.br-10{border-radius: 10px;}
.br-20{border-radius: 20px;}
.br-50{border-radius: 50px;}

.height-42{height:42px;overflow: hidden;}
.font-weight-900{font-weight:900}
.oneline{width:100%;word-break:keep-all;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.post-image img{width:100%}

:root {
  --bg: #f5f7fc;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --line: rgba(15, 23, 42, 0.11);
  --text: #0f172a;
  --muted: #5b6478;
  --shadow: 0 14px 36px -24px rgba(15, 23, 42, 0.55);
  --brand-1: #7c5cff;
  --brand-2: #0e7490;
  --brand-3: #ff6bd6;
  --radius: 18px;
  --wrap: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

h1, h2, h3, h4, h5, h6 {color: #334a65;}

body{background:var(--bg)}


/*首页*/
.course-item,.step, .sh--center, .cta__inner, .pill {box-shadow: var(--shadow);}
.sh {position: relative;display: flex;align-items: flex-end;justify-content: space-between;gap: 40px;flex-wrap: wrap;padding-bottom: 24px;margin-bottom: 20px;}
.sh--chip .sh__corner {position: absolute;right: 0;top: -6px;width: 108px;height: 46px;pointer-events: none;opacity: 0.85;}
.sh--chip .sh__dots {position: absolute;right: 8px;top: 22px;width: 54px;height: 18px;background-image: radial-gradient(rgba(34, 211, 238, 0.85) 1px, transparent 1.2px);background-size: 9px 9px;mask-image: linear-gradient(90deg, transparent, #000);-webkit-mask-image: linear-gradient(90deg, transparent, #000);animation: sh-dots 2.6s linear infinite;opacity: 0.7;}
.sh__title {font-size: clamp(26px, 3.4vw, 40px);line-height: 1.25;font-weight: 800;letter-spacing: -0.01em;background: linear-gradient(100deg, #334a65 12%, #a9c4ff 45%, #7c5cff 78%);-webkit-background-clip: text;background-clip: text;color: transparent;}
.sh__title__light {font-size: clamp(26px, 3.4vw, 40px);line-height: 1.25;font-weight: 800;letter-spacing: -0.01em;background: linear-gradient(100deg, #fff 12%, #a9c4ff 45%, #7c5cff 78%);-webkit-background-clip: text;background-clip: text;color: transparent;}
.sh__desc {margin-top: 12px;max-width: 480px;font-size: 15px;color: #98a1b8;}
.sh__main {max-width: 760px;}
.sh--dual .sh__main {position: relative;padding-left: 20px;}
.sh--dual .sh__main::before {content: "";position: absolute;left: 0;top: 4px;bottom: 4px;width: 3px;border-radius: 3px;background: linear-gradient(180deg, #22d3ee, #7c5cff 60%, transparent);box-shadow: 0 0 16px rgba(124, 92, 255, 0.8);}
.sh__action {display: inline-flex;align-items: center;gap: 8px;height: 40px;padding: 0 18px;border-radius: 999px;border: 1px solid rgba(34, 211, 238, 0.55);background: rgba(255, 255, 255, 0.04);font-size: 13.5px;font-weight: 600;color: var(--brand-2);white-space: nowrap;transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);}
.sh__action:hover {color: #334a65;background: rgba(34, 211, 238, 0.1);box-shadow: 0 10px 26px -14px rgba(34, 211, 238, 0.9);}
.sh--beam::before {content: "";position: absolute;left: 0;right: 0;bottom: 0;height: 1px;background: linear-gradient(90deg, rgba(124, 92, 255, 0.6), rgba(34, 211, 238, 0.6) 40%, rgba(255, 255, 255, 0.04));}
.sh--beam::after {content: "";position: absolute;bottom: -1px;left: 0;width: 180px;height: 2px;border-radius: 2px;background: linear-gradient(90deg, transparent, #22d3ee, #334a65, transparent);box-shadow: 0 0 18px rgba(34, 211, 238, 0.9);animation: sh-beam 5.5s cubic-bezier(0.65, 0, 0.35, 1) infinite;}
@keyframes sh-beam {0%   { left: -180px; opacity: 0; }12%  { opacity: 1; }88%  { opacity: 1; }100% { left: 100%; opacity: 0; }}

.sh--center {flex-direction: column;align-items: center;text-align: center;padding: 56px 24px 48px;border-radius: 22px;border: 1px solid rgba(255, 255, 255, 0.1);background:radial-gradient(80% 140% at 50% 0%, rgba(124, 92, 255, 0.22), transparent 62%),rgba(255, 255, 255, 0.03);overflow: hidden;}
.sh--center::before {content: "";position: absolute;inset: 0;background-image:linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);background-size: 40px 40px;mask-image: radial-gradient(ellipse 60% 80% at 50% 40%, #000, transparent 72%);-webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 40%, #000, transparent 72%);pointer-events: none;}
.sh--center > * { position: relative; }
.sh--center .sh__main { display: flex; flex-direction: column; align-items: center; }
.sh--center .sh__eyebrow::after { display: none; }
.sh--center .sh__desc { margin-inline: auto; }

/* 响应式 */
@media (max-width: 760px) {
  .sh { gap: 20px; margin-bottom: 28px; }
  .sh--stroke .sh__watermark { font-size: 44px; top: -30px; }
  .sh--chip .sh__corner, .sh--chip .sh__dots { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .sh--beam::after { animation: none; display: none; }
  .sh--chip .sh__dots { animation: none; }
}
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

.steps {display: grid;grid-template-columns: repeat(4, 1fr);gap: 20px;margin: 0;padding: 0;list-style: none;}
.step {position: relative;padding: 28px 22px;border-radius: var(--radius);border: 1px solid var(--line);background: var(--panel);}
.step::after {content: "";position: absolute;right: -12px;top: 50%;width: 10px;height: 10px;border-top: 1px solid var(--line);border-right: 1px solid var(--line);transform: translateY(-50%) rotate(45deg);}
.step__no {font-size: 13px; font-weight: 700; letter-spacing: 0.1em;background: linear-gradient(100deg, var(--brand-2), var(--brand-1));-webkit-background-clip: text; background-clip: text; color: transparent}
.step__tag {display: inline-block;margin-top: 12px;font-size: 11.5px;padding: 3px 10px;border-radius: 999px;color: #0e7490;background: rgba(34, 211, 238, 0.1);border: 1px solid rgba(34, 211, 238, 0.24);}
.step h3 {margin: 10px 0px 8px;font-size: 17px;}
.step p {color: var(--muted);font-size: 14px;margin:0px}

.cards {display: grid;grid-template-columns: repeat(3, 1fr);gap: 20px;}
.course-item {position: relative;padding: 26px;border-radius: var(--radius);border: 1px solid var(--line);background: var(--panel);display: flex;flex-direction: column;overflow: hidden;transition: transform 0.4s var(--ease), border-color 0.4s, background 0.4s;}
.course-item::before {content: "";position: absolute;inset: 0px;border-radius: inherit;padding: 1px;background: linear-gradient(135deg, rgba(124, 92, 255, 0.7), transparent 45%, rgba(34, 211, 238, 0.55));mask-image: linear-gradient(rgb(0, 0, 0) 0px, rgb(0, 0, 0) 0px), linear-gradient(rgb(0, 0, 0) 0px, rgb(0, 0, 0) 0px);-webkit-mask-source-type: auto, auto;-webkit-mask-position-x: 0%, 0%;-webkit-mask-position-y: 0%, 0%;mask-size: auto, auto;mask-repeat: repeat, repeat;mask-origin: content-box, border-box;-webkit-mask: linear-gradient(rgb(0, 0, 0) 0px, rgb(0, 0, 0) 0px) content-box, linear-gradient(rgb(0, 0, 0) 0px, rgb(0, 0, 0) 0px);-webkit-mask-composite: xor;mask-composite: exclude;opacity: 0;transition: opacity 0.4s;}
.course-item:hover {transform: translateY(-6px);background: var(--panel-2);}
.course-item:hover::before {opacity: 1;}
.course-item.is-hidden {display: none;}
.card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card__badge {font-size: 11.5px; padding: 4px 10px; border-radius: 999px; font-weight: 600;color: var(--brand-2); background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.25);}
.card__title {font-size: 19px;line-height: 1.45;}
.card__desc {margin-top: 10px;color: var(--muted);font-size: 14px;}
.card__tags {display: flex;flex-wrap: wrap;gap: 8px;margin-top: 16px;list-style:none}
.card__tags li {font-size: 12px;color: rgb(182, 189, 208);padding: 3px 10px;border-radius: 6px;background: rgba(255, 255, 255, 0.05);}
.card__foot {display: flex;align-items: center;justify-content: space-between;margin-top: auto;padding-top: 20px;border-top: 1px solid var(--line);}
.card__price {font-size: 20px;font-weight: 700;}
.card__go {font-size: 13.5px;color: var(--brand-2);font-weight: 600;}
.card--more {display: grid;place-items: center;text-align: center;background: linear-gradient(150deg, rgba(124, 92, 255, 0.16), rgba(34, 211, 238, 0.1));}
.card--more .card__inner {padding: 10px;}
.card--more .card__desc {margin-bottom: 18px;}


/* ============ 区块 ============ */
.section { position: relative; padding: 40px 0; }
.section--path { background: linear-gradient(180deg, transparent, rgba(124, 92, 255, 0.06), transparent); }
.sec-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 40px;
  margin-bottom: 40px; flex-wrap: wrap;
}
.sec-tag {
  display: inline-block; font-size: 12px; letter-spacing: 0.28em; color: var(--brand-2);
  margin-bottom: 12px; font-weight: 600;
}
.sec-title { font-size: clamp(26px, 3.4vw, 40px); }
.sec-desc { max-width: 440px; color: var(--muted); font-size: 15px; }
.sec-more { color: var(--brand-2); font-size: 14px; font-weight: 600; }

/* ============ 新闻 ============ */
.news { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; }
.news__lead {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--panel); display: flex; flex-direction: column;
  transition: transform 0.4s var(--ease);
}
.news__lead:hover { transform: translateY(-4px); }
.news__thumb {
  position: relative; aspect-ratio: 16 / 8;
  background:
    radial-gradient(120% 120% at 20% 10%, rgba(124, 92, 255, 0.55), transparent 60%),
    radial-gradient(100% 100% at 85% 80%, rgba(34, 211, 238, 0.5), transparent 55%),
    linear-gradient(160deg, #17123a, #0a1b2c);
  overflow: hidden;
}
.news__thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at 60% 40%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 60% 40%, #000, transparent 70%);
}
.news__glow {
  position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: rgba(124, 92, 255, 0.5); filter: blur(60px); top: -60px; right: -40px;
}
.news__tag {
  position: absolute; left: 18px; top: 18px; z-index: 1;
  font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
  background: rgba(5, 7, 15, 0.55); border: 1px solid rgba(255, 255, 255, 0.18); backdrop-filter: blur(6px);color:#334a65;
}
.news__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news__meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--muted); }
.news__meta span { color: var(--brand-2); }
.news__title { font-size: 22px; line-height: 1.4; }
.news__desc { color: var(--muted); font-size: 14.5px; }
.news__link { margin-top: auto; padding-top: 10px; color: var(--brand-2); font-size: 14px; font-weight: 600; }

.news__list { display: flex; flex-direction: column; }
.news__item {
  display: flex; gap: 18px; padding: 20px 4px; align-items: flex-start;
  border-bottom: 1px solid var(--line); transition: padding 0.3s var(--ease), background 0.3s;
}
.news__item:first-child { padding-top: 0; }
.news__item:hover { padding-left: 12px; background: linear-gradient(90deg, rgba(124, 92, 255, 0.08), transparent); }
.news__date {
  min-width: 54px; text-align: center; padding: 8px 0; border-radius: 10px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line);
}
.news__date strong { display: block; font-size: 18px; line-height: 1.2; }
.news__date span { font-size: 11px; color: var(--muted); letter-spacing: 0.08em; }
.news__chip { font-size: 11.5px; color: var(--brand-2); font-weight: 600; }
.news__item h4 { font-size: 16px; margin: 4px 0 6px; line-height: 1.5; }
.news__item p { color: var(--muted); font-size: 13.5px; }

.contact {position: relative;padding: 100px 0;background:radial-gradient(70% 100% at 12% 0%, rgba(124, 92, 255, 0.14), transparent 60%),radial-gradient(60% 90% at 92% 30%, rgba(34, 211, 238, 0.12), transparent 60%);border-top: 1px solid rgba(15, 23, 42, 0.09);}
.contact__grid {display: grid;grid-template-columns: 0.85fr 1.15fr;gap: 40px;align-items: stretch;}
/* ---------- 左侧联系信息 ---------- */
.contact__info {padding: 34px 32px;border-radius: 22px;border: 1px solid rgba(15, 23, 42, 0.11);background: #ffffff;}
.contact__info h3 { font-size: 20px; }
.contact__info > p { margin-top: 10px; font-size: 14.5px; color: #5b6478; }
.contact__list { margin-top: 26px; display: flex; flex-direction: column; gap: 4px; }
.contact__list li {display: flex; align-items: flex-start; gap: 14px;padding: 14px 0; border-bottom: 1px dashed rgba(15, 23, 42, 0.1);}
.contact__list li:last-child { border-bottom: 0; }
.contact__ico {flex: 0 0 auto; width: 36px; height: 36px; border-radius: 10px;display: grid; place-items: center;border: 1px solid rgba(34, 211, 238, 0.3);background: rgba(34, 211, 238, 0.1);}
.contact__ico svg { width: 17px; height: 17px; stroke: #0e9fbd; fill: none; stroke-width: 1.7; }
.contact__list b { display: block; font-size: 12.5px; font-weight: 500; color: #6b7280; letter-spacing: 0.06em; }
.contact__list span { font-size: 15.5px; color: #0f172a; }
.contact__social { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.contact__social a {height: 34px; padding: 0 14px; border-radius: 999px;display: inline-flex; align-items: center; font-size: 13px; color: #5b6478;border: 1px solid rgba(15, 23, 42, 0.13); background: #ffffff;transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);}
.contact__social a:hover { color: #4338ca; border-color: rgba(124, 92, 255, 0.6); background: rgba(124, 92, 255, 0.14); }
/* ---------- 右侧二维码卡片 ---------- */
.contact__qrs {display: grid;grid-template-columns: repeat(3, 1fr);gap: 18px;}
.qrcard {position: relative;padding: 24px 20px 22px;border-radius: 22px;border: 1px solid rgba(15, 23, 42, 0.11);background: linear-gradient(180deg, #ffffff, #ffffff);text-align: center;cursor: pointer;overflow: hidden;transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s, box-shadow 0.4s;}
.qrcard::before {content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;background: linear-gradient(150deg, rgba(124, 92, 255, 0.75), transparent 45%, rgba(34, 211, 238, 0.6));-webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);-webkit-mask-composite: xor; mask-composite: exclude;opacity: 0; transition: opacity 0.4s;}
.qrcard:hover {transform: translateY(-6px);border-color: transparent;box-shadow: 0 22px 50px -28px rgba(124, 92, 255, 0.9);}
.qrcard:hover::before { opacity: 1; }
.qrcard__code {position: relative;width: 100%;max-width: 172px;margin: 0 auto 18px;aspect-ratio: 1;padding: 12px;border-radius: 16px;background: #fff;box-shadow: 0 14px 34px -20px rgba(0, 0, 0, 0.9);overflow: hidden;}
.qrcard__code .qr { width: 100%; height: 100%; }
.qrcard__code .qr svg { width: 100%; height: 100%; display: block; }
/* 中心 Logo */
.qrcard__logo {position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);width: 30%; aspect-ratio: 1; border-radius: 8px;display: grid; place-items: center;background: linear-gradient(135deg, #7c5cff, #22d3ee);color: #fff; font-size: 13px; font-weight: 800; letter-spacing: 0.02em;box-shadow: 0 0 0 3px #fff;}
/* 扫描线 */
.qrcard__scan {position: absolute; left: 8%; right: 8%; height: 2px; border-radius: 2px;background: linear-gradient(90deg, transparent, #22d3ee, transparent);box-shadow: 0 0 14px 2px rgba(34, 211, 238, 0.8);animation: qr-scan 3.2s cubic-bezier(0.65, 0, 0.35, 1) infinite;opacity: 0;}
.qrcard:hover .qrcard__scan, .contact__qrs:hover .qrcard__scan { opacity: 0; }
.qrcard:hover .qrcard__scan { opacity: 1; }
@keyframes qr-scan {
  0%   { top: 10%; opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { top: 90%; opacity: 0; }
}

.qrcard__tag {position: absolute; top: 14px; right: 14px;font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px;color: #0e9fbd; background: rgba(34, 211, 238, 0.12);border: 1px solid rgba(34, 211, 238, 0.28);}
.qrcard h4 { font-size: 16.5px; }
.qrcard p { margin-top: 8px; font-size: 13px; color: #5b6478; min-height: 38px; }
.qrcard__zoom {margin-top: 14px; display: inline-flex; align-items: center; gap: 6px;font-size: 12.5px; color: #334155; font-family: inherit; cursor: pointer;padding: 7px 14px; border-radius: 999px;border: 1px solid rgba(15, 23, 42, 0.15); background: #f7f9fd;transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);}
.qrcard__zoom:hover { color: #0e7490; border-color: rgba(34, 211, 238, 0.6); background: rgba(34, 211, 238, 0.12); }
/* ---------- 放大弹层 ---------- */
.qrmodal {position: fixed; inset: 0; z-index: 200;display: grid; place-items: center;background: rgba(15, 23, 42, 0.45);backdrop-filter: blur(10px);opacity: 0; visibility: hidden;transition: opacity 0.35s, visibility 0.35s;}
.qrmodal.is-open { opacity: 1; visibility: visible; }
.qrmodal__panel {position: relative;width: min(90vw, 360px);padding: 34px 30px 30px;border-radius: 24px;text-align: center;border: 1px solid rgba(15, 23, 42, 0.13);background: #ffffff;box-shadow: 0 40px 90px -40px rgba(15, 23, 42, 0.5);transform: translateY(18px) scale(0.97);transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);}
.qrmodal.is-open .qrmodal__panel { transform: none; }
.qrmodal__close {position: absolute; top: 14px; right: 14px;width: 32px; height: 32px; border-radius: 50%; cursor: pointer;border: 1px solid rgba(15, 23, 42, 0.15); background: rgba(15, 23, 42, 0.05);color: #334155; font-size: 16px; line-height: 1;}
.qrmodal__close:hover { color: #0f172a; background: rgba(15, 23, 42, 0.08); }
.qrmodal__code {width: min(70vw, 240px); aspect-ratio: 1; margin: 0 auto 18px;padding: 14px; border-radius: 18px; background: #fff; position: relative;box-shadow: 0 18px 44px -24px rgba(0, 0, 0, 0.9);}
.qrmodal h4 { font-size: 19px; }
.qrmodal p { margin-top: 8px; font-size: 13.5px; color: #5b6478; }
.qrmodal__hint { margin-top: 16px; font-size: 12.5px; color: #6b7280; }
/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .contact__grid { grid-template-columns: 1fr; }
  .contact__qrs { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .contact { padding: 70px 0; }
  .contact__qrs { grid-template-columns: 1fr; max-width: 340px; margin-inline: auto; }
  .contact__info { padding: 26px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .qrcard__scan { animation: none; }
}
/* ==========================================================
   联系我们 · 深色区块（局部反色）
   ========================================================== */
.contact {color: #eef1f8;border-top: 1px solid rgba(255, 255, 255, 0.12);background:radial-gradient(70% 100% at 12% 0%, rgba(124, 92, 255, 0.24), transparent 60%),radial-gradient(60% 90% at 92% 30%, rgba(34, 211, 238, 0.18), transparent 60%),linear-gradient(180deg, #080d1a, #05070f);}
.contact .contact__info {background: rgba(255, 255, 255, 0.045);border-color: rgba(255, 255, 255, 0.12);}
.contact .contact__info h3 { color: #eef1f8; }
.contact .contact__info > p { color: #98a1b8; }
.contact .contact__list li { border-bottom-color: rgba(255, 255, 255, 0.1); }
.contact .contact__list b { color: #7f8aa5; }
.contact .contact__list span { color: #eef1f8; }
.contact .contact__social a {color: #aab3c9;border-color: rgba(255, 255, 255, 0.14);background: rgba(255, 255, 255, 0.04);}
.contact .contact__social a:hover {color: #fff;border-color: rgba(124, 92, 255, 0.6);background: rgba(124, 92, 255, 0.18);}
.contact .qrcard {background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));border-color: rgba(255, 255, 255, 0.12);}
.contact .qrcard h4 { color: #eef1f8; }
.contact .qrcard p { color: #8f99b3; }
.contact .qrcard__zoom {color: #c6cee3;border-color: rgba(255, 255, 255, 0.14);background: rgba(255, 255, 255, 0.04);}
.contact .qrcard__zoom:hover {color: #fff;border-color: rgba(34, 211, 238, 0.6);background: rgba(34, 211, 238, 0.14);}
.contact .qrcard:hover { box-shadow: 0 22px 50px -26px rgba(124, 92, 255, 0.95); }
