/* ============================================================
   三明特种作业与特种设备报考服务中心
   基础层：设计变量 / 重置 / 银河粒子 / 导航 / 页脚 / 通用组件
   风格：窗帘复古 —— 焦糖棕 + 墨绿 + 米白，黄铜细线，褶皱与票据肌理
   页面级版式分别写在 css/fam-*.css 与 css/page-*.css，本文件只放共用件
   ============================================================ */

/* ---------- 01 设计变量 ---------- */
:root{
  --cream:#F6EFE2;          /* 米白主底 */
  --cream-2:#EFE4D1;        /* 米黄衬底 */
  --paper:#FBF7EE;          /* 纸张 */
  --paper-2:#F4EAD8;
  --green:#1B3128;          /* 墨绿深 */
  --green-2:#244336;        /* 墨绿中 */
  --green-3:#315B49;        /* 墨绿浅 */
  --caramel:#A9612C;        /* 焦糖棕 */
  --caramel-2:#7C3F16;      /* 深焦糖 */
  --caramel-3:#C98A4E;      /* 焦糖浅 */
  --brass:#C79A52;          /* 黄铜 */
  --brass-2:#E2C58C;
  --ink:#222A24;            /* 正文墨色 */
  --ink-2:#55605A;
  --ink-3:#8A9187;
  --line:#E3D7C1;           /* 纸面分割线 */
  --line-2:#D2C3A8;
  --white:#FFFFFF;
  --acc:var(--caramel);     /* 页面强调色，由 page-*.css 覆盖 */
  --acc-deep:var(--caramel-2);
  --shadow-s:0 6px 18px rgba(90,60,30,.07);
  --shadow-m:0 18px 44px rgba(80,55,30,.10);
  --shadow-l:0 34px 84px rgba(60,40,20,.16);
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-xl:34px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  --serif:"Songti SC","Noto Serif CJK SC","STSong","SimSun",Georgia,"Times New Roman",serif;
  --wrap:1200px;
  --header-h:76px;
  --topbar-h:38px;
}

/* ---------- 02 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 74px)}
body{
  font-family:var(--sans);
  font-size:16px;line-height:1.85;letter-spacing:.015em;
  color:var(--ink);
  background-color:var(--cream);
  background-image:
    repeating-linear-gradient(90deg,rgba(160,130,90,.035) 0 1px,transparent 1px 92px),
    linear-gradient(180deg,#F8F2E7 0%,#F4ECDE 100%);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .28s ease,opacity .28s ease}
ul,ol{list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:600;line-height:1.3;letter-spacing:.01em;color:var(--ink)}
h1{font-size:clamp(31px,4.4vw,54px);line-height:1.2}
h2{font-size:clamp(24px,3vw,38px);line-height:1.3}
h3{font-size:clamp(18px,1.9vw,24px)}
h4{font-size:16.5px;font-family:var(--sans);font-weight:600;line-height:1.5}
p{color:var(--ink-2)}
::selection{background:rgba(201,138,78,.32);color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--caramel);outline-offset:3px}

/* ---------- 03 银河粒子层 ---------- */
.galaxy{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.galaxy .nebula{
  position:absolute;border-radius:50%;filter:blur(46px);opacity:.5;
  animation:nebulaDrift 26s ease-in-out infinite alternate;
}
.galaxy .n1{width:52vw;height:52vw;left:-14vw;top:-12vw;background:radial-gradient(circle,rgba(201,138,78,.30),transparent 66%)}
.galaxy .n2{width:46vw;height:46vw;right:-12vw;top:16vh;background:radial-gradient(circle,rgba(36,67,54,.24),transparent 68%);animation-delay:-9s}
.galaxy .n3{width:60vw;height:60vw;left:20vw;bottom:-30vw;background:radial-gradient(circle,rgba(199,154,82,.20),transparent 70%);animation-delay:-16s}
.galaxy .stars,.galaxy .stars-2{position:absolute;inset:-20%;background-repeat:repeat;opacity:.55}
.galaxy .stars{
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%,rgba(124,63,22,.55),transparent 60%),
    radial-gradient(1px 1px at 28% 62%,rgba(49,91,73,.55),transparent 60%),
    radial-gradient(1.2px 1.2px at 44% 28%,rgba(169,97,44,.45),transparent 60%),
    radial-gradient(1px 1px at 62% 74%,rgba(90,70,40,.45),transparent 60%),
    radial-gradient(1.6px 1.6px at 78% 36%,rgba(124,63,22,.38),transparent 60%),
    radial-gradient(1px 1px at 88% 66%,rgba(36,67,54,.45),transparent 60%),
    radial-gradient(1.2px 1.2px at 8% 86%,rgba(169,97,44,.32),transparent 60%),
    radial-gradient(1px 1px at 52% 8%,rgba(124,63,22,.35),transparent 60%);
  background-size:420px 420px;
  animation:starFlow 56s linear infinite;
}
.galaxy .stars-2{
  background-image:
    radial-gradient(1px 1px at 20% 40%,rgba(199,154,82,.55),transparent 60%),
    radial-gradient(1.4px 1.4px at 70% 12%,rgba(124,63,22,.30),transparent 60%),
    radial-gradient(1px 1px at 86% 82%,rgba(49,91,73,.45),transparent 60%),
    radial-gradient(1.2px 1.2px at 36% 90%,rgba(169,97,44,.34),transparent 60%);
  background-size:620px 620px;
  animation:starFlow 88s linear infinite reverse;
}
@keyframes starFlow{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(-120px,-160px,0)}
}
@keyframes nebulaDrift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(3vw,2vh,0) scale(1.08)}
}
/* 页面内深色区块的粒子星空 */
.starfield{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.starfield::before,.starfield::after{
  content:"";position:absolute;inset:-30%;background-repeat:repeat;
  background-image:
    radial-gradient(1.4px 1.4px at 15% 25%,rgba(244,234,216,.55),transparent 60%),
    radial-gradient(1px 1px at 38% 68%,rgba(226,197,140,.45),transparent 60%),
    radial-gradient(1.2px 1.2px at 58% 18%,rgba(244,234,216,.38),transparent 60%),
    radial-gradient(1px 1px at 74% 58%,rgba(226,197,140,.50),transparent 60%),
    radial-gradient(1.6px 1.6px at 92% 32%,rgba(244,234,216,.32),transparent 60%);
  background-size:380px 380px;opacity:.7;
  animation:starFlow 64s linear infinite;
}
.starfield::after{background-size:560px 560px;animation-duration:96s;animation-direction:reverse;opacity:.5}
/* 悬浮粒子（HTML 内静态 i 元素，CSS 驱动漂移） */
.motes{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.motes i{
  position:absolute;width:5px;height:5px;border-radius:50%;
  background:rgba(226,197,140,.7);box-shadow:0 0 10px rgba(226,197,140,.55);
  animation:moteFloat 18s ease-in-out infinite;
}
.motes i:nth-child(1){left:8%;top:26%;animation-delay:-2s}
.motes i:nth-child(2){left:17%;top:64%;width:3px;height:3px;animation-delay:-7s}
.motes i:nth-child(3){left:28%;top:18%;animation-delay:-11s}
.motes i:nth-child(4){left:39%;top:78%;width:4px;height:4px;animation-delay:-4s}
.motes i:nth-child(5){left:52%;top:34%;animation-delay:-14s}
.motes i:nth-child(6){left:63%;top:70%;width:3px;height:3px;animation-delay:-9s}
.motes i:nth-child(7){left:74%;top:22%;animation-delay:-6s}
.motes i:nth-child(8){left:86%;top:58%;width:4px;height:4px;animation-delay:-12s}
.motes i:nth-child(9){left:94%;top:38%;animation-delay:-16s}
.motes i:nth-child(10){left:46%;top:10%;width:3px;height:3px;animation-delay:-19s}
@keyframes moteFloat{
  0%,100%{transform:translate3d(0,0,0);opacity:.35}
  50%{transform:translate3d(16px,-30px,0);opacity:.95}
}

/* ---------- 04 布局基元 ---------- */
.container{width:min(var(--wrap),90%);margin-inline:auto}
.container-wide{width:min(1380px,94%);margin-inline:auto}
.container-slim{width:min(900px,88%);margin-inline:auto}
.section{position:relative;padding:clamp(64px,7vw,112px) 0}
.section-tight{padding:clamp(40px,4.4vw,66px) 0}
.bg-cream{background:var(--cream)}
.bg-cream-2{background:var(--cream-2)}
.bg-paper{background:var(--paper)}
.bg-green{background:var(--green);color:var(--cream)}
.bg-green h2,.bg-green h3,.bg-green h4{color:#F6EEDD}
.bg-green p{color:rgba(246,238,221,.72)}
.bg-caramel{background:var(--caramel);color:#FFF6E7}
.bg-caramel h2,.bg-caramel h3,.bg-caramel p{color:#FFF6E7}
.grid{display:grid;gap:26px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2-1{grid-template-columns:1.15fr .85fr}
.g-1-2{grid-template-columns:.82fr 1.18fr}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.stack-8{display:grid;gap:8px}
.stack-14{display:grid;gap:14px}
.stack-22{display:grid;gap:22px}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-34{margin-top:34px}.mt-48{margin-top:48px}
.center{text-align:center}
.mx-auto{margin-inline:auto}

/* 窗帘褶皱色带 */
.curtain-band{
  position:relative;overflow:hidden;
  background-image:
    repeating-linear-gradient(90deg,
      rgba(27,49,40,.92) 0 26px,
      rgba(39,70,57,.92) 26px 38px,
      rgba(22,41,33,.94) 38px 64px,
      rgba(45,80,65,.9) 64px 74px);
}
.curtain-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,18,14,.46),rgba(10,18,14,.18) 45%,rgba(10,18,14,.62));
}
.paper-fold{
  background:
    linear-gradient(135deg,rgba(255,255,255,.6),transparent 42%),
    var(--paper);
  box-shadow:inset 0 0 0 1px rgba(199,154,82,.28);
}
.ticket-corner{
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);
}

/* ---------- 05 文字排印 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:11px;
  font-size:12px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--acc-deep);font-weight:600;font-family:var(--sans);
}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--brass);box-shadow:0 2px 0 rgba(199,154,82,.4)}
.eyebrow.no-bar::before{display:none}
.sec-head{margin-bottom:clamp(28px,3.4vw,48px);position:relative}
.sec-head h2{margin-top:14px}
.sec-head .lead{margin-top:16px;max-width:64ch;font-size:16px;color:var(--ink-2)}
.sec-head.center{text-align:center}
.sec-head.center .lead{margin-inline:auto}
.sec-head.center .eyebrow{justify-content:center}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap}
.serif{font-family:var(--serif)}
.mono{font-family:var(--serif);letter-spacing:.14em;font-size:12.5px;color:var(--acc-deep)}
.acc{color:var(--acc-deep)}
.brass-rule{height:1px;background:linear-gradient(90deg,var(--brass),rgba(199,154,82,0));border:0}
.rule{height:1px;background:var(--line);border:0;margin:30px 0}
.mark{color:var(--acc-deep);font-weight:600}
.hl{
  background-image:linear-gradient(180deg,transparent 62%,rgba(201,138,78,.28) 62%);
  background-repeat:no-repeat;padding:0 2px;
}
.quote{font-family:var(--serif);font-size:clamp(20px,2.4vw,28px);line-height:1.7;color:var(--ink)}
.quote::before{content:"“";font-size:1.4em;color:var(--brass);line-height:0;vertical-align:-.2em;margin-right:4px}

/* ---------- 06 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:2px;
  font-size:14.5px;font-weight:600;letter-spacing:.06em;
  border:1px solid transparent;position:relative;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease,color .3s ease,border-color .3s ease;
}
.btn svg{width:15px;height:15px;flex:none}
.btn-primary{background:var(--caramel);color:#FFF7E9;box-shadow:0 10px 24px rgba(124,63,22,.22)}
.btn-primary:hover{background:var(--caramel-2);color:#fff;transform:translateY(-3px);box-shadow:0 16px 34px rgba(124,63,22,.3)}
.btn-green{background:var(--green);color:#F6EEDD}
.btn-green:hover{background:var(--green-3);color:#fff;transform:translateY(-3px)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:var(--caramel);color:var(--acc-deep);transform:translateY(-3px)}
.btn-line{background:transparent;border-color:var(--brass);color:var(--acc-deep)}
.btn-line:hover{background:var(--caramel);border-color:var(--caramel);color:#FFF7E9}
.btn-cream{background:var(--cream);color:var(--green);border-color:rgba(255,255,255,.2)}
.btn-cream:hover{background:#fff;color:var(--green);transform:translateY(-3px)}
.btn-sm{padding:10px 20px;font-size:13px}
.btn-block{width:100%}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}
.btn .arw{transition:transform .3s}
.btn:hover .arw{transform:translateX(4px)}

/* ---------- 07 顶部联系条 ---------- */
.topbar{position:relative;z-index:130;background:var(--green);color:#EFE4D1;font-size:12.5px}
.topbar{background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 2px,transparent 2px 26px)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:var(--topbar-h);padding:6px 0}
.topbar-note{display:flex;align-items:center;gap:9px;margin:0;color:rgba(239,228,209,.78);font-size:12.5px;letter-spacing:.04em;white-space:nowrap}
.topbar-note::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brass);box-shadow:0 0 0 3px rgba(199,154,82,.22)}
.topbar-contact{display:flex;align-items:center;gap:22px}
.topbar-contact a,.topbar-contact span{display:inline-flex;align-items:center;gap:7px;color:rgba(239,228,209,.88);white-space:nowrap}
.topbar-contact a:hover{color:var(--brass-2)}
.topbar-contact svg{width:13px;height:13px;stroke:var(--brass-2);fill:none;stroke-width:1.6}
.topbar-contact .tb-strong{color:#fff;font-weight:600;letter-spacing:.05em}

/* ---------- 08 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,247,238,.9);
  backdrop-filter:saturate(150%) blur(12px);-webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .35s,box-shadow .35s;
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:1px;background:rgba(199,154,82,.42)}
.site-header.is-solid{background:rgba(251,247,238,.98);box-shadow:0 12px 30px rgba(70,50,25,.1)}
.header-in{display:flex;align-items:center;gap:20px;min-height:var(--header-h);transition:min-height .35s ease;position:relative}
.site-header.is-solid .header-in{min-height:68px}
.brand{display:flex;align-items:center;flex:none}
.brand img{width:172px;height:47px;object-fit:contain}
.brand-txt{display:none}

.main-nav{margin-left:auto}
.main-nav>ul{display:flex;align-items:center;gap:2px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{
  position:relative;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  padding:12px 13px;font-size:14.5px;font-weight:500;color:var(--ink);letter-spacing:.03em;
}
.main-nav>ul>li>a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:5px;height:1px;
  background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform .32s ease;
}
.main-nav>ul>li>a:hover::after,.main-nav>ul>li.is-active>a::after{transform:scaleX(1)}
.main-nav>ul>li>a:hover,.main-nav>ul>li.is-active>a{color:var(--acc-deep)}
.main-nav .chev{width:9px;height:9px;stroke:currentColor;fill:none;stroke-width:1.6;transition:transform .3s}
.main-nav li:hover>.chev{transform:rotate(180deg)}

.drop,.mega{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,10px);
  background:var(--paper);border:1px solid var(--line-2);
  box-shadow:0 28px 64px rgba(60,40,20,.18);
  opacity:0;visibility:hidden;transition:opacity .28s ease,transform .28s ease,visibility .28s;
  z-index:12;
}
.drop{min-width:236px;padding:10px;border-radius:4px}
.mega{
  position:fixed;left:50%;width:min(1060px,calc(100vw - 60px));padding:28px 30px 30px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:26px;border-radius:4px;
}
.mega.three{grid-template-columns:1fr 1fr 1fr;width:min(900px,94vw)}
.mega.four{grid-template-columns:repeat(4,1fr);width:min(1060px,96vw);gap:22px}
.mega.four .mega-list{grid-template-columns:1fr}
.mega.four .mega-aside{grid-column:1/-1;background:var(--paper-2);color:var(--ink);padding:16px 20px;flex-direction:row;align-items:center;justify-content:space-between;gap:18px}
.mega.four .mega-aside strong{font-size:15px;color:var(--green);letter-spacing:.04em}
.mega.four .mega-aside p{font-size:12.4px;color:var(--ink-2);max-width:66ch}
.mega.four .mega-aside a{color:var(--acc-deep)}
.mega.four .mega-aside a:hover{color:var(--green)}
.mega::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:repeating-linear-gradient(90deg,var(--green) 0 22px,var(--green-2) 22px 34px,var(--caramel) 34px 40px)}
.drop::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brass)}
.drop a{display:block;padding:9px 12px;font-size:13.6px;color:var(--ink-2)}
.drop a:hover{background:rgba(201,138,78,.12);color:var(--acc-deep)}
.mega-group h5,.mega-title{
  font-family:var(--serif);font-size:14px;letter-spacing:.14em;color:var(--green);
  padding-bottom:8px;margin-bottom:10px;border-bottom:1px solid var(--line);
}
.mega-title{font-family:var(--sans);font-size:11.5px}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px}
.mega-list a{display:flex;align-items:center;gap:8px;padding:7px 8px;font-size:13.3px;color:var(--ink-2);border-radius:2px}
.mega-list a::before{content:"";width:4px;height:4px;background:var(--brass);flex:none}
.mega-list a:hover{background:rgba(201,138,78,.1);color:var(--acc-deep)}
.mega-aside{background:var(--green);color:#F6EEDD;padding:22px 24px;display:flex;flex-direction:column;gap:12px;justify-content:center}
.mega-aside strong{font-family:var(--serif);font-size:21px;line-height:1.4;color:#F6EEDD}
.mega-aside p{font-size:12.8px;color:rgba(246,238,221,.7);margin:0}
.mega-aside a{color:var(--brass-2);font-size:13px;font-weight:600;letter-spacing:.04em}
.mega-aside a:hover{color:#fff}
.mega .mega-span{grid-column:1/-1}
@media (min-width:1280px){.header-in{transform:translateZ(0)}}
.main-nav li:hover>.drop,.main-nav li:hover>.mega,.main-nav li:focus-within>.drop,.main-nav li:focus-within>.mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.main-nav>ul>li:last-child>.drop{left:auto;right:0;transform:translateY(10px)}
.main-nav>ul>li:last-child:hover>.drop,.main-nav>ul>li:last-child:focus-within>.drop{transform:translateY(0)}

.header-cta{display:flex;align-items:center;gap:12px;flex:none}
.h-phone{display:flex;align-items:center;gap:9px;padding-right:14px;border-right:1px solid var(--line)}
.h-phone .ico{width:36px;height:36px}
.h-phone .ico svg{width:17px;height:17px}
.h-phone span{display:block;font-size:10.5px;color:var(--ink-3);letter-spacing:.12em;line-height:1.4}
.h-phone strong{display:block;font-size:15.5px;letter-spacing:.04em;color:var(--ink);font-weight:600;line-height:1.3;font-family:var(--serif)}
.h-phone:hover strong{color:var(--acc-deep)}

.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-2);background:var(--paper);position:relative}
.nav-toggle span{position:absolute;left:12px;width:20px;height:2px;background:var(--green);transition:transform .3s,opacity .3s,top .3s}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ---------- 09 移动抽屉 ---------- */
.nav-mask{position:fixed;inset:0;background:rgba(27,49,40,.46);opacity:0;visibility:hidden;transition:.35s;z-index:110}
.nav-mask.is-show{opacity:1;visibility:visible}
@media (max-width:1279px){
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(251,247,238,.98)}
  .h-phone{display:none}
  .nav-toggle{display:block;z-index:130}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(400px,90vw);margin:0;
    background:var(--cream);z-index:115;padding:82px 22px 40px;overflow-y:auto;
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(10px);
    transition:opacity .34s ease,transform .34s ease,visibility .34s;
    box-shadow:-20px 0 60px rgba(60,40,20,.2);border-left:1px solid var(--line-2);
  }
  .main-nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav>ul>li>a{justify-content:space-between;padding:15px 4px;font-size:15.5px;border-bottom:1px solid var(--line)}
  .main-nav>ul>li>a::after{display:none}
  .drop,.mega,.mega.three,.mega.four{
    position:static;width:auto;transform:none;opacity:1;visibility:visible;
    box-shadow:none;border:0;background:transparent;padding:0;margin:0;
    max-height:0;overflow:hidden;transition:max-height .4s ease;display:block;
  }
  .mega::before,.drop::before{display:none}
  .main-nav li:hover>.drop,.main-nav li:hover>.mega,
  .main-nav li:focus-within>.drop,.main-nav li:focus-within>.mega{transform:none}
  .main-nav li.is-expanded>.drop,.main-nav li.is-expanded>.mega{max-height:3000px}
  .mega{padding:6px 0 10px}
  .mega.three{display:block}
  .mega-list{grid-template-columns:1fr 1fr}
  .mega-aside{display:none}
  .mega-group{margin-top:12px}
  .drop a{padding:10px 4px 10px 14px;font-size:13.5px}
  .mega-list a{font-size:13px;padding:7px 4px 7px 12px}
}
@media (max-width:600px){
  .brand img{width:142px;height:39px}
  .topbar-note{display:none}
  .topbar-in{justify-content:center}
  .topbar-contact{gap:15px;font-size:11.5px}
  .topbar-contact span{display:none}
}

/* ---------- 10 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--green);color:#EFE4D1;padding:clamp(52px,6vw,84px) 0 0}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,
    rgba(255,255,255,.035) 0 18px,rgba(0,0,0,.14) 18px 30px,transparent 30px 62px);
  pointer-events:none;opacity:.7;
}
.site-footer .starfield{opacity:.28}
.footer-cta{
  position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding-bottom:clamp(34px,4vw,52px);margin-bottom:clamp(34px,4vw,50px);
  border-bottom:1px solid rgba(239,228,209,.18);border-top:1px solid rgba(239,228,209,.12);
}
.footer-cta .fcta-txt strong{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);color:#F7EFDE;display:block;line-height:1.4}
.footer-cta .fcta-txt p{margin-top:6px;font-size:13.5px;color:rgba(239,228,209,.66)}
.footer-cta .fcta-acts{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.footer-phone{font-family:var(--serif);font-size:clamp(22px,2.4vw,30px);color:var(--brass-2);letter-spacing:.04em}
.footer-phone:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.55fr .8fr .8fr 1.25fr;gap:40px;position:relative;z-index:3}
.footer-brand img{width:172px;height:47px;object-fit:contain}
.footer-brand p{color:rgba(239,228,209,.66);font-size:13.4px;margin-top:18px;max-width:36ch}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:36px;height:36px;border:1px solid rgba(239,228,209,.24);display:grid;place-items:center;transition:.3s}
.footer-social a:hover{background:var(--caramel);border-color:var(--caramel);transform:translateY(-3px)}
.footer-social svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.6}
.footer-col h5{font-family:var(--sans);font-size:11.5px;letter-spacing:.24em;color:rgba(239,228,209,.5);font-weight:600;margin-bottom:16px}
.footer-col a,.footer-col li{display:block;font-size:13.3px;color:rgba(239,228,209,.8);padding:5px 0;transition:.28s}
.footer-col a:hover{color:var(--brass-2);transform:translateX(4px)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(239,228,209,.85);font-size:13.3px}
.footer-contact svg{width:14px;height:14px;stroke:var(--brass);fill:none;stroke-width:1.6;margin-top:6px;flex:none}
.footer-contact strong{color:#fff;font-weight:600;font-size:14px;letter-spacing:.03em}
.footer-bottom{
  margin-top:clamp(34px,4vw,54px);border-top:1px solid rgba(239,228,209,.16);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.3px;color:rgba(239,228,209,.5);position:relative;z-index:3;
}
.footer-bottom a{color:rgba(239,228,209,.68)}
.footer-bottom a:hover{color:var(--brass-2)}
.footer-bottom .f-links{display:flex;gap:18px;flex-wrap:wrap}
@media (max-width:980px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-cta{padding-bottom:28px;margin-bottom:30px}
}

/* ---------- 11 侧边浮动联系 ---------- */
.contact-rail{position:fixed;right:18px;bottom:28px;z-index:100;display:flex;flex-direction:column;gap:10px}
.contact-rail a{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--paper);box-shadow:0 10px 26px rgba(60,40,20,.18);
  border:1px solid var(--line-2);position:relative;transition:.3s;
}
.contact-rail a:hover{transform:translateY(-4px);background:var(--caramel);border-color:var(--caramel)}
.contact-rail svg{width:19px;height:19px;stroke:var(--green);fill:none;stroke-width:1.7;transition:.3s}
.contact-rail a:hover svg{stroke:#FFF7E9}
.contact-rail a::after{
  content:attr(data-tip);position:absolute;right:calc(100% + 12px);top:50%;
  transform:translateY(-50%) translateX(8px);
  background:var(--green);color:#F6EEDD;font-size:12px;padding:6px 12px;white-space:nowrap;
  opacity:0;visibility:hidden;transition:.28s;pointer-events:none;
}
.contact-rail a:hover::after{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.contact-rail .to-top svg{stroke:var(--ink-3)}
/* 移动端底部三连联系条（每页显眼） */
.mobile-bar{display:none}
@media (max-width:760px){
  .contact-rail{display:none}
  .mobile-bar{
    display:grid;grid-template-columns:1.2fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:105;
    background:var(--paper);border-top:1px solid var(--line-2);box-shadow:0 -8px 24px rgba(60,40,20,.12);
  }
  .mobile-bar a{
    display:flex;align-items:center;justify-content:center;gap:7px;padding:11px 4px;
    font-size:12.8px;color:var(--green);font-weight:600;letter-spacing:.03em;
  }
  .mobile-bar a svg{width:16px;height:16px;stroke:var(--caramel);fill:none;stroke-width:1.7}
  .mobile-bar a.is-main{background:var(--caramel);color:#FFF7E9}
  .mobile-bar a.is-main svg{stroke:#FFF7E9}
  body{padding-bottom:52px}
}

/* ---------- 12 滚动渐入 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}.reveal-d4{transition-delay:.32s}
.reveal-x{opacity:0;transform:translateX(-34px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.3,1)}
.reveal-x.is-in{opacity:1;transform:none}
.reveal-r{opacity:0;transform:translateX(34px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.3,1)}
.reveal-r.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal-x,.reveal-r{opacity:1;transform:none;transition:none}
  .galaxy .stars,.galaxy .stars-2,.galaxy .nebula,.motes i,.starfield::before,.starfield::after{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 13 通用组件 ---------- */
.ico{
  width:48px;height:48px;display:grid;place-items:center;flex:none;
  background:rgba(201,138,78,.1);border:1px solid rgba(199,154,82,.34);border-radius:2px;
}
.ico svg{width:23px;height:23px;stroke:var(--acc-deep);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ico-green{background:rgba(49,91,73,.08);border-color:rgba(49,91,73,.26)}
.ico-green svg{stroke:var(--green-2)}
.ico-solid{background:var(--green);border-color:var(--green)}
.ico-solid svg{stroke:var(--brass-2)}
.ico-round{border-radius:50%}

.card{
  background:var(--paper);border:1px solid var(--line);padding:30px;
  box-shadow:var(--shadow-s);position:relative;
  transition:transform .4s cubic-bezier(.2,.7,.3,1),box-shadow .4s,border-color .4s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:var(--line-2)}
.card-flat{background:var(--paper-2);box-shadow:none}
.card-line{border-top:2px solid var(--brass)}
.tag{display:inline-block;padding:5px 12px;background:rgba(201,138,78,.12);color:var(--acc-deep);font-size:12px;font-weight:600;letter-spacing:.08em}
.tag-green{background:rgba(49,91,73,.1);color:var(--green-2)}
.tag-line{background:transparent;border:1px solid var(--line-2);color:var(--ink-2);font-weight:500}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.stat{display:grid;gap:2px}
.stat b{font-family:var(--serif);font-size:clamp(28px,3.2vw,42px);color:var(--acc-deep);line-height:1.1;font-weight:600}
.stat span{font-size:12.5px;color:var(--ink-3);letter-spacing:.14em}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow-s)}
.tbl{width:100%;border-collapse:collapse;font-size:13.8px;min-width:640px}
.tbl th,.tbl td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--paper-2);color:var(--green);font-size:12px;letter-spacing:.12em;font-weight:600;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td{color:var(--ink-2)}
.tbl td b{color:var(--ink);font-weight:600}
.list-check{display:grid;gap:11px}
.list-check li{display:flex;gap:10px;font-size:14.6px;color:var(--ink-2)}
.list-check li::before{
  content:"";width:14px;height:14px;flex:none;margin-top:7px;
  background:
    linear-gradient(var(--acc-deep),var(--acc-deep)) 50% 62%/2px 7px no-repeat,
    linear-gradient(var(--acc-deep),var(--acc-deep)) 62% 62%/2px 2px no-repeat;
  border:1px solid rgba(199,154,82,.5);border-radius:50%;
}
.list-num{display:grid;gap:14px}
.list-num li{display:flex;gap:14px;font-size:14.6px;color:var(--ink-2)}
.list-num li b{font-family:var(--serif);color:var(--acc-deep);font-size:15px;flex:none;min-width:24px}
details.qa{border-bottom:1px solid var(--line);padding:2px 0}
details.qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 0;font-weight:600;font-size:15.6px;color:var(--ink)}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{content:"+";font-family:var(--serif);font-size:20px;color:var(--caramel);line-height:1;transition:transform .3s;flex:none}
details.qa[open] summary::after{transform:rotate(45deg)}
details.qa p{padding:0 0 18px;font-size:14.4px;max-width:78ch}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12.3px;color:var(--ink-3);letter-spacing:.04em;position:relative;z-index:5}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--acc-deep)}
.crumb i{color:var(--brass);font-style:normal}
.crumb .cur{color:var(--acc-deep)}
.contact-inline{display:inline-flex;align-items:center;flex-wrap:wrap;gap:10px 22px;font-size:13.4px;color:var(--ink-2)}
.contact-inline a{color:var(--acc-deep);font-weight:600;font-family:var(--serif);font-size:15px}
.contact-inline .ci-item{display:inline-flex;align-items:center;gap:7px}
.contact-inline svg{width:14px;height:14px;stroke:var(--caramel);fill:none;stroke-width:1.8}
.contact-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:var(--green);color:#F6EEDD;padding:26px 32px;box-shadow:var(--shadow-m);
  position:relative;overflow:hidden;
}
.contact-bar::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 20px,transparent 20px 54px)}
.contact-bar>*{position:relative;z-index:2}
.contact-bar .cb-text strong{font-family:var(--serif);font-size:clamp(18px,2vw,23px);display:block;color:#F8F0DF}
.contact-bar .cb-text p{font-size:13px;margin-top:4px;color:rgba(246,238,221,.68)}
.contact-bar .cb-acts{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:600px){
  .contact-bar{padding:22px}
  .contact-bar .cb-acts{width:100%}
  .contact-bar .btn{flex:1}
}
.form-grid{display:grid;gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:12.5px;letter-spacing:.1em;color:var(--ink-3)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line-2);background:var(--paper);
  font-size:14px;color:var(--ink);border-radius:2px;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--caramel);outline:none;box-shadow:0 0 0 3px rgba(201,138,78,.14)}
.field textarea{min-height:96px;resize:vertical}
.note{background:rgba(201,138,78,.08);border-left:2px solid var(--brass);padding:16px 20px;font-size:13.6px;color:var(--ink-2)}
.divider-curtain{
  height:18px;background:repeating-linear-gradient(90deg,var(--green) 0 30px,var(--green-2) 30px 44px,var(--caramel) 44px 50px);
  opacity:.9;position:relative;
}

/* ---------- 14 页首通用 ---------- */
.phero{position:relative;overflow:hidden;padding:clamp(34px,4vw,58px) 0 clamp(42px,5vw,72px);background:var(--green);color:#F6EEDD}
.phero .starfield{opacity:.55}
.phero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(0,0,0,.2) 0 22px,rgba(255,255,255,.03) 22px 40px);
  opacity:.55;
}
.phero-in{position:relative;z-index:5}
.phero .eyebrow{color:var(--brass-2)}
.phero .eyebrow::before{background:var(--brass-2)}
.phero h1{margin-top:16px;max-width:22ch;color:#F9F2E3}
.phero .ph-lead{margin-top:18px;max-width:58ch;font-size:16px;color:rgba(246,238,221,.78)}
.phero .crumb{color:rgba(246,238,221,.5)}
.phero .crumb a{color:rgba(246,238,221,.78)}
.phero .crumb .cur{color:var(--brass-2)}
.phero .crumb i{color:rgba(242,229,206,.4)}
.ph-meta{display:flex;gap:30px;flex-wrap:wrap;margin-top:28px;position:relative;z-index:5}
.ph-meta div{font-size:11.5px;color:rgba(246,238,221,.55);letter-spacing:.12em}
.ph-meta strong{display:block;font-family:var(--serif);font-size:22px;color:var(--brass-2);letter-spacing:.02em;margin-top:3px}
.ph-contact{
  display:flex;align-items:center;gap:12px 26px;flex-wrap:wrap;margin-top:26px;
  padding-top:18px;border-top:1px solid rgba(226,197,140,.24);
}
.phc-item{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:rgba(246,238,221,.62);letter-spacing:.05em}
.phc-item svg{width:14px;height:14px;stroke:#E2C58C;fill:none;stroke-width:1.6}
.phc-item b{font-family:var(--serif);font-size:15px;color:#F7EFDE;letter-spacing:.03em;font-weight:600}
.phc-item:hover b{color:#E9C795}
.phero .btn-ghost{border-color:rgba(246,238,221,.3);background:transparent;color:#F6EEDD}
.phero .btn-ghost:hover{border-color:var(--brass-2);color:var(--brass-2)}

/* ---------- 15 响应式 ---------- */
@media (max-width:1080px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .g-2-1,.g-1-2{grid-template-columns:1fr}
}
@media (max-width:760px){
  body{font-size:15px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .section{padding:50px 0}
  .phero{padding:30px 0 38px}
  .phero h1{max-width:none}
  .ph-meta{gap:18px 26px}
  .card{padding:24px}
  .page-with-rail{padding-right:0}
}

/* ---- 跨页面复用的组合件 ---- */
.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.doc-item{display:flex;gap:14px;padding:18px 20px;background:var(--paper);border:1px solid var(--line);align-items:flex-start}
.doc-item .di-ico{width:38px;height:38px;border:1px solid var(--line-2);display:grid;place-items:center;flex:none}
.doc-item .di-ico svg{width:18px;height:18px;stroke:var(--acc-deep);fill:none;stroke-width:1.5}
.doc-item h4{font-size:14.5px;margin-bottom:3px}
.doc-item p{font-size:12.6px;line-height:1.7;margin:0;color:var(--ink-3)}

.course-faq{margin-top:10px}
.course-rel{margin-top:clamp(44px,5vw,70px);padding-top:34px;border-top:2px solid var(--green)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.rel-card{background:var(--paper);border:1px solid var(--line);padding:20px 22px;display:flex;flex-direction:column;gap:8px;transition:.35s}
.rel-card:hover{border-color:var(--caramel);transform:translateY(-4px);box-shadow:var(--shadow-s)}
.rel-card .rc-code{font-family:var(--serif);font-size:10.5px;letter-spacing:.16em;color:var(--ink-3)}
.rel-card h4{font-family:var(--serif);font-size:16.5px}
.rel-card p{font-size:12.4px;color:var(--ink-3);line-height:1.7;margin:0}

.side-card{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.side-card .sc-head{background:var(--green);color:#F6EEDD;padding:16px 22px;display:flex;align-items:center;justify-content:space-between}
.side-card .sc-head strong{font-family:var(--serif);font-size:16px;letter-spacing:.06em}
.side-card .sc-head span{font-size:10px;letter-spacing:.18em;color:#E2C58C}
.side-card .sc-body{padding:18px 22px 22px;display:grid;gap:12px}
.side-card .sc-contact{display:grid;gap:9px}
.side-card .sc-contact a{display:flex;align-items:center;gap:9px;font-size:13.4px;color:var(--ink-2)}
.side-card .sc-contact a b{font-family:var(--serif);font-size:17px;color:var(--green)}
.side-card .sc-contact svg{width:15px;height:15px;stroke:var(--caramel);fill:none;stroke-width:1.7}
.side-card .sc-note{font-size:11.8px;color:var(--ink-3);line-height:1.7;border-top:1px dashed var(--line);padding-top:12px}
.side-card .btn{width:100%}
.side-list{background:var(--cream-2);border:1px solid var(--line);padding:20px 22px}
.side-list h5{font-family:var(--serif);font-size:13.5px;letter-spacing:.1em;color:var(--green);margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.side-list a{display:flex;justify-content:space-between;gap:10px;padding:6px 0;font-size:12.8px;color:var(--ink-2)}
.side-list a:hover{color:var(--acc-deep)}
.side-list a span{color:var(--ink-3);font-size:11px}

.channel-card{background:var(--paper);border:1px solid var(--line);border-top:2px solid var(--brass);padding:20px 0 14px}
.channel-card h4{font-size:11.5px;letter-spacing:.2em;color:var(--ink-3);padding:0 20px 10px;border-bottom:1px solid var(--line);font-family:var(--sans)}
.channel-card a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 20px;font-size:13.2px;color:var(--ink-2)}
.channel-card a:hover,.channel-card a.is-on{color:var(--acc-deep);background:rgba(201,138,78,.08)}
.channel-card a i{font-style:normal;font-size:10.5px;color:var(--ink-3);letter-spacing:.06em}

.news-cast{background:var(--green);color:#F6EEDD;padding:22px;position:relative;overflow:hidden}
.news-cast::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 16px,transparent 16px 42px)}
.news-cast>*{position:relative;z-index:2}
.news-cast h4{color:#F8F0DF;font-size:16px}
.news-cast p{font-size:12.2px;color:rgba(246,238,221,.64);margin:6px 0 12px}
.news-cast a{display:flex;align-items:center;gap:7px;font-size:12.5px;color:#E2C58C;padding:3px 0}
.news-cast svg{width:13px;height:13px;stroke:#E2C58C;fill:none;stroke-width:1.6}

@media (max-width:1024px){.rel-grid{grid-template-columns:repeat(2,1fr)}.doc-grid{grid-template-columns:1fr}}
@media (max-width:620px){.rel-grid{grid-template-columns:1fr}}