/* =====================================================================
   办公之家 · 上海特色高端写字楼中介 设计系统
   Design Language: 「海派·外滩」
   —— 外滩鎏金 × 陆家嘴深蓝 × 石库门砖红点缀 × 宣纸底色
   信任感来源：衬线大标题(报刊级)、金色发丝线、实勘徽章、数据背书
   ===================================================================== */

:root {
  /* 主色 */
  --sh-ink: #0c2340;          /* 外滩夜空墨蓝 */
  --sh-navy: #14375f;         /* 陆家嘴深蓝 */
  --sh-navy-2: #1d4a7a;       /* 过渡蓝 */
  --sh-gold: #c9a227;         /* 外滩鎏金 */
  --sh-gold-light: #e3c96b;   /* 浅金 */
  --sh-gold-deep: #a5821c;    /* 深金 */
  --sh-brick: #9e3b33;        /* 石库门砖红（点缀） */
  --sh-paper: #f7f4ee;        /* 宣纸米白 */
  --sh-cloud: #fbfaf7;        /* 云白 */
  --sh-line: #e5ddcd;         /* 米金发丝线 */
  --sh-text: #2b2f36;
  --sh-text-2: #5c6470;
  --sh-shadow: 0 10px 40px rgba(12, 35, 64, .10);
  --sh-shadow-lg: 0 18px 60px rgba(12, 35, 64, .16);
  --sh-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sh-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ---------------- 基础 ---------------- */
.sh-body {
  font-family: var(--sh-sans);
  color: var(--sh-text);
  background: var(--sh-cloud);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
.sh-wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* 衬线标题 */
.sh-display {
  font-family: var(--sh-serif);
  font-weight: 700;
  color: var(--sh-ink);
  letter-spacing: .06em;
  line-height: 1.3;
}
.sh-h1 { font-size: clamp(30px, 4vw, 46px); }
.sh-h2 { font-size: clamp(24px, 3vw, 34px); }
.sh-h3 { font-size: 20px; }

/* 金色小字眉题 */
.sh-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: .35em; text-indent: .35em;
  color: var(--sh-gold-deep); font-weight: 600;
  text-transform: uppercase;
}
.sh-eyebrow::before, .sh-eyebrow::after {
  content: ""; width: 28px; height: 1px; background: var(--sh-gold);
}

/* 区块标题组 */
.sh-head { text-align: center; margin-bottom: 52px; }
.sh-head .sh-eyebrow { margin-bottom: 14px; }
.sh-head p.sh-sub {
  color: var(--sh-text-2); font-size: 15.5px; max-width: 720px; margin: 14px auto 0;
}

/* 金色发丝分隔线（带菱形结） */
.sh-rule {
  display: flex; align-items: center; justify-content: center; gap: 12px; margin: 0 auto;
}
.sh-rule::before, .sh-rule::after { content: ""; height: 1px; width: 120px; background: linear-gradient(90deg, transparent, var(--sh-gold)); }
.sh-rule::after { background: linear-gradient(270deg, transparent, var(--sh-gold)); }
.sh-rule i { width: 7px; height: 7px; background: var(--sh-gold); transform: rotate(45deg); }

/* ---------------- 顶栏（信任条） ---------------- */
.sh-topbar {
  background: var(--sh-ink); color: rgba(255,255,255,.82);
  font-size: 12.5px; letter-spacing: .05em;
}
.sh-topbar .sh-wrap {
  display: flex; align-items: center; justify-content: space-between; min-height: 34px; flex-wrap: wrap; gap: 4px 18px;
}
.sh-topbar em { font-style: normal; color: var(--sh-gold-light); }
.sh-topbar .sh-toplinks a { color: rgba(255,255,255,.72); text-decoration: none; margin-left: 18px; }
.sh-topbar .sh-toplinks a:hover { color: #fff; }

/* ---------------- 主导航 ---------------- */
.sh-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--sh-line);
  box-shadow: 0 2px 20px rgba(12,35,64,.05);
}
.sh-header .sh-wrap {
  display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 20px;
}
.sh-logo img { height: 46px; display: block; }
.sh-nav { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.sh-nav > li { position: relative; }
.sh-nav > li > a {
  display: block; padding: 10px 18px; text-decoration: none;
  color: var(--sh-ink); font-weight: 600; font-size: 15.5px; letter-spacing: .04em;
  border-bottom: 2px solid transparent; transition: all .25s;
}
.sh-nav > li > a:hover, .sh-nav > li.on > a,
.sh-nav > li.navon > a, .sh-nav > li > a.navon { color: var(--sh-gold-deep); border-bottom-color: var(--sh-gold); }
.sh-nav > li > a i { font-size: 10px; margin-left: 4px; color: var(--sh-text-2); }
/* 二级下拉菜单（易优 models 标签输出） */
.sh-nav .nav_item_open {
  display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: #fff; border: 1px solid var(--sh-line); border-top: 2px solid var(--sh-gold);
  box-shadow: var(--sh-shadow); min-width: 900px; max-width: 96vw; z-index: 1001; padding: 10px 0;
  columns: 9; column-gap: 0; column-rule: 1px dashed var(--sh-line);
}
.sh-nav > li:hover .nav_item_open { display: block; }
.sh-nav .nav_item2 a {
  display: block; padding: 8px 14px; font-size: 13px; color: var(--sh-text);
  text-decoration: none; white-space: nowrap; transition: all .2s; break-inside: avoid;
}
.sh-nav .nav_item2 a:hover { color: var(--sh-gold-deep); background: var(--sh-paper); }
.sh-nav-phone {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.sh-nav-phone .npt { text-align: right; line-height: 1.25; }
.sh-nav-phone .npt small { display: block; font-size: 11px; color: var(--sh-text-2); letter-spacing: .12em; }
.sh-nav-phone .npt b { font-size: 20px; color: var(--sh-ink); font-family: var(--sh-serif); letter-spacing: .02em; }
.sh-nav-phone .disc {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  background: linear-gradient(145deg, var(--sh-gold), var(--sh-gold-deep));
  color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px;
  box-shadow: 0 6px 16px rgba(201,162,39,.35);
}

/* ---------------- 首屏 Hero ---------------- */
.sh-hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(29,74,122,.55), transparent 60%),
    linear-gradient(160deg, #081a30 0%, var(--sh-ink) 45%, #16375c 100%);
}
/* 夜景光点 */
.sh-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    radial-gradient(2px 2px at 12% 30%, rgba(227,201,107,.9), transparent 60%),
    radial-gradient(1.6px 1.6px at 28% 62%, rgba(255,255,255,.8), transparent 60%),
    radial-gradient(2px 2px at 55% 22%, rgba(227,201,107,.75), transparent 60%),
    radial-gradient(1.5px 1.5px at 72% 48%, rgba(255,255,255,.7), transparent 60%),
    radial-gradient(2px 2px at 88% 34%, rgba(227,201,107,.8), transparent 60%);
}
.sh-hero .sh-wrap { position: relative; z-index: 2; }
.sh-hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding: 84px 0 64px; }
.sh-hero .sh-eyebrow { color: var(--sh-gold-light); }
.sh-hero h1.sh-display {
  color: #fff; margin: 18px 0 20px; font-size: clamp(26px, 3vw, 42px); letter-spacing: .05em; white-space: nowrap;
}
.sh-hero h1 .gold { color: var(--sh-gold-light); }
.sh-hero .sh-lead {
  color: rgba(255,255,255,.82); font-size: 16.5px; max-width: 560px; margin-bottom: 34px;
}
.sh-hero-stats { display: flex; gap: 0; border-top: 1px solid rgba(227,201,107,.35); padding-top: 26px; margin-top: 8px; flex-wrap: wrap; }
.sh-hero-stats .st { padding: 0 34px; border-left: 1px solid rgba(255,255,255,.14); }
.sh-hero-stats .st:first-child { padding-left: 0; border-left: none; }
.sh-hero-stats b { display: block; font-family: var(--sh-serif); font-size: 34px; color: var(--sh-gold-light); line-height: 1.15; }
.sh-hero-stats span { font-size: 13px; color: rgba(255,255,255,.72); letter-spacing: .1em; }

/* 首屏天际线剪影 */
.sh-skyline { position: absolute; left: 0; right: 0; bottom: -4px; width: 100%; height: 150px; z-index: 1; opacity: .55; pointer-events: none; }
.sh-hero-right { position: relative; z-index: 2; }

/* ---------------- 需求表单卡（石库门样式） ---------------- */
.sh-formcard {
  background: var(--sh-paper);
  border: 1px solid var(--sh-gold);
  box-shadow: var(--sh-shadow-lg), inset 0 0 0 4px var(--sh-paper), inset 0 0 0 5.5px rgba(201,162,39,.5);
  padding: 34px 32px 30px; position: relative;
}
.sh-formcard::before, .sh-formcard::after {
  content: ""; position: absolute; width: 26px; height: 26px;
  border: 2px solid var(--sh-gold); pointer-events: none;
}
.sh-formcard::before { top: 10px; left: 10px; border-right: none; border-bottom: none; }
.sh-formcard::after { bottom: 10px; right: 10px; border-left: none; border-top: none; }
.sh-formcard h3 { font-family: var(--sh-serif); color: var(--sh-ink); font-size: 22px; text-align: center; letter-spacing: .12em; margin-bottom: 6px; }
.sh-formcard .fc-sub { text-align: center; font-size: 12.5px; color: var(--sh-brick); letter-spacing: .2em; margin-bottom: 22px; }
.sh-formcard .frow, .convert-form .frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.sh-formcard input:not([type=submit]):not([type=reset]):not([type=button]), .sh-formcard select, .sh-formcard textarea,
.convert-form input:not([type=submit]):not([type=reset]):not([type=button]), .convert-form select, .convert-form textarea {
  width: 100%; padding: 12px 14px; font-size: 14.5px; font-family: var(--sh-sans);
  border: 1px solid #d8cfba; background: #fff; color: var(--sh-text); border-radius: 2px; transition: border .2s, box-shadow .2s;
}
.sh-formcard input:not([type=submit]):not([type=reset]):not([type=button]):focus, .sh-formcard select:focus, .sh-formcard textarea:focus,
.convert-form input:not([type=submit]):not([type=reset]):not([type=button]):focus, .convert-form select:focus, .convert-form textarea:focus {
  outline: none; border-color: var(--sh-gold); box-shadow: 0 0 0 3px rgba(201,162,39,.15);
}
.sh-formcard textarea, .convert-form textarea { grid-column: 1 / -1; min-height: 88px; resize: vertical; }
.sh-formcard .fsubmit, .convert-form .fsubmit {
  grid-column: 1 / -1; width: 100%; margin-top: 4px;
  background: linear-gradient(145deg, var(--sh-gold), var(--sh-gold-deep));
  color: #fff; font-size: 16px; letter-spacing: .35em; text-indent: .35em; font-weight: 700;
  border: none; padding: 15px; cursor: pointer; border-radius: 2px;
  box-shadow: 0 8px 20px rgba(165,130,28,.35); transition: transform .2s, box-shadow .2s;
}
.sh-formcard .fsubmit:hover, .convert-form .fsubmit:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(165,130,28,.45); }
.sh-formcard .fc-note, .convert-form .fc-note { text-align: center; font-size: 12px; color: var(--sh-text-2); margin-top: 14px; }
.sh-formcard .fc-note i, .convert-form .fc-note i { color: var(--sh-gold-deep); margin-right: 4px; }

/* ---------------- 通用区块 ---------------- */
.sh-section { padding: 88px 0; }
.sh-section.tint { background: var(--sh-paper); }
.sh-section.navy {
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(29,74,122,.5), transparent 60%),
    linear-gradient(150deg, #081a30, var(--sh-ink) 55%, #16375c);
  color: #fff;
}
.sh-section.navy .sh-display { color: #fff; }
.sh-section.navy .sh-eyebrow { color: var(--sh-gold-light); }
.sh-section.navy .sh-sub { color: rgba(255,255,255,.75); }

/* ---------------- 房源卡片 ---------------- */
.sh-prop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sh-prop {
  background: #fff; border: 1px solid var(--sh-line); position: relative;
  transition: transform .3s, box-shadow .3s; text-decoration: none; display: block; color: inherit;
}
.sh-prop:hover { transform: translateY(-6px); box-shadow: var(--sh-shadow-lg); }
.sh-prop::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--sh-gold), var(--sh-gold-light));
  transform: scaleX(0); transform-origin: left; transition: transform .35s;
}
.sh-prop:hover::after { transform: scaleX(1); }
.sh-prop .ph { height: 205px; overflow: hidden; position: relative; background: #dfe6ee; }
.sh-prop .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.sh-prop:hover .ph img { transform: scale(1.05); }
.sh-prop .ph .badge {
  position: absolute; top: 12px; left: 12px; background: rgba(12,35,64,.85); color: var(--sh-gold-light);
  font-size: 12px; letter-spacing: .18em; padding: 5px 12px; border: 1px solid rgba(227,201,107,.6);
}
.sh-prop .bd { padding: 20px 22px 22px; }
.sh-prop .bd h3 {
  font-family: var(--sh-serif); font-size: 19px; color: var(--sh-ink); letter-spacing: .05em; margin-bottom: 6px;
}
.sh-prop .loc { font-size: 13.5px; color: var(--sh-text-2); margin-bottom: 14px; }
.sh-prop .loc i { color: var(--sh-brick); margin-right: 5px; }
.sh-prop .meta { display: flex; gap: 14px; font-size: 13px; color: var(--sh-text-2); padding-bottom: 14px; border-bottom: 1px dashed var(--sh-line); }
.sh-prop .meta span i { color: var(--sh-navy-2); margin-right: 4px; }
.sh-prop .price-row { display: flex; align-items: baseline; justify-content: space-between; padding-top: 12px; }
.sh-prop .price { font-family: var(--sh-serif); font-size: 22px; color: var(--sh-brick); font-weight: 700; }
.sh-prop .price small { font-size: 12px; color: var(--sh-text-2); font-weight: 400; margin-left: 2px; }
.sh-prop .more { font-size: 13px; color: var(--sh-gold-deep); letter-spacing: .1em; }

/* ---------------- 服务卡 ---------------- */
.sh-svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sh-svc {
  background: #fff; border: 1px solid var(--sh-line); padding: 38px 32px; position: relative; transition: all .3s;
}
.sh-svc:hover { box-shadow: var(--sh-shadow); transform: translateY(-4px); }
.sh-svc .num {
  position: absolute; top: 18px; right: 24px; font-family: var(--sh-serif); font-size: 44px;
  color: rgba(201,162,39,.18); font-weight: 700; line-height: 1;
}
.sh-svc .ico {
  width: 58px; height: 58px; border: 1px solid var(--sh-gold); transform: rotate(45deg);
  display: flex; align-items: center; justify-content: center; margin-bottom: 26px; background: var(--sh-paper);
}
.sh-svc .ico i { transform: rotate(-45deg); color: var(--sh-gold-deep); font-size: 22px; }
.sh-svc h3 { font-family: var(--sh-serif); font-size: 20px; color: var(--sh-ink); letter-spacing: .08em; margin-bottom: 12px; }
.sh-svc p { font-size: 14.5px; color: var(--sh-text-2); }
.sh-svc .svc-line { width: 34px; height: 2px; background: var(--sh-gold); margin-top: 18px; transition: width .3s; }
.sh-svc:hover .svc-line { width: 64px; }

/* ---------------- 信任背书条 ---------------- */
.sh-trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.sh-trust .titem {
  background: rgba(255,255,255,.06); border: 1px solid rgba(227,201,107,.28);
  padding: 30px 26px; text-align: center; transition: background .3s;
}
.sh-trust .titem:hover { background: rgba(255,255,255,.1); }
.sh-trust .titem i { font-size: 26px; color: var(--sh-gold-light); margin-bottom: 14px; display: block; }
.sh-trust .titem b { display: block; font-family: var(--sh-serif); font-size: 18px; letter-spacing: .1em; margin-bottom: 6px; color: #fff; }
.sh-trust .titem span { font-size: 13px; color: rgba(255,255,255,.65); line-height: 1.7; display: block; }

/* ---------------- 案例区 ---------------- */
.sh-case {
  background: #fff; border: 1px solid var(--sh-line); padding: 40px 44px; position: relative;
  box-shadow: var(--sh-shadow);
}
.sh-case::before {
  content: "”"; position: absolute; top: 6px; left: 22px; font-family: var(--sh-serif);
  font-size: 90px; color: rgba(201,162,39,.18); line-height: 1;
}
.sh-case h3 { font-family: var(--sh-serif); color: var(--sh-ink); font-size: 21px; letter-spacing: .06em; margin-bottom: 16px; padding-left: 46px; }
.sh-case .cs-row { margin-bottom: 10px; font-size: 14.5px; color: var(--sh-text-2); padding-left: 46px; }
.sh-case .cs-row strong { color: var(--sh-ink); }
.sh-case .quote {
  margin: 22px 0 0 46px; background: var(--sh-paper); border-left: 3px solid var(--sh-gold);
  padding: 18px 22px; font-size: 14.5px; color: var(--sh-text); line-height: 1.9;
}
.sh-case .quote b { display: block; margin-top: 10px; color: var(--sh-brick); font-style: normal; }
.sh-case-nav { text-align: center; margin-top: 28px; }
.sh-case-nav button {
  background: none; border: 1px solid var(--sh-gold); color: var(--sh-gold-deep);
  padding: 10px 26px; margin: 0 8px; cursor: pointer; letter-spacing: .2em; text-indent: .2em; font-size: 13.5px; transition: all .25s;
}
.sh-case-nav button:hover { background: var(--sh-gold); color: #fff; }
.sh-case-slide { display: none; }
.sh-case-slide.active { display: block; animation: shFade .45s ease; }
@keyframes shFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------- 数据背书条 ---------------- */
.sh-strip {
  background: linear-gradient(90deg, var(--sh-brick), #7d2d27); color: #fff;
  padding: 20px 0; position: relative; overflow: hidden;
}
.sh-strip::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(-45deg, rgba(255,255,255,.05) 0 2px, transparent 2px 14px);
}
.sh-strip .sh-wrap { display: flex; align-items: center; justify-content: space-around; flex-wrap: wrap; gap: 10px 30px; position: relative; }
.sh-strip .sitem { font-size: 14.5px; letter-spacing: .08em; display: flex; align-items: center; gap: 8px; }
.sh-strip .sitem i { color: var(--sh-gold-light); }

/* ---------------- 资讯卡 ---------------- */
.sh-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sh-news {
  background: #fff; border: 1px solid var(--sh-line); text-decoration: none; color: inherit; display: block; transition: all .3s;
}
.sh-news:hover { box-shadow: var(--sh-shadow); transform: translateY(-4px); }
.sh-news .bd { padding: 20px 22px; }
.sh-news .date { font-family: var(--sh-serif); color: var(--sh-gold-deep); font-size: 13px; letter-spacing: .1em; }
.sh-news h3 { font-size: 16.5px; color: var(--sh-ink); line-height: 1.6; margin: 8px 0 10px; font-weight: 600; }
.sh-news p { font-size: 13.5px; color: var(--sh-text-2); }
.sh-news .more { font-size: 12.5px; color: var(--sh-gold-deep); letter-spacing: .12em; margin-top: 10px; display: inline-block; }

/* ---------------- 金句横幅 ---------------- */
.sh-motto { text-align: center; padding: 70px 24px; }
.sh-motto .zh {
  font-family: var(--sh-serif); font-size: clamp(22px, 3vw, 32px); color: var(--sh-ink);
  letter-spacing: .3em; text-indent: .3em;
}
.sh-motto .en { margin-top: 12px; font-size: 12.5px; color: var(--sh-gold-deep); letter-spacing: .5em; text-indent: .5em; text-transform: uppercase; }

/* ---------------- 页脚 ---------------- */
.sh-footer { background: var(--sh-ink); color: rgba(255,255,255,.75); padding-top: 70px; position: relative; }
.sh-footer .sh-wrap { position: relative; }
.sh-footer::before { content: ""; display: block; height: 3px; background: linear-gradient(90deg, var(--sh-gold), transparent 30%, transparent 70%, var(--sh-gold)); }
.sh-foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.sh-foot-grid h4 {
  font-family: var(--sh-serif); color: #fff; font-size: 17px; letter-spacing: .15em;
  margin-bottom: 20px; position: relative; padding-bottom: 12px;
}
.sh-foot-grid h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--sh-gold); }
.sh-foot-grid p { font-size: 13.5px; line-height: 2; }
.sh-foot-grid ul { list-style: none; padding: 0; margin: 0; }
.sh-foot-grid ul li { margin-bottom: 10px; }
.sh-foot-grid a { color: rgba(255,255,255,.72); text-decoration: none; font-size: 13.5px; transition: color .2s; }
.sh-foot-grid a:hover { color: var(--sh-gold-light); }
.sh-foot-grid .fcon i { color: var(--sh-gold); margin-right: 8px; width: 16px; }
.sh-foot-grid .fewm { text-align: center; }
.sh-foot-grid .fewm h4, .sh-foot-grid .fewm h4::after { text-align: center; }
.sh-foot-grid .fewm h4::after { left: 50%; transform: translateX(-50%); }
.sh-foot-grid .fewm img { width: 110px; height: 110px; display: block; background: #fff; padding: 6px; margin: 0 auto; }
.sh-foot-grid .fewm p { font-size: 12px; text-align: center; margin-top: 8px; color: rgba(255,255,255,.6); }
.sh-foot-copy {
  border-top: 1px solid rgba(255,255,255,.12); padding: 22px 0; text-align: center; font-size: 12.5px; color: rgba(255,255,255,.5);
}
.sh-foot-copy a { color: rgba(255,255,255,.62); text-decoration: none; margin: 0 6px; }
.sh-foot-copy a:hover { color: var(--sh-gold-light); }

/* ---------------- 悬浮咨询条 ---------------- */
.sh-float {
  position: fixed; right: 22px; bottom: 120px; z-index: 1200; display: flex; flex-direction: column; gap: 12px;
}
.sh-float a {
  width: 54px; height: 54px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--sh-ink); color: #fff; text-decoration: none; font-size: 11px; letter-spacing: .05em;
  box-shadow: var(--sh-shadow); border: 1px solid rgba(227,201,107,.5); transition: all .25s;
}
.sh-float a i { font-size: 17px; margin-bottom: 2px; }
.sh-float a:hover { background: var(--sh-gold); }
.sh-float a.tel { background: var(--sh-gold); border-color: var(--sh-gold-deep); }

/* ---------------- 动效 ---------------- */
.sh-reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.sh-reveal.in { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .sh-hero-inner { grid-template-columns: 1fr; padding: 64px 0 56px; }
  .sh-prop-grid, .sh-svc-grid, .sh-news-grid { grid-template-columns: repeat(2, 1fr); }
  .sh-trust { grid-template-columns: repeat(2, 1fr); }
  .sh-foot-grid { grid-template-columns: repeat(2, 1fr); }
  .sh-nav > li > a { padding: 10px 10px; font-size: 14px; }
}
@media (max-width: 720px) {
  .sh-section { padding: 60px 0; }
  .sh-prop-grid, .sh-svc-grid, .sh-news-grid, .sh-trust, .sh-foot-grid { grid-template-columns: 1fr; }
  .sh-formcard .frow, .convert-form .frow { grid-template-columns: 1fr; }
  .sh-nav { display: none; }
  .sh-nav .nav_item_open { display: none !important; min-width: 0; max-width: none; columns: auto; }
  .sh-topbar .sh-toplinks { display: none; }
  .sh-hero-stats .st { padding: 0 18px; }
  .sh-case { padding: 28px 22px; }
  .sh-case h3, .sh-case .cs-row, .sh-case .quote { padding-left: 0; margin-left: 0; }
  .sh-float { right: 12px; bottom: 90px; }
}