/* ==========================================================
   福州好小蚁科技 · fzantcom 高级感增强层 v4
   ----------------------------------------------------------
   在 style.css 之后加载，负责「去模板味 / 去 AI 味」：
   1) 收敛配色——大面积白与墨黑承担结构，品牌绿只做点睛
   2) 克制渐变——按钮与通栏改实色 + 细描边，告别塑料高光
   3) 版式秩序——统一字号阶梯、加宽行距、标题左对齐成杂志节奏
   4) 去除弹跳——交互反馈改为发丝级线条与微妙的明暗变化
   5) 线性图标——统一 SVG 图标槽位，替换原先的字符/emoji
   ========================================================== */

/* ===== 1. 变量收敛 ===== */
:root {
  --ink:        #08170C;
  --ink-2:      #122B18;
  --primary:    #4A9E33;
  --primary-d:  #2F7220;
  --accent:     #C98A16;
  --hair:       #E4E9E1;
  --hair-d:     rgba(255, 255, 255, .14);
  --paper:      #FFFFFF;
  --paper-2:    #F6F8F4;
  --text:       #2C3A31;
  --muted:      #6B7A70;
  --radius:     10px;
  --radius-lg:  14px;
  --grad-soft:  linear-gradient(120deg, rgba(74,158,51,.07), rgba(74,158,51,.02));
  --shadow:     0 1px 2px rgba(8,23,12,.04), 0 8px 24px rgba(8,23,12,.05);
  --shadow-lg:  0 2px 4px rgba(8,23,12,.05), 0 20px 48px rgba(8,23,12,.10);
  --ease:       cubic-bezier(.22, .61, .36, 1);
}

body {
  color: var(--text);
  line-height: 1.85;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--ink);
  letter-spacing: -.005em;
  text-wrap: balance;
}

/* ===== 2. 按钮：实色 + 细描边 ===== */
.btn {
  border-radius: 6px;
  height: 44px;
  padding: 0 24px;
  letter-spacing: .03em;
  transition: background .28s var(--ease), color .28s var(--ease),
              border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.10) inset, 0 10px 24px rgba(8,23,12,.22);
}
.btn-primary:hover {
  background: var(--primary-d);
  transform: none;
  box-shadow: 0 1px 0 rgba(255,255,255,.10) inset, 0 14px 30px rgba(47,114,32,.26);
  color: #fff;
}
.btn-amber {
  background: #B98213;
  color: #fff;
  box-shadow: 0 10px 24px rgba(185,130,19,.22);
}
.btn-amber:hover { background: #A0720F; transform: none; color: #fff; }
.btn-ghost { border-color: var(--hair-d); color: rgba(255,255,255,.9); background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.55); color: #fff; transform: none; }
.btn-line { border-color: var(--hair); color: var(--ink); background: #fff; }
.btn-line:hover { border-color: var(--ink); color: var(--ink); transform: none; }
.btn-lg { height: 52px; padding: 0 32px; }

/* ===== 3. 版块与标题：杂志节奏 ===== */
.section { padding: 96px 0; }
.section-soft { background: var(--paper-2); }
.section-deep { background: var(--ink); }

.s-head { max-width: none; margin: 0 0 56px; text-align: left; }
.s-head .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px; font-size: 11.5px; font-weight: 600;
  letter-spacing: .3em; color: var(--primary-d); text-transform: uppercase;
}
.s-head .eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--primary); display: block;
}
.s-title {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -.015em;
  margin-bottom: 18px;
}
.s-title::after { display: none; }             /* 去掉千篇一律的居中短横线 */
.s-desc {
  font-size: 16px; color: var(--muted); line-height: 1.95; max-width: 720px; margin: 0;
}

/* 深色版块：标题保持左对齐，只把 eyebrow 换成琥珀金 */
.section-deep .s-head { text-align: left; }
.section-deep .s-head .eyebrow { color: #D8A544; }
.section-deep .s-head .eyebrow::before { background: #D8A544; }
.section-deep .s-title { color: #fff; }
.section-deep .s-desc { color: rgba(255,255,255,.62); }
.section-deep h2, .section-deep h3, .section-deep h4 { color: #fff; }

/* ===== 4. HERO ===== */
.hero {
  padding: 104px 0 88px;
  background: #06120A;
}
.hero::before {
  background:
    radial-gradient(820px 420px at 82% -14%, rgba(122, 186, 88, .16), transparent 64%),
    radial-gradient(700px 380px at 6% 112%, rgba(47, 114, 32, .30), transparent 62%);
}
.hero::after { opacity: .16; }                 /* 网格退到几乎不可见 */
.hero h1 {
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.02em;
}
.hero h1 em {
  background: none; color: #BFE08A;
  -webkit-text-fill-color: currentColor;
}
.hero .lead {
  font-size: 16.5px; line-height: 2.05; color: rgba(255,255,255,.72); max-width: 620px;
}
.hero-points {
  gap: 28px; font-size: 13.5px; letter-spacing: .02em; color: rgba(255,255,255,.6);
}
.hero-points span::before {
  content: ""; display: inline-block; width: 4px; height: 4px; margin-right: 9px;
  vertical-align: 2px; background: var(--accent); border-radius: 0;
  transform: rotate(45deg);
}
.hero-card {
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-lg);
  box-shadow: none;
}
.hero-card .hc-title { letter-spacing: .26em; font-size: 11.5px; color: rgba(255,255,255,.45); }
.hero-stat div b {
  font-size: 34px; font-weight: 700; color: #fff;
  background: none; -webkit-text-fill-color: currentColor;
  letter-spacing: -.02em;
}
.hero-stat div span { font-size: 12.5px; letter-spacing: .04em; }
.hero-card .hc-foot { border-top: 1px solid rgba(255,255,255,.09); font-size: 12.5px; letter-spacing: .02em; }

.verify-chip {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.16);
  color: rgba(233, 245, 219, .88);
  border-radius: 6px; padding: 10px 18px; font-size: 13.5px; font-weight: 500; gap: 8px;
}
.verify-chip b { color: #fff; font-weight: 600; letter-spacing: .01em; }

/* ===== 5. 卡片：去掉弹跳，改发丝反馈 ===== */
.card,
.bu-panel,
.win-card,
.statbar,
.list-item .li-img,
.material-row img { border-radius: var(--radius); }

.card {
  padding: 34px 30px;
  border: 1px solid var(--hair);
  box-shadow: 0 1px 2px rgba(8,23,12,.03);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.card:hover {
  transform: none;
  border-color: rgba(74,158,51,.42);
  box-shadow: 0 1px 2px rgba(8,23,12,.04), 0 16px 40px rgba(8,23,12,.08);
}
.card .ico {
  border-radius: 8px;
  background: transparent;
  border: 1px solid var(--hair);
  color: var(--primary-d);
}
.card h3 { font-size: 18.5px; letter-spacing: -.01em; }
.card p { font-size: 14.5px; line-height: 1.85; }
.card .more { letter-spacing: .02em; }

/* ===== 6. 图标系统 ===== */
.ico svg, .float-contact a svg, .bi-n svg, .fs-n svg,
.backtop svg, .menu-toggle svg, .contact-ico svg {
  width: 22px; height: 22px; display: block;
  stroke: currentColor; fill: none;
  stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round;
}
.card .ico svg, .credo-item .c-ico svg { width: 24px; height: 24px; }
.card .ico.has-svg, .credo-item .c-ico.has-svg { font-size: 0; }
.backtop svg { width: 20px; height: 20px; margin: 0 auto; }
.float-contact a svg { width: 20px; height: 20px; margin: 0 auto 2px; }
.float-contact a {
  display: grid; place-items: center; gap: 0;
  font-size: 11px; letter-spacing: .04em;
}
.float-contact a i { display: none; }
.menu-toggle { display: none; align-items: center; }
.menu-toggle svg { width: 24px; height: 24px; stroke: var(--ink); }
@media (max-width: 980px) { .menu-toggle { display: flex; align-items: center; } }

/* ===== 7. 业务集群 ===== */
.bu-panel { border: 1px solid var(--hair); border-radius: var(--radius-lg); overflow: hidden; }
.bu-panel:hover { transform: none; box-shadow: var(--shadow-lg); }
.bu-head { padding: 30px 32px 24px; }
.bu-head::after {
  width: 220px; height: 220px; right: -70px; top: -110px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.14), transparent 70%);
}
.bu-panel:nth-child(1) .bu-head { background: #14331A; }
.bu-panel:nth-child(2) .bu-head { background: #33230A; }
.bu-head .bu-no { font-size: 11px; letter-spacing: .26em; opacity: .6; }
.bu-head h3 { font-size: 26px; letter-spacing: -.015em; }
.bu-head p { font-size: 14px; color: rgba(255,255,255,.7); }
.bu-body { padding: 6px 32px 28px; }
.bu-item { border-bottom: 1px solid var(--hair); padding: 18px 0; }
.bu-item .bi-n {
  border-radius: 6px; border: 1px solid var(--hair); background: transparent;
  font-size: 11.5px; letter-spacing: .04em;
}
.bu-item h4 { font-size: 16px; }

/* ===== 8. 流程节点 ===== */
.flow-step::before { top: 21px; height: 1px; background: var(--hair); }
.flow-step .fs-n {
  width: 44px; height: 44px; border: 1px solid var(--hair);
  font-size: 14px; font-weight: 600; letter-spacing: .04em;
  background: var(--paper); color: var(--muted);
}
.flow-step:hover .fs-n {
  border-color: var(--primary); color: var(--primary-d);
  box-shadow: 0 0 0 1px var(--primary) inset;
}
.flow-step h4 { font-size: 16px; letter-spacing: -.01em; }
.section-deep .flow-step .fs-n { background: #0C1F11; border-color: var(--hair-d); }

/* ===== 9. 数据 / 案例 / 信条 ===== */
.statbar { background: var(--hair); border-color: var(--hair); border-radius: var(--radius); }
.statbar b { font-size: 38px; letter-spacing: -.03em; }
.statbar b i { font-size: 17px; font-weight: 600; }

.case-wall { gap: 14px; }
.case-cell {
  border-radius: 8px; border-color: var(--hair); font-size: 13.5px;
  padding: 16px 12px; letter-spacing: .01em;
  transition: border-color .26s var(--ease), background .26s var(--ease), color .26s var(--ease);
}
.case-cell:hover {
  background: var(--ink); border-color: var(--ink); color: #fff; transform: none;
}

.credo-item {
  background: rgba(255,255,255,.028);
  border: 1px solid var(--hair-d);
  border-radius: var(--radius);
  padding: 32px 28px 30px;
}
.credo-item:hover {
  transform: none; background: rgba(255,255,255,.05); border-color: rgba(183, 214, 152, .38);
}
.credo-item .c-ico {
  border-radius: 8px; background: transparent; border: 1px solid rgba(183,214,152,.30);
  color: #B7D698;
}
.credo-item h3 { font-size: 18px; letter-spacing: -.01em; }
.credo-item p { line-height: 1.9; color: rgba(255,255,255,.58); }

/* ===== 10. 通栏 CTA ===== */
.cta-band {
  background: var(--ink);
  border: 1px solid var(--hair-d);
  border-radius: var(--radius-lg);
  padding: 56px 52px;
  box-shadow: none;
}
.cta-band::after {
  width: 300px; height: 300px; right: -90px; top: -140px;
  background: radial-gradient(circle at 34% 34%, rgba(122,186,88,.20), transparent 68%);
}
.cta-band h3 { font-size: clamp(22px, 2.6vw, 32px); letter-spacing: -.02em; }
.cta-band p { color: rgba(255,255,255,.66); }

/* ===== 11. 标签组 ===== */
.tag {
  border-radius: 5px; font-size: 11.5px; letter-spacing: .08em; padding: 4px 11px;
}
.tag-solid { background: var(--ink); color: #fff; border-color: transparent; }
.tag-amber { background: rgba(201,138,22,.10); color: #96650C; border-color: rgba(201,138,22,.26); }

.stack span { border-radius: 6px; font-size: 13px; letter-spacing: .01em; }
.stack span:hover { transform: none; border-color: var(--primary); }

.brandbar .bb-list i {
  border-radius: 5px; font-size: 12.5px; letter-spacing: .02em;
  background: transparent; border-color: var(--hair); color: var(--text);
  padding: 7px 15px;
}
.brandbar .bb-label { letter-spacing: .18em; font-size: 11.5px; text-transform: uppercase; }

/* ===== 12. 导航 ===== */
.header { border-bottom: 1px solid var(--hair); background: rgba(255,255,255,.92); }
.logo .brand-text b { letter-spacing: .06em; }
.logo .brand-text span { letter-spacing: .22em; font-size: 10.5px; }
.nav > li > a { font-size: 14.5px; letter-spacing: .02em; font-weight: 400; }
.nav > li > a::after { height: 2px; background: var(--primary); }
.nav .sub { border-radius: var(--radius); border-color: var(--hair); box-shadow: var(--shadow-lg); }
.header .cta .tel { letter-spacing: .02em; }

/* ===== 13. 文章与列表 ===== */
.article h2 { border-left: none; padding-left: 0; font-size: clamp(20px, 2.2vw, 26px); letter-spacing: -.015em; }
.article h2::before {
  content: ""; display: block; width: 26px; height: 2px; background: var(--primary); margin-bottom: 14px;
}
.answer-box {
  border: 1px solid var(--hair); border-left: 2px solid var(--primary);
  background: var(--paper-2); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 26px 30px;
}
.answer-box .ab-label { letter-spacing: .2em; font-size: 11.5px; }
.answer-box p { line-height: 2.0; }

.faq-item { border-radius: var(--radius); border-color: var(--hair); }
.faq-q { font-size: 16px; font-weight: 500; letter-spacing: -.005em; padding: 18px 22px; }
.faq-q::after { font-size: 18px; font-weight: 300; }

.list-item { border-bottom: 1px solid var(--hair); padding: 26px 0; }
.list-item h3 { font-size: 19px; letter-spacing: -.01em; }

/* ===== 14. 页脚 ===== */
.footer { background: #05100A; color: rgba(255,255,255,.52); font-size: 13.5px; }
.footer h4 { letter-spacing: .1em; font-size: 13.5px; color: rgba(255,255,255,.92); margin-bottom: 20px; }
.footer a:hover { color: #B7D698; }
.footer .f-bot { border-top: 1px solid var(--hair-d); color: rgba(255,255,255,.34); }

/* ===== 15. 滚动出现：位移更轻 ===== */
.reveal { transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }

/* ===== 16. 辅助：让 v3.2 物料块跟随新版式 ===== */
.path6 span { border-radius: 6px; background: transparent; border-color: var(--hair); color: var(--primary-d); padding: 8px 16px; }
.val4 > div { border-radius: var(--radius); border-color: var(--hair); border-left-width: 2px; padding: 18px 20px; }
.val4 b { letter-spacing: -.01em; }
.svc5 > div { border-radius: var(--radius); border-color: var(--hair); }
.svc5 b { color: var(--primary-d); letter-spacing: -.005em; }
.loop7 span { border-radius: 6px; background: var(--ink); padding: 9px 15px; letter-spacing: .02em; }
.win-card { border-color: var(--hair); }
.win-card:hover { transform: none; box-shadow: var(--shadow-lg); border-color: rgba(74,158,51,.4); }
.win-card .wc-num { letter-spacing: -.03em; font-weight: 700; }

@media (max-width: 980px) {
  .section { padding: 68px 0; }
  .hero { padding: 68px 0 54px; }
  .s-head { margin-bottom: 40px; }
}
@media (max-width: 640px) {
  .section { padding: 52px 0; }
  .card { padding: 26px 22px; }
  .cta-band { padding: 34px 26px; }
}

/* ===== 17. v5 商业叙事组件 ===== */

/* 17.1 HERO 三问卡片 */
.hc-quiz { display: flex; flex-direction: column; gap: 14px; }
.hc-q {
  display: flex; gap: 14px; align-items: flex-start;
  padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.10);
}
.hc-q:last-child { border-bottom: 0; padding-bottom: 0; }
.hc-q span {
  flex: none; font-size: 11.5px; font-weight: 700; letter-spacing: .08em;
  color: rgba(255,255,255,.42); padding-top: 4px; font-variant-numeric: tabular-nums;
}
.hc-q p { margin: 0; font-size: 14.5px; line-height: 1.72; color: rgba(255,255,255,.88); }

/* 17.2 卡片内「这意味着」提示条 */
.card-note {
  margin-top: 16px; padding: 12px 14px;
  border-left: 2px solid var(--primary); background: var(--grad-soft);
  border-radius: 0 6px 6px 0; font-size: 13px; line-height: 1.75; color: var(--text);
}
.card-note b { color: var(--primary-d); margin-right: 4px; }

/* 17.3 卡片底部解法链接 */
.card-link {
  display: inline-block; margin-top: 16px; font-size: 13px; font-weight: 600;
  color: var(--primary-d); text-decoration: none;
  border-bottom: 1px solid rgba(74,158,51,.35); padding-bottom: 2px;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.card-link:hover { color: var(--primary); border-color: var(--primary); }

/* 17.4 四种开始方式 · 档位卡 */
.tier { display: flex; flex-direction: column; }
.tier-badge {
  align-self: flex-start; font-size: 11.5px; font-weight: 700; letter-spacing: .12em;
  color: var(--primary-d); background: rgba(74,158,51,.09);
  border: 1px solid rgba(74,158,51,.22); border-radius: 999px;
  padding: 4px 12px; margin-bottom: 14px;
}
.tier h3 { font-size: 19px; margin-bottom: 10px; }
.tier p { font-size: 13.5px; line-height: 1.85; color: var(--muted); }
.tier .tier-for {
  color: var(--ink); font-weight: 500; padding-bottom: 12px; margin-bottom: 12px;
  border-bottom: 1px dashed var(--hair);
}
.tier-gain {
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--hair);
  font-size: 13px; color: var(--text);
}
.tier-gain b { color: var(--primary-d); margin-right: 4px; }

@media (max-width: 640px) {
  .hc-quiz { gap: 12px; }
  .hc-q p { font-size: 13.5px; }
  .tier-gain { margin-top: 16px; }
}