/* 就是老陈 —— 主题主样式 */

:root{
  --ink:#26282b; --ink-2:#454f4a; --sub:#7b8288; --faint:#a2aaa6;
  --line:#e6ece9; --line-2:#eef3f0;
  --card:rgba(255,255,255,.72); --card-solid:#ffffff;
  --green:#29b37b; --green-deep:#1d7a56; --blue:#3aa0f0;
  --bg:#fcfdfc; --shadow:0 18px 44px -30px rgba(41,120,90,.45);
  --mono:ui-monospace,Menlo,Consolas,monospace;
  --hand:"LXGW WenKai","LXGW WenKai Lite","Kaiti SC","STKaiti",serif;
}
[data-theme="dark"]{
  --ink:#e8ece9; --ink-2:#b8c2bd; --sub:#8b948f; --faint:#6f7773;
  --line:#242b28; --line-2:#1c2220;
  --card:rgba(30,36,33,.72); --card-solid:#1a201d;
  --green:#3ecb92; --green-deep:#6ee0b4; --blue:#5cb2f5;
  --bg:#0e1311; --shadow:0 18px 44px -30px rgba(0,0,0,.8);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 6% -8%, rgba(154,232,197,.55), transparent 62%),
    radial-gradient(760px 460px at 62% -4%, rgba(180,214,246,.45), transparent 60%),
    radial-gradient(560px 380px at 98% 6%, rgba(226,240,214,.4), transparent 60%);
  background-repeat:no-repeat;background-attachment:fixed;
  min-height:100vh;padding-bottom:60px;
}
[data-theme="dark"] body{
  background-image:
    radial-gradient(900px 520px at 6% -8%, rgba(38,120,92,.35), transparent 62%),
    radial-gradient(760px 460px at 62% -4%, rgba(40,80,130,.32), transparent 60%),
    radial-gradient(560px 380px at 98% 6%, rgba(60,90,50,.25), transparent 60%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.w{max-width:1060px;margin:0 auto;padding:0 34px}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:14px;z-index:20;max-width:900px;margin:14px auto 0;display:flex;align-items:center;justify-content:space-between;
  background:var(--card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:999px;padding:9px 12px 9px 14px;
  box-shadow:0 10px 30px -18px rgba(41,120,90,.35)}
.brand{display:flex;align-items:center;gap:9px;white-space:nowrap;color:var(--ink-2)}
.mark{width:22px;height:22px;border-radius:50%;background:conic-gradient(from 210deg,#9ae8c5,#8fd0f2,#d9e9c9,#9ae8c5);flex:none}
.brand b{display:block;font-size:12.5px;font-weight:500;letter-spacing:.02em}
.brand i{display:block;font-style:normal;font-size:9px;color:var(--faint);letter-spacing:.16em;line-height:1.1}
.menus{display:flex;gap:4px;font-size:13.5px}
.menus a{padding:6px 12px;border-radius:999px;color:var(--ink-2);white-space:nowrap}
.menus a:hover{background:rgba(41,120,90,.08)}
.menus a.on{background:rgba(41,179,123,.14);color:var(--green-deep);font-weight:500}
.acts{display:flex;gap:6px;align-items:center}
.ico{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(41,120,90,.07);color:var(--sub);cursor:pointer;border:0;font-size:13px}
.ico:hover{background:rgba(41,120,90,.14)}

/* ---------- 首屏 ---------- */
.hero{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;padding:78px 0 56px}
.h1{font-size:31px;line-height:1.62;letter-spacing:.01em;font-weight:400}
.hw{font-family:var(--hand);font-size:35px;font-style:italic;font-weight:600;letter-spacing:.02em;
  background:linear-gradient(100deg,#1f9d6b,#38b6a0 45%,#3aa0f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad{background:linear-gradient(100deg,#1f9d6b,#3aa0f0);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:500}
.loc{margin-top:16px;font-size:12.5px;color:var(--faint);letter-spacing:.04em}
.avatar{position:relative;flex:none;margin-top:4px}
.ava{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#cfeee0,#bcd9f2);color:#2c6a55;
  font-family:var(--hand);font-size:30px;box-shadow:0 14px 34px -16px rgba(41,120,90,.5)}
.hi{position:absolute;left:-28px;top:24px;background:var(--card);backdrop-filter:blur(8px);border:1px solid var(--line);
  border-radius:999px;padding:4px 9px;font-size:10px;letter-spacing:.14em;color:var(--sub)}
.hi::after{content:"";position:absolute;right:-5px;top:10px;width:8px;height:8px;background:var(--card-solid);border-radius:2px;
  transform:rotate(45deg);border-right:1px solid var(--line);border-top:1px solid var(--line)}

/* ---------- 分区标题 ---------- */
.sect{text-align:center;margin:18px 0 30px}
.tagline{font-family:var(--hand);font-style:italic;font-size:12px;color:var(--faint);letter-spacing:.06em}
.st{position:relative;display:inline-block;font-size:22px;font-weight:600;margin-top:3px;letter-spacing:.02em}
.st::after{content:"";position:absolute;left:-10px;right:-10px;bottom:-9px;height:10px;opacity:.9;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='12' viewBox='0 0 200 12'><path d='M2 8 C40 2,70 10,105 5 S170 2,198 6' stroke='%23bfe6d3' stroke-width='3' fill='none' stroke-linecap='round'/></svg>") no-repeat center/100% 100%}

/* ---------- 文章列表卡 ---------- */
.cardbox{background:var(--card);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:22px;padding:28px 32px;box-shadow:var(--shadow)}
.cbhead{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}
.cbhead span{font-size:13px;color:var(--sub);letter-spacing:.1em}
.tl{position:relative;padding-left:18px}
.tl::before{content:"";position:absolute;left:4px;top:8px;bottom:14px;width:1.5px;
  background:linear-gradient(rgba(41,179,123,.5),rgba(58,160,240,.2))}
.it{position:relative;padding:7px 0;display:flex;justify-content:space-between;gap:16px;align-items:baseline}
.it::before{content:"";position:absolute;left:-18px;top:15px;width:7px;height:7px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 3px rgba(41,179,123,.14)}
.it a{font-size:14.5px;color:var(--ink);line-height:1.6}
.it a:hover{color:var(--green-deep)}
.it span{font-size:11.5px;color:var(--faint);flex:none;letter-spacing:.02em}
.more{display:block;text-align:right;margin-top:14px;font-size:12px;color:var(--sub)}
.more b{color:var(--green);font-weight:400;margin-right:4px}

/* ---------- 项目 ---------- */
.projs{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.pj{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:var(--shadow)}
.pjtop{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--sub);padding:2px 6px 12px}
.dot{width:20px;height:20px;border-radius:50%;background:rgba(41,179,123,.12);display:grid;place-items:center;font-size:9px;color:var(--green-deep)}
.shot{height:186px;border-radius:14px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;
  background:radial-gradient(600px 200px at 12% 0%,rgba(90,220,170,.9),transparent 60%),
    radial-gradient(400px 220px at 88% 20%,rgba(90,160,240,.85),transparent 62%),
    linear-gradient(120deg,#0f2a22,#12323f 60%,#0f2436)}
.shot.alt{background:radial-gradient(500px 200px at 30% 10%,rgba(120,235,180,.85),transparent 58%),
    radial-gradient(420px 240px at 76% 46%,rgba(70,140,235,.9),transparent 60%),
    linear-gradient(120deg,#0b2320,#0e3346 55%,#101a33)}
.shot b{font-family:var(--hand);font-style:italic;font-size:26px;color:#eaf6ef;font-weight:500;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.shot small{font-size:12px;color:#b9d6cd;margin-top:6px}

/* ---------- 关于我 ---------- */
.aboutcard{margin-top:6px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px 32px;
  font-size:14px;line-height:2.05;color:var(--ink-2)}
.aboutcard b{color:var(--green-deep);font-weight:600}

.foot{display:flex;justify-content:space-between;margin-top:44px;font-size:11.5px;color:var(--faint);letter-spacing:.08em}
.up{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;background:var(--card);
  backdrop-filter:blur(10px);border:1px solid var(--line);display:grid;place-items:center;color:var(--green-deep);
  box-shadow:0 10px 24px -14px rgba(0,0,0,.3);font-size:14px}

/* ---------- 文章页 ---------- */
.sheet{background:var(--card);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:24px;
  padding:46px 52px;box-shadow:var(--shadow);margin-top:52px}
.sheet h1{font-size:27px;line-height:1.55;font-weight:600;letter-spacing:.01em;margin-bottom:14px}
.meta{display:flex;gap:18px;align-items:center;font-size:11.5px;color:var(--faint);letter-spacing:.04em;
  padding-bottom:22px;border-bottom:1px solid var(--line-2);margin-bottom:30px}
.meta .pill{background:rgba(41,179,123,.12);color:var(--green-deep);padding:3px 10px;border-radius:999px;font-size:11px}
.content{font-size:15.5px;line-height:2.05;color:var(--ink-2)}
.content h2{font-size:19px;color:var(--ink);margin:36px 0 14px;font-weight:600;letter-spacing:.01em}
.content h3{font-size:16px;color:var(--ink);margin:26px 0 10px;font-weight:600}
.content p{margin:0 0 18px}
.content a{color:var(--green-deep);border-bottom:1px solid rgba(41,179,123,.35)}
.content ul,.content ol{margin:0 0 18px;padding-left:24px}
.content li{margin:6px 0}
.content blockquote{margin:22px 0;padding:14px 20px;border-left:3px solid rgba(41,179,123,.45);
  background:rgba(41,179,123,.06);border-radius:0 10px 10px 0;color:var(--sub);font-size:14.5px}
.content code{font-family:var(--mono);font-size:13px;background:rgba(41,120,90,.08);padding:2px 6px;border-radius:5px}
.content pre{background:#141a18;color:#dfeae5;padding:18px 20px;border-radius:12px;overflow:auto;margin:22px 0;font-size:13px;line-height:1.75}
.content pre code{background:none;padding:0;color:inherit}
.content img{border-radius:14px;margin:20px 0}
.content hr{border:0;height:1px;background:var(--line-2);margin:32px 0}
.pager{display:flex;justify-content:space-between;gap:18px;margin-top:40px}
.pager a{flex:1;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 20px;font-size:13px;color:var(--sub)}
.pager a b{display:block;color:var(--ink);font-weight:500;margin-top:4px;font-size:14px}
.pager a:hover{border-color:rgba(41,179,123,.35)}

/* ---------- 归档 ---------- */
.yearsec{margin-top:26px}
.yhead{display:flex;align-items:baseline;gap:12px;margin:30px 0 12px}
.yhead h3{font-family:var(--hand);font-size:22px;font-style:italic;color:var(--green-deep);font-weight:600}
.yhead span{font-size:11px;color:var(--faint);letter-spacing:.1em}
.yhead .ln{flex:1;height:1px;background:var(--line)}

/* ---------- 404 ---------- */
.nf{text-align:center;padding:120px 0 60px}
.nf .big{font-family:var(--hand);font-style:italic;font-size:88px;
  background:linear-gradient(100deg,#1f9d6b,#3aa0f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.nf p{color:var(--sub);margin:14px 0 26px;font-size:14px}
.nf a{display:inline-block;padding:10px 22px;border-radius:999px;background:rgba(41,179,123,.12);color:var(--green-deep);font-size:13px}

/* ---------- 响应式 ---------- */
@media (max-width:860px){
  .w{padding:0 16px}
  .nav{max-width:none;margin:10px 12px 0;padding:8px 10px 8px 12px}
  .menus{font-size:12px;gap:0}
  .menus a{padding:6px 8px}
  .acts .search{display:none}
  .hero{flex-direction:column;align-items:flex-start;gap:12px;padding:34px 4px 20px}
  .avatar{order:-1;align-self:flex-end;margin-top:0}
  .ava{width:58px;height:58px;font-size:20px}
  .hi{left:-24px;top:14px;font-size:9px}
  .h1{font-size:21px;line-height:1.72}
  .hw{font-size:23px}
  .loc{margin-top:10px}
  .sect{margin:10px 0 18px}
  .st{font-size:19px}
  .cardbox{padding:18px 16px;border-radius:18px}
  .it{gap:8px}
  .it a{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .it span{font-size:10.5px}
  .projs{grid-template-columns:1fr;gap:14px}
  .shot{height:150px}
  .pj{padding:12px;border-radius:18px}
  .aboutcard{padding:20px 18px;font-size:12.5px;border-radius:18px}
  .sheet{padding:26px 20px;margin-top:34px;border-radius:18px}
  .sheet h1{font-size:20px}
  .content{font-size:14.5px}
  .pager{flex-direction:column}
  .foot{flex-direction:column;gap:6px;align-items:center;margin-top:30px}
  .up{width:40px;height:40px;right:14px;bottom:14px}
}