.sg-tm-search__btn:hover { color: var(--sg-theme); }
.sg-tm-search__input { flex: 1; min-width: 0; }

/* 设计师双栏列表（原 .team_list） */
.sg-tm-list {
  margin-top: clamp(72.8px, 7.2917vw, 147px);
  margin-bottom: clamp(52px, 5.2083vw, 105px);
}

.sg-tm-list__inner { border-top: 1px solid #cdcdcd; }

.sg-tm-item {
  display: flex;
  padding: clamp(19.76px, 1.9792vw, 39.9px) 0;
  border-bottom: 1px solid #cdcdcd;
}

.sg-tm-item__fl { display: flex; }

.sg-tm-item__fl > a {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
}

/* 原 .tx：圆形头像 6.7708vw */
.sg-tm-item__tx {
  width: 6.7708vw;
  height: 6.7708vw;
  border-radius: 50%;
  overflow: hidden;
}

.sg-tm-item__tt {
  margin: clamp(13px, 1.3021vw, 26.25px) 0;
  font-size: clamp(18px, 1.25vw, 25.2px);
  font-weight: 700;
  line-height: 1.5;
  white-space: pre-line;
}

.sg-tm-item__cc { line-height: 1.6; white-space: pre-line; }

/* 右侧作品双图（原 .case） */
.sg-tm-item__case { margin-left: auto; }
.sg-tm-item__case ul { display: flex; }

.sg-tm-item__case li {
  width: 21.6667vw;
  margin-left: clamp(15.6px, 1.5625vw, 31.5px);
}

.sg-tm-item__case-img { height: 28.2292vw; overflow: hidden; }
.sg-tm-item__case li:hover .sg-media__bg { transform: scale(1.07); }
.sg-tm-item__case-info { padding: clamp(10.4px, 1.0417vw, 21px) 0; }

/* 原站把标题按换行拆成两行：首行加粗放大，次行单行省略 */
.sg-tm-item__case-tt {
  font-size: clamp(16px, 1.0417vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  transition: color .5s var(--sg-ease);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  white-space: pre-line;
}

.sg-tm-item__case li:hover .sg-tm-item__case-tt { color: var(--sg-theme); }

@media screen and (max-width: 980px) {
  .sg-tm-page { padding: 100px var(--sg-gutter) 50px; }
  .sg-tm-page__en { line-height: 24px; margin-top: 5px; }
  .sg-tm-page__head { display: flex; flex-direction: column; align-items: stretch; }
  .sg-tm-search { width: 100%; margin-top: 20px; }

  .sg-tm-item { padding: 40px 0; }
  .sg-tm-item__fl { width: 100%; text-align: center; }
  .sg-tm-item__tx { width: 80%; height: 96vw; margin: 0 auto; border-radius: 0; }
  .sg-tm-item__cc { text-align: center; }
  .sg-tm-item__fl .sg-more { display: none; }
  .sg-tm-item__case { display: none; }
}

@media screen and (min-width: 1920px) {
  .sg-tm-page { padding-top: 220px; padding-bottom: 160px; }
}

/* =========================================================
   六、案例列表（原 /works.html）
   ========================================================= */
.sg-wk {
  background: var(--sg-bg);
  padding: clamp(109.2px, 10.9375vw, 220.5px) var(--sg-gutter);
}

.sg-wk__classify {
  display: flex;
  justify-content: space-between;
  margin: clamp(15.6px, 1.5625vw, 31.5px) 0;
}

.sg-wk__classify a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 49.5%;
  height: clamp(52px, 5.2083vw, 105px);
  padding: 0 clamp(15.6px, 1.5625vw, 31.5px);
  background: var(--sg-grey);
  border-radius: 3px;
  font-size: clamp(18px, .9375vw, 18.9px);
  transition: ease 1s;
}

.sg-wk__classify a.is-active,
.sg-wk__classify a:hover { background: var(--sg-theme); font-weight: 700; }
.sg-wk__classify a.is-active .sg-arr,
.sg-wk__classify a:hover .sg-arr { opacity: 0; }

/* 原 .z_arr：方角箭头块 */
.sg-arr {
  width: clamp(26px, 2.6042vw, 52.5px);
  height: clamp(26px, 2.6042vw, 52.5px);
  background: var(--sg-theme);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: ease .5s;
}

.sg-arr img { width: 30%; height: auto; }
.sg-arr--plain { background: var(--sg-bg); }

/* 四组筛选 */
.sg-wk__filter dl {
  display: flex;
  align-items: flex-start;
  border-bottom: 1px solid #d0d0d0;
  line-height: 34px;
  transition: ease .5s;
}

.sg-wk__filter dl:hover { background: var(--sg-grey); }
.sg-wk__filter dt { flex-shrink: 0; width: clamp(60px, 8.5417vw, 172.2px); padding-left: 10px; }
.sg-wk__filter a { display: inline-block; min-width: clamp(104px, 10.4167vw, 210px); }
.sg-wk__filter a:hover,
.sg-wk__filter a.is-active { color: var(--sg-theme); }

/* 4 列网格 */
.sg-wk__list { margin-top: clamp(41.6px, 4.1667vw, 84px); }

.sg-wk__list ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(26px, 2.6042vw, 52.5px);
}

.sg-wk__img { height: 28.2292vw; overflow: hidden; }
.sg-wk__list li:hover .sg-media__bg { transform: scale(1.07); }
.sg-wk__info { padding: clamp(13px, 1.3021vw, 26.25px) 0; }

.sg-wk__tt {
  margin-bottom: clamp(8px, .4167vw, 8.4px);
  font-size: clamp(16px, 1.0417vw, 21px);
  font-weight: 700;
  transition: color .5s var(--sg-ease);
}

.sg-wk__cap {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sg-wk__list li:hover .sg-wk__tt { color: var(--sg-theme); }
.sg-wk__info .sg-arr { margin-top: clamp(10.4px, 1.0417vw, 21px); opacity: 0; }
.sg-wk__list li:hover .sg-arr { opacity: 1; }
.sg-wk .sg-pagination { margin-top: clamp(20.8px, 2.0833vw, 42px); }

@media screen and (max-width: 980px) {
  .sg-wk__classify { display: block; }
  .sg-wk__classify a { width: 100%; margin-bottom: 12px; }
  .sg-wk__filter dt { width: auto; }
  .sg-wk__filter a { min-width: auto; margin-right: 12px; }
  .sg-wk__list ul { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .sg-wk__img { height: 60vw; }
  .sg-wk__info .sg-arr { display: none; }
}

/* =========================================================
   七、联系（原 /contact.html）
   ========================================================= */
.sg-ct {
  display: flex;
  align-items: flex-start;
  padding: clamp(111.8px, 11.1979vw, 225.75px) var(--sg-gutter) clamp(93.6px, 9.375vw, 189px);
}

.sg-ct__en {
  margin-top: 10px;
  line-height: 1.25vw;
  text-align: justify;
  white-space: pre-line;
}

.sg-ct__fr {
  width: 62.5vw;
  margin-left: auto;
  padding-right: 4.6875vw;
}

/* 原 .lxinfo：图标 16px + 文字，行高 24px */
.sg-ct__lx p { display: flex; align-items: center; line-height: 24px; }
.sg-ct__lx img { display: block; height: 16px; margin-right: 5px; }

.sg-ct__form { margin-top: clamp(62.4px, 6.25vw, 126px); }
.sg-ct__form-title { font-size: var(--sg-fs-24); font-weight: 700; }
.sg-ct__form .sg-form { margin-top: clamp(26px, 2.6042vw, 52.5px); gap: 0; }

/* 表单改为原站的下划线式：无底色、无边框，仅字段下方一条分隔线 */
.sg-ct__form .sg-form__row { gap: clamp(31.2px, 3.125vw, 63px); }

.sg-ct__form .sg-form__field {
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(0, 0, 0, .2);
  margin-bottom: clamp(31.2px, 3.125vw, 63px);
}

.sg-ct__form .sg-form__label {
  margin-bottom: clamp(10px, .5208vw, 10.5px);
  font-size: clamp(16px, .9375vw, 18.9px);
  color: var(--sg-text);
}

.sg-ct__form .sg-form__input,
.sg-ct__form .sg-form__textarea {
  height: auto;
  min-height: 0;
  padding: 0;
  background: none;
  border: 0;
  border-radius: 0;
  line-height: 38px;
}

.sg-ct__form .sg-form__textarea {
  height: 38px;
  line-height: 38px;
  resize: none;
  overflow: hidden;
}

.sg-ct__form .sg-form__input:focus,
.sg-ct__form .sg-form__textarea:focus { border: 0; }

/* 原站 .submit：157.5×56.7、3px 圆角、主题色底、深色文字 + arr.png */
.sg-ct__form .sg-btn {
  width: clamp(100px, 7.8125vw, 157.5px);
  min-width: 0;
  height: clamp(40px, 2.8125vw, 56.7px);
  padding: 0;
  border-radius: 3px;
  background: var(--sg-theme);
  color: var(--sg-text);
  letter-spacing: normal;
}

.sg-ct__form .sg-btn::after {
  content: "";
  width: 10px;
  height: 10px;
  margin-left: 10px;
  background: url(../img/arr.png) no-repeat center;
  background-size: contain;
}

.sg-ct__form .sg-btn:hover { background: var(--sg-dark); color: #fff; }

/* 通栏图片轮播（原 .z_img_swiper）：联系页门店实景、服务页实景共用 */
.sg-img-swiper { width: 100%; }
.sg-img-swiper .sg-slider__slide { overflow: hidden; }

.sg-img-swiper img {
  display: block;
  width: 100%;
  transform: scale(1.05);
  transition: transform 3s var(--sg-ease);
}

.sg-img-swiper .sg-slider__slide.is-active img { transform: scale(1); }

@media screen and (max-width: 980px) {
  .sg-ct { display: block; }
  .sg-ct__en { line-height: 24px; }
  .sg-ct__fr { width: 100%; margin-top: 30px; padding-right: 0; }
  .sg-ct__form .sg-form__row { display: block; }
  .sg-ct__form .sg-btn { width: 100%; }
}

/* =========================================================
   八、我们（原 /about_us.html）
   ========================================================= */

/* 整页背景层（原 .z_about_bg） */
.sg-ab__bg {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background: url(../img/bg3.jpg) no-repeat top center;
  background-size: 100% auto;
}

/* 首屏：左文右图（原 .z_about_banner 无 row-reverse） */
.sg-ab__banner .sg-src-banner__info { padding-top: 11.9792vw; }

/* 品牌介绍（原 .z_about_intro） */
.sg-ab-intro {
  padding-left: var(--sg-gutter);
  padding-right: var(--sg-gutter);
  padding-bottom: 7.8125vw;
}

.sg-ab-intro__warps {
  display: flex;
  align-items: flex-start;
  border-top: 1px solid #bfbfbf;
}

.sg-ab-intro__fl {
  position: relative;
  width: 32.2917vw;
  display: flex;
  justify-content: flex-end;
}

/* 原 .flbox::before：右上角 1px 竖线 */
.sg-ab-intro__fl::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 1px;
  height: 21.6146vw;
  background: #bfbfbf;
}

.sg-ab-intro__ll { width: 16.4583vw; height: 11.4583vw; overflow: hidden; }

.sg-ab-intro__fr { padding-top: 5.2083vw; padding-left: 2.6042vw; }
.sg-ab-intro__desc { width: 31.25vw; margin-top: 1.5625vw; white-space: pre-line; }
.sg-ab-intro__rr { width: 43.75vw; height: 21.875vw; margin-top: 2.6042vw; overflow: hidden; }

/* 品牌释义：复用首页服务板块的双图布局（原 .z_index_service.z_service_head） */
.sg-ab-svc {
  background: url(../img/bg.jpg) no-repeat top center;
  background-size: cover;
  padding: 7.2917vw 0;
}

.sg-ab-svc__top { display: flex; align-items: center; }

.sg-ab-svc__box1 { width: 39.0625vw; height: 36.4583vw; flex-shrink: 0; overflow: hidden; }
.sg-ab-svc__box2 { width: 24.7917vw; height: 36.4583vw; margin-left: .3646vw; flex-shrink: 0; overflow: hidden; }
.sg-ab-svc__info { width: 22.3958vw; margin-left: 6.7708vw; }
.sg-ab-svc__desc { margin: 2.6042vw 0; line-height: 1.25vw; white-space: pre-line; }

/* 品牌文化：三屏淡入轮播 + 三色交替 + 左下导航（原 .z_about_culture） */
.sg-ab-cul { position: relative; }
.sg-ab-cul__slide { height: 44.7917vw; }
.sg-ab-cul__slide:nth-child(3n-2) { background: var(--sg-bg); }
.sg-ab-cul__slide:nth-child(3n-1) { background: var(--sg-grey-2); }
.sg-ab-cul__slide:nth-child(3n) { background: var(--sg-sand); }

.sg-ab-cul__item { display: flex; align-items: center; height: 100%; padding: 0 2.6042vw; }
.sg-ab-cul__img { width: 25.7292vw; height: 34.375vw; flex-shrink: 0; overflow: hidden; }
.sg-ab-cul__info { width: 28.3333vw; margin-left: 12.5vw; }
.sg-ab-cul__desc { margin-top: clamp(31.2px, 3.125vw, 63px); white-space: pre-line; }

.sg-ab-cul__bars {
  position: absolute;
  left: 0;
  top: clamp(20.8px, 2.0833vw, 42px);
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sg-gutter);
}

.sg-ab-cul__nav { display: flex; align-items: center; flex-shrink: 0; }
.sg-ab-cul__nav li { padding: 0 10px; border-right: 2px solid #aaa; cursor: pointer; }
.sg-ab-cul__nav li:last-child { border-right: 0; }
.sg-ab-cul__nav li.is-active { color: #000; font-weight: 700; }

/* 发展历程：深色区块 + 居中轮播 + 年份导航（原 .z_about_process） */
.sg-ab-proc {
  position: relative;
  overflow: hidden;
  background: var(--sg-dark);
  color: var(--sg-sand);
  padding-bottom: clamp(52px, 5.2083vw, 105px);
}

.sg-ab-proc__head { padding-left: 2.6042vw; padding-top: clamp(41.6px, 4.1667vw, 84px); }
.sg-ab-proc__viewport { margin-top: clamp(31.2px, 3.125vw, 63px); }

.sg-ab-proc__slide { transition: ease 1s; transform: scale(.5, .5); filter: blur(10px); opacity: .1; }
.sg-ab-proc__slide.is-active { transform: scale(1, 1); filter: blur(0); opacity: 1; }

.sg-ab-proc__year { font-size: clamp(20px, 1.25vw, 25.2px); }
.sg-ab-proc__img { height: 21.3542vw; margin: 10px 0 clamp(9.36px, .9375vw, 18.9px); overflow: hidden; }
.sg-ab-proc__tt { margin-bottom: 5px; font-size: clamp(20px, 1.25vw, 25.2px); font-weight: 700; }
.sg-ab-proc__cc { white-space: pre-line; }

.sg-ab-proc__btns {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: clamp(31.2px, 3.125vw, 63px);
  padding: 0 2.6042vw;
}

.sg-ab-proc__btns .sg-src-btn { border-color: var(--sg-sand); color: var(--sg-sand); }
.sg-ab-proc__btns .sg-src-btn:hover { background: var(--sg-sand); border-color: var(--sg-sand); color: var(--sg-dark); }

.sg-ab-proc__nav {
  display: flex;
  justify-content: space-between;
  margin-top: clamp(40px, 2.6042vw, 52.5px);
  padding: 0 2.6042vw;
  border-top: 1px solid #615954;
}

.sg-ab-proc__nav li { position: relative; width: auto; padding: 20px 0; line-height: 24px; cursor: pointer; }
.sg-ab-proc__nav li.is-active { color: #fff; }

.sg-ab-proc__nav li::before {
  content: "";
  position: absolute;
  left: 0;
  top: -4px;
  width: 7px;
  height: 7px;
  background: #615954;
}

@media screen and (max-width: 980px) {
  .sg-ab__bg { display: none; }
  .sg-ab__banner .sg-src-banner__info { display: none; }

  .sg-ab-intro { padding-bottom: 40px; }
  .sg-ab-intro__warps { border-top: 0; }
  .sg-ab-intro__fl { display: none; }
  .sg-ab-intro__fr { padding: 0; }
  .sg-ab-intro__desc { width: 100%; margin-top: 30px; }
  .sg-ab-intro__rr { width: 100%; height: 50vw; }

  .sg-ab-svc__top { display: block; }
  .sg-ab-svc__box1,
  .sg-ab-svc__box2 { width: 100%; height: 100vw; margin-left: 0; }
  .sg-ab-svc__info { width: 100%; margin-left: 0; }
  .sg-ab-svc__desc { line-height: 24px; }

  .sg-ab-cul__slide { height: auto; }
  .sg-ab-cul__item { flex-flow: column-reverse; padding: 0; }
  .sg-ab-cul__img { width: 100%; height: 60vw; }
  .sg-ab-cul__info { width: 100%; margin-left: 0; padding: 30px 12px; }
  .sg-ab-cul__nav { display: none; }

  .sg-ab-proc__img { height: 55vw; }
  .sg-ab-proc__nav { justify-content: flex-start; }
  .sg-ab-proc__nav li { margin-right: 20px; }
}

@media screen and (min-width: 1920px) {
  .sg-ab-intro { padding-bottom: 150px; }
  .sg-ab-svc__box2 { margin-left: 7px; }
  .sg-ab-svc__info { margin-left: 130px; }
  .sg-ab-svc__desc { line-height: 24px; }
  .sg-ab-cul__info { margin-left: 240px; }
}

/* =========================================================
   九、服务（原 /service.html）
   ========================================================= */

/* 首屏：双图 + 文案 + 数据（原 .z_index_service.z_service_head）
   原站 .z_index_service 自带 padding:7.2917vw 0，正是它让首屏双图落在
   固定导航栏（高 6.25vw，上限 126px）下方；两个值同源同单位，各断点都留有余量。 */
.sg-svc-head {
  background: url(../img/bg.jpg) no-repeat top center;
  background-size: cover;
  padding: 7.2917vw 0;
}

.sg-svc-head__top { display: flex; align-items: center; }

.sg-svc-head__box1 { width: 39.0625vw; height: 36.4583vw; flex-shrink: 0; overflow: hidden; }
.sg-svc-head__box2 { width: 24.7917vw; height: 36.4583vw; margin-left: .3646vw; flex-shrink: 0; overflow: hidden; }
.sg-svc-head__info { width: 22.3958vw; margin-left: 6.7708vw; }
.sg-svc-head__desc { margin: 2.6042vw 0; line-height: 1.25vw; color: var(--sg-text); white-space: pre-line; }

.sg-svc-head__statwrap { margin-top: 4.1667vw; padding: 0 2.6042vw; }
.sg-svc-head__stats { display: flex; justify-content: space-between; }
.sg-svc-head__stats h3 { font-weight: 700; }
.sg-svc-head__stats em {
  display: inline-block;
  margin-right: 5px;
  font-size: clamp(24px, 1.875vw, 37.8px);
  font-style: normal;
}
.sg-svc-head__cc { margin-top: 7px; white-space: pre-line; }

/* 设计收费（原 .z_service_cost） */
.sg-svc-cost {
  padding: clamp(40px, 5.7292vw, 115.5px) var(--sg-gutter) clamp(40px, 9.8958vw, 199.5px);
}

.sg-svc-cost__warps {
  display: flex;
  margin-top: clamp(26px, 2.6042vw, 52.5px);
  border-top: 1px solid #bbb;
  border-bottom: 1px solid #bbb;
}

.sg-svc-cost__col { flex: 1; display: flex; flex-direction: column; border-right: 1px solid #bbb; }
.sg-svc-cost__col:last-child { border-right: 0; }
.sg-svc-cost__col:last-child li { padding-left: 4.1667vw; }

.sg-svc-cost__col li {
  display: flex;
  align-items: flex-start;
  padding: clamp(26px, 2.6042vw, 52.5px) 0;
  border-bottom: 1px solid #bbb;
}

.sg-svc-cost__col li:last-child { border-bottom: 0; }

.sg-svc-cost__num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 23px;
  height: 23px;
  margin-right: 10px;
  border: 1px solid var(--sg-dark);
  border-radius: 50%;
  font-weight: 700;
}

.sg-svc-cost__tt { font-size: clamp(18px, 1.0417vw, 21px); font-weight: 700; line-height: 24px; }
.sg-svc-cost__desc { margin-top: clamp(10px, .5208vw, 10.5px); white-space: pre-line; }

.sg-svc-cost__imgcon { display: flex; align-items: center; margin-top: clamp(10.4px, 1.0417vw, 21px); }
.sg-svc-cost__img { width: 22.9167vw; margin-right: 1.0417vw; flex-shrink: 0; }
.sg-svc-cost__img img { display: block; width: 100%; }

/* 首席组和全案组（原 .z_service_group） */
.sg-svc-group {
  background: var(--sg-sand);
  padding: clamp(50px, 6.7708vw, 136.5px) var(--sg-gutter);
}

.sg-svc-group__list { margin-top: clamp(30px, 4.6875vw, 94.5px); }

.sg-svc-group__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(40px, 8.3333vw, 168px);
}

.sg-svc-group__item:first-child { margin-top: 0; }
.sg-svc-group__item:nth-child(even) { flex-flow: row-reverse; }
.sg-svc-group__img { width: 47.2917vw; height: 31.5104vw; flex-shrink: 0; overflow: hidden; }
.sg-svc-group__info { flex: 1; display: flex; align-items: center; justify-content: center; }
.sg-svc-group__con { width: 19.2708vw; }
.sg-svc-group__tt { font-size: clamp(18px, 1.5625vw, 31.5px); font-weight: 700; }
.sg-svc-group__desc { margin-top: clamp(20.8px, 2.0833vw, 42px); white-space: pre-line; }

/* 服务流程：中央竖线时间轴（原 .z_service_process） */
.sg-svc-proc {
  position: relative;
  overflow: hidden;
  background: url(../img/bg4.jpg) no-repeat top center;
  background-size: cover;
  color: var(--sg-theme);
  padding: clamp(50px, 6.25vw, 126px) 0;
}

.sg-svc-proc .sg-title { text-align: center; }
.sg-svc-proc__list { position: relative; margin-top: clamp(40px, 3.6458vw, 73.5px); }

.sg-svc-proc__list::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--sg-theme);
}

.sg-svc-proc__item { display: flex; align-items: flex-start; width: 50%; margin-left: 50%; }
.sg-svc-proc__item:nth-child(even) { flex-flow: row-reverse; margin-left: 0; text-align: right; }
.sg-svc-proc__item:nth-child(even) .sg-svc-proc__num { margin-right: -15px; }

.sg-svc-proc__num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--sg-theme);
  color: var(--sg-dark);
  font-weight: 700;
}

.sg-svc-proc__line { width: 34px; height: 1px; margin: 14px 5px 0; background: var(--sg-theme); flex-shrink: 0; }
.sg-svc-proc__tt { font-size: clamp(18px, 1.0417vw, 21px); font-weight: 700; line-height: 30px; }
.sg-svc-proc__desc {
  margin-top: clamp(10px, .5208vw, 10.5px);
  padding-bottom: clamp(15.6px, 1.5625vw, 31.5px);
  white-space: pre-line;
}

@media screen and (max-width: 980px) {
  /* 原站移动端整块隐藏首屏与图片轮播 */
  .sg-svc-head { display: none; }
  .sg-img-swiper { display: none; }

  .sg-svc-cost { margin-top: 55px; }
  .sg-svc-cost__warps { display: block; }
  .sg-svc-cost__col { border-right: 0; }
  .sg-svc-cost__col:last-child li { padding-left: 0; }
  .sg-svc-cost__imgcon { display: block; }
  .sg-svc-cost__img { width: 100%; margin: 20px 0; }

  .sg-svc-group__item { display: block; }
  .sg-svc-group__img { width: 100%; height: 60vw; }
  .sg-svc-group__info { display: block; margin-top: 30px; }
  .sg-svc-group__con { width: 100%; }

  .sg-svc-proc { padding-left: 12px; padding-right: 12px; }
  .sg-svc-proc__list::before { display: none; }
  .sg-svc-proc__item { width: 100%; margin-left: 0; margin-bottom: 20px; }
  .sg-svc-proc__item:nth-child(even) { flex-flow: row; text-align: left; }
  .sg-svc-proc__line { width: 10px; }
  .sg-svc-proc__num { margin: 0 !important; }
  .sg-svc-proc .sg-title { text-align: left; }
}

@media screen and (min-width: 1920px) {
  .sg-svc-head__box2 { margin-left: 7px; }
  .sg-svc-head__info { margin-left: 130px; }
  .sg-svc-head__desc { line-height: 24px; }
  .sg-svc-cost__col:last-child li { padding-left: 80px; }
  .sg-svc-cost__img { margin-right: 20px; }
}