@charset "utf-8";
/* ============================================================================
   中国石油大学（北京）国际教育学院 · 来华留学招生站  主样式表
   版本：中文单语版（不含中英文切换，页面文案仅中文）
   兼容：IE11 / Edge / Chrome / Firefox / Safari（IE10 亦可降级显示）
   说明：为兼容 IE，本表不使用 CSS 变量、CSS Grid 与 flex 的 gap 属性；
        多列布局统一用「flex + 负外边距」模拟栅格；
        颜色一律写字面值，下方为配色速查，便于后期改为 Velocity 变量。
   配色：主蓝 #0b5aa0 / 深蓝 #0a3358 / 中蓝 #1f7a9e / 浅蓝底 #eef4f8 / 线 #d3e1ec
        金色 #b8863b / 浅金底 #faf4e6 / 正文 #1c2430 / 次要 #54606e
        待补充红 #c0392b / 浅红底 #fdf4f3
   ============================================================================ */

/* ---------------------------------------------------------------
   1. 基础
   --------------------------------------------------------------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:#1c2430;font-size:15px;line-height:1.62;
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;border:0}
h1,h2,h3,h4,h5{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* 中文单语版：页面已不含 <span class="en">/<span class="cn"> 双语节点，也不再提供语言切换
   （原双语版本样式保留在 招生独立网站搭建/历史备份/静态站点_双语版备份/main.css） */
.pair span{display:block}

/* ---------------------------------------------------------------
   2. 校对提示条（上线前删除此块与页面中 .previewbar 节点即可）
   --------------------------------------------------------------- */
.previewbar{background:#0a3358;color:#cfe0ef;font-size:12.5px;padding:7px 0}
.previewbar .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  margin-left:-14px}
.previewbar .wrap>*{margin-left:14px;margin-bottom:4px}
.previewbar b{color:#ffd98a}

/* ---------------------------------------------------------------
   3. 顶栏
   --------------------------------------------------------------- */
header.site{position:relative;z-index:60;background:#fff;
  border-bottom:1px solid #d3e1ec;box-shadow:0 2px 10px rgba(10,51,88,.06);
  transition:box-shadow .3s ease}
html.scrolled header.site{position:fixed;top:0;left:0;right:0;box-shadow:0 10px 26px rgba(10,51,88,.16)}
html.scrolled .brand .mark{width:34px;height:34px}
.sitebar{position:relative;display:flex;align-items:center;min-height:74px;padding:8px 0;
  transition:min-height .3s ease}
.sitebar>*{margin-right:12px}
.sitebar>*:last-child{margin-right:0}
.brand{display:flex;align-items:center;flex:0 1 auto;min-width:0}
.brand>*{margin-right:12px}
.brand>*:last-child{margin-right:0}
.brand .bt{line-height:1.2;min-width:0}
.brand .bt b{display:block;font-size:14.5px;color:#0a3358}
.brand .bt i{font-style:normal;font-size:11px;color:#54606e;letter-spacing:.3px}
.brand .mark{width:40px;height:40px;flex:0 0 40px;border-radius:9px;color:#fff;font-weight:800;
  font-size:12.5px;letter-spacing:.5px;background:linear-gradient(140deg,#0a3358,#1f7a9e);
  display:flex;align-items:center;justify-content:center;
  transition:width .3s ease,height .3s ease}
.brand .mark img{width:86%;height:86%;display:block}

nav.main{display:flex;align-items:center;margin-left:auto}
nav.main>a,nav.main .dd>button{font:inherit;font-size:12.9px;color:#0a3358;background:none;border:0;
  padding:8px;border-radius:9px;cursor:pointer;display:flex;align-items:center;white-space:nowrap}
nav.main>a>span+span,nav.main .dd>button>span+span{margin-left:6px}
nav.main>a:hover,nav.main .dd>button:hover{background:#eef4f8}
nav.main>a.active,nav.main .dd.cur>button{background:#eef4f8;color:#0b5aa0;font-weight:700}
nav.main .dd.open>button{background:#eef4f8;color:#0b5aa0}

/* 项目下拉：淡入下滑（IE11 下即时显示） */
.dd{position:relative}
.dd>button::after{content:"\25BE";font-size:10px;color:#54606e;margin-left:6px}
.ddmenu{position:absolute;top:100%;margin-top:6px;left:0;min-width:340px;background:#fff;
  border:1px solid #d3e1ec;border-radius:12px;box-shadow:0 14px 34px rgba(10,51,88,.16);padding:8px;
  visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s}
.dd.open .ddmenu{visibility:visible;opacity:1;pointer-events:auto;transform:none}
.ddmenu .grp{padding:7px 8px 2px;font-size:11px;color:#54606e;letter-spacing:.6px;text-transform:uppercase}
.ddmenu a{display:flex;align-items:center;padding:9px 10px;border-radius:9px;font-size:13.6px}
.ddmenu a>span{margin-right:10px}
.ddmenu a:hover{background:#eef4f8}
.ddmenu a .tag{font-size:10.5px;padding:1px 8px;border-radius:20px;background:#eef4f8;color:#0b5aa0;
  border:1px solid #d3e1ec;flex:0 0 auto;margin-left:auto;margin-right:0}
.ddmenu a .tag.gold{background:#faf4e6;border-color:#e3d0a6;color:#8a6508}

.tools{display:flex;align-items:center;flex:0 0 auto}
.tools>*+*{margin-left:6px}
.tools>.btn.sm{padding:8px 12px}
.langbtn{border:1px solid #d3e1ec;background:#fff;border-radius:9px;padding:7px 10px;font:inherit;
  font-size:12.8px;cursor:pointer;color:#0a3358;display:inline-flex;align-items:center;white-space:nowrap}
.langbtn:hover{border-color:#0b5aa0;color:#0b5aa0}
/* 窄屏导航按钮（≤1080px 显示，桌面端不出现） */
.mnavbtn{display:none;border:1px solid #d3e1ec;background:#fff;border-radius:9px;padding:8px 11px;
  font:inherit;font-size:12.8px;color:#0a3358;cursor:pointer}
.mnav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid #d3e1ec;
  box-shadow:0 12px 26px rgba(10,51,88,.14);padding:8px 24px 14px}
.mnav a{display:block;padding:10px 4px;font-size:14px;color:#0a3358;border-bottom:1px solid #eef4f8}
.mnav a:last-child{border-bottom:0}
.mnav .mgrp{padding:10px 4px 4px;font-size:11px;color:#54606e;letter-spacing:.6px;text-transform:uppercase}
header.site.mopen .mnav{display:block}

/* ---------------------------------------------------------------
   4. 按钮
   --------------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:11px 20px;
  font-size:14px;font-weight:700;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease}
.btn>*+*{margin-left:8px}
.btn:hover{transform:translateY(-2px)}
.btn.pri{background:linear-gradient(90deg,#0b5aa0,#1f7a9e);color:#fff;box-shadow:0 6px 16px rgba(11,90,160,.22)}
.btn.pri:hover{box-shadow:0 10px 22px rgba(11,90,160,.32)}
.btn.out{background:#fff;border-color:#0b5aa0;color:#0b5aa0}
.btn.out:hover{background:#eef4f8}
.btn.sm{padding:8px 14px;font-size:13px}
.btn.gold{background:linear-gradient(90deg,#8a6508,#b8863b);color:#fff}
.btn.ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.24)}

/* ---------------------------------------------------------------
   5. 通用版式
   --------------------------------------------------------------- */
.page{display:block;animation:vFade .4s ease}
section.sec{padding:50px 0}
section.sec.tight{padding:32px 0}
section.sec.alt{background:#fff}
.sechead{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;
  margin-left:-20px;margin-bottom:22px}
.sechead>*{margin-left:20px;margin-bottom:10px}
.sectitle{display:flex;align-items:center}
.sectitle>*+*{margin-left:12px}
.sectitle .bar{width:24px;height:24px;flex:0 0 24px;border-radius:3px;
  background:linear-gradient(180deg,#0b5aa0,#1f7a9e);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);-webkit-clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.sectitle .bar.gold{background:linear-gradient(135deg,#b8863b,#d9a95c)}
.sectitle h2{font-size:23px;color:#0a3358;letter-spacing:.5px}
.sectitle .sub{font-size:12.5px;color:#54606e;margin-top:2px}
.lead{color:#54606e;font-size:15px;max-width:840px}

/* 栅格：flex + 负外边距（间距 18px，等价于原 CSS Grid） */
.grid{display:flex;flex-wrap:wrap;margin-left:-18px;margin-bottom:-18px}
.grid>*{margin-left:18px;margin-bottom:18px}
.g2>*{width:calc(50% - 18px)}
.g3>*{width:calc(33.3333% - 18px)}
.g4>*{width:calc(25% - 18px)}

.card{position:relative;overflow:hidden;background:#fff;border:1px solid #d3e1ec;
  border-radius:16px 4px 16px 4px;padding:20px 22px;box-shadow:0 3px 14px rgba(10,51,88,.05)}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#0b5aa0,#1f7a9e 55%,rgba(31,122,158,0))}
.card h3{margin:0 0 6px;font-size:16.5px;color:#0a3358}
.card p{margin:6px 0 0;color:#54606e;font-size:13.6px}
.card .icon{width:38px;height:38px;border-radius:12px 4px 12px 4px;background:#eef4f8;color:#0b5aa0;
  font-size:17px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;justify-content:center}

.pillrow{display:flex;flex-wrap:wrap;margin:10px -4px -4px}
.pillrow>*{margin:4px}
.pill{font-size:12px;padding:3px 11px;border-radius:20px;background:#eef4f8;border:1px solid #d3e1ec;color:#0b5aa0}
.pill.gold{background:#faf4e6;border-color:#e3d0a6;color:#8a6508}
.pill.dark{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#eaf3fb}

/* 待补充占位（正式内容到位前使用） */
.ph{border:2px dashed #c0392b;background:#fdf4f3;border-radius:10px;padding:13px 16px;margin-top:14px;
  font-size:12.6px;color:#9b2f22;line-height:1.55}
.ph b{display:inline-block;font-size:11px;letter-spacing:.6px;background:#c0392b;color:#fff;
  border-radius:5px;padding:1px 8px;margin-right:8px;vertical-align:1px}

/* ---------------------------------------------------------------
   6. 首页 Hero
   --------------------------------------------------------------- */
.hero{position:relative;overflow:hidden;color:#fff;background-size:150% 150%;
  background-image:radial-gradient(1100px 380px at 78% 6%,rgba(31,122,158,.55),rgba(31,122,158,0) 62%),
    linear-gradient(115deg,#071f38 0%,#0a3358 46%,#0b5aa0 100%)}
.hero::after{content:"";position:absolute;right:-120px;bottom:-150px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.09),rgba(255,255,255,0) 68%)}
.hero .wrap{position:relative;z-index:2;padding:62px 24px 96px}
.hero h1{font-size:39px;line-height:1.22;letter-spacing:.4px;font-weight:800;max-width:900px}
.hero h1 em{font-style:normal;color:#ffd98a}
.hero .sub{margin-top:14px;font-size:15.5px;color:#d7e5f5;max-width:780px;line-height:1.7}
.hero .cta{display:flex;flex-wrap:wrap;align-items:center;margin:26px 0 -12px -12px}
.hero .cta>*{margin:0 0 12px 12px}
.hero .stats{display:flex;flex-wrap:wrap;margin:36px 0 -14px -14px}
.hero .stats>*{width:calc(25% - 14px);margin:0 0 14px 14px}
.hero .stat{position:relative;overflow:hidden;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);border-radius:16px 16px 4px 16px;padding:13px 16px}
.hero .stat::after{content:"";position:absolute;right:-16px;bottom:-16px;width:48px;height:48px;
  border-radius:50%;background:rgba(255,255,255,.08)}
.hero .stat b{display:block;font-size:22px;color:#fff}
.hero .stat span{font-size:12px;color:#c7dbf0}

/* ---------------------------------------------------------------
   7. 项目卡
   --------------------------------------------------------------- */
.progcard{display:flex;flex-direction:column;background:#fff;border:1px solid #d3e1ec;border-radius:18px;
  overflow:hidden;box-shadow:0 4px 18px rgba(10,51,88,.06)}
.progcard .top{position:relative;padding:26px 22px 16px;border-bottom:1px solid #d3e1ec;
  border-radius:17px 17px 0 0;background:linear-gradient(180deg,#fbfdff,#fff)}
.progcard .top::before{content:"";position:absolute;top:0;left:26px;width:64px;height:5px;
  border-radius:0 0 6px 6px;background:linear-gradient(90deg,#b8863b,#d9a95c)}
.progcard .top .lbl{font-size:11.5px;letter-spacing:1.2px;color:#1f7a9e;font-weight:800}
.progcard .top h3{margin:6px 0 8px;font-size:19px;color:#0a3358}
.progcard .top p{margin:0;font-size:13.4px;color:#54606e;min-height:46px}
.progcard .btns{display:flex;padding:14px 22px 18px;margin-top:auto}
.progcard .btns>*{flex:1}
.progcard .btns>*+*{margin-left:10px}

/* ---------------------------------------------------------------
   8. 申请轮次 / 六步 / 阶段
   --------------------------------------------------------------- */
.rounds{display:flex;flex-wrap:wrap;margin-left:-14px;margin-bottom:-14px}
.rounds>*{width:calc(33.3333% - 14px);margin-left:14px;margin-bottom:14px}
.round{background:#fff;border:1px solid #d3e1ec;border-top:3px solid #0b5aa0;
  border-radius:60px 60px 14px 14px;padding:30px 18px 16px;text-align:center}
.round.closed{border-top-color:#9aa7b4;background:#f7f8fa}
.round .rn{font-size:11.5px;font-weight:800;letter-spacing:1px;color:#1f7a9e}
.round h4{margin:6px 0 4px;font-size:16px;color:#0a3358}
.round .de{font-size:19px;font-weight:800;color:#0b5aa0;margin-top:6px}
.round .note{font-size:12px;color:#54606e;margin-top:4px}
.round.closed .de{color:#8b97a3}
.round .pillrow{justify-content:center}
.status{display:inline-block;font-size:11px;padding:1px 9px;border-radius:20px;background:#e8f6ee;
  color:#1c7a4a;border:1px solid #bfe3cf}
.status.gray{background:#eef0f3;color:#6b7684;border-color:#d6dae0}

.steps{display:flex;flex-wrap:wrap;margin-left:-12px;margin-bottom:-12px}
.steps>*{width: calc(25% - 12px);margin-left:12px;margin-bottom:12px}
.step{background:#fff;border:1px solid #d3e1ec;border-radius:14px 5px 14px 5px;padding:18px 14px 15px;text-align:center}
.step .n{width:30px;height:30px;margin:0 auto 10px;border-radius:50%;color:#fff;font-weight:800;font-size:13px;
  background:linear-gradient(140deg,#0b5aa0,#1f7a9e);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  -webkit-clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  display:flex;align-items:center;justify-content:center}
.step b{display:block;font-size:13.4px;color:#0a3358}
.step span{display:block;font-size:11.8px;color:#54606e;margin-top:4px}

.stagebar{display:flex;flex-wrap:wrap;margin:8px 0 -12px -12px}
.stagebar>*{width:calc(25% - 12px);margin:0 0 12px 12px}
.stage{background:#fff;border:1px solid #d3e1ec;border-left:4px solid #0b5aa0;border-radius:4px 24px 24px 4px;
  padding:14px 16px}
.stage b{display:block;font-size:14px;color:#0a3358}
.stage span{display:block;font-size:12.3px;color:#54606e;margin-top:4px}
.stage .yr{font-size:11.5px;font-weight:800;color:#1f7a9e;letter-spacing:.8px}

/* ---------------------------------------------------------------
   9. 页头 Banner
   --------------------------------------------------------------- */
.pbanner{color:#fff;border-bottom:3px solid rgba(184,134,59,.45);
  background:linear-gradient(110deg,#0a3358,#0b5aa0 62%,#1f7a9e)}
.pbanner .wrap{padding:36px 24px 32px}
.crumb{font-size:12.5px;color:#bcd6ef;margin-bottom:12px}
.crumb a:hover{color:#fff;text-decoration:underline}
.pbanner h1{font-size:30px;letter-spacing:.4px}
.pbanner .dcn{font-size:15px;color:#dbe9f8;margin-top:6px}
.pbanner .line{font-size:14px;color:#cfe1f5;margin-top:12px;max-width:860px}
.pbanner .brow{display:flex;flex-wrap:wrap;align-items:center;margin:20px 0 -10px -10px}
.pbanner .brow>*{margin:0 0 10px 10px}
.pbanner.gold{background:linear-gradient(110deg,#5d4406,#8a6508 58%,#b8863b);
  border-bottom-color:rgba(255,255,255,.35)}

/* ---------------------------------------------------------------
   10. 表格
   --------------------------------------------------------------- */
table.tb{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid #d3e1ec;
  border-radius:11px;overflow:hidden;font-size:13.8px}
table.tb th{background:#eef4f8;color:#0a3358;text-align:left;font-size:13px;padding:12px 16px;
  border-bottom:1px solid #d3e1ec}
table.tb td{padding:12px 16px;border-bottom:1px solid #eaf0f5;color:#54606e}
table.tb tr:last-child td{border-bottom:0}
table.tb td b{color:#0a3358}
table.tb td.num{font-weight:700;color:#0b5aa0;white-space:nowrap}
table.tb tbody tr:hover td{background:#f4f9fd}

/* ---------------------------------------------------------------
   11. 材料清单（可勾选）
   --------------------------------------------------------------- */
.checklist{display:flex;flex-wrap:wrap;margin-left:-18px;margin-bottom:-10px}
.checklist>*{width:calc(50% - 18px);margin-left:18px;margin-bottom:10px}
.ci{display:flex;align-items:flex-start;background:#fff;border:1px solid #d3e1ec;
  border-left:3px solid #b8863b;border-radius:12px 4px 4px 12px;padding:12px 15px}
.ci>*+*{margin-left:11px}
.ci input{margin-top:4px;width:16px;height:16px;flex:0 0 auto}
.ci .tt{font-size:13.1px;color:#54606e}
.ci .tt b{display:block;font-size:13.5px;color:#0a3358;margin-bottom:2px}

/* ---------------------------------------------------------------
   12. 问答（结构统一为 div，见 js/main.js：.qa>.qsum + .ans）
   --------------------------------------------------------------- */
.qa{background:#fff;border:1px solid #d3e1ec;border-radius:12px 4px 12px 4px;margin-bottom:8px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.qa.open{border-color:#b9d2e8;box-shadow:0 8px 22px rgba(10,51,88,.08)}
.qsum{cursor:pointer;padding:13px 18px;font-size:14px;color:#0a3358;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.qsum::after{content:"+";color:#0b5aa0;font-size:18px;font-weight:700;margin-left:12px}
.qa.open .qsum::after{content:"\2013"}
.qa .ans{display:none;padding:12px 18px 15px;font-size:13.3px;color:#54606e;border-top:1px dashed #d3e1ec}
.qa.open .ans{display:block;animation:vFade .3s ease}
/* 禁用 JS 时全部展开，保证内容可读 */
html.no-js .qa .ans{display:block}
.faqgrp{margin-bottom:20px}
.faqgrp h3{font-size:15px;color:#0a3358;display:flex;align-items:center}
.faqgrp h3::before{content:"";width:10px;height:10px;border-radius:50%;background:#b8863b;margin-right:9px;
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);-webkit-clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.faqgrp h3{margin:0 0 10px}

/* ---------------------------------------------------------------
   13. PDF 下载卡
   --------------------------------------------------------------- */
.pdfcard{display:flex;align-items:center;background:#fff;border:1px solid #d3e1ec;
  border-radius:14px 4px 14px 14px;padding:16px 20px}
.pdfcard>*+*{margin-left:18px}
.pdfcard .thumb{position:relative;overflow:hidden;width:84px;height:110px;flex:0 0 84px;border-radius:8px;
  border:1px solid #d3e1ec;background:repeating-linear-gradient(180deg,#fff 0 9px,#eef4f8 9px 10px)}
.pdfcard .thumb::after{content:"PDF";position:absolute;left:0;right:0;bottom:0;background:#c0392b;color:#fff;
  font-size:10.5px;text-align:center;padding:2px 0;letter-spacing:1px}
.pdfcard .meta{flex:1;min-width:0}
.pdfcard .meta b{display:block;font-size:15.5px;color:#0a3358}
.pdfcard .meta .s{font-size:12.3px;color:#54606e;margin-top:4px}
.pdfcard .acts{display:flex;flex-wrap:wrap;margin-left:9px}
.pdfcard .acts>*{margin-left:9px}

/* ---------------------------------------------------------------
   14. 联系卡 / 提示条 / CTA / 标签页
   --------------------------------------------------------------- */
.contact{display:flex;align-items:flex-start;background:#fff;border:1px solid #d3e1ec;
  border-radius:16px 4px 16px 4px;padding:18px 20px}
.contact>*+*{margin-left:16px}
.contact .ic{width:42px;height:42px;flex:0 0 42px;border-radius:11px;background:#eef4f8;color:#0b5aa0;
  font-size:15px;font-weight:800;display:flex;align-items:center;justify-content:center;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  -webkit-clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.contact>div{min-width:0}
.contact b{display:block;font-size:15px;color:#0a3358}
.contact .l{font-size:13.3px;color:#54606e;margin-top:4px;line-height:1.75}
.contact.oh{margin-top:14px}

.notebar{display:flex;align-items:center;background:#faf4e6;border:1px solid #e3d0a6;border-radius:11px;
  padding:13px 18px;font-size:13.1px;color:#8a6508;line-height:1.55}
.notebar>*+*{margin-left:13px}
.notebar b{flex:0 0 auto;font-size:12.5px;letter-spacing:1px;padding-right:13px;border-right:1px solid #e3d0a6}

.cta-block{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;
  background:linear-gradient(110deg,#0a3358,#0b5aa0);border-radius:0;color:#fff;padding:28px 32px;
  clip-path:polygon(24px 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%,0 24px);
  -webkit-clip-path:polygon(24px 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%,0 24px)}
.cta-block>*{margin-bottom:10px}
.cta-block>*+*{margin-left:20px}
.cta-block h3{font-size:20px}
.cta-block p{margin:6px 0 0;color:#cfe1f5;font-size:13.5px}
.cta-block .bs{display:flex;flex-wrap:wrap;margin-left:10px}
.cta-block .bs>*{margin-left:10px}

.tabs{display:flex;flex-wrap:wrap;margin:0 0 20px -8px}
.tabs>*{margin-left:8px;margin-bottom:8px}
.tab{border:1px solid #d3e1ec;background:#fff;border-radius:999px;padding:9px 20px;font:inherit;font-size:14px;
  font-weight:700;color:#0a3358;cursor:pointer}
.tab.on{background:linear-gradient(90deg,#0b5aa0,#1f7a9e);color:#fff;border-color:transparent}
.tabpane{display:none}
.tabpane.on{display:block;animation:vFade .3s ease}

/* ---------------------------------------------------------------
   15. 校徽 / 手写校名
   --------------------------------------------------------------- */
.hero-cal{height:52px;width:auto;display:block;margin:0 0 16px;opacity:.96}
.flogo{display:flex;align-items:center;margin:0 0 14px -12px}
.flogo>*{margin-left:12px}
.flogo .fe{height:48px;width:auto;display:block}
.flogo .fc{height:24px;width:auto;display:block;opacity:.92}

/* ---------------------------------------------------------------
   16. 图片展示（Gallery）
   --------------------------------------------------------------- */
.ph-grid{display:flex;flex-wrap:wrap;margin-left:-18px;margin-bottom:-18px}
.ph-grid>*{width:calc(33.3333% - 18px);margin-left:18px;margin-bottom:18px}
.ph-card{position:relative;overflow:hidden;margin:0;background:#fff;border:1px solid #d3e1ec;
  border-radius:14px;cursor:zoom-in;transition:transform .25s ease,box-shadow .25s ease}
.ph-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(11,42,80,.16)}
/* 3:2 定比容器（IE 不支持 aspect-ratio，用 padding-top 占位） */
.ph-card .imw{position:relative;height:0;padding-top:66.6667%;overflow:hidden;background:#eef4f8}
.ph-card .imw img{position:absolute;left:0;top:0;width:100%;height:100%;display:block}
.ph-card .chip{position:absolute;top:10px;left:10px;z-index:2;font-size:10.5px;letter-spacing:.5px;
  background:rgba(10,51,88,.78);color:#fff;padding:3px 9px;border-radius:20px}
.ph-card figcaption{padding:11px 14px 13px;font-size:13.6px;color:#1c2430}
.ph-card figcaption .sub{display:block;font-size:12px;color:#54606e;margin-top:2px}
.glab{display:flex;align-items:center;margin:26px 0 14px;font-size:13px;letter-spacing:1.2px;
  text-transform:uppercase;color:#0b5aa0;font-weight:700}
.glab::after{content:"";flex:1;height:1px;background:#d3e1ec;margin-left:10px}

/* 灯箱 */
#lb{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(6,22,40,.88);display:none;z-index:90;
  padding:4vh 4vw;cursor:zoom-out}
#lb.on{display:block}
#lb img{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);max-width:92%;max-height:92%;
  border-radius:10px;box-shadow:0 24px 80px rgba(0,0,0,.5)}
#lb .cap{position:absolute;bottom:2.2vh;left:0;right:0;text-align:center;color:#dbe9f8;font-size:14px}

/* ---------------------------------------------------------------
   17. 联系页附加：二维码 / 校园地图
   --------------------------------------------------------------- */
.qrrow{display:flex;flex-wrap:wrap;justify-content:center;margin:20px -19px -16px}
.qrrow>*{margin:0 19px 16px}
.qrrow .qr{width:112px;height:112px;border:1px solid #d3e1ec;border-radius:12px;background:#fff;padding:7px;
  box-shadow:0 3px 10px rgba(11,90,160,.1)}
.qrrow .qr img{width:100%;height:100%;display:block}
.qrrow .cap{text-align:center;font-size:13px;font-weight:700;color:#0a3358;margin-top:8px}

.mapcard{display:flex;flex-wrap:wrap;align-items:stretch;background:#fff;border:1px solid #d3e1ec;
  border-radius:14px;padding:16px}
.mapcard .map{flex:1 1 340px}
.mapcard .map svg{width:100%;height:auto;display:block;border-radius:10px}
.mapcard .mapinfo{flex:1 1 260px;display:flex;flex-direction:column;justify-content:center;margin-left:22px}
.mapcard .mapinfo>*+*{margin-top:10px}
.mapcard .mapinfo b{font-size:16px;color:#0a3358}
.mapcard .mapinfo p{margin:0;font-size:13.3px;color:#54606e;line-height:1.85}
.mapcard .mapinfo .mapnote{font-size:11.5px;color:#94a3b1}

/* ---------------------------------------------------------------
   18. 页脚
   --------------------------------------------------------------- */
footer.site{background:#071f38;color:#b9cde3;padding:42px 0 24px;font-size:13.1px}
footer.site .cols{display:flex;flex-wrap:wrap;margin-left:-26px;margin-bottom:-20px}
footer.site .cols>*{margin-left:26px;margin-bottom:20px;width:calc(21.74% - 26px)}
footer.site .cols>*:first-child{width:calc(32.6% - 26px)}
footer.site .cols>*:last-child{width:calc(23.91% - 26px)}
footer.site h5{margin-bottom:12px;font-size:13.4px;color:#fff;letter-spacing:.5px}
footer.site a:hover{color:#fff;text-decoration:underline}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin-bottom:7px}
footer.site .fine{display:flex;justify-content:space-between;flex-wrap:wrap;margin:26px 0 0 -16px;
  padding-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:12.2px;color:#8fa8c2}
footer.site .fine>*{margin-left:16px}
.legend{display:flex;flex-wrap:wrap;margin:14px 0 -8px -16px;font-size:12.2px;color:#54606e}
.legend>*{margin:0 0 8px 16px;display:flex;align-items:center}
.legend i{width:22px;height:12px;border-radius:3px;display:inline-block;border:1px solid #d3e1ec;
  background:#fff;margin-right:7px}
.legend i.ph{border:2px dashed #c0392b;background:#fdf4f3}

/* ---------------------------------------------------------------
   19. 悬停微交互 / 返回顶部
   --------------------------------------------------------------- */
.card,.progcard,.round,.step,.ci,.pdfcard,.contact,.stage,.hero .stat{
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover,.progcard:hover,.round:hover,.step:hover,.ci:hover,.pdfcard:hover,.contact:hover,.stage:hover{
  transform:translateY(-4px);box-shadow:0 16px 34px rgba(10,51,88,.13);border-color:#b9d2e8}
html.scrolled .sitebar{min-height:56px}
html.scrolled .brand .mark{width:34px;height:34px}

#toTop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border:0;cursor:pointer;z-index:89;
  background:linear-gradient(135deg,#0a3358,#0b5aa0);color:#fff;font-size:18px;
  border-radius:16px 4px 16px 4px;box-shadow:0 12px 26px rgba(10,51,88,.32);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s ease,visibility .3s ease,transform .3s ease}
#toTop.on{opacity:1;visibility:visible;transform:none}
#toTop:hover{transform:translateY(-3px)}

/* ---------------------------------------------------------------
   19.5 PDF 预览弹窗（IE11 兼容）
   --------------------------------------------------------------- */
.pdf-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:100}
.pdf-modal.show{display:block}
.pdf-modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);cursor:pointer}
.pdf-modal-content{position:absolute;top:50%;left:50%;width:90%;height:90%;max-width:1000px;background:#fff;
  transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);box-shadow:0 20px 60px rgba(10,51,88,0.3)}
.pdf-modal-header{height:50px;line-height:50px;padding:0 20px;background:#0a3358;color:#fff;
  display:flex;justify-content:space-between;align-items:center}
.pdf-modal-header span{font-size:16px;font-weight:600}
.pdf-modal-close{width:36px;height:36px;line-height:36px;background:transparent;border:none;
  color:#fff;font-size:28px;cursor:pointer;text-align:center;padding:0}
.pdf-modal-close:hover{color:#ffd15a}
.pdf-modal-body{height:calc(100% - 50px);padding:10px;box-sizing:border-box}
#pdfFrame{width:100%;height:100%;border:0}

/* ---------------------------------------------------------------
   20. 动效（尊重系统「减少动态效果」设置）
   --------------------------------------------------------------- */
@keyframes vFade{from{opacity:0;transform:translateY(10px)}}
@keyframes vRise{from{opacity:0;transform:translateY(26px)}}
@keyframes vPan{from{background-position:0 0}to{background-position:100% 100%}}
.hero{animation:vPan 14s ease-in-out infinite alternate}
@media screen and (prefers-reduced-motion: no-preference){
  html.js-anim .rv{opacity:0}
  html.js-anim .rv.in{animation:vRise .65s cubic-bezier(.2,.7,.3,1) backwards}
}
@media screen and (prefers-reduced-motion: reduce){
  .page,.hero,.tabpane.on,.qa.open .ans{animation:none}
}

/* ---------------------------------------------------------------
   21. 响应式
   --------------------------------------------------------------- */
@media (max-width:1279px){
  .sitebar>*{margin-right:10px}
  .brand>*{margin-right:10px}
  .brand .bt b{font-size:12.5px}
  nav.main>a,nav.main .dd>button{font-size:12.5px;padding:7px 6px}
  .btn.sm{padding:7px 12px;font-size:12.5px}
}
@media (max-width:1080px){
  .g4>*,.ph-grid>*{width:calc(50% - 18px)}
  .g3>*,.g2>*,.checklist>*{width:100%}
  .hero .stats>*,.rounds>*{width:calc(50% - 14px)}
  .steps>*,.stagebar>*{width:calc(50% - 12px)}
  nav.main{display:none}
  .mnavbtn{display:inline-block}
  .hero h1{font-size:28px}
  .brand .bt i{display:none}
  footer.site .cols>*{width:calc(50% - 26px)}
  footer.site .cols>*:first-child,footer.site .cols>*:last-child{width:calc(50% - 26px)}
  .mapcard .map,.mapcard .mapinfo{flex:1 1 100%;margin-left:0}
  .mapcard .map{margin-bottom:16px}
  .mapcard .map svg{min-width:0}
}
@media (max-width:640px){
  .g4>*,.rounds>*,.steps>*,.stagebar>*,.hero .stats>*{width:100%}
  .hero h1{font-size:24px}
  .pbanner h1{font-size:24px}
  .pdfcard{flex-wrap:wrap}
  .pdfcard .meta{margin-top:10px}
}

/* IE10/IE11 兜底：不支持 clip-path 时给出圆角替代，避免出现直角方块 */
* html .sectitle .bar{clip-path:none}