/* ============================================================
   佛山恒杉装饰 — 局部装修 · 高端大气
   ============================================================ */
:root{
  --ink:#2B2522;--ink2:#3d322c;--ink3:#6b5f56;
  --accent:#C0784B;--accent2:#E8C876;
  --bg:#faf8f5;--card:#fff;--line:#eae5de;
  --serif:"Noto Serif SC","Songti SC","STZhongsong","SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","SimHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink2);line-height:1.8;background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
@media(max-width:768px){.wrap{padding:0 20px}}

/* ===== NAV ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(43,37,34,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,200,118,.15)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.nav-logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.nav-logo svg{width:34px;height:34px;flex-shrink:0}
.nav-logo span{font-family:var(--serif);font-size:1.12rem}
.nav-links{display:flex;gap:32px;font-size:14px}
.nav-links a{color:rgba(255,255,255,.75);transition:color .2s}
.nav-links a:hover{color:var(--accent2)}
.nav-tel{background:var(--accent);color:#fff;padding:9px 18px;border-radius:6px;font-size:13px;font-weight:700;white-space:nowrap;transition:all .2s;display:inline-flex;align-items:center;gap:7px}
.nav-tel:hover{background:#a8663d;transform:translateY(-1px)}
@media(max-width:900px){.nav-links{display:none}.nav .wrap{height:58px}.nav-logo{font-size:.95rem}.nav-tel{padding:7px 12px;font-size:12px}}

/* ===== HERO ===== */
.hero{position:relative;min-height:600px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(43,37,34,.92) 0%,rgba(43,37,34,.72) 45%,rgba(43,37,34,.25) 100%)}
.hero .wrap{position:relative;z-index:2;color:#fff;padding-top:80px;padding-bottom:80px}
.hero-badge{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--accent2);border:1px solid rgba(232,200,118,.4);padding:6px 16px;border-radius:30px;margin-bottom:24px}
.hero h1{font-family:var(--serif);font-size:clamp(2.6rem,6.5vw,4.8rem);font-weight:700;line-height:1.2;margin-bottom:24px;letter-spacing:5px;background:linear-gradient(180deg,#ffffff 0%,#f3e3c0 45%,#d9a05f 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none}
.hero h1 em{font-style:normal;background:linear-gradient(180deg,#fbe9a8 0%,#e8c876 55%,#c0784b 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.05rem;color:rgba(255,255,255,.7);max-width:560px;line-height:1.9;margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:6px;font-size:15px;font-weight:700;transition:all .25s;border:none;cursor:pointer}
.btn-gold{background:var(--accent);color:#fff}
.btn-gold:hover{background:#a8663d;transform:translateY(-2px);box-shadow:0 10px 26px rgba(192,120,75,.4)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.6)}
.hero-stats{display:flex;gap:44px;margin-top:48px;flex-wrap:wrap}
.hero-stats .hs b{display:block;font-family:var(--serif);font-size:1.7rem;color:var(--accent2)}
.hero-stats .hs span{font-size:13px;color:rgba(255,255,255,.6)}
@media(max-width:768px){.hero{min-height:auto}.hero h1{font-size:2.1rem;letter-spacing:2px}.hero-stats{gap:26px}}

/* ===== SECTION 通用 ===== */
.sec{padding:90px 0}
.sec-hd{text-align:center;margin-bottom:56px}
.sec-hd .tag{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--accent);margin-bottom:14px;text-transform:uppercase}
.sec-hd h2{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;color:var(--ink);margin-bottom:12px;letter-spacing:1px}
.sec-hd p{font-size:.98rem;color:var(--ink3);max-width:620px;margin:0 auto}

/* ===== SERVICES 服务项目 ===== */
.svcs{background:var(--card)}
.svcs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:34px 22px;text-align:center;transition:all .3s}
.svc:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(43,37,34,.08);border-color:var(--accent2)}
.svc .s-icon{width:60px;height:60px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#a8663d);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem}
.svc h4{font-family:var(--serif);font-size:1.05rem;font-weight:700;color:var(--ink);margin-bottom:6px}
.svc p{font-size:13px;color:var(--ink3);line-height:1.6}
@media(max-width:900px){.svcs-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.svcs-grid{grid-template-columns:1fr}}

/* ===== WHY 优势 ===== */
.why{background:var(--ink);color:#fff}
.why .sec-hd h2{color:#fff}.why .sec-hd p{color:rgba(255,255,255,.5)}.why .sec-hd .tag{color:var(--accent2)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.why-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:36px 28px;text-align:center;transition:all .3s}
.why-card:hover{background:rgba(255,255,255,.07);border-color:rgba(232,200,118,.3)}
.why-card .w-icon{font-size:2.1rem;color:var(--accent2);margin-bottom:16px}
.why-card h4{font-family:var(--serif);font-size:1.05rem;color:#fff;margin-bottom:8px}
.why-card p{font-size:14px;color:rgba(255,255,255,.5);line-height:1.7}
@media(max-width:768px){.why-grid{grid-template-columns:1fr}}

/* ===== ABOUT ===== */
.about{background:var(--card)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-img img{border-radius:14px;box-shadow:0 20px 50px rgba(43,37,34,.15)}
.about-body h3{font-family:var(--serif);font-size:1.7rem;font-weight:700;color:var(--ink);margin-bottom:18px}
.about-body p{font-size:.98rem;color:var(--ink3);line-height:2;margin-bottom:14px}
.about-feats{list-style:none;margin-top:20px}
.about-feats li{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:.95rem;color:var(--ink2)}
.about-feats li::before{content:'◆';color:var(--accent);font-size:.7rem}
@media(max-width:860px){.about-grid{grid-template-columns:1fr;gap:32px}}

/* ===== CASES 案例 ===== */
.cases{background:var(--bg)}
.cases-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.case-card{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:4/3;cursor:pointer}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover img{transform:scale(1.08)}
.case-card .cc-label{position:absolute;left:0;right:0;bottom:0;padding:30px 18px 16px;background:linear-gradient(transparent,rgba(43,37,34,.85));color:#fff;font-family:var(--serif);font-size:1.02rem;font-weight:700}
@media(max-width:900px){.cases-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== 整装服务 ===== */
.whole{background:linear-gradient(160deg,var(--ink),#3d322c);color:#fff}
.whole .sec-hd h2{color:#fff}.whole .sec-hd .tag{color:var(--accent2)}
.whole-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.whole-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:34px 24px;text-align:center;transition:all .3s}
.whole-card:hover{background:rgba(255,255,255,.07);transform:translateY(-4px)}
.whole-card .wc-icon{font-size:2.2rem;color:var(--accent2);margin-bottom:14px}
.whole-card h4{font-family:var(--serif);font-size:1.08rem;color:#fff;margin-bottom:8px}
.whole-card p{font-size:13px;color:rgba(255,255,255,.5);line-height:1.7}
@media(max-width:900px){.whole-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.whole-grid{grid-template-columns:1fr}}

/* ===== PROCESS 流程 ===== */
.process{background:var(--card)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.p-step{text-align:center;padding:30px 18px;position:relative}
.p-step .p-num{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--bg);border:2px solid var(--accent2);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:1.3rem;font-weight:700;color:var(--accent)}
.p-step h4{font-family:var(--serif);font-size:1.02rem;color:var(--ink);margin-bottom:6px}
.p-step p{font-size:13px;color:var(--ink3);line-height:1.6}
@media(max-width:768px){.process-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== AREAS 服务区域 ===== */
.areas{background:var(--bg)}
.areas-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.area-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:28px 16px;text-align:center;transition:all .3s}
.area-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(43,37,34,.08);border-color:var(--accent2)}
.area-card b{display:block;font-family:var(--serif);font-size:1.12rem;color:var(--ink);margin-bottom:4px}
.area-card span{font-size:12px;color:var(--ink3)}
@media(max-width:768px){.areas-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== FAQ ===== */
.faq{background:var(--card)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:22px 26px;margin-bottom:14px}
.faq-item .fq{font-family:var(--sans);font-size:1.02rem;font-weight:700;color:var(--ink);margin-bottom:8px;display:flex;gap:10px;align-items:flex-start}
.faq-item .fq::before{content:'问';flex-shrink:0;width:26px;height:26px;border-radius:6px;background:var(--accent);color:#fff;font-size:.8rem;display:flex;align-items:center;justify-content:center;font-family:var(--sans)}
.faq-item .fa{font-family:var(--sans);font-size:.95rem;color:var(--ink3);line-height:1.8;padding-left:36px}

/* ===== CTA ===== */
.cta{background:linear-gradient(135deg,var(--accent),#a8663d);color:#fff;text-align:center;padding:80px 0}
.cta h2{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;margin-bottom:14px;letter-spacing:1px}
.cta p{font-size:1.02rem;color:rgba(255,255,255,.85);max-width:720px;margin:0 auto 30px}
@media(min-width:768px){.cta p{white-space:nowrap}}
.cta .btn{background:#fff;color:var(--ink);padding:15px 40px;font-size:16px}
.cta .btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.2)}
.cta .tel-note{margin-top:18px;font-size:.95rem;color:rgba(255,255,255,.8)}

/* ===== FOOTER ===== */
.ft{background:var(--ink);color:rgba(255,255,255,.5);padding:60px 0 26px;font-size:14px}
.ft-grid{display:grid;grid-template-columns:1.3fr 0.9fr 1.3fr auto;gap:44px;margin-bottom:36px}
.ft-grid b{font-family:var(--serif);font-size:1.02rem;color:#fff;display:block;margin-bottom:14px}
.ft-grid p,.ft-grid li{line-height:2;list-style:none}
.ft-grid a{color:rgba(255,255,255,.5)}
.ft-grid a:hover{color:var(--accent2)}
.ft-tel{font-size:1.15rem;font-weight:700;color:#fff!important}
.ft-qr{text-align:center}
.ft-qr img{width:110px;height:110px;border-radius:10px;border:3px solid rgba(232,200,118,.35);margin:0 auto 10px;display:block}
.ft-qr span{font-size:12px;color:rgba(255,255,255,.55)}
@media(max-width:900px){.ft-grid{grid-template-columns:1fr 1fr}}
.ft-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;font-size:12px}
.ft-bot a{color:rgba(255,255,255,.5)}