/* ===================================================================
   创醒设计 · 官网 Demo
   编辑部风格：暖白底 / 宋体大标题 / 非对称网格 / 陶土强调
   =================================================================== */

:root{
  --paper:#F6F3EE;
  --ink:#1D1A16;
  --ink-2:#6E675E;
  --terra:#B56232;
  --sand:#E8E2D8;
  --olive:#7A7A5C;
  --line:#D8D1C5;
  --dark:#1D1A16;
  --dark-soft:#26221D;
  --serif:"Songti SC","Noto Serif CJK SC","STSong","Source Han Serif SC",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
  --pad:clamp(20px,5vw,80px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
em{font-style:normal;color:var(--terra)}
[hidden]{display:none!important}

/* ---------- 通用排版元件 ---------- */
.kicker{
  display:inline-block;
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--ink-2);
  font-weight:600;
}
.kicker--light{color:#a99e8e}
.section-head{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.section-title{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(26px,4vw,44px);
  line-height:1.2;
  letter-spacing:.01em;
  margin-top:16px;
}
.section-note{color:var(--ink-2);font-size:14px;margin-top:12px}
.eyebrow{
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-2);font-weight:600;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--sans);font-size:14px;font-weight:600;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease),background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
  letter-spacing:.02em;
}
.btn--cta{background:var(--terra);color:#fff}
.btn--cta:hover{transform:translateY(-2px);background:#a1552a}
.btn--line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--line:hover{transform:translateY(-2px);background:var(--ink);color:var(--paper)}
.btn--full{width:100%;padding:16px}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ===================================================================
   导航
   =================================================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:18px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav__brand{display:flex;align-items:baseline;gap:10px}
.nav__wordmark{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.06em}
.nav__en{font-size:10px;letter-spacing:.2em;color:var(--ink-2)}
.nav__links{display:flex;gap:30px}
.nav__links a{
  font-size:14.5px;color:var(--ink);position:relative;padding:4px 0;
  transition:color .3s var(--ease);
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--terra);transition:width .3s var(--ease);
}
.nav__links a:hover,.nav__links a.active{color:var(--terra)}
.nav__links a:hover::after,.nav__links a.active::after{width:100%}
.nav__cta{padding:9px 20px;font-size:13px}
.nav--solid{background:rgba(246,243,238,.92);backdrop-filter:blur(10px);border-color:var(--line)}

/* 汉堡 */
.nav__burger{
  display:none;flex-direction:column;gap:5px;background:none;border:none;
  cursor:pointer;padding:6px;
}
.nav__burger span{width:24px;height:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav__mobile{
  display:flex;flex-direction:column;background:var(--paper);
  border-top:1px solid var(--line);padding:8px var(--pad) 24px;
}
.nav__mobile a{padding:14px 0;font-size:16px;border-bottom:1px solid var(--line)}
.nav__mobile-cta{color:var(--terra);font-weight:600;border-bottom:none!important}

/* ===================================================================
   Hero
   =================================================================== */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:center;
  padding:120px var(--pad) 80px;overflow:hidden;
}
.hero__watermark{
  position:absolute;right:-2%;bottom:-6%;
  font-family:var(--serif);font-weight:700;
  font-size:clamp(200px,34vw,460px);line-height:.8;
  color:var(--sand);opacity:.5;z-index:0;user-select:none;pointer-events:none;
  letter-spacing:-.02em;
}
.hero__grid{
  position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero__title{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(48px,8.5vw,104px);line-height:1.02;letter-spacing:.01em;
  margin:22px 0 26px;
}
.hero__sub{font-size:clamp(15px,2vw,19px);color:var(--ink);font-weight:500}
.hero__tags{color:var(--ink-2);font-size:15px;margin-top:6px;letter-spacing:.02em}
.hero__actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero__art{position:relative}
.hero__svg{width:100%;height:auto;filter:drop-shadow(0 24px 40px rgba(29,26,22,.08))}
.hero__scroll{
  position:absolute;left:var(--pad);bottom:34px;z-index:2;
  display:flex;align-items:center;gap:12px;
  font-size:11px;letter-spacing:.24em;color:var(--ink-2);
}
.hero__scroll-line{width:48px;height:1px;background:var(--ink-2);position:relative;overflow:hidden}
.hero__scroll-line::after{
  content:"";position:absolute;left:0;top:0;width:16px;height:1px;background:var(--terra);
  animation:scrollLine 2.2s var(--ease) infinite;
}
@keyframes scrollLine{0%{transform:translateX(-16px)}100%{transform:translateX(48px)}}

/* ===================================================================
   理念
   =================================================================== */
.idea{padding:clamp(80px,12vh,140px) 0}
.idea__lead{
  max-width:var(--maxw);margin:34px auto 0;padding:0 var(--pad);
}
.idea__lead p{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(22px,3.4vw,38px);line-height:1.42;max-width:20ch;
}
.idea__lead-sub{
  font-family:var(--sans)!important;font-weight:400!important;
  font-size:clamp(15px,1.8vw,18px)!important;color:var(--ink-2);
  margin-top:22px!important;max-width:34ch!important;line-height:1.7!important;
}
.idea__facts{
  max-width:var(--maxw);margin:64px auto 0;padding:0 var(--pad);
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.fact{background:var(--paper);padding:38px 30px 34px}
.fact__no{
  font-family:var(--serif);font-size:44px;color:var(--sand);font-weight:700;
  display:block;line-height:1;margin-bottom:16px;
}
.fact h3{font-size:18px;font-weight:600;margin-bottom:10px}
.fact p{font-size:14.5px;color:var(--ink-2)}

/* ===================================================================
   服务
   =================================================================== */
.services{padding:clamp(60px,9vh,110px) 0}
.services__grid{
  max-width:var(--maxw);margin:52px auto 0;padding:0 var(--pad);
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.svc{
  border:1px solid var(--line);padding:38px 32px 40px;background:var(--paper);
  transition:transform .4s var(--ease),border-color .4s var(--ease);
  position:relative;
}
.svc:hover{transform:translateY(-4px);border-color:var(--ink)}
.svc--accent{background:linear-gradient(180deg,#F1EBDF 0%,var(--paper) 60%)}
.svc__icon{width:52px;height:52px;color:var(--ink);margin-bottom:22px}
.svc__icon svg{width:100%;height:100%}
.svc__name{font-family:var(--serif);font-size:26px;font-weight:700;margin-bottom:12px}
.svc__lead{font-size:15px;color:var(--ink);margin-bottom:20px;min-height:3em}
.svc__list li{
  font-size:14px;color:var(--ink-2);padding:9px 0 9px 18px;position:relative;
  border-top:1px solid var(--line);
}
.svc__list li::before{content:"";position:absolute;left:0;top:17px;width:7px;height:1px;background:var(--terra)}
.svc__list li:first-child{border-top:none}

/* ===================================================================
   案例
   =================================================================== */
.works{padding:clamp(60px,9vh,110px) 0}
.works__filter{
  max-width:var(--maxw);margin:34px auto 0;padding:0 var(--pad);
  display:flex;flex-wrap:wrap;gap:10px;
}
.chip{
  font-family:var(--sans);font-size:13px;padding:8px 18px;border:1px solid var(--line);
  background:transparent;color:var(--ink-2);cursor:pointer;
  transition:all .3s var(--ease);letter-spacing:.02em;
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.works__grid{
  max-width:var(--maxw);margin:34px auto 0;padding:0 var(--pad);
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px 24px;
}
.work{position:relative;background:var(--paper);transition:transform .4s var(--ease)}
.work.is-hidden{display:none}
.work:hover{transform:translateY(-5px)}
.work__badge{
  position:absolute;top:12px;right:12px;z-index:3;
  font-size:11px;letter-spacing:.12em;color:var(--paper);background:rgba(29,26,22,.78);
  padding:3px 10px;
}
.work__art{overflow:hidden;border:1px solid var(--line);position:relative}
.work__art svg{width:100%;height:auto;transition:transform .6s var(--ease)}
.work:hover .work__art svg{transform:scale(1.04)}
.work__body{padding:18px 4px 0}
.work__meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.tag{
  font-size:12px;color:var(--olive);border:1px solid var(--olive);
  padding:2px 10px;letter-spacing:.04em;
}
.work__area{font-size:13px;color:var(--ink-2)}
.work__name{font-family:var(--serif);font-size:21px;font-weight:700;margin-bottom:8px}
.work__concept{font-size:14px;color:var(--ink-2);line-height:1.6}
.works__disclaimer{
  max-width:var(--maxw);margin:40px auto 0;padding:0 var(--pad);
  font-size:12.5px;color:var(--ink-2);text-align:center;
}

/* ===================================================================
   流程
   =================================================================== */
.process{padding:clamp(60px,9vh,110px) 0}
.process__list{
  max-width:var(--maxw);margin:52px auto 0;padding:0 var(--pad);
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.step{background:var(--paper);padding:34px 30px 40px;position:relative}
.step__no{
  font-family:var(--serif);font-size:40px;font-weight:700;color:var(--sand);
  display:block;line-height:1;margin-bottom:14px;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px}
.step h3::before{
  content:"";display:inline-block;width:14px;height:1px;background:var(--terra);
  vertical-align:middle;margin-right:8px;
}
.step p{font-size:14px;color:var(--ink-2)}

/* ===================================================================
   主理人（深底反白）
   =================================================================== */
.founder{background:var(--dark);color:var(--paper);padding:clamp(70px,10vh,120px) 0}
.section-head--light .kicker{color:#a99e8e}
.founder__intro{
  max-width:var(--maxw);margin:40px auto 0;padding:0 var(--pad);
  display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:center;
}
.founder__portrait svg{width:100%;height:auto;border:1px solid #3a342c}
.founder__label{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--terra);font-weight:600}
.founder__name{
  font-family:var(--serif);font-weight:700;font-size:clamp(24px,3.2vw,36px);
  line-height:1.35;margin:16px 0 26px;
}
.founder__text p{color:#cfc7ba;font-size:15.5px;margin-bottom:16px;max-width:52ch}
.founder__quote{
  font-family:var(--serif);font-size:clamp(17px,2.2vw,22px);color:var(--paper);
  border-left:2px solid var(--terra);padding-left:20px;margin-top:28px;line-height:1.6;
}

/* 视频号 */
.channel{
  max-width:var(--maxw);margin:clamp(60px,9vh,100px) auto 0;padding:0 var(--pad);
  border-top:1px solid #33302a;padding-top:clamp(50px,7vh,80px);
}
.channel__title{
  font-family:var(--serif);font-weight:700;font-size:clamp(24px,3.2vw,36px);
  margin:14px 0 12px;
}
.channel__sub{color:#cfc7ba;font-size:15px;max-width:44ch}
.channel__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:44px 0 0;
  max-width:760px;
}
.vcard{transition:transform .4s var(--ease)}
.vcard:hover{transform:translateY(-5px)}
.vcard__cover{position:relative;border-radius:16px;overflow:hidden;border:1px solid #3a342c}
.vcard__cover svg{width:100%;height:auto}
.vcard__play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(246,243,238,.92);transition:transform .4s var(--ease),color .3s var(--ease);
}
.vcard__play svg{width:46px;height:46px}
.vcard:hover .vcard__play{transform:scale(1.12);color:var(--terra)}
.vcard__dur{
  position:absolute;bottom:10px;right:10px;font-size:11px;color:#fff;
  background:rgba(0,0,0,.5);padding:2px 8px;border-radius:4px;letter-spacing:.04em;
}
.vcard__title{font-size:13.5px;color:#cfc7ba;margin-top:12px;line-height:1.5}
.channel__qr{
  display:flex;align-items:center;gap:22px;margin-top:44px;
  padding:22px;border:1px solid #33302a;width:max-content;max-width:100%;
}
.qr{width:104px;height:104px;flex-shrink:0;background:var(--paper);padding:6px;border-radius:4px}
.qr svg{width:100%;height:100%}
.qr__note{font-size:14px;color:#cfc7ba;line-height:1.7}
.qr__note span{color:var(--paper);font-weight:600}
.qr__note small{font-size:11px;color:#8a8072}

/* ===================================================================
   联系
   =================================================================== */
.contact{padding:clamp(70px,10vh,120px) 0}
.contact__grid{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
}
.contact__title{
  font-family:var(--serif);font-weight:700;font-size:clamp(34px,5vw,60px);
  line-height:1.08;margin:20px 0 22px;
}
.contact__lead{font-size:15.5px;color:var(--ink-2);max-width:40ch;line-height:1.7}
.contact__info{margin-top:34px;border-top:1px solid var(--line)}
.contact__info li{
  display:flex;gap:18px;padding:15px 0;border-bottom:1px solid var(--line);
  font-size:14.5px;flex-wrap:wrap;
}
.contact__k{width:72px;flex-shrink:0;color:var(--ink-2);font-size:13px;letter-spacing:.04em}
.contact__v{color:var(--ink)}
.contact__v.placeholder{color:var(--olive)}
.contact__form{background:#fff;border:1px solid var(--line);padding:36px 32px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;letter-spacing:.02em}
.field input,.field select{
  width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);
  padding:12px 14px;border:1px solid var(--line);background:var(--paper);
  transition:border-color .3s var(--ease);
}
.field input:focus,.field select:focus{outline:none;border-color:var(--terra)}
.form__hint{font-size:13px;color:var(--olive);margin-top:14px;min-height:1.2em;text-align:center}
.form__hint.show{color:var(--terra)}

/* ===================================================================
   页脚
   =================================================================== */
.footer{background:var(--dark-soft);color:#b8afa1;padding:clamp(56px,8vh,84px) 0 40px}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  display:grid;grid-template-columns:1.4fr 1fr .8fr;gap:40px;
}
.footer__wordmark{font-family:var(--serif);font-weight:700;font-size:26px;color:var(--paper);letter-spacing:.06em;display:block}
.footer__en{font-size:10px;letter-spacing:.22em;color:#7d7466;display:block;margin-top:6px}
.footer__slogan{font-family:var(--serif);font-size:17px;color:#cfc7ba;margin-top:18px}
.footer__biz p{font-size:13px;line-height:1.9}
.footer__nav{display:flex;flex-direction:column;gap:10px}
.footer__nav a{font-size:14px;transition:color .3s var(--ease)}
.footer__nav a:hover{color:var(--terra)}
.footer__note{
  max-width:var(--maxw);margin:44px auto 0;padding:22px var(--pad) 0;
  border-top:1px solid #33302a;font-size:12px;color:#7d7466;
}

/* ===================================================================
   响应式
   =================================================================== */
@media(max-width:960px){
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__art{max-width:420px;order:-1}
  .idea__facts,.services__grid,.process__list{grid-template-columns:1fr 1fr}
  .works__grid{grid-template-columns:1fr 1fr}
  .founder__intro{grid-template-columns:1fr;gap:36px}
  .founder__portrait{max-width:280px}
  .channel__grid{grid-template-columns:repeat(3,1fr);max-width:100%}
  .contact__grid{grid-template-columns:1fr;gap:40px}
  .footer__inner{grid-template-columns:1fr 1fr}
}

@media(max-width:768px){
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
}

@media(max-width:560px){
  body{font-size:15px}
  .idea__facts,.services__grid,.process__list,.works__grid{grid-template-columns:1fr}
  .hero{padding-top:104px}
  .hero__title{font-size:clamp(46px,15vw,72px)}
  .hero__actions .btn{flex:1}
  .channel__grid{gap:14px}
  .vcard__title{font-size:12px}
  .channel__qr{flex-direction:column;text-align:center;align-items:center;width:100%}
  .footer__inner{grid-template-columns:1fr;gap:32px}
  .fact,.step,.svc{padding-left:24px;padding-right:24px}
  .contact__form{padding:28px 22px}
}

@media(max-width:380px){
  .channel__grid{grid-template-columns:1fr 1fr}
  .channel__grid .vcard:last-child{grid-column:1/-1;max-width:50%}
}