/* ============================================================
   上海默冉 SHANGHAI MORAN — 官网样式
   主题：文化 × 科技 · 墨色 + 宣纸米 + 印章红 + 暖金
   ============================================================ */

:root{
  --ink:        #0A0F0D;   /* 墨色底 */
  --ink-2:      #101713;   /* 次级底 */
  --ink-3:      #161E1A;   /* 卡片底 */
  --cream:      #EDE6D6;   /* 宣纸米 */
  --cream-dim:  rgba(237,230,214,.62);
  --cream-faint:rgba(237,230,214,.38);
  --gold:       #C9A25A;   /* 暖金 */
  --gold-soft:  rgba(201,162,90,.16);
  --jade:       #3E8E74;   /* 青玉 */
  --seal:       #A63A2B;   /* 印章红 */
  --line:       rgba(237,230,214,.14);
  --serif:      "Noto Serif SC","Songti SC","SimSun",serif;
  --sans:       "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --nav-h:      76px;
  --ease:       cubic-bezier(.22,.8,.28,1);
}

/* ---------- Reset / 基础 ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--ink);
  color:var(--cream);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; }
::selection{ background:var(--seal); color:var(--cream); }

.container{
  width:min(1320px,92vw);
  margin-inline:auto;
}

/* 章节通用 */
.section{ position:relative; padding:clamp(84px,10vw,150px) 0; }
.section-head{ margin-bottom:clamp(48px,6vw,84px); }
.section-label{
  display:inline-flex; align-items:center; gap:12px;
  font-size:13px; letter-spacing:.42em; text-transform:uppercase;
  color:var(--cream-faint); font-weight:500;
}
.section-label .dot{
  width:8px; height:8px; border-radius:50%;
  background:var(--seal); box-shadow:0 0 0 4px rgba(166,58,43,.18);
  flex:none;
}
.section-title{
  margin-top:22px;
  font-family:var(--serif); font-weight:900;
  font-size:clamp(2.1rem,4.6vw,3.6rem);
  line-height:1.25; letter-spacing:.02em;
}
.section-lead{
  margin-top:18px; max-width:46ch;
  color:var(--cream-dim); font-size:clamp(1rem,1.3vw,1.15rem);
  font-weight:300;
}

/* ==================== 导航 ==================== */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .45s var(--ease),box-shadow .45s var(--ease);
}
.nav.scrolled{
  background:rgba(10,15,13,.82);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);
}
.nav-inner{
  height:var(--nav-h);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand-seal{
  width:44px; height:44px; flex:none;
  display:grid; place-items:center;
  background:var(--seal); border-radius:6px;
  font-family:var(--serif); font-weight:700; font-size:24px; color:var(--cream);
  box-shadow:inset 0 0 0 2px rgba(237,230,214,.28);
}
.brand-text{
  font-family:var(--serif); font-weight:700; font-size:19px; letter-spacing:.06em;
  display:flex; flex-direction:column; line-height:1.15;
}
.brand-text small{
  font-family:var(--sans); font-weight:400; font-size:10px;
  letter-spacing:.3em; color:var(--cream-faint);
}
.nav-links{ display:flex; gap:clamp(18px,2.6vw,38px); }
.nav-links a{
  position:relative; font-size:15px; letter-spacing:.12em; color:var(--cream-dim);
  padding:8px 2px; transition:color .3s;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:1px;
  background:var(--gold); transition:width .35s var(--ease);
}
.nav-links a:hover{ color:var(--cream); }
.nav-links a:hover::after{ width:100%; }
.nav-tel{
  font-size:15px; letter-spacing:.1em; color:var(--gold); font-weight:500;
  white-space:nowrap;
}
.nav-toggle{
  display:none; width:46px; height:46px; border:1px solid var(--line);
  background:transparent; border-radius:6px; cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center; gap:6px;
}
.nav-toggle span{ width:20px; height:1.5px; background:var(--cream); transition:.3s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(3.75px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ transform:translateY(-3.75px) rotate(-45deg); }

.mobile-menu{
  display:none; flex-direction:column;
  background:rgba(10,15,13,.97);
  border-top:1px solid var(--line);
  padding:8px 4vw 20px;
}
.mobile-menu a{
  padding:14px 0; font-size:17px; letter-spacing:.14em;
  border-bottom:1px solid var(--line); color:var(--cream);
}
.mobile-menu.open{ display:flex; }

/* ==================== Hero ==================== */
.hero{
  position:relative; min-height:100svh;
  display:flex; align-items:flex-end;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; z-index:-2;
  background:url("../images/web/p31_1044x941.jpg") center 30%/cover no-repeat;
  animation:heroZoom 14s var(--ease) forwards;
}
@keyframes heroZoom{
  from{ transform:scale(1.06); }
  to  { transform:scale(1); }
}
.hero-veil{
  position:absolute; inset:0; z-index:-1;
  background:
    linear-gradient(180deg, rgba(10,15,13,.55) 0%, rgba(10,15,13,.28) 42%, rgba(10,15,13,.96) 100%),
    linear-gradient(90deg, rgba(10,15,13,.62) 0%, rgba(10,15,13,.12) 55%, rgba(10,15,13,.35) 100%);
}
.hero-inner{
  position:relative; z-index:1;
  padding-bottom:clamp(70px,10vh,120px);
}
.hero-kicker{
  font-size:13px; letter-spacing:.5em; color:var(--gold);
  margin-bottom:26px; text-transform:uppercase;
}
.hero-title{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(3.2rem,9vw,7.2rem);
  line-height:1.12; letter-spacing:.03em;
  text-shadow:0 4px 40px rgba(0,0,0,.4);
}
.hero-title-sub{
  display:block;
  background:linear-gradient(100deg, var(--cream) 20%, var(--gold) 70%);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}
.hero-en{
  margin-top:18px; font-size:clamp(1rem,1.6vw,1.35rem);
  letter-spacing:.34em; text-transform:uppercase; color:var(--cream-dim);
}
.hero-desc{
  margin-top:22px; font-size:clamp(1rem,1.5vw,1.2rem);
  color:var(--cream); line-height:2;
}
.hero-cta{ margin-top:38px; display:flex; gap:16px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:50px; padding:0 34px;
  font-size:15px; letter-spacing:.18em; border-radius:4px;
  transition:all .35s var(--ease);
}
.btn-solid{
  background:var(--seal); color:var(--cream);
  box-shadow:0 10px 30px rgba(166,58,43,.35);
}
.btn-solid:hover{ background:#bd4636; transform:translateY(-2px); }
.btn-ghost{
  border:1px solid var(--cream-dim); color:var(--cream);
}
.btn-ghost:hover{ border-color:var(--gold); color:var(--gold); transform:translateY(-2px); }

.hero-scroll{
  position:absolute; right:clamp(20px,5vw,70px); bottom:40px;
  width:1px; height:74px; background:var(--line);
}
.hero-scroll i{
  position:absolute; top:0; left:-1px; width:3px; height:22px;
  background:var(--gold); animation:scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{ transform:translateY(0); opacity:0; }
  30%{ opacity:1; }
  100%{ transform:translateY(52px); opacity:0; }
}
.hero-watermark{
  position:absolute; right:-2vw; top:14vh; z-index:0;
  font-family:var(--serif); font-weight:900;
  font-size:clamp(10rem,24vw,22rem); line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(237,230,214,.10);
  pointer-events:none; user-select:none;
}

/* ==================== 跑马灯 ==================== */
.marquee{
  border-block:1px solid var(--line);
  overflow:hidden; background:var(--ink-2);
  padding:20px 0;
}
.marquee-track{
  display:flex; gap:0; width:max-content;
  animation:marquee 36s linear infinite;
}
.marquee-track span{
  font-family:var(--serif); font-weight:600;
  font-size:clamp(1.4rem,2.4vw,2rem); letter-spacing:.2em;
  color:var(--cream-faint); white-space:nowrap;
  padding-right:3.2em;
}
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* ==================== 关于 ==================== */
.about{ background:var(--ink); }
.about-grid{
  display:grid; grid-template-columns:1.1fr 1fr; gap:clamp(40px,7vw,110px);
  align-items:start;
}
.about-statement{ position:relative; }
.about-seal{
  position:absolute; top:-14px; left:-10px; z-index:0;
  width:92px; height:92px; display:grid; place-items:center;
  border:2px solid rgba(166,58,43,.5); border-radius:10px;
  font-family:var(--serif); font-weight:700; font-size:52px; color:var(--seal);
  opacity:.35; transform:rotate(-8deg);
  pointer-events:none;
}
.about-statement h2{
  position:relative; z-index:1;
  font-family:var(--serif); font-weight:900;
  font-size:clamp(2.3rem,4.6vw,3.8rem); line-height:1.3;
}
.about-sub{
  margin-top:16px; letter-spacing:.4em; text-transform:uppercase;
  color:var(--gold); font-size:13px;
}
.about-body p{
  color:var(--cream-dim); font-size:clamp(1.02rem,1.35vw,1.16rem);
  line-height:2.05; margin-bottom:18px;
}
.about-body strong{ color:var(--cream); font-weight:600; }
.about-tags{ display:flex; gap:14px; flex-wrap:wrap; margin-top:28px; }
.about-tags a{
  padding:10px 20px; border:1px solid var(--line); border-radius:999px;
  font-size:14px; letter-spacing:.08em; color:var(--cream-dim);
  transition:all .3s;
}
.about-tags a:hover{ border-color:var(--gold); color:var(--gold); }

/* ==================== 标语横幅 ==================== */
.banner{
  position:relative; min-height:clamp(340px,52vh,560px);
  display:flex; align-items:center; overflow:hidden;
}
.banner-bg{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; filter:saturate(.85) brightness(.6);
}
.banner-veil{
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(10,15,13,.85) 0%, rgba(10,15,13,.35) 60%, rgba(10,15,13,.72) 100%);
}
.banner-inner{
  position:relative; z-index:1;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.banner-inner h2{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(1.9rem,4.4vw,3.4rem); line-height:1.4; text-align:center;
}
.banner-no{
  font-family:var(--serif); font-weight:900; font-size:clamp(2.6rem,7vw,5.6rem);
  color:transparent; -webkit-text-stroke:1px rgba(237,230,214,.34);
  white-space:nowrap; line-height:1;
}
.banner-no.right{ -webkit-text-stroke:1px rgba(201,162,90,.4); }

/* ==================== 业务 ==================== */
.services{ background:var(--ink); }
.service-row{
  display:grid; grid-template-columns:1fr 1.15fr; gap:clamp(36px,6vw,90px);
  align-items:center; margin-bottom:clamp(70px,9vw,130px);
}
.service-row:last-child{ margin-bottom:0; }
.service-row.flip .service-text{ order:2; }
.service-row.flip .service-media{ order:1; }
.service-no{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(3.4rem,6.5vw,5.6rem); line-height:1;
  color:transparent; -webkit-text-stroke:1.5px var(--gold);
}
.service-text h3{
  margin-top:20px; font-family:var(--serif); font-weight:900;
  font-size:clamp(2rem,3.6vw,2.9rem); letter-spacing:.05em;
}
.service-text p{
  margin-top:16px; color:var(--cream-dim);
  font-size:clamp(1rem,1.3vw,1.12rem); line-height:2; max-width:44ch;
}
.service-tags{ display:flex; gap:10px; flex-wrap:wrap; margin-top:22px; }
.service-tags li{
  font-size:13px; letter-spacing:.1em; color:var(--jade);
  border:1px solid rgba(62,142,116,.4); border-radius:999px;
  padding:7px 16px;
}
.service-media{
  position:relative; overflow:hidden; border-radius:6px;
  box-shadow:0 30px 80px rgba(0,0,0,.45);
}
.service-media img{
  width:100%; height:clamp(320px,46vw,560px); object-fit:cover;
  transition:transform 1.1s var(--ease);
}
.service-row:hover .service-media img{ transform:scale(1.045); }

/* ==================== 案例 ==================== */
.works{ background:var(--ink-2); }
.case{
  padding:clamp(64px,8vw,120px) 0;
  border-top:1px solid var(--line);
  position:relative;
}
.case:last-of-type{ border-bottom:1px solid var(--line); }
.case-head{
  display:grid; grid-template-columns:auto 1fr; gap:clamp(20px,4vw,60px);
  position:relative;
}
.case-head .case-desc{
  grid-column:2; max-width:62ch; margin-top:6px;
  color:var(--cream-dim); font-size:clamp(.98rem,1.25vw,1.1rem); line-height:2.05;
}
.case-no{
  grid-row:1 / span 2;
  font-family:var(--serif); font-weight:900;
  font-size:clamp(4rem,9vw,7.5rem); line-height:.9;
  color:transparent; -webkit-text-stroke:1px rgba(201,162,90,.5);
  position:relative;
}
.case-no::after{
  content:""; position:absolute; left:6px; top:6px; right:-6px; bottom:-6px;
  border:1px solid rgba(166,58,43,.35); border-radius:4px;
  z-index:-1;
}
.case-title h3{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(1.8rem,3.4vw,2.8rem); line-height:1.28; letter-spacing:.03em;
  transition:color .4s;
}
.case-meta{
  margin-top:12px; font-size:14px; letter-spacing:.16em;
  color:var(--gold); text-transform:uppercase;
}
.case-media{
  margin-top:clamp(34px,5vw,60px);
  display:grid; gap:clamp(14px,2vw,26px);
  grid-template-columns:1fr;
}
.case-media.two{ grid-template-columns:1.15fr 1fr; }
.case-media figure, .case-media img{ border-radius:6px; }
.case-media img{
  width:100%; height:clamp(300px,42vw,560px); object-fit:cover;
  transition:transform 1.2s var(--ease);
}
.case-media img:hover{ transform:scale(1.03); }
.case-media.two img:nth-child(2){ align-self:center; height:clamp(260px,36vw,480px); }

/* ==================== 智慧文旅 ==================== */
.smart{
  background:var(--ink);
}
.smart-bg{
  position:absolute; inset:0; z-index:0; opacity:.12; pointer-events:none;
  background:url("../images/web/p30_1139x991.jpg") center/cover no-repeat fixed;
}
.smart .container{ position:relative; z-index:1; }
.smart-layers{
  display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(18px,3vw,40px);
  margin-bottom:clamp(56px,7vw,90px);
}
.layer{
  border:1px solid var(--line); border-radius:8px; padding:clamp(26px,3vw,42px);
  background:linear-gradient(160deg, rgba(22,30,26,.92), rgba(16,23,19,.6));
  transition:transform .45s var(--ease), border-color .45s;
  position:relative; overflow:hidden;
}
.layer::before{
  content:""; position:absolute; inset:0 0 auto 0; height:2px;
  background:linear-gradient(90deg, var(--jade), transparent);
}
.layer:hover{ transform:translateY(-6px); border-color:rgba(62,142,116,.5); }
.layer-no{
  font-family:var(--serif); font-weight:900; font-size:1.1rem;
  color:var(--jade); letter-spacing:.2em;
}
.layer h3{
  margin-top:14px; font-family:var(--serif); font-weight:700;
  font-size:clamp(1.5rem,2.4vw,2rem); letter-spacing:.08em;
}
.layer p{ margin-top:10px; color:var(--cream-dim); font-size:15px; letter-spacing:.06em; }
.smart-scenes{
  display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(18px,3vw,40px);
}
.scene{
  padding:clamp(24px,3vw,38px) 0; border-top:1px solid var(--line);
  position:relative;
}
.scene h4{
  font-family:var(--serif); font-weight:700; font-size:clamp(1.4rem,2.2vw,1.8rem);
  letter-spacing:.2em;
}
.scene p{ margin-top:12px; color:var(--cream-dim); font-size:15px; line-height:1.9; }

/* ==================== 流程 ==================== */
.process{ background:var(--ink-2); }
.process-grid{
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:clamp(18px,2.4vw,32px);
}
.process-grid li{
  border:1px solid var(--line); border-radius:8px; padding:clamp(26px,3.2vw,44px);
  background:var(--ink-3);
  transition:transform .45s var(--ease), border-color .45s;
  counter-increment:step;
}
.process-grid li:hover{ transform:translateY(-6px); border-color:rgba(201,162,90,.5); }
.step-no{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(2.2rem,4vw,3.2rem); color:transparent;
  -webkit-text-stroke:1px var(--gold); line-height:1;
}
.process-grid h3{
  margin-top:16px; font-family:var(--serif); font-weight:700;
  font-size:clamp(1.2rem,1.9vw,1.5rem); letter-spacing:.1em;
}
.process-grid p{ margin-top:8px; color:var(--cream-dim); font-size:14.5px; }

/* ==================== 荣誉 ==================== */
.honor{ background:var(--ink); }
.honor-grid{
  display:grid; grid-template-columns:1.25fr 1fr; gap:clamp(40px,7vw,100px);
  align-items:center;
}
.honor-text .section-title{ margin-top:34px; }
.honor-award{
  margin-top:34px; font-family:var(--serif); font-weight:700;
  font-size:clamp(1.4rem,2.6vw,2rem); line-height:1.65; color:var(--cream);
}
.honor-level{
  margin-top:18px;
  font-family:var(--serif); font-weight:900;
  font-size:clamp(2.6rem,5.4vw,4.4rem); line-height:1;
  background:linear-gradient(100deg, var(--gold), #E8D09A);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}
.honor-project{
  margin-top:22px; font-size:15px; letter-spacing:.08em; color:var(--gold);
}
.honor-units{
  margin-top:26px; padding-top:24px; border-top:1px solid var(--line);
  color:var(--cream-faint); font-size:14px; line-height:2.1; letter-spacing:.06em;
}
.honor-media{
  position:relative;
}
.honor-media::before{
  content:""; position:absolute; inset:-14px -14px auto auto; width:70%; height:70%;
  border:1px solid rgba(201,162,90,.35); border-radius:6px; z-index:0;
}
.honor-media img{
  position:relative; z-index:1;
  width:min(100%,420px); margin-inline:auto;
  height:clamp(420px,52vw,620px); object-fit:cover; object-position:top;
  border-radius:6px;
  box-shadow:0 40px 100px rgba(0,0,0,.5);
}

/* ==================== 联系 ==================== */
.contact{
  background:
    radial-gradient(120% 90% at 50% 110%, rgba(62,142,116,.16) 0%, transparent 55%),
    var(--ink-2);
  text-align:center; overflow:hidden;
}
.contact-seal{
  position:absolute; left:50%; top:-40px; transform:translateX(-50%);
  width:clamp(240px,34vw,430px); height:clamp(240px,34vw,430px);
  border:2px solid rgba(166,58,43,.22); border-radius:18px;
  display:grid; place-items:center;
  font-family:var(--serif); font-weight:900;
  font-size:clamp(140px,20vw,260px); color:rgba(166,58,43,.16);
  pointer-events:none; user-select:none;
}
.contact-inner{ position:relative; z-index:1; }
.contact-kicker{
  font-size:13px; letter-spacing:.5em; color:var(--gold);
  text-transform:uppercase;
}
.contact-title{
  margin-top:26px;
  font-family:var(--serif); font-weight:900;
  font-size:clamp(2.4rem,6vw,4.6rem); line-height:1.3;
}
.contact-en{
  margin-top:14px; letter-spacing:.4em; text-transform:uppercase;
  color:var(--cream-faint); font-size:14px;
}
.contact-card{
  margin:clamp(44px,6vw,70px) auto 0;
  max-width:720px;
  border:1px solid var(--line); border-radius:10px;
  background:rgba(16,23,19,.7);
  padding:clamp(30px,4vw,52px);
  display:flex; flex-direction:column; gap:26px; align-items:center;
}
.contact-item span{
  display:block; font-size:12px; letter-spacing:.4em;
  color:var(--cream-faint); text-transform:uppercase; margin-bottom:8px;
}
.contact-phone{
  font-family:var(--serif); font-weight:700;
  font-size:clamp(1.5rem,3vw,2.2rem); letter-spacing:.06em; color:var(--gold);
  transition:color .3s;
}
.contact-phone:hover{ color:var(--cream); }
.contact-item p{ color:var(--cream-dim); font-size:15px; letter-spacing:.06em; }
.contact-card .btn{ margin-top:8px; }

/* ==================== 页脚 ==================== */
.footer{
  border-top:1px solid var(--line);
  padding:34px 0;
}
.footer-inner{
  display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap;
  color:var(--cream-faint); font-size:13px; letter-spacing:.08em;
}

/* ==================== 滚动显现动画 ==================== */
.reveal{ opacity:0; transform:translateY(34px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal-delay-1{ transition-delay:.08s; }
.reveal-delay-2{ transition-delay:.16s; }
.reveal-delay-3{ transition-delay:.24s; }

/* 动效减弱 */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
}

/* ==================== 响应式 ==================== */
@media (max-width:1024px){
  .about-grid{ grid-template-columns:1fr; gap:44px; }
  .service-row{ grid-template-columns:1fr; }
  .service-row.flip .service-text{ order:0; }
  .service-row.flip .service-media{ order:0; }
  .service-media img{ height:clamp(300px,60vw,460px); }
  .smart-layers, .smart-scenes{ grid-template-columns:1fr; }
  .process-grid{ grid-template-columns:1fr 1fr; }
  .honor-grid{ grid-template-columns:1fr; }
  .case-head{ grid-template-columns:auto 1fr; }
}

@media (max-width:760px){
  :root{ --nav-h:64px; }
  .nav-links, .nav-tel{ display:none; }
  .nav-toggle{ display:flex; }
  .banner-inner{ flex-direction:column; gap:14px; }
  .banner-inner h2{ order:2; }
  .banner-no{ font-size:clamp(2rem,10vw,3rem); }
  .case-media.two{ grid-template-columns:1fr; }
  .case-head{ grid-template-columns:1fr; }
  .case-head .case-desc{ grid-column:1; }
  .case-no{ grid-row:auto; }
  .process-grid{ grid-template-columns:1fr; }
  .footer-inner{ flex-direction:column; text-align:center; }
  .hero-watermark{ display:none; }
  .hero-inner{ padding-bottom:90px; }
}