.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%}
ul{list-style:none}

: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;font-weight:650}

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, #0f172a 8%, #4338ca 45%, #0e9fbd 78%, #7c5cff 100%);-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;}
.cards-baike {display: grid;grid-template-columns: repeat(2, 1fr);gap: 20px;}
.course-item {position: relative;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:hover {transform: translateY(-6px);background: var(--panel-2);}
.course-item:hover::before {opacity: 1;}
.course-item.is-hidden {display: none;}
.course-content{padding: 20px;}
.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: 14 / 10;
  background-size:cover;
  background-position: center;
  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;max-height:72px; overflow:hidden}

.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: 15px 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; white-space:nowrap}
.contact__list span { font-size: 15.5px; color: #0f172a; white-space:nowrap}
.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 img{width:100%}
.qrcard__code .qr { width: 100%; height: 100%; }
.qrcard__code .qr svg { width: 100%; height: 100%; display: block; }
/* 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; }
}

.bigcode{width:400px;height:300px;position:fixed;top:calc(50% - 150px);left:calc(50% - 200px)}
.bigcode img{width:200px;height:200px}

.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); }


/*********新闻列表*************/
.npage {position: relative;padding: 46px 0 100px;}
.npage__bg { position: absolute; inset: 0 0 auto; height: 620px; z-index: 0; overflow: hidden; pointer-events: none; }
.npage__bg .grid-lines {position: absolute; inset: -30% -10% 0;background-image:linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);background-size: 62px 62px;mask-image: radial-gradient(ellipse 70% 60% at 40% 30%, #000 25%, transparent 76%);-webkit-mask-image: radial-gradient(ellipse 70% 60% at 40% 30%, #000 25%, transparent 76%);}
.npage__bg .orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.npage__bg .orb--1 { width: 420px; height: 420px; top: -140px; left: -60px; background: #9f93da; animation: float1 14s ease-in-out infinite; }
.npage__bg .orb--2 { width: 380px; height: 380px; top: -40px; right: 4%; background: #929ecf; animation: float2 18s ease-in-out infinite; }
.npage .wrap { position: relative; z-index: 1; }

/* ---------- 头条 ---------- */
.nfeature {display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 0;border: 1px solid rgba(15, 23, 42, 0.11); border-radius: 22px;background: #ffffff; overflow: hidden; margin-bottom: 44px;transition: border-color 0.4s, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);}
.nfeature:hover { border-color: rgba(34, 211, 238, 0.35); transform: translateY(-4px); }
.nfeature__thumb {position: relative; min-height: 300px;background-repeat: no-repeat;
}
.nfeature__tag {
  position: absolute; left: 20px; top: 20px; z-index: 1;
  font-size: 12px; font-weight: 700; padding: 5px 13px; border-radius: 999px;
  background: rgba(5, 7, 15, 0.55); border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px); color: #fff;
}
.nfeature__body { padding: 34px 34px 30px; display: flex; flex-direction: column; gap: 12px; }
.nfeature__body h2 { font-size: clamp(21px, 2.4vw, 28px); line-height: 1.4; }
.nfeature__body h2:hover { color: #0e9fbd; }
.nfeature__body p { color: #5b6478; font-size: 14.8px; }
.nfeature__link { margin-top: auto; padding-top: 8px; color: #0e9fbd; font-weight: 600; font-size: 14.5px; }

.nmeta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12.5px; color: #6b7280; }
.nmeta span:first-child { color: #0e9fbd; }

/* ---------- 工具栏 ---------- */
.ntoolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap; margin-bottom: 30px;
}
.nsearch {
  position: relative; display: flex; align-items: center;
  width: min(320px, 100%); height: 42px;
}
.nsearch__icon {
  position: absolute; left: 15px; width: 16px; height: 16px;
  stroke: #6b7280; fill: none; stroke-width: 1.7; pointer-events: none;
}
.nsearch__btn {
  position: absolute; right: 4px;
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center; padding: 0;
  border: 0; color: #fff;
  background: linear-gradient(100deg, #7c5cff, #22d3ee);
  box-shadow: 0 8px 20px -10px rgba(124, 92, 255, 0.9);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s;
}
.nsearch__btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.nsearch__btn:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -10px rgba(34, 211, 238, 0.9); }
.nsearch__btn:active { transform: scale(0.94); }
.nsearch input {
  width: 100%; height: 100%; padding: 0 46px 0 40px; border-radius: 999px;
  background: rgba(15, 23, 42, 0.05); border: 1px solid rgba(15, 23, 42, 0.11);
  color: #0f172a; font-size: 14px; font-family: inherit; outline: none;
  transition: border-color 0.3s, background 0.3s;
}
.nsearch input::placeholder { color: #6b7280; }
.nsearch input:focus { border-color: rgba(34, 211, 238, 0.6); background: rgba(34, 211, 238, 0.06); }
.nchips { display: flex; gap: 8px; flex-wrap: wrap; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.chip {height: 36px; padding: 0 18px; border-radius: 999px; cursor: pointer;border: 1px solid var(--line); background: transparent; color: var(--muted);font-size: 13.5px; font-family: inherit; transition: all 0.28s var(--ease);}
.chip:hover { color: var(--text); border-color: rgba(15, 23, 42, 0.28); }
.chip.is-active {color: #fff; border-color: transparent;background: linear-gradient(100deg, var(--brand-1), var(--brand-2));}

/* ---------- 新闻卡片 ---------- */
.ngrid {display: grid;grid-template-columns: repeat(4, minmax(0, 1fr));gap: 20px;}
.ncard {display: flex; flex-direction: column;border: 1px solid rgba(15, 23, 42, 0.1); border-radius: 18px;background: #ffffff; overflow: hidden;transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s, background 0.4s;}
.ncard:hover { transform: translateY(-5px); border-color: rgba(124, 92, 255, 0.4); background: rgba(15, 23, 42, 0.06); }
.ncard.is-hidden { display: none; }

.ncard__thumb {position: relative; aspect-ratio: 14 / 10; overflow: hidden;}

.ncard__cat {
  position: absolute; left: 14px; top: 14px; z-index: 1;
  font-size: 11.5px; font-weight: 600; padding: 4px 11px; border-radius: 999px;
  color: #fff; background: rgba(5, 7, 15, 0.5);
  border: 1px solid rgba(15, 23, 42, 0.2); backdrop-filter: blur(6px);
}
.ncard__body { padding: 20px 20px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ncard__body h3 { font-size: 17px; line-height: 1.5; font-weight: 650; }
.ncard__body h3 a { transition: color 0.25s; }
.ncard__body h3 a:hover { color: #0e9fbd; }
.ncard__body p { color: #5b6478; font-size: 13.8px; max-height:100px;overflow:auto}
.ncard__foot {
  display: flex; align-items: center; gap: 14px; margin-top: auto; padding-top: 14px;
  border-top: 1px solid rgba(15, 23, 42, 0.09); font-size: 12.5px; color: #6b7280;
}

/* 空状态 / 加载更多 */
.nempty { padding: 60px 0; text-align: center; color: #6b7280; font-size: 14.5px; }
.nmore { display: flex; justify-content: center; margin-top: 40px; }
.nmore .btn:disabled { opacity: 0.45; cursor: default; transform: none; }

/* ---------- 侧栏 ---------- */
.nside { position: sticky; top: 92px; display: flex; flex-direction: column; gap: 18px; }
.nside__card {
  padding: 24px 22px; border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.1); background: #ffffff;
}
.nside__card h4 { font-size: 15px; margin-bottom: 16px; }

.nrank { display: flex; flex-direction: column; }
.nrank li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed rgba(15, 23, 42, 0.1); }
.nrank li:last-child { border-bottom: 0; }
.nrank span {
  flex: 0 0 20px; height: 20px; border-radius: 6px; display: grid; place-items: center;
  font-size: 11.5px; font-weight: 700; color: #0f172a;
  background: linear-gradient(135deg, #22d3ee, #7c5cff);
}
.nrank li:nth-child(n+4) span { background: rgba(15, 23, 42, 0.11); color: #5b6478; }
.nrank a { font-size: 13.8px; color: #334155; line-height: 1.5; transition: color 0.25s; }
.nrank a:hover { color: #0e9fbd; }

.ntags { display: flex; flex-wrap: wrap; gap: 8px; }
.ntags a {
  font-size: 12.5px; padding: 5px 12px; border-radius: 8px; color: #5b6478;
  border: 1px solid rgba(15, 23, 42, 0.11); background: rgba(255, 255, 255, 0.035);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.ntags a:hover { color: #0e7490; border-color: rgba(34, 211, 238, 0.6); background: rgba(34, 211, 238, 0.12); }

.nside__card--sub {
  background: linear-gradient(160deg, rgba(124, 92, 255, 0.16), rgba(34, 211, 238, 0.08));
  border-color: rgba(124, 92, 255, 0.32);
}
.nside__card--sub p { font-size: 13px; color: #5b6478; margin-bottom: 16px; }
.nside__card--sub form { display: flex; flex-direction: column; gap: 10px; }
.nside__card--sub input {
  height: 42px; padding: 0 16px; border-radius: 999px; font-family: inherit; font-size: 14px;
  background: #ffffff; border: 1px solid rgba(15, 23, 42, 0.14);
  color: #0f172a; outline: none; transition: border-color 0.3s;
}
.nside__card--sub input::placeholder { color: #6b7280; }
.nside__card--sub input:focus { border-color: rgba(34, 211, 238, 0.6); }
.nside__card--sub .btn { height: 42px; }

/* 导航高亮 */
.nav__menu a.is-active { color: #0f172a; }
.nav__menu a.is-active::after { right: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .nlayout { grid-template-columns: 1fr; }
  .nside { position: static; flex-direction: row; flex-wrap: wrap; }
  .nside__card { flex: 1 1 280px; }
  .ngrid {display: grid;grid-template-columns: repeat(3, minmax(0, 1fr));gap: 20px;}
}
@media (max-width: 860px) {
    .ngrid {display: grid;grid-template-columns: repeat(2, minmax(0, 1fr));gap: 20px;}
  .nfeature { grid-template-columns: 1fr; }
  .nfeature__thumb { min-height: 200px; }
  .nfeature__body { padding: 26px 22px; }
}
@media (max-width: 680px) {
  .npage { padding: 30px 0 70px; }
  .ngrid { grid-template-columns: 1fr; }
  .npage__stat { text-align: left; }
  .nside { flex-direction: column; }
  .ntoolbar { gap: 14px; }
  .nsearch { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .npage__bg .orb { animation: none; }
}

/********新闻详情***********/
.article__head {margin-bottom: 30px;}
.article__main { min-width: 0; padding-top:30px}
.article__cat {
  display: inline-block; font-size: 12.5px; font-weight: 600; padding: 5px 13px; border-radius: 999px;
  color: #0e7490; background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.3);
}
.article__title {
  margin: 18px 0 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.25; font-weight: 800;
  letter-spacing: -0.015em; color: #0b1220;
}
.article__lead {
  margin-top: 18px; padding-left: 16px; font-size: 16.5px; line-height: 1.8; color: #475569;
  border-left: 3px solid;
  border-image: linear-gradient(180deg, #22d3ee, #7c5cff) 1;
}
.article__meta {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin-top: 24px; padding-top: 18px; font-size: 13px; color: #6b7280;
  border-top: 1px solid rgba(15, 23, 42, 0.1);
}
.article__author { display: inline-flex; align-items: center; gap: 8px; color: #0f172a; font-weight: 600; }
.article__author i {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  font-style: normal; font-size: 12px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #7c5cff, #22d3ee);
}

/* 封面 */
.article__cover {
  position: relative; margin: 0 0 38px; aspect-ratio: 16 / 7; border-radius: 20px; overflow: hidden;
  background: linear-gradient(140deg, #4a2fb8 0%, #1b6f8c 55%, #0d1b2c 100%);
  box-shadow: 0 20px 44px -28px rgba(15, 23, 42, 0.7);
}
.article__cover::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(70% 70% at 60% 30%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(70% 70% at 60% 30%, #000, transparent 76%);
}
.article__cover span {
  position: absolute; left: 26px; bottom: 22px;
  font-size: 13px; letter-spacing: 0.2em; color: rgba(255, 255, 255, 0.85);
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22); background: rgba(5, 7, 15, 0.35);
  backdrop-filter: blur(6px);
}

/* ---------- 正文排版 ---------- */
.article__body { font-size: 16.5px; line-height: 1.9; color: #243044; }
.article__body > p { margin: 0 0 20px; }
.article__body h2 {
  margin: 44px 0 18px; padding-left: 14px;
  font-size: 22px; font-weight: 750; color: #0b1220;
  border-left: 4px solid;
  border-image: linear-gradient(180deg, #22d3ee, #7c5cff) 1;
}


/******************************/
/***********专家页面**********/
/******************************/
.elayout {display: grid;grid-template-columns: 264px minmax(0, 1fr);gap: 32px;align-items: start;}
.efilter { position: sticky; top: 92px; display: flex; flex-direction: column; gap: 16px; }
.efilter__card {
  padding: 22px 18px; border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.1); background: #ffffff;
  box-shadow: 0 14px 36px -26px rgba(15, 23, 42, 0.55);
}
.efilter__card h4 { font-size: 15px; margin-bottom: 14px; }
.nsearch--block { width: 100%; margin-bottom: 14px; }

.efilter__list { display: flex; flex-direction: column; gap: 2px; }
.efilter__item {
  position: relative; width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 10px 12px 10px 14px; border-radius: 10px; cursor: pointer;
  font-family: inherit; font-size: 14px; text-align: left; color: #475569;
  background: transparent; border: 0;
  transition: background 0.28s, color 0.28s;
}
.efilter__item::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 0; border-radius: 3px;
  background: linear-gradient(180deg, #22d3ee, #7c5cff);
  transition: height 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.efilter__item:hover { background: rgba(124, 92, 255, 0.07); color: #0f172a; }
.efilter__item.is-active { background: rgba(124, 92, 255, 0.1); color: #4338ca; font-weight: 600; }
.efilter__item.is-active::before { height: 18px; }
.efilter__item i {
  font-style: normal; font-size: 12px; color: #6b7280;
  min-width: 22px; padding: 1px 7px; border-radius: 999px; text-align: center;
  background: rgba(15, 23, 42, 0.06);
}
.efilter__item.is-active i { color: #4338ca; background: rgba(124, 92, 255, 0.18); }

.efilter__reset {
  width: 100%; margin-top: 14px; height: 38px; cursor: pointer;
  font-family: inherit; font-size: 13.5px; font-weight: 600; color: #6b7280;
  background: #ffffff; border: 1px solid rgba(15, 23, 42, 0.12); border-radius: 999px;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.efilter__reset:hover { color: #0e7490; border-color: rgba(34, 211, 238, 0.55); background: rgba(34, 211, 238, 0.1); }

.efilter__cta p { font-size: 13px; color: #5b6478; margin-bottom: 14px; }
.efilter__cta .btn { width: 100%; }
/* ---------- 专家卡片 ---------- */
.egrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

.ecard {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: 26px 24px 22px; border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, 0.1); background: #ffffff;
  box-shadow: 0 14px 36px -26px rgba(15, 23, 42, 0.55);
  overflow: hidden;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s, box-shadow 0.4s;
}
.ecard:hover { transform: translateY(-6px); border-color: transparent; box-shadow: 0 24px 54px -28px rgba(124, 92, 255, 0.75); }
.ecard:hover::before { opacity: 1; }
.ecard.is-hidden { display: none; }

.ecard__tag {
  position: absolute; top: 16px; right: 16px;
  font-size: 11.5px; font-weight: 600; padding: 3px 10px; border-radius: 999px;
  color: #0e7490; background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.3);
}

.ecard__head { display: flex; align-items: center; gap: 14px; }
.ecard__avatar {
  flex: 0 0 54px; width: 54px; height: 54px; border-radius: 16px;
  display: grid; place-items: center;
  font-size: 22px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #7c5cff, #22d3ee);
  box-shadow: 0 10px 24px -14px rgba(124, 92, 255, 0.95);
}
.ecard__head h3 { font-size: 18px; line-height: 1.35; }
.ecard__head p { margin-top: 5px; font-size: 12.8px; color: #6b7280; line-height: 1.55; }
.ecard__head img{width:50px;height:50px;border-radius:50%}

.ecard__desc { font-size: 13.8px; line-height: 1.75; color: #5b6478; }

.ecard__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.ecard__tags li {
  font-size: 12px; color: #4338ca; padding: 4px 10px; border-radius: 7px;
  background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.2);
}

.ecard__stats {
  display: flex; gap: 22px; padding-top: 14px; font-size: 12.5px; color: #6b7280;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}
.ecard__stats b { font-size: 15px; color: #0f172a; margin-right: 4px; }

.ecard__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ecard__link { font-size: 13.5px; font-weight: 600; color: #0e9fbd; }
.ecard__link:hover { color: #4338ca; }
.ecard__foot .btn { height: 38px; padding: 0 18px; font-size: 13.5px; }

/* ---------- Hero ---------- */
.xhero { position: relative; padding: 34px 0 46px; }
.xhero__bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.xhero__bg .grid-lines {
  position: absolute; inset: -40% -10% 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.16) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 78% 70% at 42% 34%, #000 22%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 78% 70% at 42% 34%, #000 22%, transparent 76%);
}
.xhero__bg .orb { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.55; }
.xhero__bg .orb--1 { width: 460px; height: 460px; top: -170px; left: -70px; background: #4b2fd6; animation: float1 14s ease-in-out infinite; }
.xhero__bg .orb--2 { width: 400px; height: 400px; top: -70px; right: 3%; background: #11657f; animation: float2 18s ease-in-out infinite; }
.xhero .wrap { position: relative; z-index: 1; }

.crumb--light { color: rgba(226, 232, 240, 0.72); }
.crumb--light a { color: inherit; }
.crumb--light a:hover { color: #fff; }
.crumb--light em { color: #fff; }

.xhero__card {
  display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px;
  padding: 38px 36px; border-radius: 26px; overflow: hidden;
  position: relative;
  background:
    radial-gradient(120% 140% at 8% 0%, rgba(124, 92, 255, 0.42), transparent 58%),
    linear-gradient(135deg, #0b1024 0%, #06121f 55%, #05070f 100%);
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: 0 34px 80px -46px rgba(76, 47, 214, 0.9);
}
.xhero__main { position: relative; z-index: 1; }
.xhero__id { display: flex; gap: 24px; align-items: flex-start; }
.xhero__avatar {
    flex: 0 0 auto;
    width: 104px;
    height: 104px;
    border-radius: 26px;
    box-shadow: 0 18px 40px -18px rgba(34, 211, 238, 0.9);

}
.xhero__badge {
  display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em;
  padding: 3px 10px; border-radius: 999px;
  color: #9fe9f7; background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.32);
}
.xhero__name {
  margin: 10px 0 6px; font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; color: #fff;
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.xhero__name em {
  font-style: normal; font-size: 13px; font-weight: 500; letter-spacing: 0.16em;
  color: rgba(226, 232, 240, 0.6);
}
.xhero__title { font-size: 15px; color: rgba(226, 232, 240, 0.82); }
.xhero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.xhero__tags li {
  font-size: 12.5px; padding: 4px 11px; border-radius: 999px;
  color: rgba(226, 232, 240, 0.88);
  background: rgba(148, 163, 184, 0.14); border: 1px solid rgba(148, 163, 184, 0.24);
}
.xhero__actions { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.btn--light {
  color: #e2e8f0; background: rgba(148, 163, 184, 0.1);
  border-color: rgba(148, 163, 184, 0.32);
}
.btn--light:hover { color: #fff; border-color: rgba(34, 211, 238, 0.6); background: rgba(34, 211, 238, 0.14); }
.btn--light.is-follow { color: #0b1024; background: linear-gradient(120deg, #22d3ee, #7c5cff); border-color: transparent; }

.xhero__stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
  margin-top: 30px; padding-top: 24px; border-top: 1px solid rgba(148, 163, 184, 0.2);
}
.xhero__stats li { display: flex; flex-direction: column; gap: 4px; }
.xhero__stats b {
  font-size: 26px; font-weight: 800; line-height: 1;
  background: linear-gradient(100deg, #22d3ee, #7c5cff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.xhero__stats span { font-size: 12.5px; color: rgba(226, 232, 240, 0.62); }

.xhero__side {
  position: relative; z-index: 1; padding: 24px 22px; border-radius: 20px;
  background: rgba(148, 163, 184, 0.08); border: 1px solid rgba(148, 163, 184, 0.2);
}
.xhero__side h4 { font-size: 14px; color: #fff; margin-bottom: 16px; }
.xhero__side .xaside__list { gap: 14px; }
.xhero__side .xaside__list li { border-bottom: 1px solid rgba(148, 163, 184, 0.16); padding-bottom: 12px; }
.xhero__side .xaside__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.xhero__side .xaside__list b { color: rgba(226, 232, 240, 0.6); }
.xhero__side .xaside__list span { color: #fff; font-weight: 500; }
.xhero__note { margin-top: 18px; font-size: 11.5px; color: rgba(226, 232, 240, 0.45); }
/* ---------- 布局 ---------- */
.xlayout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start; padding: 44px 0 90px; }
.xlayout__main { min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.xsec { scroll-margin-top: 140px; }

.xpanel {
  padding: 26px 26px 24px; border-radius: 20px; margin-bottom: 20px;
  background: #ffffff; border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 14px 36px -28px rgba(15, 23, 42, 0.55);
}
.xpanel h3 { font-size: 16px; margin-bottom: 14px; }
.xpanel p { font-size: 14.5px; line-height: 1.85; color: #475569; }
.xpanel p + p { margin-top: 10px; }

.xgrid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.xgrid2 .xpanel { margin-bottom: 0; }

/* 获奖经历 */
.xskill { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
.xskill li { display: flex; gap: 12px; align-items: baseline; font-size: 13.5px; color: #5b6478; }
.xskill span {
  flex: 0 0 auto; min-width: 30px; text-align: center; font-size: 12px; font-weight: 600;
  padding: 3px 8px; border-radius: 8px; color: #4338ca;
  background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.22);
}
.xserve {
  padding: 12px 14px; border-radius: 12px; font-size: 13px; color: #0e7490;
  background: rgba(34, 211, 238, 0.1); border: 1px dashed rgba(34, 211, 238, 0.4);
}

/* ---------- 成果展示 ---------- */
.xworks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.xwork {
  display: flex; flex-direction: column; border-radius: 20px; overflow: hidden;
  background: #ffffff; border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 14px 36px -28px rgba(15, 23, 42, 0.55);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s, border-color 0.4s;
}
.xwork:hover { transform: translateY(-6px); border-color: rgba(124, 92, 255, 0.4); box-shadow: 0 24px 54px -28px rgba(124, 92, 255, 0.7); }

.xwork__pic {
  position: relative; display: grid; place-items: center; gap: 8px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  overflow: hidden;
}
.xwork__pic img { position: relative; width: 100%; object-fit: cover; display: block; }
.xwork__pic.has-img { background: rgba(15, 23, 42, 0.04); }
.xwork__pic.has-img::before, .xwork__pic.has-img svg, .xwork__pic.has-img span { display: none; }

.xwork__body { display: flex; flex-direction: column; gap: 10px; padding: 22px 22px 24px; }
.xwork__tag {
  align-self: flex-start; font-size: 11.5px; font-weight: 600; padding: 3px 10px; border-radius: 999px;
  color: #0e7490; background: rgba(34, 211, 238, 0.12); border: 1px solid rgba(34, 211, 238, 0.3);
}
.xwork__body h3 { font-size: 16.5px; line-height: 1.5; }
.xwork__body p { font-size: 13.8px; line-height: 1.8; color: #5b6478; }
.xwork__meta {
  display: flex; flex-wrap: wrap; gap: 16px; margin-top: auto; padding-top: 14px;
  border-top: 1px solid rgba(15, 23, 42, 0.08); font-size: 12.5px; color: #6b7280;
}
.xwork__meta b { color: #4338ca; font-size: 14px; margin-right: 3px; }


/* 时间线 */
.xtimeline { display: flex; flex-direction: column; gap: 20px; padding-left: 20px; position: relative; }
.xtimeline::before {
  content: ""; position: absolute; left: 4px; top: 6px; bottom: 6px; width: 1px;
  background: linear-gradient(180deg, #22d3ee, rgba(124, 92, 255, 0.35), transparent);
}
.xtimeline li { position: relative; }
.xtimeline__dot {
  position: absolute; left: -20px; top: 5px; width: 9px; height: 9px; border-radius: 50%;
  background: linear-gradient(140deg, #22d3ee, #7c5cff);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.16);
}
.xtimeline b { font-size: 12px; color: #7c5cff; letter-spacing: 0.04em; }
.xtimeline h4 { font-size: 14.5px; margin: 5px 0 6px; }
.xtimeline p { font-size: 13.5px; line-height: 1.75; color: #5b6478; }

/* ---------- 侧栏 ---------- */
.xaside { position: sticky; top: 148px; display: flex; flex-direction: column; gap: 16px; }
.xaside__book { border-color: rgba(124, 92, 255, 0.28); background: linear-gradient(180deg, #ffffff, #f7f6ff); }
.xaside__book p { font-size: 13px; color: #5b6478; margin-bottom: 16px; }
.xaside__book .btn { width: 100%; margin-top: 4px; }
.xaside__list { display: flex; flex-direction: column; gap: 10px; }
.xaside__list li { display: flex; align-items: baseline; gap: 10px; font-size: 13.5px; }
.xaside__list b { flex: 0 0 66px; font-weight: 500; color: #6b7280; }
.xaside__list span { color: #334155; }

.xaside__rel { display: flex; flex-direction: column; gap: 14px; }
.xaside__rel li { display: flex; align-items: center; gap: 12px; margin-bottom:20px}
.xaside__rel li > img {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 50%;
}
.xaside__rel div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.xaside__rel b { font-size: 14px; color:#000}
.xaside__rel i { font-style: normal; font-size: 12px; color: #6b7280; }
.xaside__rel a { margin-left: auto; font-size: 12.5px; color: #4338ca; white-space: nowrap; }


/* ---------- 锚点子导航 ---------- */
.tabbtn:hover{cursor:pointer}
.xnav {
  position: sticky; top: 72px; z-index: 20;
  background: rgba(245, 247, 252, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.xnav__inner { display: flex; align-items: center; gap: 6px; height: 58px; }
.xnav a {
  position: relative; padding: 8px 4px; margin-right: 22px;
  font-size: 15px; font-weight: 600; color: #5b6478;
  transition: color 0.3s;
}
.xnav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, #22d3ee, #7c5cff);
  transform: scaleX(0); transform-origin: left; transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}
.xnav a:hover { color: #0f172a; }
.xnav a.is-active { color: #4338ca; }
.xnav a.is-active::after { transform: scaleX(1); }
.xnav__hint { margin-left: auto; font-size: 12.5px; color: #6b7280; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .xhero__card { grid-template-columns: 1fr; }
  .xlayout { grid-template-columns: 1fr; }
  .xaside { position: static; }
  .xnav__hint { display: none; }
}
@media (max-width: 760px) {
  .xhero__id { flex-direction: column; gap: 18px; }
  .xhero__avatar { width: 84px; height: 84px; font-size: 34px; border-radius: 22px; }
  .xhero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 10px; }
  .xhero__card { padding: 28px 22px; }
  .xgrid2, .xcourses { grid-template-columns: 1fr; }
  .xnav__inner { gap: 0; }
  .xnav a { margin-right: 16px; font-size: 14px; }
  .xwiki__head { padding: 16px; gap: 10px; flex-wrap: wrap; }
  .xwiki__head h3 { width: 100%; order: 3; font-size: 15px; }
  .xworks { display: block }
  .cards {grid-template-columns: repeat(2, 1fr);}
}

@media (prefers-reduced-motion: reduce) {
  .xhero__bg .orb, .xbar i::after { animation: none; }
}