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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<meta name="renderer" content="webkit">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
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<link rel="icon" href="/favicon.ico">
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<title>电商互联网产品开发实训系统</title>
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<!--[if lt IE 11]><script>window.location.href='/html/ie.html';</script><![endif]-->
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<style>
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:root {
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--ink: #06101f;
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--panel: rgba(8, 30, 52, 0.82);
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--line: rgba(80, 177, 214, 0.28);
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--cyan: #53d6ff;
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--mint: #8ff7d1;
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--gold: #ffd978;
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--text: #f3fbff;
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--muted: #9fc1d8;
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}
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html,
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body {
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width: 100%;
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height: 100%;
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margin: 0;
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overflow: hidden;
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}
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#loading-wrapper {
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position: relative;
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display: grid;
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place-items: center;
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width: 100vw;
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height: 100vh;
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color: var(--text);
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font-family: "Microsoft YaHei", "PingFang SC", "Source Han Sans CN", sans-serif;
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background:
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linear-gradient(rgba(92, 192, 255, 0.08) 1px, transparent 1px),
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linear-gradient(90deg, rgba(92, 192, 255, 0.08) 1px, transparent 1px),
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radial-gradient(circle at 18% 18%, rgba(83, 214, 255, 0.14), transparent 28%),
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radial-gradient(circle at 82% 72%, rgba(143, 247, 209, 0.1), transparent 30%),
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linear-gradient(135deg, #071426 0%, #06101f 50%, #091827 100%);
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background-size: 52px 52px, 52px 52px, auto, auto, auto;
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}
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#loading-wrapper::before,
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#loading-wrapper::after {
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position: absolute;
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inset: 0;
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content: "";
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pointer-events: none;
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}
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#loading-wrapper::before {
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background:
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linear-gradient(120deg, transparent 0 22%, rgba(83, 214, 255, 0.14) 22.3%, transparent 22.8% 62%, rgba(255, 217, 120, 0.12) 62.3%, transparent 62.8%),
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linear-gradient(0deg, rgba(0, 0, 0, 0.24), transparent 36%, rgba(0, 0, 0, 0.2));
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opacity: 0.75;
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}
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#loading-wrapper::after {
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border: 1px solid rgba(83, 214, 255, 0.16);
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box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.42);
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}
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.loading-shell {
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position: relative;
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z-index: 1;
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display: grid;
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grid-template-columns: 154px minmax(320px, 520px);
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gap: 30px;
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align-items: center;
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max-width: min(820px, calc(100vw - 40px));
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padding: 34px 38px;
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border: 1px solid var(--line);
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border-radius: 8px;
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background:
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linear-gradient(145deg, rgba(14, 42, 68, 0.92), rgba(6, 20, 38, 0.9)),
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var(--panel);
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box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.06);
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animation: shell-in 0.7s ease both;
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}
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.loading-mark {
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position: relative;
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width: 154px;
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height: 154px;
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overflow: hidden;
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border: 1px solid rgba(83, 214, 255, 0.28);
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border-radius: 8px;
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background:
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linear-gradient(90deg, transparent 23px, rgba(83, 214, 255, 0.11) 24px, transparent 25px),
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linear-gradient(0deg, transparent 23px, rgba(83, 214, 255, 0.1) 24px, transparent 25px),
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rgba(5, 22, 39, 0.9);
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background-size: 25px 25px;
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}
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.learning-card {
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position: absolute;
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left: 27px;
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top: 34px;
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width: 100px;
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height: 72px;
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border: 1px solid rgba(143, 247, 209, 0.36);
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border-radius: 6px;
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background: linear-gradient(180deg, rgba(143, 247, 209, 0.18), rgba(83, 214, 255, 0.08));
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box-shadow: 0 10px 28px rgba(83, 214, 255, 0.12);
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animation: card-float 2.8s ease-in-out infinite;
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}
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.learning-card::before,
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.learning-card::after {
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position: absolute;
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content: "";
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}
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.learning-card::before {
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left: 15px;
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top: 18px;
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width: 70px;
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height: 5px;
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border-radius: 99px;
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background: var(--mint);
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box-shadow: 0 15px 0 rgba(211, 239, 255, 0.7), 0 30px 0 rgba(211, 239, 255, 0.42);
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}
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.learning-card::after {
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right: -18px;
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bottom: -18px;
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width: 48px;
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height: 48px;
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border: 2px solid var(--gold);
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border-left-color: transparent;
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border-radius: 50%;
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animation: spin 1.4s linear infinite;
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}
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.pulse-node {
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position: absolute;
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left: 22px;
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bottom: 22px;
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width: 10px;
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height: 10px;
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border-radius: 50%;
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background: var(--cyan);
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box-shadow: 28px -8px 0 var(--gold), 58px 4px 0 var(--mint), 86px -18px 0 rgba(83, 214, 255, 0.72);
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}
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.pulse-node::before {
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position: absolute;
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left: -2px;
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top: -2px;
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width: 112px;
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height: 36px;
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content: "";
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border-top: 1px solid rgba(83, 214, 255, 0.34);
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border-right: 1px solid rgba(143, 247, 209, 0.26);
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transform: skewX(-24deg);
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}
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.loading-copy {
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min-width: 0;
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}
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.loading-eyebrow {
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display: inline-flex;
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align-items: center;
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gap: 8px;
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padding: 5px 10px;
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border: 1px solid rgba(83, 214, 255, 0.32);
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border-radius: 999px;
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color: var(--mint);
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font-size: 12px;
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font-weight: 700;
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background: rgba(83, 214, 255, 0.08);
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}
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.loading-eyebrow::before {
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width: 7px;
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height: 7px;
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content: "";
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border-radius: 50%;
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background: var(--mint);
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box-shadow: 0 0 14px var(--mint);
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}
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.loading-title {
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margin: 16px 0 8px;
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color: var(--text);
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font-size: 30px;
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font-weight: 800;
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line-height: 1.2;
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}
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.loading-subtitle {
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margin: 0;
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color: var(--muted);
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font-size: 14px;
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line-height: 1.8;
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}
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.progress-track {
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position: relative;
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height: 8px;
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margin: 26px 0 18px;
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overflow: hidden;
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border-radius: 999px;
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background: rgba(143, 190, 214, 0.16);
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}
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.progress-track::before {
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position: absolute;
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inset: 0;
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width: 44%;
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content: "";
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border-radius: inherit;
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background: linear-gradient(90deg, var(--cyan), var(--mint), var(--gold));
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animation: progress 1.8s ease-in-out infinite;
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}
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.loading-steps {
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display: grid;
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grid-template-columns: repeat(3, minmax(0, 1fr));
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gap: 10px;
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}
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.loading-step {
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padding: 10px 12px;
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border: 1px solid rgba(83, 214, 255, 0.18);
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border-radius: 8px;
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color: #c8e5f5;
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font-size: 13px;
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background: rgba(3, 19, 34, 0.52);
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}
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.loading-step span {
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display: block;
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margin-bottom: 4px;
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color: var(--mint);
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font-size: 12px;
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font-weight: 700;
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}
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@keyframes shell-in {
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from {
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opacity: 0;
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transform: translateY(14px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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@keyframes card-float {
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0%,
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100% {
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transform: translateY(0);
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}
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50% {
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transform: translateY(-8px);
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}
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}
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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@keyframes progress {
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0% {
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transform: translateX(-110%);
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}
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55% {
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transform: translateX(82%);
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}
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100% {
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transform: translateX(240%);
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}
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}
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@media (max-width: 720px) {
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.loading-shell {
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grid-template-columns: 1fr;
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gap: 22px;
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padding: 26px;
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}
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.loading-mark {
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width: 132px;
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height: 132px;
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}
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.learning-card {
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left: 16px;
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top: 26px;
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}
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.loading-title {
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font-size: 24px;
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}
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.loading-steps {
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grid-template-columns: 1fr;
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}
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}
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@media (prefers-reduced-motion: reduce) {
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*,
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*::before,
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*::after {
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animation-duration: 0.001ms !important;
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animation-iteration-count: 1 !important;
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}
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}
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</style>
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</head>
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<body>
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<div id="app">
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<div id="loading-wrapper">
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<div class="loading-shell" role="status" aria-live="polite">
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<div class="loading-mark" aria-hidden="true">
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<div class="learning-card"></div>
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<div class="pulse-node"></div>
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</div>
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<div class="loading-copy">
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<div class="loading-eyebrow">Teaching Lab System</div>
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<h1 class="loading-title">正在初始化教学环境</h1>
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<p class="loading-subtitle">正在同步课程资源、实训数据与学习进度，请稍候。</p>
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<div class="progress-track" aria-hidden="true"></div>
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<div class="loading-steps" aria-hidden="true">
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|
<div class="loading-step"><span>01</span>课程资源</div>
|
|
|
|
|
<div class="loading-step"><span>02</span>实训任务</div>
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<div class="loading-step"><span>03</span>学习数据</div>
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</div>
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<script type="module" src="/src/main.js"></script>
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</body>
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</html>
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