/* ==========================================================================
   公开站点版式（首页 / 价格 / 帮助）
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 40px;
}
.container-wide { max-width: 1480px; }

/* ---------- 站点导航 ---------- */
.site-hd {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--coal);
  border-bottom: 1px solid rgba(243, 241, 235, 0.1);
}
.site-hd .inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 66px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--bone);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand .mark {
  width: 26px;
  height: 26px;
  border-radius: var(--r-4);
  background: var(--bone);
  color: var(--coal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}
.brand small {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: rgba(243, 241, 235, 0.42);
  text-transform: uppercase;
  margin-left: 2px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  font-size: 13.5px;
  color: rgba(243, 241, 235, 0.66);
  transition: color 0.15s ease;
}
.site-nav a:hover, .site-nav a[data-on="true"] { color: var(--bone); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  background: var(--coal);
  color: var(--bone);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to right,
    rgba(243, 241, 235, 0.05) 0 1px,
    transparent 1px 110px
  );
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -40%;
  width: 1100px;
  height: 700px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(58, 94, 74, 0.35), transparent 66%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: 64px;
  align-items: center;
  padding: 86px 0 92px;
}
.hero-copy { max-width: 560px; }
.hero h1 {
  margin-top: 22px;
  color: var(--bone);
}
.hero h1 .dim { color: rgba(243, 241, 235, 0.4); }
.hero h1 em {
  font-style: normal;
  color: #fff;
  position: relative;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 0.04em;
  height: 2px;
  background: rgba(200, 183, 143, 0.7);
}
.hero p.lead {
  color: rgba(243, 241, 235, 0.62);
  max-width: 470px;
  margin-top: 24px;
}
.hero-cta { display: flex; align-items: center; gap: 12px; margin-top: 34px; }
.hero-meta {
  display: flex;
  gap: 0;
  margin-top: 46px;
  border-top: 1px solid rgba(243, 241, 235, 0.12);
  padding-top: 18px;
}
.hero-meta > div {
  padding-right: 30px;
  margin-right: 30px;
  border-right: 1px solid rgba(243, 241, 235, 0.12);
}
.hero-meta > div:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero-meta .v {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--bone);
}
.hero-meta .k {
  font-size: 11.5px;
  color: rgba(243, 241, 235, 0.42);
  margin-top: 1px;
}

/* 视觉：对比面板 */
.hero-visual { position: relative; }
.stage {
  position: relative;
  border: 1px solid var(--coal-line);
  border-radius: var(--r-14);
  background: var(--coal-2);
  padding: 10px;
  box-shadow: var(--sh-4);
}
.stage-hd {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 4px 10px;
  font-size: 11.5px;
  color: rgba(243, 241, 235, 0.5);
}
.stage-hd .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #6f9e7f;
  box-shadow: 0 0 0 3px rgba(111, 158, 127, 0.18);
}
.stage-hd .badge { margin-left: auto; }

/* 前后对比滑块 */
.ba {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-6);
  background: #0a0c0b;
  --x: 46%;
  cursor: ew-resize;
  touch-action: none;
  aspect-ratio: 4 / 3;
}
.ba > img, .ba > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ba .ba-top {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--x)) 0 0);
}
.ba .ba-top > img, .ba .ba-top > svg {
  width: 100%; height: 100%; object-fit: cover;
}
.ba-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--x);
  width: 1px;
  background: rgba(243, 241, 235, 0.85);
  box-shadow: 0 0 0 1px rgba(12, 14, 13, 0.25);
}
.ba-knob {
  position: absolute;
  top: 50%;
  left: var(--x);
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--bone);
  color: var(--coal);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sh-3);
  border: 1px solid rgba(12, 14, 13, 0.1);
}
.ba-knob svg { width: 15px; height: 15px; }
.ba-tag {
  position: absolute;
  top: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 4px 7px;
  border-radius: var(--r-2);
  background: rgba(12, 14, 13, 0.62);
  color: rgba(243, 241, 235, 0.86);
  backdrop-filter: blur(6px);
}
.ba-tag.l { left: 10px; }
.ba-tag.r { right: 10px; }

.stage-ft {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px 2px;
  font-size: 11.5px;
  color: rgba(243, 241, 235, 0.5);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.stage-ft .sep { color: rgba(243, 241, 235, 0.2); }

.float-card {
  position: absolute;
  right: -18px;
  bottom: -26px;
  width: 236px;
  padding: 13px 14px;
  border-radius: var(--r-10);
  background: rgba(20, 24, 22, 0.92);
  border: 1px solid var(--coal-line);
  box-shadow: var(--sh-4);
  backdrop-filter: blur(12px);
}
.float-card .k { font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(243, 241, 235, 0.4); font-family: var(--mono); }
.float-card .v { font-size: 19px; font-weight: 600; letter-spacing: -0.03em; margin-top: 3px; }
.float-card .v small { font-size: 11px; font-weight: 400; color: rgba(243, 241, 235, 0.45); }
.float-card .row { margin-top: 8px; }
.float-card .tiny { font-size: 11px; color: rgba(243, 241, 235, 0.45); }

/* 首页滚动示意条 */
.ticker {
  border-top: 1px solid rgba(243, 241, 235, 0.1);
  border-bottom: 1px solid rgba(243, 241, 235, 0.1);
  background: var(--coal-2);
}
.ticker .container {
  display: flex;
  align-items: center;
  gap: 0;
  height: 54px;
  overflow: hidden;
}
.ticker .tk-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(243, 241, 235, 0.36);
  padding-right: 26px;
  border-right: 1px solid rgba(243, 241, 235, 0.12);
  margin-right: 26px;
  white-space: nowrap;
}
.ticker .tk-list {
  display: flex;
  align-items: center;
  gap: 30px;
  white-space: nowrap;
  font-size: 12.5px;
  color: rgba(243, 241, 235, 0.55);
  min-width: 0;
  overflow: hidden;
}
.ticker .tk-list b { color: rgba(243, 241, 235, 0.88); font-weight: 500; }

/* ---------- 通用区块 ---------- */
.sec { padding: 104px 0; }
.sec-sm { padding: 64px 0; }
.sec-tight { padding: 76px 0; }
.sec-bone { background: var(--bone); }
.sec-white { background: var(--surface); }
.sec-dark { background: var(--coal); color: var(--bone); }
.sec-pine { background: var(--pine-700); color: var(--bone); }

.sec-hd {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 56px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 42px;
}
.sec-hd .t { max-width: 680px; }
.sec-hd h2 { margin-top: 12px; }
.sec-hd p { margin-top: 12px; color: var(--muted); max-width: 560px; }
.sec-dark .sec-hd, .sec-pine .sec-hd { border-color: rgba(243, 241, 235, 0.14); }
.sec-dark .sec-hd p, .sec-pine .sec-hd p { color: rgba(243, 241, 235, 0.55); }
.sec-dark .sec-hd .eyebrow, .sec-pine .sec-hd .eyebrow { color: rgba(243, 241, 235, 0.4); }

.aside-note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--faint);
  white-space: nowrap;
  padding-bottom: 3px;
}
.aside-note b { color: var(--ink); font-weight: 500; }
.sec-dark .aside-note, .sec-pine .aside-note { color: rgba(243, 241, 235, 0.4); }
.sec-dark .aside-note b, .sec-pine .aside-note b { color: var(--bone); }

/* ---------- 工具矩阵 ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.tool-col {
  border-right: 1px solid var(--line);
  padding: 0 24px;
}
.tool-col:first-child { padding-left: 0; }
.tool-col:last-child { border-right: 0; padding-right: 0; }
.tool-col-hd {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 22px 0 12px;
}
.tool-col-hd h3 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.tool-col-hd span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--faint);
}
.tool-row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 15px;
  align-items: center;
  gap: 8px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  transition: padding 0.18s ease, background 0.18s ease;
}
.tool-row:hover { background: var(--surface); padding-left: 10px; padding-right: 6px; }
.tool-row .id {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: 0.02em;
}
.tool-row .nm { display: block; font-size: 13.5px; font-weight: 500; }
.tool-row .ds { display: block; font-size: 11.5px; color: var(--faint); margin-top: 1px; line-height: 1.45; }
.tool-row .ar {
  color: var(--line-3);
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.18s ease;
}
.tool-row:hover .ar { opacity: 1; transform: none; color: var(--pine); }

/* ---------- 分栏特性 ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px;
  align-items: center;
}
.split-media {
  border: 1px solid var(--line);
  border-radius: var(--r-10);
  overflow: hidden;
  background: var(--surface);
}
.split-media .cap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 13px;
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: 0.04em;
}

/* 输入 / 输出 双联 */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 320px;
  background: var(--line);
  gap: 1px;
}
.duo-cell { overflow: hidden; background: var(--surface); position: relative; }
.duo-cell img { width: 100%; height: 100%; object-fit: cover; display: block; }
.duo-cell.ink { background: #fbfaf6; }
.duo-cell.ink img { object-fit: contain; }
.duo-cell .duo-lbl {
  position: absolute;
  left: 8px;
  bottom: 8px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  padding: 2px 5px;
}
.feat-list { display: flex; flex-direction: column; gap: 0; margin-top: 26px; }
.feat-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.feat-item .fi-n {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--faint);
  padding-top: 3px;
}
.feat-item h4 { font-size: 14px; font-weight: 600; }
.feat-item p { font-size: 12.5px; color: var(--muted); margin-top: 3px; line-height: 1.6; }

/* ---------- 账务口径块 ---------- */
.formula {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid rgba(243, 241, 235, 0.16);
  border-radius: var(--r-10);
  overflow: hidden;
  margin-top: 40px;
}
.formula > div {
  padding: 20px 18px;
  border-right: 1px solid rgba(243, 241, 235, 0.14);
  background: rgba(243, 241, 235, 0.02);
}
.formula > div:last-child { border-right: 0; background: rgba(200, 183, 143, 0.1); }
.formula .fk {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(243, 241, 235, 0.4);
}
.formula .fv {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.formula .fd { font-size: 11px; color: rgba(243, 241, 235, 0.42); margin-top: 2px; line-height: 1.5; }

.flow-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-10);
  overflow: hidden;
  margin-top: 32px;
}
.flow-cell {
  background: var(--surface);
  padding: 22px 20px 24px;
  position: relative;
}
.flow-cell .step {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--faint);
}
.flow-cell h4 { font-size: 14.5px; font-weight: 600; margin-top: 10px; }
.flow-cell p { font-size: 12.5px; color: var(--muted); margin-top: 5px; line-height: 1.6; }
.flow-cell .arrow {
  position: absolute;
  top: 22px;
  right: 16px;
  color: var(--line-2);
}

/* ---------- 企业横幅 ---------- */
.ent-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 56px;
  align-items: center;
  padding: 52px 48px;
  border-radius: var(--r-14);
  background: var(--pine-700);
  color: var(--bone);
  position: relative;
  overflow: hidden;
}
.ent-banner::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px solid rgba(243, 241, 235, 0.12);
  box-shadow: 0 0 0 60px rgba(243, 241, 235, 0.03),
    0 0 0 120px rgba(243, 241, 235, 0.025);
}
.ent-banner h2 { color: var(--bone); }
.ent-banner p { color: rgba(243, 241, 235, 0.6); margin-top: 12px; max-width: 520px; }
.ent-banner .kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(243, 241, 235, 0.14);
  border: 1px solid rgba(243, 241, 235, 0.14);
  border-radius: var(--r-10);
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.ent-banner .kpis > div { background: var(--pine-700); padding: 16px 16px 18px; }
.ent-banner .kpis .k { font-size: 11px; color: rgba(243, 241, 235, 0.45); }
.ent-banner .kpis .v { font-size: 22px; font-weight: 600; letter-spacing: -0.03em; margin-top: 4px; }

/* ---------- 页脚 ---------- */
.site-ft {
  background: var(--coal);
  color: rgba(243, 241, 235, 0.6);
  padding: 64px 0 28px;
  font-size: 12.5px;
}
.ft-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(243, 241, 235, 0.1);
}
.ft-grid h5 {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--mono);
  color: rgba(243, 241, 235, 0.36);
  margin-bottom: 12px;
  font-weight: 500;
}
.ft-grid li { padding: 4px 0; }
.ft-grid a:hover { color: var(--bone); }
.ft-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  font-size: 11.5px;
  color: rgba(243, 241, 235, 0.34);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

/* ---------- 价格页 ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-10);
  overflow: hidden;
}
.price-card {
  background: var(--surface);
  padding: 28px 26px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured { background: var(--coal); color: var(--bone); }
.price-card.featured .pc-desc, .price-card.featured .pc-feat li { color: rgba(243, 241, 235, 0.6); }
.price-card.featured .pc-price { color: var(--bone); }
.pc-hd { display: flex; align-items: center; justify-content: space-between; }
.pc-name { font-size: 14px; font-weight: 600; }
.pc-price { font-size: 38px; font-weight: 600; letter-spacing: -0.04em; margin-top: 18px; line-height: 1; }
.pc-price small { font-size: 12.5px; font-weight: 400; color: var(--faint); letter-spacing: 0; margin-left: 4px; }
.pc-desc { font-size: 12.5px; color: var(--muted); margin-top: 10px; line-height: 1.6; min-height: 40px; }
.pc-feat { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.price-card.featured .pc-feat { border-color: rgba(243, 241, 235, 0.14); }
.pc-feat li {
  display: flex;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink-2);
  padding: 5px 0;
  line-height: 1.55;
}
.pc-feat li svg { width: 13px; height: 13px; margin-top: 4px; flex: none; color: var(--pine); }
.price-card.featured .pc-feat li svg { color: #8fb79d; }
.pc-foot { margin-top: auto; padding-top: 22px; }

.compare th { padding: 0 16px 12px; }
.compare td { padding: 12px 16px; }
.compare tbody tr:hover td { background: transparent; }
.compare .group-row td {
  background: var(--surface-3);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-family: var(--mono);
  padding: 8px 16px;
}
.compare .yes { color: var(--pine); }
.compare .no { color: var(--line-3); }

/* ---------- 帮助中心 ---------- */
.help-layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
  padding: 48px 0 96px;
}
.help-nav { position: sticky; top: 90px; }
.help-nav .grp { margin-bottom: 26px; }
.help-nav .grp h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
}
.help-nav a {
  display: block;
  padding: 5px 0;
  font-size: 12.5px;
  color: var(--muted);
}
.help-nav a:hover, .help-nav a[data-on="true"] { color: var(--ink); }
.help-nav a[data-on="true"] { font-weight: 500; }
.doc-sec { margin-bottom: 56px; scroll-margin-top: 90px; }
.doc-sec h2 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.doc-sec > p { font-size: 13.5px; color: var(--muted); margin-top: 10px; max-width: 720px; line-height: 1.75; }
.doc-table { margin-top: 18px; border: 1px solid var(--line); border-radius: var(--r-10); overflow: hidden; }

.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 16px 0;
  text-align: left;
  font-size: 13.5px;
  font-weight: 500;
}
.faq-q svg { width: 14px; height: 14px; color: var(--faint); transition: transform 0.2s ease; flex: none; }
.faq-item[data-open="true"] .faq-q svg { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 0 18px; font-size: 12.5px; color: var(--muted); line-height: 1.75; max-width: 720px; }
.faq-item[data-open="true"] .faq-a { display: block; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; padding: 64px 0 72px; }
  .hero-copy { max-width: none; }
  .float-card { display: none; }
  .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-col:nth-child(2n) { border-right: 0; }
  .tool-col:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .tool-col:nth-child(3) { padding-left: 0; }
  .flow-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .formula { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .formula > div:nth-child(3) { border-right: 0; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .ent-banner { grid-template-columns: 1fr; }
  .ft-grid { grid-template-columns: 1fr 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .help-layout { grid-template-columns: 1fr; gap: 24px; }
  .help-nav { position: static; display: flex; flex-wrap: wrap; gap: 16px; }
}

@media (max-width: 760px) {
  .container { padding: 0 20px; }
  .site-nav { display: none; }
  .sec { padding: 64px 0; }
  .tools-grid { grid-template-columns: 1fr; }
  .tool-col { border-right: 0; padding: 0; }
  .tool-col:nth-child(3) { grid-column: auto; }
  .sec-hd { flex-direction: column; align-items: flex-start; gap: 16px; }
  .flow-row { grid-template-columns: 1fr; }
  .formula { grid-template-columns: 1fr 1fr; }
  .hero-meta { flex-wrap: wrap; gap: 16px; }
  .hero-meta > div { border-right: 0; margin-right: 0; padding-right: 0; }
  .ft-grid { grid-template-columns: 1fr 1fr; }
  .ent-banner { padding: 32px 24px; }
}