/* ============================================================
   宣城有成装饰工程有限公司 · 企业门户站
   style.css · 全站统一样式（P0 骨架版）
   品牌色：朱砂红 #A32D2D / 古铜金 #A8813E / 墨青 #1F4E4A
   ============================================================ */

:root{
  --red:#A32D2D;
  --red-dark:#7E2222;
  --red-soft:#FDF2F2;
  --gold:#A8813E;
  --gold-soft:#FBF6EC;
  --teal:#1F4E4A;
  --teal-dark:#153633;
  --teal-soft:#EFF6F5;
  --paper:#FFFFFF;
  --bg:#F5F2EC;
  --line:#E3DDD2;
  --ink:#1F2A2E;
  --ink-soft:#4A5A60;
  --ink-mute:#7C8A90;
  --serif:"Songti SC","Noto Serif SC","STSong","STZhongsong","SimSun",serif;
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --shadow:0 6px 24px rgba(31,42,46,.07);
  --shadow-lg:0 14px 44px rgba(31,42,46,.12);
  --radius:14px;
  --maxw:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--bg);color:var(--ink);
  line-height:1.8;font-size:15px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--teal-dark);color:#CDE3E0;font-size:12.5px}
.topbar .in{max-width:var(--maxw);margin:0 auto;padding:7px 20px;
  display:flex;justify-content:space-between;align-items:center;gap:12px}
.topbar a{color:#fff;font-weight:600}
.topbar a:hover{color:var(--gold)}

/* ---------- 头部导航 ---------- */
.header{background:var(--paper);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:90;backdrop-filter:blur(8px)}
.header .in{max-width:var(--maxw);margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;height:66px}

.logo{display:flex;align-items:center;gap:12px}
.logo .seal{
  width:42px;height:42px;flex:none;border-radius:6px;background:var(--red);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-weight:700;font-size:15px;line-height:1.15;
  text-align:center;letter-spacing:1px;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
}
.logo .name b{display:block;font-family:var(--serif);font-size:17px;
  font-weight:700;letter-spacing:2px;color:var(--ink);line-height:1.3}
.logo .name span{display:block;font-size:10.5px;color:var(--ink-mute);letter-spacing:2.5px}

.nav{display:flex;gap:6px}
.nav a{padding:8px 15px;font-size:14.5px;color:var(--ink-soft);
  border-radius:8px;transition:.2s;position:relative;white-space:nowrap}
.nav a:hover{color:var(--red);background:var(--red-soft)}
.nav a.active{color:var(--red);font-weight:600}
.nav a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;
  height:2px;background:var(--red);border-radius:2px}

.nav-toggle{display:none;background:none;border:1px solid var(--line);
  border-radius:8px;padding:8px 10px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);
  margin:4px 0;border-radius:2px;transition:.25s}

/* ---------- 首页主视觉 ---------- */
.hero{position:relative;min-height:72vh;display:flex;align-items:center;
  overflow:hidden;color:#fff}
.hero .bg{position:absolute;inset:0;background:url("../img/hero.jpg") center/cover no-repeat;
  transform:scale(1.03)}
.hero .veil{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,26,28,.82) 0%,rgba(18,26,28,.55) 45%,rgba(18,26,28,.15) 100%)}
.hero .in{position:relative;max-width:var(--maxw);margin:0 auto;padding:90px 20px;width:100%}
.hero .eyebrow{display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.35em;color:#E8D5A8;margin-bottom:20px}
.hero .eyebrow::before{content:"";width:34px;height:1px;background:#E8D5A8}
.hero h1{font-family:var(--serif);font-size:clamp(30px,5vw,50px);
  line-height:1.3;font-weight:700;letter-spacing:2px;max-width:640px}
.hero h1 em{font-style:normal;color:#F0C97E}
.hero p{margin-top:18px;font-size:16px;color:rgba(255,255,255,.86);max-width:520px}
.hero .acts{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.hero .facts{margin-top:48px;display:flex;gap:38px;flex-wrap:wrap}
.hero .facts div b{display:block;font-family:var(--serif);font-size:26px;color:#F0C97E;line-height:1.2}
.hero .facts div span{font-size:12.5px;color:rgba(255,255,255,.72);letter-spacing:1px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;
  border-radius:10px;font-size:15px;font-weight:600;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(163,45,45,.3)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;
  border:1px solid rgba(255,255,255,.45);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{background:transparent;color:var(--red);border:1.5px solid var(--red)}
.btn-outline:hover{background:var(--red);color:#fff}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-dark)}

/* ---------- 通用区块 ---------- */
.section{padding:76px 0}
.section.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.in{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.shead{margin-bottom:40px;max-width:640px}
.shead .kicker{font-size:12.5px;letter-spacing:.3em;color:var(--gold);font-weight:600;margin-bottom:10px}
.shead h2{font-family:var(--serif);font-size:clamp(24px,3.4vw,32px);font-weight:700;
  letter-spacing:1px;line-height:1.35}
.shead h2 em{font-style:normal;color:var(--red)}
.shead p{margin-top:12px;color:var(--ink-soft);font-size:15px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.shead.center .kicker::before,.shead.center .kicker::after{content:" — "}

/* ---------- 优势 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:.25s;position:relative;overflow:hidden}
.adv::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:.3s}
.adv:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.adv:hover::before{transform:scaleX(1)}
.adv .ic{width:46px;height:46px;border-radius:11px;background:var(--gold-soft);
  color:var(--gold);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.adv .ic svg{width:24px;height:24px}
.adv b{display:block;font-size:16.5px;font-weight:700;margin-bottom:8px;font-family:var(--serif);letter-spacing:.5px}
.adv p{font-size:13.5px;color:var(--ink-soft);line-height:1.75}

/* ---------- 产品宫格 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.pcard:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.pcard .ph{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--teal-soft)}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .ph img{transform:scale(1.06)}
.pcard .mark{position:absolute;left:12px;top:12px;background:rgba(31,42,46,.72);
  color:#F0C97E;font-size:11px;letter-spacing:2px;padding:4px 10px;border-radius:6px;
  backdrop-filter:blur(4px)}
.pcard .bd{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.pcard .bd b{font-family:var(--serif);font-size:16.5px;font-weight:700;letter-spacing:.5px}
.pcard .bd span{font-size:12.5px;color:var(--gold);margin-top:3px;letter-spacing:1px}
.pcard .bd p{font-size:13px;color:var(--ink-soft);margin-top:9px;line-height:1.7;flex:1}
.pcard .bd .more{margin-top:14px;font-size:13px;color:var(--red);font-weight:600;
  display:inline-flex;align-items:center;gap:5px}
.pcard .bd .more::after{content:"→";transition:.2s}
.pcard:hover .bd .more::after{transform:translateX(4px)}

/* 纹样占位（无实拍图时用） */
.ph-lattice{
  background-color:var(--teal-soft);
  background-image:
    radial-gradient(circle at 50% 50%, rgba(31,78,74,.10) 1.5px, transparent 1.6px),
    linear-gradient(45deg, rgba(31,78,74,.07) 25%, transparent 25%, transparent 75%, rgba(31,78,74,.07) 75%),
    linear-gradient(-45deg, rgba(31,78,74,.07) 25%, transparent 25%, transparent 75%, rgba(31,78,74,.07) 75%);
  background-size:22px 22px, 22px 22px, 22px 22px;
  background-position:0 0, 0 0, 11px 11px;
  display:flex;align-items:center;justify-content:center;
}
.ph-lattice .zi{font-family:var(--serif);font-size:30px;color:rgba(31,78,74,.42);
  writing-mode:vertical-rl;letter-spacing:10px;font-weight:700}

/* ---------- 材料对比 ---------- */
.compare{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow)}
.compare table{width:100%;border-collapse:collapse;font-size:14px}
.compare th{background:var(--teal);color:#fff;padding:14px 16px;text-align:left;
  font-weight:600;font-size:13.5px;letter-spacing:1px}
.compare th.hl{background:var(--red)}
.compare td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
.compare tr:last-child td{border-bottom:none}
.compare td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;background:#FAF8F4}
.compare tr:nth-child(even) td:not(:first-child){background:#FCFBF8}
.compare td.yes{color:var(--teal);font-weight:600}
.compare td.no{color:#B0524F}
.compare td.mid{color:var(--gold)}
.compare .note-in{padding:14px 16px;background:var(--gold-soft);font-size:13px;color:#6B5423}

/* ---------- 数字条 ---------- */
.band{background:var(--teal-dark);color:#fff;padding:56px 0}
.band .in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.band b{display:block;font-family:var(--serif);font-size:34px;color:#F0C97E;line-height:1.2}
.band span{font-size:13px;color:rgba(255,255,255,.75);letter-spacing:1px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:step}
.step{background:var(--paper);border:1px solid var(--line);border-radius:12px;
  padding:22px 16px;text-align:center;position:relative;transition:.25s}
.step:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.step::before{counter-increment:step;content:"0" counter(step);
  display:block;font-family:var(--serif);font-size:24px;font-weight:700;color:var(--gold);margin-bottom:8px}
.step b{display:block;font-size:14.5px;font-weight:700;margin-bottom:5px}
.step p{font-size:12.5px;color:var(--ink-mute);line-height:1.6}

/* ---------- 案列表 ---------- */
.caselist{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.caselist table{width:100%;border-collapse:collapse;font-size:14px}
.caselist th{background:var(--teal);color:#fff;padding:13px 16px;text-align:left;font-size:13.5px;letter-spacing:1px;font-weight:600}
.caselist td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft)}
.caselist tr:last-child td{border-bottom:none}
.caselist td b{color:var(--ink)}
.caselist .tag{display:inline-block;background:var(--gold-soft);color:var(--gold);
  border:1px solid #EFDDBA;font-size:12px;padding:2px 10px;border-radius:99px;margin:1px 3px 1px 0}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:linear-gradient(120deg,var(--red) 0%,var(--red-dark) 100%);
  color:#fff;padding:60px 0;position:relative;overflow:hidden}
.cta-band .in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h3{font-family:var(--serif);font-size:clamp(22px,3vw,30px);letter-spacing:1px;font-weight:700}
.cta-band p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.85)}
.cta-band .acts{display:flex;gap:14px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--red)}
.btn-white:hover{background:#F5E9E9;transform:translateY(-1px)}
.btn-wline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-wline:hover{background:rgba(255,255,255,.15)}

/* ---------- 页内 banner（子页头） ---------- */
.pagehead{position:relative;color:#fff;overflow:hidden}
.pagehead .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.pagehead .veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,26,28,.82),rgba(18,26,28,.5))}
.pagehead .in{position:relative;padding:76px 20px}
.pagehead .crumb{font-size:12.5px;color:rgba(255,255,255,.72);letter-spacing:2px;margin-bottom:12px}
.pagehead h1{font-family:var(--serif);font-size:clamp(26px,4vw,38px);font-weight:700;letter-spacing:2px}
.pagehead p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.85);max-width:560px}

/* ---------- 内容卡 ---------- */
.cols-2{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow)}
.card h3{font-family:var(--serif);font-size:19px;font-weight:700;margin-bottom:14px;
  padding-left:14px;border-left:4px solid var(--red);letter-spacing:1px}
.card p{color:var(--ink-soft);font-size:14.5px;margin-bottom:12px}
.card ul li{position:relative;padding-left:22px;margin-bottom:10px;font-size:14.5px;color:var(--ink-soft)}
.card ul li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--gold)}
.card ul li b{color:var(--ink)}
.imgcard{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.imgcard img{width:100%;height:100%;object-fit:cover}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:34px}
.cbox{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;text-align:center;transition:.25s}
.cbox:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.cbox .ic{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;
  background:var(--red-soft);color:var(--red);display:flex;align-items:center;justify-content:center}
.cbox .ic svg{width:25px;height:25px}
.cbox b{display:block;font-size:16px;font-family:var(--serif);letter-spacing:1px;margin-bottom:6px}
.cbox .val{font-size:17px;font-weight:700;color:var(--red);letter-spacing:1px}
.cbox .sub{font-size:12.5px;color:var(--ink-mute);margin-top:6px}
.wx-qr{margin:18px auto 0;width:150px;height:150px;border-radius:10px;
  border:1px dashed var(--line);background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--ink-mute);text-align:center;line-height:1.7;padding:10px}

/* ---------- 页脚 ---------- */
.footer{background:#16211F;color:rgba(255,255,255,.72);padding:56px 0 0;font-size:13.5px}
.footer .in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px;padding-bottom:40px}
.footer h4{color:#fff;font-family:var(--serif);font-size:15.5px;letter-spacing:2px;margin-bottom:16px}
.footer p{margin-bottom:8px;color:rgba(255,255,255,.66);font-size:13.5px}
.footer a{color:rgba(255,255,255,.66);display:block;padding:4px 0;transition:.2s}
.footer a:hover{color:#F0C97E}
.footer .fnav a::before{content:"· ";color:var(--gold)}
.footer .hotline{font-size:22px;color:#F0C97E;font-weight:700;font-family:var(--serif);letter-spacing:1px}
.footer .btm{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;text-align:center;
  font-size:12.5px;color:rgba(255,255,255,.42)}
.footer .btm .in{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:16px 20px}
.footer .btm a{color:rgba(255,255,255,.48);text-decoration:none;transition:.2s}
.footer .btm a:hover{color:rgba(255,255,255,.82);text-decoration:underline}

/* ---------- 手机底部浮动条 ---------- */
.floatbar{display:none}
.floatbar .in{position:fixed;left:0;right:0;bottom:0;z-index:95;
  display:grid;grid-template-columns:1fr 1fr;background:var(--paper);
  border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(31,42,46,.1)}
.floatbar a{display:flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 0;font-size:15px;font-weight:600}
.floatbar a.tel{color:var(--red)}
.floatbar a.wx{background:var(--teal);color:#fff}
.floatbar svg{width:18px;height:18px}
body.hasfloat{padding-bottom:52px}

/* ---------- 微信弹层 ---------- */
.wxpop{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;
  background:rgba(18,26,28,.55);backdrop-filter:blur(3px);padding:20px}
.wxpop.on{display:flex}
.wxpop .box{background:#fff;border-radius:16px;padding:34px 30px;max-width:340px;width:100%;
  text-align:center;position:relative;box-shadow:var(--shadow-lg)}
.wxpop .box h3{font-family:var(--serif);font-size:19px;margin-bottom:10px;letter-spacing:1px}
.wxpop .box p{font-size:14px;color:var(--ink-soft);margin-bottom:6px}
.wxpop .num{font-size:26px;font-weight:700;color:var(--red);letter-spacing:2px;
  font-family:var(--serif);margin:14px 0;padding:14px;background:var(--red-soft);border-radius:10px;
  border:1px dashed #E8C4C4;user-select:all}
.wxpop .close{position:absolute;right:14px;top:12px;background:none;border:none;
  font-size:22px;color:var(--ink-mute);cursor:pointer;line-height:1}

/* ---------- 项目案例宫格 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ccard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;cursor:pointer}
.ccard:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.ccard .ph{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--teal-soft)}
.ccard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ccard:hover .ph img{transform:scale(1.06)}
.ccard .mark{position:absolute;left:12px;top:12px;background:rgba(31,42,46,.72);color:#F0C97E;
  font-size:11.5px;letter-spacing:1px;padding:4px 10px;border-radius:6px;backdrop-filter:blur(4px)}
.ccard .picnum{position:absolute;right:12px;bottom:12px;background:rgba(31,42,46,.66);color:#fff;
  font-size:11.5px;padding:3px 9px;border-radius:6px;backdrop-filter:blur(4px)}
.ccard .bd{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.ccard .bd b{font-family:var(--serif);font-size:16px;font-weight:700;letter-spacing:.5px;line-height:1.45}
.ccard .meta{margin-top:6px;font-size:12.5px;color:var(--gold);letter-spacing:.5px}
.ccard .bd p{margin-top:9px;font-size:13px;color:var(--ink-soft);line-height:1.7;flex:1}
.ccard .tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.ccard .tag{display:inline-block;background:var(--gold-soft);color:var(--gold);
  border:1px solid #EFDDBA;font-size:11.5px;padding:2px 10px;border-radius:99px}
/* 待填占位卡（还没有案例时显示，就是给客户看的"这里以后放实拍"） */
.ccard.is-blank{border-style:dashed;background:#FBFAF6;cursor:default}
.ccard.is-blank:hover{transform:none;box-shadow:none}
.ccard.is-blank .bd b{color:var(--ink-mute)}
.ccard.is-blank .meta{color:var(--ink-mute)}
.ccard.is-blank .bd p{color:var(--ink-mute)}
.ccard.is-blank .tag{background:transparent;border-color:var(--line);color:var(--ink-mute)}
.case-tail{margin-top:20px;font-size:13px;color:var(--ink-mute)}
.case-note{margin-top:28px;text-align:center;padding:32px 24px;border-radius:var(--radius);
  background:var(--paper);border:1px solid var(--line)}
.case-note b{display:block;font-family:var(--serif);font-size:19px;letter-spacing:1px}
.case-note p{margin:10px auto 18px;max-width:540px;font-size:14px;color:var(--ink-soft)}

/* ---------- 案例图集灯箱 ---------- */
.galpop{position:fixed;inset:0;z-index:130;display:none;flex-direction:column;
  background:rgba(14,20,22,.94)}
.galpop.on{display:flex}
.galpop .gstage{flex:1;display:flex;align-items:center;justify-content:center;
  padding:54px 70px 10px;min-height:0}
.galpop .gstage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;
  box-shadow:0 20px 60px rgba(0,0,0,.5)}
.galpop .gbar{padding:0 30px 26px;color:#fff;text-align:center}
.galpop .gtxt b{display:block;font-family:var(--serif);font-size:17px;letter-spacing:1px}
.galpop .gtxt span{display:block;margin-top:4px;font-size:12.5px;color:#E8D5A8;letter-spacing:1px}
.galpop .gtxt p{margin:8px auto 0;max-width:620px;font-size:13px;color:rgba(255,255,255,.66)}
.galpop .gcount{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:2px}
.galpop .gthumbs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.galpop .gthumbs img{width:62px;height:46px;object-fit:cover;border-radius:6px;cursor:pointer;
  opacity:.5;border:2px solid transparent;transition:.2s}
.galpop .gthumbs img:hover{opacity:.85}
.galpop .gthumbs img.on{opacity:1;border-color:#F0C97E}
.galpop .gclose{position:absolute;right:18px;top:14px;background:none;border:none;
  color:rgba(255,255,255,.75);font-size:30px;line-height:1;cursor:pointer;z-index:2}
.galpop .gclose:hover{color:#fff}
.galpop .gnav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;
  border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:26px;line-height:1;cursor:pointer;z-index:2;transition:.2s;
  display:flex;align-items:center;justify-content:center}
.galpop .gnav:hover{background:rgba(255,255,255,.24)}
.galpop .gprev{left:16px}
.galpop .gnext{right:16px}
.galpop.single .gnav,.galpop.single .gthumbs{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .band .in{grid-template-columns:repeat(2,1fr)}
  .footer .in{grid-template-columns:1fr 1fr}
  .cols-2{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:14.5px}
  .topbar .in{justify-content:center}
  .topbar .hide-m{display:none}
  .header .in{height:60px}
  .logo .name b{font-size:15px}
  .nav{position:fixed;top:60px;left:0;right:0;background:var(--paper);
    flex-direction:column;gap:0;padding:10px 14px 16px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);display:none;z-index:89}
  .nav.open{display:flex}
  .nav a{padding:13px 12px;border-radius:8px;font-size:15px}
  .nav a.active::after{display:none}
  .nav-toggle{display:block}
  .nav-toggle.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle.on span:nth-child(2){opacity:0}
  .nav-toggle.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .hero{min-height:66vh}
  .hero .facts{gap:24px}
  .hero .facts div b{font-size:21px}
  .section{padding:54px 0}
  .grid-4,.prod-grid{grid-template-columns:1fr 1fr;gap:12px}
  .case-grid{grid-template-columns:1fr;gap:14px}
  .case-note{padding:24px 18px}
  .galpop .gstage{padding:50px 12px 6px}
  .galpop .gnav{width:38px;height:38px;font-size:22px}
  .galpop .gprev{left:6px}
  .galpop .gnext{right:6px}
  .galpop .gbar{padding:0 16px 20px}
  .galpop .gtxt p{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .adv{padding:20px 16px}
  .compare table,.caselist table{font-size:13px}
  .compare th,.compare td,.caselist th,.caselist td{padding:10px 10px}
  .compare td:first-child{white-space:normal}
  .band b{font-size:26px}
  .cta-band .in{flex-direction:column;align-items:flex-start}
  .contact-grid{grid-template-columns:1fr}
  .footer .in{grid-template-columns:1fr;gap:26px}
  .floatbar{display:block}
  body.hasfloat .footer .btm{padding-bottom:70px}
}
@media (max-width:400px){
  .grid-4,.prod-grid{grid-template-columns:1fr}
}