/* ==========================================================================
   BCFF / 潮汐货场 TIDAL FREIGHT · 03 pages
   内页：泊位档案头、长文、动态、时间线、开户与登录、联系、404
   ========================================================================== */

/* ---------- 内页头 ---------- */

.bc-phead {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 4vw, 50px) clamp(42px, 5vw, 72px);
  background: var(--bc-deep);
  color: var(--bc-paper);
}

.bc-phead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(201, 233, 225, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 233, 225, .05) 1px, transparent 1px),
    radial-gradient(640px 380px at 84% 0%, rgba(18, 160, 141, .24), transparent 68%);
  background-size: 64px 64px, 64px 64px, 100% 100%;
  pointer-events: none;
}

.bc-phead__crumb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 36px);
  font-family: var(--bc-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  color: rgba(242, 245, 243, .45);
}

.bc-phead__crumb a { color: rgba(201, 233, 225, .8); }
.bc-phead__crumb a:hover { color: var(--bc-orange); }
.bc-phead__crumb span::before { content: "/"; margin-right: 8px; color: rgba(242, 245, 243, .3); }
.bc-phead__crumb span { color: var(--bc-mint); }

.bc-phead__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, .68fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
}

.bc-phead__title {
  color: #fff;
  font-size: clamp(2.05rem, 4.4vw, 3.6rem);
  line-height: 1.08;
  margin-block: 14px 16px;
}

.bc-phead__title em {
  font-style: normal;
  color: var(--bc-orange);
}

.bc-phead__lead {
  max-width: 40em;
  font-size: clamp(.95rem, 1.2vw, 1.02rem);
  line-height: 1.9;
  color: rgba(242, 245, 243, .7);
}

.bc-phead__side {
  padding-left: clamp(16px, 2.4vw, 30px);
  border-left: 1px solid rgba(201, 233, 225, .22);
}

.bc-phead__side > p {
  font-family: var(--bc-mono);
  font-size: .58rem;
  letter-spacing: .18em;
  color: var(--bc-orange);
  margin-bottom: 12px;
}

.bc-phead__side dl {
  display: grid;
  gap: 9px;
}

.bc-phead__side dl > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(201, 233, 225, .16);
}

.bc-phead__side dt {
  font-family: var(--bc-mono);
  font-size: .6rem;
  letter-spacing: .1em;
  color: rgba(242, 245, 243, .45);
}

.bc-phead__side dd {
  font-family: var(--bc-mono);
  font-size: .72rem;
  color: var(--bc-mint);
  text-align: right;
}

/* ---------- 长文 ---------- */

.bc-article {
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--bc-pad);
}

.bc-article__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: var(--bc-bd) solid var(--bc-ink);
}

.bc-article__body {
  font-size: 1rem;
}

.bc-article__body > p { font-size: 1rem; line-height: 1.98; margin-bottom: 18px; }
.bc-article__body > p:first-of-type { font-size: 1.1rem; color: var(--bc-ink); }

.bc-article__body h2 {
  font-size: clamp(1.36rem, 2.4vw, 1.82rem);
  margin: 46px 0 16px;
  padding-top: 16px;
  border-top: var(--bc-bd) solid var(--bc-ink);
}

.bc-article__body h2::before {
  content: attr(data-no);
  display: inline-block;
  margin-right: 10px;
  font-family: var(--bc-mono);
  font-size: .66rem;
  letter-spacing: .1em;
  color: var(--bc-orange);
  vertical-align: 3px;
}

.bc-article__body h3 {
  font-size: 1.12rem;
  margin: 28px 0 10px;
  color: var(--bc-teal-2);
}

.bc-article__body ul,
.bc-article__body ol {
  margin: 0 0 20px;
  padding-left: 4px;
  display: grid;
  gap: 8px;
}

.bc-article__body ol { counter-reset: bca; }

.bc-article__body li {
  position: relative;
  padding-left: 26px;
  font-size: .95rem;
  line-height: 1.88;
  color: var(--bc-mid);
}

.bc-article__body ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .6em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--bc-teal);
  transform: rotate(45deg);
}

.bc-article__body ol li { counter-increment: bca; }
.bc-article__body ol li::before {
  content: counter(bca, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .05em;
  font-family: var(--bc-mono);
  font-size: .7rem;
  color: var(--bc-orange);
}

.bc-article__body table {
  margin: 0 0 22px;
  border: var(--bc-bd) solid var(--bc-ink);
  background: var(--bc-card);
  font-size: .86rem;
}

.bc-article__body caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 8px;
  font-family: var(--bc-mono);
  font-size: .6rem;
  letter-spacing: .12em;
  color: var(--bc-soft);
}

.bc-article__body th,
.bc-article__body td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--bc-line);
  vertical-align: top;
}

.bc-article__body thead th {
  background: var(--bc-deep);
  color: var(--bc-paper);
  font-family: var(--bc-mono);
  font-size: .62rem;
  font-weight: 400;
  letter-spacing: .1em;
}

.bc-article__body tbody tr:nth-child(even) { background: rgba(228, 236, 232, .4); }
.bc-article__body tbody th { font-weight: 700; white-space: nowrap; }

.bc-keybox {
  margin: 28px 0;
  padding: 22px 24px;
  border: var(--bc-bd) solid var(--bc-ink);
  background: var(--bc-mint-2);
}

.bc-keybox h3 {
  margin: 0 0 10px;
  font-size: .92rem;
  color: var(--bc-ink);
  letter-spacing: .02em;
}

.bc-keybox ul { margin: 0; }
.bc-keybox li { font-size: .88rem; }

.bc-article__foot {
  margin-top: 40px;
  padding-top: 22px;
  border-top: var(--bc-bd) solid var(--bc-ink);
  display: grid;
  gap: 16px;
}

.bc-related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.bc-related a {
  padding: 16px;
  background: var(--bc-card);
  border: 1px solid var(--bc-line-2);
  transition: border-color var(--bc-fast) var(--bc-ease), transform var(--bc-fast) var(--bc-ease);
}

.bc-related a:hover { border-color: var(--bc-ink); transform: translateY(-3px); }

.bc-related span {
  display: block;
  font-family: var(--bc-mono);
  font-size: .56rem;
  letter-spacing: .1em;
  color: var(--bc-teal-2);
  margin-bottom: 6px;
}

.bc-related strong { font-size: .92rem; line-height: 1.5; display: block; }

/* ---------- 动态列表 ---------- */

.bc-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(20px, 3.4vw, 40px);
  padding: clamp(22px, 3.2vw, 38px);
  background: var(--bc-card);
  border: var(--bc-bd) solid var(--bc-ink);
}

.bc-feature__tag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.bc-feature h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin-bottom: 12px; }
.bc-feature p { font-size: .92rem; line-height: 1.88; margin-bottom: 18px; }

.bc-feature__side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  padding-left: clamp(16px, 2.4vw, 28px);
  border-left: 1px solid var(--bc-line);
}

.bc-feature__facts {
  display: grid;
  gap: 10px;
}

.bc-feature__facts div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--bc-line-2);
  font-family: var(--bc-mono);
  font-size: .64rem;
  color: var(--bc-soft);
}

.bc-feature__facts b { color: var(--bc-ink); font-weight: 700; }

.bc-newlist { border-top: var(--bc-bd) solid var(--bc-ink); }

.bc-newlist a {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr) 108px;
  gap: clamp(10px, 2vw, 24px);
  align-items: center;
  padding: 18px 8px;
  border-bottom: 1px solid var(--bc-line);
  transition: background-color var(--bc-fast) var(--bc-ease), padding-left var(--bc-fast) var(--bc-ease);
}

.bc-newlist a:hover { background: var(--bc-card); padding-left: 16px; }

.bc-newlist time {
  font-family: var(--bc-mono);
  font-size: .64rem;
  letter-spacing: .06em;
  color: var(--bc-soft);
}

.bc-newlist strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 3px;
}

.bc-newlist p { font-size: .8rem; line-height: 1.65; margin: 0; }

.bc-newlist em {
  justify-self: end;
  padding: 3px 9px;
  border: 1px solid var(--bc-line-2);
  font-family: var(--bc-mono);
  font-style: normal;
  font-size: .56rem;
  letter-spacing: .08em;
  color: var(--bc-teal-2);
  white-space: nowrap;
}

/* ---------- 时间线 ---------- */

.bc-timeline {
  position: relative;
  margin-left: 6px;
  padding-left: 30px;
  border-left: var(--bc-bd) solid var(--bc-ink);
  display: grid;
  gap: 26px;
}

.bc-timeline li { position: relative; }

.bc-timeline li::before {
  content: "";
  position: absolute;
  left: -38px;
  top: .45em;
  width: 14px;
  height: 14px;
  background: var(--bc-orange);
  border: 2px solid var(--bc-paper);
}

.bc-timeline time {
  display: block;
  font-family: var(--bc-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--bc-teal-2);
  margin-bottom: 4px;
}

.bc-timeline strong { display: block; font-size: 1.02rem; margin-bottom: 4px; }
.bc-timeline p { font-size: .88rem; line-height: 1.8; }

/* ---------- 开户 / 登录 ---------- */

.bc-account {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--bc-gap);
  align-items: stretch;
}

.bc-account__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 34px);
  background: var(--bc-card);
  border: var(--bc-bd) solid var(--bc-ink);
}

.bc-account__panel--deep {
  background: var(--bc-deep);
  border-color: var(--bc-deep);
  color: var(--bc-paper);
}

.bc-account__panel--deep h3 { color: #fff; }
.bc-account__panel--deep p { color: rgba(242, 245, 243, .68); }
.bc-account__panel--deep .bc-list li { color: rgba(242, 245, 243, .7); }
.bc-account__panel--deep .bc-list li::before { border-color: var(--bc-orange); }

.bc-account__no {
  font-family: var(--bc-mono);
  font-size: .62rem;
  letter-spacing: .18em;
  color: var(--bc-orange);
  margin-bottom: 10px;
}

.bc-account__panel h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); margin-bottom: 8px; }

.bc-account__panel > p {
  font-size: .9rem;
  line-height: 1.85;
  margin-bottom: 16px;
}

.bc-account__panel .bc-btn { margin-top: auto; align-self: flex-start; }

.bc-steps {
  display: grid;
  gap: 0;
  border-top: var(--bc-bd) solid var(--bc-ink);
  counter-reset: bcs;
}

.bc-steps li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 170px;
  gap: clamp(10px, 2vw, 24px);
  align-items: start;
  padding: 18px 6px;
  border-bottom: 1px solid var(--bc-line);
}

.bc-steps li::before {
  counter-increment: bcs;
  content: "S" counter(bcs, decimal-leading-zero);
  font-family: var(--bc-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--bc-orange);
  padding-top: 2px;
}

.bc-steps h3 { font-size: 1rem; margin-bottom: 4px; }
.bc-steps p { font-size: .86rem; line-height: 1.75; }

.bc-steps em {
  justify-self: end;
  align-self: start;
  padding-top: 2px;
  font-family: var(--bc-mono);
  font-style: normal;
  font-size: .6rem;
  letter-spacing: .06em;
  color: var(--bc-soft);
  text-align: right;
}

/* ---------- 表单 ---------- */

.bc-form {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--bc-card);
  border: var(--bc-bd) solid var(--bc-ink);
}

.bc-form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.bc-field { display: grid; gap: 6px; }

.bc-field label {
  font-family: var(--bc-mono);
  font-size: .6rem;
  letter-spacing: .12em;
  color: var(--bc-mid);
}

.bc-field input,
.bc-field select,
.bc-field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--bc-line-2);
  background: var(--bc-paper);
  font-size: .92rem;
  border-radius: 0;
  transition: border-color var(--bc-fast) var(--bc-ease), background-color var(--bc-fast) var(--bc-ease);
}

.bc-field textarea { min-height: 118px; resize: vertical; }

.bc-field input:focus,
.bc-field select:focus,
.bc-field textarea:focus {
  outline: none;
  border-color: var(--bc-teal);
  background: #fff;
}

.bc-form__note {
  font-family: var(--bc-mono);
  font-size: .6rem;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--bc-soft);
}

/* ---------- 联系 ---------- */

.bc-contact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--bc-gap);
}

.bc-contact__card {
  padding: 24px;
  background: var(--bc-card);
  border: 1px solid var(--bc-line-2);
  transition: border-color var(--bc-fast) var(--bc-ease);
}

.bc-contact__card:hover { border-color: var(--bc-ink); }

.bc-contact__card h3 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 1.02rem;
  margin-bottom: 10px;
}

.bc-contact__card h3 span {
  font-family: var(--bc-mono);
  font-size: .56rem;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--bc-teal-2);
}

.bc-contact__card p { font-size: .87rem; line-height: 1.8; margin-bottom: 12px; }
.bc-contact__card a { font-family: var(--bc-mono); font-size: .78rem; color: var(--bc-ink); border-bottom: 1px solid var(--bc-teal); }
.bc-contact__card a:hover { color: var(--bc-teal-2); }

.bc-offices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--bc-gap);
}

.bc-office {
  padding-top: 16px;
  border-top: var(--bc-bd) solid var(--bc-ink);
}

.bc-office h3 { font-size: .98rem; margin-bottom: 6px; }

.bc-office p {
  font-family: var(--bc-mono);
  font-size: .68rem;
  line-height: 1.9;
  color: var(--bc-mid);
}

/* ---------- 404 ---------- */

.bc-404 {
  position: relative;
  overflow: hidden;
  background: var(--bc-deep);
  color: var(--bc-paper);
  padding-block: clamp(60px, 10vw, 120px);
}

.bc-404::before {
  content: "404";
  position: absolute;
  right: -2vw;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--bc-mono);
  font-size: clamp(12rem, 34vw, 30rem);
  font-weight: 700;
  line-height: .8;
  color: rgba(201, 233, 225, .05);
  pointer-events: none;
}

.bc-404__in { position: relative; max-width: 620px; }
.bc-404 h1 { color: #fff; margin-block: 16px 18px; }
.bc-404 p { color: rgba(242, 245, 243, .68); margin-bottom: 26px; }

.bc-404__acts { display: flex; flex-wrap: wrap; gap: 10px; }

.bc-404__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(201, 233, 225, .2);
  font-family: var(--bc-mono);
  font-size: .66rem;
  letter-spacing: .06em;
}

.bc-404__links a { color: var(--bc-mint); }
.bc-404__links a:hover { color: var(--bc-orange); }

/* ---------- 杂项版式 ---------- */

.bc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.bc-split--wide { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }

.bc-flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--bc-mono);
  font-size: .62rem;
  letter-spacing: .12em;
  color: var(--bc-teal-2);
}

.bc-flag::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--bc-orange);
}

.bc-bignum {
  font-family: var(--bc-mono);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--bc-teal);
}

.bc-bignum em { font-style: normal; font-size: .42em; color: var(--bc-soft); letter-spacing: 0; }

.bc-caption {
  font-family: var(--bc-mono);
  font-size: .62rem;
  letter-spacing: .06em;
  color: var(--bc-soft);
}

@media (max-width: 1024px) {
  .bc-phead__grid { grid-template-columns: 1fr; align-items: start; gap: 24px; }
  .bc-phead__side { padding-left: 0; border-left: 0; border-top: 1px solid rgba(201, 233, 225, .2); padding-top: 16px; }
  .bc-phead__side dl { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 24px; }
  .bc-split,
  .bc-split--wide { grid-template-columns: 1fr; }
  .bc-feature { grid-template-columns: 1fr; }
  .bc-feature__side { padding-left: 0; border-left: 0; border-top: 1px solid var(--bc-line); padding-top: 16px; flex-direction: row; flex-wrap: wrap; }
  .bc-offices { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .bc-account { grid-template-columns: 1fr; }
  .bc-contact { grid-template-columns: 1fr; }
  .bc-related { grid-template-columns: 1fr; }
  .bc-newlist a { grid-template-columns: 88px minmax(0, 1fr); }
  .bc-newlist em { display: none; }
  .bc-steps li { grid-template-columns: 58px minmax(0, 1fr); }
  .bc-steps em { grid-column: 2; justify-self: start; text-align: left; }
  .bc-form__row { grid-template-columns: 1fr; }
  .bc-phead__side dl { grid-template-columns: 1fr; }
  .bc-article { padding-inline: var(--bc-pad); }
}

@media (max-width: 620px) {
  .bc-article__body { font-size: .96rem; }
  .bc-article__body h2 { margin-top: 34px; }
  .bc-article__body table { font-size: .78rem; }
  .bc-article__body th,
  .bc-article__body td { padding: 9px 10px; }
  .bc-article__body tbody th { white-space: normal; }
  .bc-keybox { padding: 18px; }
  .bc-newlist p { display: none; }
  .bc-404__acts .bc-btn { width: 100%; justify-content: space-between; }
}