/* =============================================================
   拓野网络 themesanyar.com —— 全站共享样式 base.css
   侘寂残缺风 · 麻灰 / 土黄 / 浅棕 · 统一导航 / 统一页脚
   每个页面在此基础上叠加独立的 <page>.css 实现独特骨架
   ============================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --paper:#F3EFE7;          /* 暖纸白背景 */
  --paper-deep:#EAE3D6;     /* 次级背景 */
  --paper-dark:#DFD6C4;     /* 更深背景层 */
  --ink:#37332B;            /* 主文字 */
  --ink-soft:#6D665A;       /* 次级文字 */
  --ink-faint:#9A9284;      /* 弱文字 */

  --ash:#A79E92;            /* 麻灰 */
  --ash-deep:#82796C;
  --ash-dark:#5F594F;

  --earth:#AE8749;          /* 土黄 */
  --earth-deep:#8E6B36;
  --earth-light:#C9A869;

  --brown:#8F745A;          /* 浅棕 */
  --brown-light:#B39A7C;
  --brown-pale:#C8B69D;

  --dark:#2A2620;           /* 深底（页脚/深色区） */
  --dark-soft:#3A352C;
  --line:rgba(55,51,43,.14);
  --line-strong:rgba(55,51,43,.26);

  --radius:2px;             /* 侘寂感：小圆角 */
  --font-serif:"Songti SC","STSong","SimSun","Noto Serif SC",Georgia,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",sans-serif;

  --header-h:74px;
  --topbar-h:40px;
  --shadow:0 10px 34px rgba(42,38,32,.12);
  --shadow-soft:0 4px 16px rgba(42,38,32,.08);
}

/* ---------- 2. 重置与基础 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--paper);
  font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .3s ease}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:700;line-height:1.35;color:var(--ink)}
em{font-style:normal}
::selection{background:var(--earth);color:#fff}

.container{width:min(1180px,92vw);margin:0 auto}
.section{padding:88px 0;position:relative}
.section--tight{padding:64px 0}
.section--dark{background:var(--dark);color:#D8D2C6}
.section--dark h1,.section--dark h2,.section--dark h3{color:#EFE9DC}
.section--paper{background:var(--paper-deep)}
.section--pale{background:var(--paper-dark)}

/* ---------- 3. 排版工具 ---------- */
.section-head{max-width:720px;margin-bottom:46px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.32em;color:var(--earth-deep);
  text-transform:uppercase;margin-bottom:14px;
}
.section-tag::before{content:"";width:26px;height:1px;background:var(--earth)}
.section-head--center .section-tag::after{content:"";width:26px;height:1px;background:var(--earth)}
.section-title{font-size:clamp(26px,3.4vw,38px);letter-spacing:.04em}
.section-desc{color:var(--ink-soft);margin-top:14px;font-size:15px;max-width:640px}
.section-head--center .section-desc{margin-left:auto;margin-right:auto}
.lead{font-size:17px;color:var(--ink-soft);line-height:1.9}
.muted{color:var(--ink-faint)}
strong.acc{color:var(--earth-deep)}

/* 标题装饰线（侘寂·残缺） */
.title-rule{position:relative;padding-left:0}
.title-rule::after{
  content:"";display:block;width:64px;height:3px;margin-top:16px;
  background:linear-gradient(90deg,var(--earth) 0 62%,var(--paper) 62% 78%,var(--brown) 78%);
}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;font-size:14.5px;letter-spacing:.08em;
  border:1px solid transparent;border-radius:var(--radius);
  transition:all .32s ease;line-height:1;position:relative;overflow:hidden;
}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--earth);color:#FBF7EF}
.btn-primary:hover{background:var(--earth-deep);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
.btn-outline{border-color:var(--line-strong);color:var(--ink)}
.btn-outline:hover{border-color:var(--earth);color:var(--earth-deep);background:rgba(174,135,73,.06)}
.btn-light{background:var(--paper);color:var(--ink)}
.btn-light:hover{background:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#EDE7DA}
.btn-dark:hover{background:var(--dark-soft);transform:translateY(-2px)}
.btn-lg{padding:16px 38px;font-size:15.5px}
.btn-sm{padding:9px 18px;font-size:13px}
.btn-block{width:100%}

/* 链接箭头 */
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--earth-deep);font-size:14px;letter-spacing:.05em;
  font-weight:600;
}
.link-more svg{width:15px;height:15px;transition:transform .3s ease}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- 5. 顶栏（联系方式常驻，最显眼） ---------- */
.topbar{
  background:var(--dark);color:#DCD5C8;font-size:13px;
  transition:margin-top .38s ease,max-height .38s ease;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:var(--topbar-h);padding:6px 0;
}
.topbar-note{letter-spacing:.14em;color:#B8B0A1;font-size:12.5px}
.topbar-note b{color:var(--earth-light);font-weight:600}
.topbar-links{display:flex;align-items:center;gap:4px}
.topbar-links a{
  display:inline-flex;align-items:center;gap:7px;
  padding:4px 12px;border-radius:var(--radius);
  transition:background .3s ease,color .3s ease;
}
.topbar-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.topbar-links svg{width:13px;height:13px;fill:var(--earth-light)}

/* ---------- 6. 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:990;
  background:rgba(243,239,231,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .4s ease,border-color .4s ease,box-shadow .4s ease;
}
.site-header.scrolled{
  background:rgba(246,243,235,.97);
  border-bottom-color:var(--line);
  box-shadow:0 6px 26px rgba(42,38,32,.08);
}
.site-header.scrolled .topbar{margin-top:calc(var(--topbar-h) * -1);max-height:0;overflow:hidden}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-img{width:46px;height:46px;border-radius:var(--radius);object-fit:cover;filter:saturate(.86)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-family:var(--font-serif);font-size:19px;letter-spacing:.14em;color:var(--ink)}
.logo-text em{font-size:10.5px;letter-spacing:.2em;color:var(--ink-faint);text-transform:lowercase}

.main-nav{display:flex;align-items:center;gap:6px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list>li{position:relative}
.nav-link{
  display:flex;align-items:center;gap:5px;
  padding:10px 14px;font-size:14.5px;letter-spacing:.06em;color:var(--ink);
  border-radius:var(--radius);position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--earth);transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.nav-link:hover::after,.nav-list>li.active>.nav-link::after{transform:scaleX(1)}
.nav-link:hover{color:var(--earth-deep)}
.nav-caret{width:9px;height:9px;transition:transform .3s ease}
.dropdown:hover>.nav-caret,.dropdown.open>.nav-caret{transform:rotate(180deg)}

/* 下拉菜单 */
.dropdown-menu{
  position:absolute;top:calc(100% + 6px);left:0;min-width:220px;
  background:var(--paper);border:1px solid var(--line);
  box-shadow:var(--shadow);border-radius:var(--radius);
  padding:10px;display:grid;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s ease;z-index:100;
}
.dropdown:hover>.dropdown-menu,.dropdown.open>.dropdown-menu{opacity:1;visibility:visible;transform:none}
.dropdown-menu.wide{min-width:420px;grid-template-columns:repeat(2,1fr)}
.dropdown-menu a{
  display:flex;align-items:center;gap:8px;padding:9px 12px;
  font-size:13.5px;color:var(--ink-soft);border-radius:var(--radius);
  transition:all .25s ease;
}
.dropdown-menu a::before{content:"";width:5px;height:5px;background:var(--brown-light);flex:none;transition:all .25s ease}
.dropdown-menu a:hover{background:var(--paper-deep);color:var(--earth-deep);padding-left:16px}
.dropdown-menu a:hover::before{background:var(--earth)}

.nav-cta{margin-left:14px}

/* 汉堡按钮 */
.hamburger{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{width:22px;height:2px;background:var(--ink);transition:all .32s ease}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 7. 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9B1A2;margin-top:0}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr 1.4fr;gap:36px;padding:64px 0 44px}
.footer-col h4{
  color:#EDE7DA;font-size:15.5px;letter-spacing:.18em;margin-bottom:20px;
  padding-bottom:10px;position:relative;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--earth)}
.footer-about .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about .footer-brand img{width:40px;height:40px;border-radius:var(--radius)}
.footer-about .footer-brand b{font-family:var(--font-serif);font-size:17px;color:#EDE7DA;letter-spacing:.14em}
.footer-about p{font-size:13.5px;line-height:1.9;color:#A49C8C}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#B9B1A2;display:inline-flex;align-items:center;gap:7px;transition:all .25s ease}
.footer-links a::before{content:"";width:4px;height:4px;background:var(--brown-light);flex:none}
.footer-links a:hover{color:var(--earth-light);padding-left:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;margin-bottom:12px;color:#C9C1B2}
.footer-contact svg{width:14px;height:14px;fill:var(--earth-light);margin-top:4px;flex:none}
.footer-contact a{color:#C9C1B2;border-bottom:1px dashed rgba(201,193,178,.35)}
.footer-contact a:hover{color:var(--earth-light);border-bottom-color:var(--earth)}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:10px;
  font-size:12.5px;letter-spacing:.1em;color:#A49C8C;
  border:1px solid rgba(201,193,178,.2);padding:6px 12px;border-radius:var(--radius);
}
.footer-bottom{
  border-top:1px solid rgba(201,193,178,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8F8677;
}
.footer-bottom-links{display:flex;gap:18px}
.footer-bottom-links a:hover{color:var(--earth-light)}
.icp{color:#8F8677;font-size:12.5px;display:inline-block;margin-top:6px}

/* ---------- 8. 悬浮联系方式 ---------- */
.float-widget{position:fixed;right:18px;bottom:120px;z-index:980;display:flex;flex-direction:column;gap:8px}
.float-item{
  display:flex;align-items:center;gap:0;width:46px;height:46px;
  background:var(--dark);color:#EDE7DA;border-radius:50%;
  justify-content:center;position:relative;
  box-shadow:var(--shadow-soft);transition:all .3s ease;
}
.float-item svg{width:19px;height:19px;fill:var(--earth-light)}
.float-item:hover{background:var(--earth);width:132px;border-radius:23px;color:#fff;gap:9px;padding:0 14px;justify-content:flex-start}
.float-item:hover svg{fill:#fff}
.float-item .float-label{
  font-size:12.5px;letter-spacing:.06em;white-space:nowrap;
  opacity:0;transition:opacity .25s ease;
}
.float-item:hover .float-label{opacity:1}
.float-top{display:none}

/* 移动端底部快捷联系条 */
.mobile-contact-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:985;
  background:var(--dark);border-top:1px solid rgba(201,193,178,.15);
  grid-template-columns:repeat(3,1fr);
}
.mobile-contact-bar a{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 0;font-size:13px;color:#EDE7DA;letter-spacing:.05em;
  border-right:1px solid rgba(201,193,178,.12);
}
.mobile-contact-bar a:last-child{border-right:none}
.mobile-contact-bar svg{width:16px;height:16px;fill:var(--earth-light)}
.mobile-contact-bar a.call{background:var(--earth);color:#fff}
.mobile-contact-bar a.call svg{fill:#fff}

/* ---------- 9. 滚动渐入动画 ---------- */
.js [data-animate]{opacity:0;transition:opacity .7s ease,transform .7s cubic-bezier(.22,.61,.36,1)}
.js [data-animate="up"]{transform:translateY(34px)}
.js [data-animate="left"]{transform:translateX(-34px)}
.js [data-animate="right"]{transform:translateX(34px)}
.js [data-animate="zoom"]{transform:scale(.92)}
.js [data-animate].in-view{opacity:1;transform:none}
.is-reduced [data-animate]{opacity:1;transform:none;transition:none}

/* 首屏文字逐行动画 */
.hero-anim span{display:block;overflow:hidden}
.hero-anim span i{
  display:block;font-style:normal;transform:translateY(112%);
  animation:heroLine .9s cubic-bezier(.22,.61,.36,1) forwards;
}
.hero-anim span:nth-child(2) i{animation-delay:.12s}
.hero-anim span:nth-child(3) i{animation-delay:.24s}
.hero-anim span:nth-child(4) i{animation-delay:.36s}
@keyframes heroLine{to{transform:none}}

/* 悬浮微动画 */
.hover-lift{transition:transform .35s ease,box-shadow .35s ease}
.hover-lift:hover{transform:translateY(-6px);box-shadow:var(--shadow)}

/* 呼吸光点 */
@keyframes breath{0%,100%{opacity:.5}50%{opacity:1}}
.breath{animation:breath 3.2s ease-in-out infinite}

/* ---------- 10. 通用组件 ---------- */
.badge{
  display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--earth-deep);
  border:1px solid rgba(174,135,73,.4);background:rgba(174,135,73,.08);
  padding:4px 12px;border-radius:20px;
}
.badge--ash{color:var(--ash-dark);border-color:rgba(130,121,108,.4);background:rgba(130,121,108,.1)}
.badge--pale{color:var(--brown);border-color:rgba(143,116,90,.4);background:rgba(143,116,90,.1)}
.num{font-family:var(--font-serif);font-size:42px;line-height:1;color:var(--earth-deep);font-weight:700}
.num small{font-size:14px;color:var(--ink-faint);margin-left:2px;font-family:var(--font-sans)}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-faint)}
.breadcrumb a:hover{color:var(--earth-deep)}
.breadcrumb .sep{color:var(--ink-faint)}

/* 手风琴 */
.accordion-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);margin-bottom:12px;overflow:hidden}
.accordion-head{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:17px 22px;cursor:pointer;font-family:var(--font-serif);
  font-size:15.5px;font-weight:700;color:var(--ink);transition:color .25s ease;
}
.accordion-head:hover{color:var(--earth-deep)}
.accordion-head svg{width:15px;height:15px;flex:none;transition:transform .3s ease;fill:var(--earth)}
.accordion-item.open .accordion-head svg{transform:rotate(45deg)}
.accordion-body{max-height:0;overflow:hidden;transition:max-height .45s ease}
.accordion-body-inner{padding:0 22px 20px;font-size:14px;color:var(--ink-soft);line-height:1.9}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:13px;letter-spacing:.08em;color:var(--ink-soft)}
.form-field input,.form-field textarea,.form-field select{
  border:1px solid var(--line-strong);background:#FBF8F1;border-radius:var(--radius);
  padding:12px 14px;color:var(--ink);outline:none;transition:border-color .3s ease,box-shadow .3s ease;
}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  border-color:var(--earth);box-shadow:0 0 0 3px rgba(174,135,73,.14);
}
.form-field textarea{min-height:120px;resize:vertical}
.form-tip{font-size:12px;color:var(--ink-faint)}

/* 分页（news.html 要求删除分页，保留样式备用） */
.pagination{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:40px}
.pagination a,.pagination span{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius);font-size:14px;color:var(--ink-soft);
  transition:all .25s ease;
}
.pagination a:hover{border-color:var(--earth);color:var(--earth-deep)}
.pagination .cur{background:var(--earth);color:#fff;border-color:var(--earth)}

/* 标签 */
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;color:var(--ink-soft);border:1px solid var(--line);padding:4px 11px;border-radius:20px;transition:all .25s ease}
.tag:hover{color:var(--earth-deep);border-color:var(--earth)}

/* 引用块 */
.quote-block{border-left:3px solid var(--earth);padding:18px 24px;background:var(--paper-deep);font-family:var(--font-serif);font-size:16.5px;color:var(--ink);line-height:1.9}

/* ---------- 11. 响应式（共享骨架） ---------- */
@media (max-width:1180px){
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:991px){
  :root{--header-h:64px}
  .topbar-note{display:none}
  .hamburger{display:flex}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
    flex-direction:column;align-items:stretch;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:all .36s ease;padding:14px 6vw 24px;
  }
  .site-header.nav-open .main-nav{transform:none;opacity:1;visibility:visible}
  .nav-list{flex-direction:column;align-items:stretch;width:100%}
  .nav-link{justify-content:space-between;padding:13px 6px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-caret{transform:rotate(90deg)}
  .dropdown-menu{
    position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;min-width:0;padding:0 0 6px 14px;
    display:none;
  }
  .dropdown.open>.dropdown-menu{display:grid}
  .dropdown-menu.wide{grid-template-columns:1fr}
  .nav-cta{margin:16px 0 6px;width:100%}
  .float-widget{display:none}
  .mobile-contact-bar{display:grid}
  .section{padding:64px 0}
}
@media (max-width:720px){
  .footer-main{grid-template-columns:1fr 1fr;gap:26px;padding:48px 0 36px}
  .footer-about{grid-column:1 / -1}
  .footer-bottom{justify-content:center;text-align:center}
  .form-grid{grid-template-columns:1fr}
  .section-title{font-size:24px}
}
@media (max-width:560px){
  .footer-main{grid-template-columns:1fr}
  .topbar-links a span{display:none}
  .topbar-links a{padding:4px 8px}
  .hero-anim span i{animation:none;transform:none}
}

/* 减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ---------- 8. 轻提示 toast（占位入口点击反馈，全站通用） ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,16px);
  background:var(--dark);color:var(--paper);
  font-size:14px;line-height:1.6;padding:12px 22px;border-radius:var(--radius);
  box-shadow:0 14px 40px rgba(42,38,32,.32);z-index:9999;
  opacity:0;visibility:hidden;transition:opacity .32s ease,transform .32s ease,visibility .32s;
  max-width:min(88vw,520px);text-align:center;pointer-events:none;
}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}
.toast b{color:var(--earth-light);font-weight:600}
@media (max-width:560px){
  .toast{bottom:76px;width:88vw;font-size:13px}
}