/* ============================================================
   沐枫手记 · 个人网站
   成交学 · 暖橙配色主题
   ============================================================ */
:root {
  --ink: #221a12;            /* 主文字 暖墨 */
  --ink-soft: #6f5f4e;       /* 次级文字 */
  --paper: #fffaf2;          /* 暖纸底 */
  --paper-2: #f8eee0;        /* 深一档暖底 */
  --card: #ffffff;
  --brand: #ff6a00;          /* 主橙 */
  --brand-deep: #d94800;     /* 深橙红 */
  --brand-soft: #ffa04d;     /* 浅橙 */
  --gold: #f2a900;           /* 金色 */
  --gold-soft: #ffe0a3;      /* 浅金 */
  --line: #f0e2cd;
  --shadow: 0 18px 50px -22px rgba(217, 72, 0, .32);
  --radius: 20px;
  --maxw: 1160px;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-weight: 400;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(255, 106, 0, .18); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
section { padding: 96px 0; position: relative; }

/* ===== 顶部导航 ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
header.scrolled {
  background: rgba(255, 250, 242, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand));
  color: #fff; display: grid; place-items: center;
  font-family: var(--serif); font-weight: 900; font-size: 22px;
  box-shadow: 0 8px 20px -8px rgba(255, 106, 0, .6);
}
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: .5px; }
.brand-name small { display: block; font-family: var(--sans); font-weight: 400; font-size: 11px; color: var(--ink-soft); letter-spacing: 2px; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { font-size: 14.5px; color: var(--ink-soft); position: relative; padding: 4px 0; transition: color .2s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--brand); border-radius: 2px; transition: width .25s ease;
}
.nav-links a:hover { color: var(--brand-deep); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--brand); color: #fff; padding: 9px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 500; transition: background .25s, transform .25s;
  box-shadow: 0 10px 24px -10px rgba(255, 106, 0, .6);
}
.nav-cta:hover { background: var(--brand-deep); transform: translateY(-1px); }
.nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.nav-burger span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(255, 106, 0, .14), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(242, 169, 0, .20), transparent 55%),
    linear-gradient(180deg, #fffcf6 0%, var(--paper) 100%);
  padding: 140px 0 90px;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(217, 72, 0, .05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; position: relative; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13.5px; letter-spacing: 2px; color: var(--brand);
  font-weight: 600; margin-bottom: 22px;
}
.hero-eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--gold); }
.hero h1 { font-family: var(--serif); font-size: clamp(42px, 6vw, 66px); font-weight: 900; line-height: 1.18; letter-spacing: 1px; }
.hero h1 .name { color: var(--brand-deep); }
.hero .sub { margin-top: 18px; font-size: clamp(17px, 2.2vw, 21px); color: var(--ink-soft); font-weight: 400; max-width: 560px; }
.hero .sub b { color: var(--brand-deep); font-weight: 600; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-tags span {
  font-size: 13px; padding: 7px 15px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,.7);
  color: var(--ink-soft); transition: .25s;
}
.hero-tags span:hover { border-color: var(--brand-soft); color: var(--brand-deep); transform: translateY(-2px); }
.hero-actions { display: flex; gap: 16px; margin-top: 38px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: 999px; font-size: 15px; font-weight: 500; transition: .25s; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 16px 34px -12px rgba(255, 106, 0, .55); }
.btn-primary:hover { background: var(--brand-deep); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--brand-deep); border: 1.5px solid var(--brand-soft); }
.btn-ghost:hover { background: rgba(255, 106, 0, .07); transform: translateY(-2px); }
.hero-meta { display: flex; gap: 34px; margin-top: 44px; flex-wrap: wrap; }
.hero-meta .m b { display: block; font-family: var(--serif); font-size: 26px; color: var(--brand-deep); }
.hero-meta .m span { font-size: 12.5px; color: var(--ink-soft); letter-spacing: 1px; }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-card {
  width: 100%; max-width: 380px; background: var(--card);
  border-radius: 28px; padding: 34px 30px;
  box-shadow: var(--shadow); border: 1px solid rgba(240, 226, 205, .8);
  position: relative;
}
.hero-card .seal {
  position: absolute; top: -22px; right: 26px; width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--gold), #c88400); color: #fff;
  border-radius: 50%; display: grid; place-items: center; font-family: var(--serif);
  font-weight: 900; font-size: 13px; line-height: 1.15; text-align: center;
  box-shadow: 0 12px 26px -8px rgba(200, 132, 0, .6); transform: rotate(8deg);
}
.hero-card .avatar {
  width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 18px;
  object-fit: cover; display: block;
  box-shadow: 0 14px 30px -10px rgba(217, 72, 0, .45);
  border: 3px solid #fff;
}
.hero-card h3 { text-align: center; font-family: var(--serif); font-size: 24px; }
.hero-card .role { text-align: center; color: var(--brand); font-size: 14px; letter-spacing: 2px; margin-top: 4px; font-weight: 500; }
.hero-card .divider { height: 1px; background: var(--line); margin: 20px 0; }
.hero-card ul { list-style: none; }
.hero-card li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-soft); padding: 7px 0; align-items: flex-start; }
.hero-card li::before { content: "◆"; color: var(--gold); font-size: 9px; margin-top: 8px; }

/* ===== 通用节标题 ===== */
.sec-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.sec-kicker { font-size: 13px; letter-spacing: 3px; color: var(--gold); font-weight: 600; }
.sec-title { font-family: var(--serif); font-size: clamp(28px, 4vw, 40px); font-weight: 700; margin-top: 12px; line-height: 1.3; }
.sec-title em { font-style: normal; color: var(--brand-deep); }
.sec-desc { margin-top: 16px; color: var(--ink-soft); font-size: 16px; }

/* ===== 关于 ===== */
.about { background: linear-gradient(180deg, var(--paper) 0%, #fff 100%); }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.about-photo {
  position: relative; border-radius: 28px; overflow: hidden; aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--brand-deep), var(--brand-soft));
  display: grid; place-items: center; box-shadow: var(--shadow);
}
.about-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.about-photo .caption { position: absolute; bottom: 22px; left: 22px; color: #fff; font-size: 13px; letter-spacing: 2px; text-shadow: 0 2px 10px rgba(0,0,0,.4); z-index: 1; }
.about-body .intro { font-size: 17px; color: var(--ink-soft); }
.about-body .intro b { color: var(--brand-deep); }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0; }
.fact { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.fact b { display: block; font-family: var(--serif); color: var(--brand-deep); font-size: 15px; }
.fact span { font-size: 12.5px; color: var(--ink-soft); }
.about-points { list-style: none; }
.about-points li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 15px; align-items: flex-start; }
.about-points li:last-child { border-bottom: none; }
.about-points .tick { color: var(--brand); font-weight: 700; flex-shrink: 0; }

/* ===== 沐枫点金台 · 入口 ===== */
.plataforma { margin-top: 96px; padding-top: 64px; border-top: 1px dashed var(--line); }
.plataforma-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.plataforma-title { font-family: var(--serif); font-size: clamp(24px, 3.4vw, 34px); font-weight: 700; margin-top: 12px; line-height: 1.3; }
.plataforma-title em { font-style: normal; color: var(--brand-deep); }
.plataforma-desc { margin-top: 14px; color: var(--ink-soft); font-size: 15.5px; }
.plataforma-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 980px; margin: 0 auto; }
.plataforma-card {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: .3s;
}
.plataforma-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.plataforma-img { background: var(--paper-2); }
.plataforma-img img { width: 100%; aspect-ratio: 2/3; object-fit: cover; display: block; }
.plataforma-meta { padding: 20px 24px 24px; text-align: center; }
.plataforma-meta b { display: block; font-family: var(--serif); font-size: 19px; color: var(--brand-deep); }
.plataforma-meta span { display: block; margin-top: 8px; font-size: 13.5px; color: var(--ink-soft); }

/* ===== 产品 ===== */
.products { background: var(--paper-2); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: var(--card); border-radius: var(--radius); padding: 34px 30px;
  border: 1px solid var(--line); transition: .3s; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card .num { font-family: var(--serif); font-size: 13px; letter-spacing: 2px; color: var(--gold); font-weight: 600; }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; margin: 16px 0 20px;
  display: grid; place-items: center; font-size: 24px;
  background: linear-gradient(135deg, rgba(255,106,0,.12), rgba(242,169,0,.06));
}
.card h3 { font-family: var(--serif); font-size: 22px; margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 14.5px; }
.card .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.card .tag-row span { font-size: 12px; padding: 5px 12px; border-radius: 999px; background: var(--paper-2); color: var(--brand-deep); }
.card.featured { background: linear-gradient(160deg, var(--brand-deep), #ff7a1a); color: #fff; border-color: transparent; }
.card.featured p { color: rgba(255,255,255,.86); }
.card.featured .num, .card.featured h3 { color: #fff; }
.card.featured .icon { background: rgba(255,255,255,.14); }
.card.featured .tag-row span { background: rgba(255,255,255,.16); color: #fff; }
.card.featured .btn-line { color: var(--gold-soft); font-weight: 600; margin-top: 20px; display: inline-flex; align-items: center; gap: 6px; }

/* ===== 痛点 ===== */
.pain { background: linear-gradient(180deg, #23170c 0%, #130c05 100%); color: #fff; overflow: hidden; }
.pain::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .25;
  background-image: radial-gradient(rgba(255, 160, 77, .16) 1px, transparent 1px); background-size: 30px 30px; }
.pain .sec-title { color: #fff; }
.pain .sec-kicker { color: var(--gold-soft); }
.pain .sec-desc { color: rgba(255,255,255,.72); }
.pain-quote { text-align: center; max-width: 760px; margin: 0 auto 46px; font-family: var(--serif); font-size: clamp(18px, 2.4vw, 23px); line-height: 1.9; }
.pain-quote em { font-style: normal; color: var(--gold-soft); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; position: relative; z-index: 1; }
.pain-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 28px 26px; backdrop-filter: blur(4px); }
.pain-card .ph { font-size: 30px; margin-bottom: 14px; }
.pain-card h4 { font-size: 17px; margin-bottom: 10px; font-weight: 600; }
.pain-card p { color: rgba(255,255,255,.7); font-size: 14px; }
.pain-card p em { font-style: normal; color: var(--gold-soft); }

/* ===== 解决路径（五步） ===== */
.solution { background: #fff; }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 10px; }
.step { text-align: center; position: relative; padding: 26px 14px; }
.step .dot {
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--serif); font-weight: 900; font-size: 20px;
  background: linear-gradient(135deg, var(--gold), #d18b00); color: #fff;
  box-shadow: 0 12px 26px -8px rgba(209, 139, 0, .5);
}
.step h4 { font-family: var(--serif); font-size: 17px; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--ink-soft); }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 27px; right: -9px; width: 18px; height: 1px;
  background: var(--gold); opacity: .5;
}
.solution-banner {
  margin-top: 52px; display: flex; align-items: center; gap: 42px; text-align: left;
  background: linear-gradient(135deg, rgba(255,106,0,.08), rgba(242,169,0,.12));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 38px;
}
.solution-banner .sb-img { width: 200px; flex-shrink: 0; border-radius: 16px; box-shadow: 0 18px 40px -16px rgba(0,0,0,.35); }
.solution-banner .sb-text { flex: 1; }
.solution-banner p { font-family: var(--serif); font-size: 20px; line-height: 1.8; }
.solution-banner p b { color: var(--brand-deep); }
.solution-banner .sb-tag { display: inline-block; margin-top: 14px; font-size: 14px; color: var(--ink-soft); }
@media (max-width: 640px) {
  .solution-banner { flex-direction: column; text-align: center; gap: 24px; }
  .solution-banner .sb-img { width: 170px; margin: 0 auto; }
}

/* ===== 目标用户 ===== */
.audience { background: var(--paper); }
.aud-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.aud { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px 24px; transition: .3s; }
.aud:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.aud .emoji { font-size: 30px; }
.aud h4 { font-family: var(--serif); font-size: 17px; margin: 14px 0 8px; }
.aud p { font-size: 13.5px; color: var(--ink-soft); }

/* ===== 文章 ===== */
.posts { background: #fff; }
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.post { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .3s; display: flex; flex-direction: column; }
.post:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.post .thumb { height: 186px; display: grid; place-items: center; color: #fff; font-family: var(--serif); font-size: 21px; font-weight: 700; }
.post .body { padding: 26px 30px 28px; display: flex; flex-direction: column; flex: 1; }
.post .cat { font-size: 12px; letter-spacing: 2px; color: var(--gold); font-weight: 600; }
.post h4 { font-family: var(--serif); font-size: 21px; margin: 10px 0 12px; line-height: 1.55; }
.post p { font-size: 14.5px; color: var(--ink-soft); flex: 1; line-height: 1.75; }
.post .more { margin-top: 18px; font-size: 14px; color: var(--brand); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.t1 { background: linear-gradient(135deg, var(--brand-deep), var(--brand-soft)); }
.t2 { background: linear-gradient(135deg, #a36a00, var(--gold)); }
.t3 { background: linear-gradient(135deg, #7a4311, #c9843a); }

/* ===== CTA ===== */
.cta { background: linear-gradient(135deg, var(--brand-deep), #ff7a1a); color: #fff; text-align: center; }
.cta .sec-title { color: #fff; }
.cta p { color: rgba(255,255,255,.85); max-width: 640px; margin: 18px auto 34px; }
.cta .btn-primary { background: #fff; color: var(--brand-deep); box-shadow: 0 16px 34px -12px rgba(0,0,0,.3); }
.cta .btn-primary:hover { background: var(--gold-soft); color: #5b3a00; }
.cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,.6); }
.cta .btn-ghost:hover { background: rgba(255,255,255,.12); }
.cta-links { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.cta-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3); font-size: 14px;
}

/* ===== 页脚 ===== */
footer { background: #1a120b; color: rgba(255,255,255,.55); padding: 56px 0 36px; }
.foot-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.foot-brand { font-family: var(--serif); font-size: 22px; color: #fff; }
.foot-brand small { display: block; font-family: var(--sans); font-size: 12px; color: rgba(255,255,255,.45); letter-spacing: 2px; margin-top: 6px; }
.foot-tags { display: flex; flex-wrap: wrap; gap: 8px; max-width: 440px; }
.foot-tags span { font-size: 12px; color: rgba(255,255,255,.5); border: 1px solid rgba(255,255,255,.14); padding: 4px 12px; border-radius: 999px; }
.foot-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12.5px; text-align: center; color: rgba(255,255,255,.4); }
.foot-bottom .icp { display: inline-block; margin-left: 10px; }
.foot-bottom .icp a { color: rgba(255,255,255,.4); text-decoration: none; transition: color .2s; }
.foot-bottom .icp a:hover { color: rgba(255,255,255,.75); }

/* ===== 文章详情页 ===== */
.article-hero { padding: 160px 0 64px; background: linear-gradient(180deg, #fffcf6, var(--paper)); }
.article-head { max-width: 760px; margin: 0 auto; }
.article-head .cat { font-size: 13px; letter-spacing: 3px; color: var(--gold); font-weight: 600; }
.article-head h1 { font-family: var(--serif); font-size: clamp(28px, 4.5vw, 42px); line-height: 1.3; margin: 14px 0 20px; }
.article-meta { display: flex; gap: 22px; color: var(--ink-soft); font-size: 13.5px; flex-wrap: wrap; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-cover { max-width: 760px; margin: 40px auto 0; border-radius: 22px; overflow: hidden; height: 300px; display: grid; place-items: center; color: #fff; font-family: var(--serif); font-size: 26px; font-weight: 700; box-shadow: var(--shadow); }
.article-body { max-width: 760px; margin: 0 auto; padding: 40px 0 80px; }
.prose { font-size: 17px; line-height: 2.0; color: #3a322a; }
.prose p { margin-bottom: 26px; }
.prose h2 { font-family: var(--serif); font-size: 25px; margin: 44px 0 18px; color: var(--ink); }
.prose h2::before { content: "◆ "; color: var(--brand); font-size: .6em; vertical-align: middle; }
.prose ul, .prose ol { margin: 0 0 26px; padding-left: 26px; }
.prose li { margin-bottom: 12px; }
.prose blockquote {
  border-left: 4px solid var(--brand); background: var(--paper-2); border-radius: 0 14px 14px 0;
  padding: 22px 26px; margin: 30px 0; font-family: var(--serif); font-size: 18px; color: var(--brand-deep);
}
.prose .callout {
  background: linear-gradient(135deg, rgba(255,106,0,.08), rgba(242,169,0,.14));
  border: 1px solid var(--line); border-radius: 16px; padding: 24px 26px; margin: 30px 0;
}
.prose .callout b { color: var(--brand-deep); }

.author-box {
  max-width: 760px; margin: 0 auto; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; display: flex; gap: 22px; align-items: center; box-shadow: var(--shadow);
}
.author-box img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.author-box .info h4 { font-family: var(--serif); font-size: 19px; }
.author-box .info .role { color: var(--brand); font-size: 13px; letter-spacing: 1px; margin: 2px 0 8px; }
.author-box .info p { font-size: 14px; color: var(--ink-soft); }
.back-link { text-align: center; margin: 40px 0; }
.back-link a { color: var(--brand-deep); font-weight: 600; }

/* ===== 显现动画 ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .hero-grid, .about-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .aud-grid { grid-template-columns: 1fr 1fr; }
  .post-grid { grid-template-columns: 1fr 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  section { padding: 68px 0; }
  .nav-links { position: fixed; top: 72px; left: 0; right: 0; background: var(--paper); flex-direction: column; padding: 20px 28px; gap: 16px; border-bottom: 1px solid var(--line); transform: translateY(-130%); transition: .3s; }
  .nav-links.open { transform: none; }
  .nav-burger { display: flex; }
  .cards, .steps, .aud-grid, .post-grid { grid-template-columns: 1fr; }
  .plataforma-grid { grid-template-columns: 1fr; gap: 22px; }
  .plataforma { margin-top: 72px; padding-top: 48px; }
  .hero-meta { gap: 22px; }
  .author-box { flex-direction: column; text-align: center; }
  .article-cover { height: 220px; }
}

/* ===== 打赏 / 加微信 浮动条 ===== */
.float-bar {
  position: fixed; bottom: 18px; left: 50%; transform: translate(-50%, 20px);
  z-index: 90; display: flex; gap: 10px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 12px; box-shadow: 0 18px 44px -14px rgba(0,0,0,.35);
  opacity: 0; pointer-events: none; transition: opacity .35s ease, transform .35s ease;
}
.float-bar.show { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.fb-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px;
  border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: .25s;
}
.fb-tip { background: linear-gradient(135deg, var(--gold), #d18b00); color: #fff; }
.fb-tip:hover { filter: brightness(1.06); }
.fb-wx { background: var(--brand); color: #fff; }
.fb-wx:hover { background: var(--brand-deep); }
.fb-id { font-size: 13px; color: var(--ink-soft); padding: 0 8px; white-space: nowrap; }

/* 弹窗 */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(20, 10, 0, .6); z-index: 300;
  display: none; align-items: center; justify-content: center; padding: 24px;
  backdrop-filter: blur(3px);
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff; border-radius: 22px; max-width: 380px; width: 100%;
  padding: 34px 30px; text-align: center; position: relative;
  animation: pop .28s ease;
}
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal .close { position: absolute; top: 12px; right: 18px; font-size: 26px; line-height: 1; color: #c7bca9; cursor: pointer; }
.modal .close:hover { color: var(--ink); }
.modal h3 { font-family: var(--serif); font-size: 21px; margin-bottom: 8px; }
.modal p { font-size: 14px; color: var(--ink-soft); }
.modal .qr {
  width: 200px; height: 200px; margin: 20px auto; border-radius: 14px;
  border: 1px dashed var(--line); display: grid; place-items: center;
  color: var(--ink-soft); font-size: 13px; text-align: center; padding: 12px;
  background: var(--paper); line-height: 1.7;
}
.modal .wx-id {
  display: inline-flex; align-items: center; gap: 8px; margin: 18px 0 4px;
  font-size: 20px; font-weight: 700; color: var(--brand-deep); letter-spacing: 1px;
}
.modal .btn-copy { background: var(--brand); color: #fff; border: none; padding: 11px 26px; border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer; margin-top: 14px; transition: .25s; }
.modal .btn-copy:hover { background: var(--brand-deep); }
.modal .btn-copy.copied { background: #16a34a; }

@media (max-width: 640px) {
  .float-bar { left: 14px; right: 14px; transform: translateY(20px); border-radius: 18px; }
  .float-bar.show { transform: translateY(0); }
  .fb-btn { flex: 1; justify-content: center; }
  .fb-id { display: none; }
}

/* ===== 站点简介 ===== */
.intro-note { background: linear-gradient(180deg, #fff 0%, var(--paper) 100%); }
.intro-note .note {
  max-width: 840px; margin: 0 auto; text-align: center;
  font-family: var(--serif); font-size: clamp(17px, 2.1vw, 21px);
  line-height: 2.05; color: var(--ink-soft);
}
.intro-note .note b { color: var(--ink); font-weight: 600; }
.intro-note .note .hi { color: var(--brand); font-weight: 600; }
.intro-note .note .sign {
  display: block; margin-top: 28px;
  font-size: .9em; color: var(--brand-deep); letter-spacing: .2em;
}
@media (max-width: 720px) {
  .intro-note .note { font-size: 16px; line-height: 2; }
}

/* ===== 面包屑（文章页 / 列表页） ===== */
.crumb { font-size: 13px; letter-spacing: .04em; color: #9a8f86; margin-bottom: 18px; }
.crumb a { color: #9a8f86; text-decoration: none; transition: .2s; }
.crumb a:hover { color: var(--brand-deep); }
.crumb span { margin: 0 8px; opacity: .45; }
.crumb em { font-style: normal; color: var(--gold); }

/* 列表页头部：跟下方卡片同宽，左边缘对齐（文章页仍用 760px 居中） */
.article-head.list-head { max-width: none; }
.article-head.list-head p { max-width: 620px; }

/* ============================================================
   可填写模板页（失败复盘卡 / 我的档案）
   ============================================================ */
.tpl-hero { padding: 160px 0 40px; background: linear-gradient(180deg, #fffcf6, var(--paper)); }
.tpl-head { max-width: 760px; margin: 0 auto; }
.tpl-head .cat { font-size: 13px; letter-spacing: 3px; color: var(--gold); font-weight: 600; }
.tpl-head h1 { font-family: var(--serif); font-size: clamp(28px, 4.5vw, 42px); line-height: 1.3; margin: 14px 0 16px; }
.tpl-head .sub { color: var(--ink-soft); font-size: 16px; }

.tpl-body { max-width: 760px; margin: 0 auto; padding: 20px 0 130px; }
.tpl-note { background: var(--paper-2); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; margin-bottom: 26px; font-size: 14.5px; color: var(--ink-soft); }
.tpl-note b { color: var(--brand-deep); }
.tpl-note p { margin-bottom: 8px; }
.tpl-note p:last-child { margin-bottom: 0; }

.tpl-sec { display: flex; align-items: baseline; gap: 12px; margin-top: 46px; }
.tpl-sec::before { content: ""; width: 5px; height: 20px; background: var(--brand); border-radius: 3px; flex: none; transform: translateY(3px); }
.tpl-sec h2 { font-family: var(--serif); font-size: 23px; margin: 0; }
.tpl-sec-note { margin: 8px 0 0 17px; font-size: 14px; color: var(--ink-soft); }

.tpl-field { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; margin-top: 18px; }
.tpl-field .fh { display: flex; align-items: baseline; gap: 10px; }
.tpl-field .no { color: var(--brand-deep); font-weight: 700; font-family: var(--serif); font-size: 17px; flex: none; font-variant-numeric: tabular-nums; }
.tpl-field h3 { font-family: var(--serif); font-size: 18px; margin: 0; font-weight: 600; }
.tpl-field .hint { margin: 5px 0 12px 32px; font-size: 13.5px; color: var(--ink-soft); }
.tpl-field .sublbl { margin: 12px 0 6px; font-size: 12px; letter-spacing: 2px; color: var(--gold); font-weight: 600; }
.tpl-field .sublbl:first-of-type { margin-top: 0; }
.tpl-field textarea {
  width: 100%; font-family: var(--sans); font-size: 15.5px; line-height: 1.85; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; resize: vertical; min-height: 64px; outline: none; transition: .2s;
}
.tpl-field textarea::placeholder { color: #b3a79b; }
.tpl-field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(255, 106, 0, .12); }

.tpl-list { list-style: none; margin: 0; padding: 0; }
.tpl-list li { position: relative; padding-left: 22px; margin-bottom: 9px; font-size: 15px; color: var(--ink-soft); }
.tpl-list li::before { content: "·"; position: absolute; left: 5px; color: var(--brand); font-weight: 700; }
.tpl-list.no li { color: #b0453a; }
.tpl-list.no li::before { content: "×"; font-weight: 400; color: #b0453a; }

.tpl-warn { background: #fdf2f0; border: 1px solid #f2d5d0; border-radius: 16px; padding: 20px 22px; margin-top: 18px; }
.tpl-warn h3 { font-family: var(--serif); font-size: 17px; margin: 0 0 10px; color: #b0453a; font-weight: 600; }

.tpl-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  background: rgba(255, 250, 242, .94);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px));
}
.tpl-bar-in { max-width: 760px; margin: 0 auto; padding: 0 28px; display: flex; gap: 12px; align-items: center; }
.tpl-bar .stat { font-size: 13px; color: var(--ink-soft); margin-right: auto; }
.tpl-bar .btn { padding: 12px 24px; }
@media (max-width: 560px) {
  .tpl-bar .stat { display: none; }
  .tpl-bar .btn { padding: 12px 16px; font-size: 14px; }
  .tpl-field { padding: 18px 16px; }
}
.tpl-field input[type="text"] {
  width: 100%; font-family: var(--sans); font-size: 15.5px; line-height: 1.8; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 11px 14px; outline: none; transition: .2s;
}
.tpl-field input[type="text"]::placeholder { color: #b3a79b; }
.tpl-field input[type="text"]:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(255, 106, 0, .12); }
.cost-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.cost-row:last-child { margin-bottom: 0; }
.cost-row .k { flex: none; width: 52px; font-size: 14.5px; color: var(--brand-deep); font-weight: 600; }
@media (max-width: 480px) { .cost-row .k { width: 44px; font-size: 14px; } }

/* ===== 首页「我在做什么」里的两个模板入口 ===== */
.tpl-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 26px; }
.tpl-link {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 26px 22px; transition: .3s;
}
.tpl-link:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.tpl-link .tk { font-size: 12px; letter-spacing: 2px; color: var(--gold); font-weight: 600; }
.tpl-link b { font-family: var(--serif); font-size: 19px; font-weight: 600; }
.tpl-link .td { font-size: 14px; color: var(--ink-soft); line-height: 1.7; }
.tpl-link .ta { margin-top: auto; padding-top: 12px; font-size: 14px; color: var(--brand-deep); font-weight: 600; }
@media (max-width: 760px) { .tpl-links { grid-template-columns: 1fr; } }